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-rw-r--r--chapter18/src/main/java/com/seaofnodes/simple/CodeGen.java35
-rw-r--r--chapter18/src/main/java/com/seaofnodes/simple/GlobalCodeMotion.java4
-rw-r--r--chapter18/src/main/java/com/seaofnodes/simple/IRPrinter.java62
-rw-r--r--chapter18/src/main/java/com/seaofnodes/simple/IterPeeps.java1
-rw-r--r--chapter18/src/main/java/com/seaofnodes/simple/ListScheduler.java110
-rw-r--r--chapter18/src/main/java/com/seaofnodes/simple/Parser.java104
-rw-r--r--chapter18/src/main/java/com/seaofnodes/simple/node/CFGNode.java14
-rw-r--r--chapter18/src/main/java/com/seaofnodes/simple/node/CallNode.java6
-rw-r--r--chapter18/src/main/java/com/seaofnodes/simple/node/ConstantNode.java9
-rw-r--r--chapter18/src/main/java/com/seaofnodes/simple/node/CtrlNode.java14
-rw-r--r--chapter18/src/main/java/com/seaofnodes/simple/node/FunNode.java36
-rw-r--r--chapter18/src/main/java/com/seaofnodes/simple/node/IfNode.java3
-rw-r--r--chapter18/src/main/java/com/seaofnodes/simple/node/LoopNode.java18
-rw-r--r--chapter18/src/main/java/com/seaofnodes/simple/node/Node.java5
-rw-r--r--chapter18/src/main/java/com/seaofnodes/simple/node/ParmNode.java4
-rw-r--r--chapter18/src/main/java/com/seaofnodes/simple/node/PhiNode.java10
-rw-r--r--chapter18/src/main/java/com/seaofnodes/simple/node/ReturnNode.java12
-rw-r--r--chapter18/src/main/java/com/seaofnodes/simple/node/ScopeMinNode.java42
-rw-r--r--chapter18/src/main/java/com/seaofnodes/simple/node/ScopeNode.java8
-rw-r--r--chapter18/src/main/java/com/seaofnodes/simple/node/StartNode.java14
-rw-r--r--chapter18/src/main/java/com/seaofnodes/simple/node/StopNode.java14
-rw-r--r--chapter18/src/main/java/com/seaofnodes/simple/node/SubFNode.java2
-rw-r--r--chapter18/src/main/java/com/seaofnodes/simple/node/XCtrlNode.java4
-rw-r--r--chapter18/src/test/java/com/seaofnodes/simple/BrainFuckTest.java6
-rw-r--r--chapter18/src/test/java/com/seaofnodes/simple/Chapter01Test.java8
-rw-r--r--chapter18/src/test/java/com/seaofnodes/simple/Chapter02Test.java26
-rw-r--r--chapter18/src/test/java/com/seaofnodes/simple/Chapter03Test.java20
-rw-r--r--chapter18/src/test/java/com/seaofnodes/simple/Chapter04Test.java66
-rw-r--r--chapter18/src/test/java/com/seaofnodes/simple/Chapter05Test.java18
-rw-r--r--chapter18/src/test/java/com/seaofnodes/simple/Chapter06Test.java47
-rw-r--r--chapter18/src/test/java/com/seaofnodes/simple/Chapter07Test.java48
-rw-r--r--chapter18/src/test/java/com/seaofnodes/simple/Chapter08Test.java43
-rw-r--r--chapter18/src/test/java/com/seaofnodes/simple/Chapter09Test.java58
-rw-r--r--chapter18/src/test/java/com/seaofnodes/simple/Chapter10Test.java36
-rw-r--r--chapter18/src/test/java/com/seaofnodes/simple/Chapter11Test.java47
-rw-r--r--chapter18/src/test/java/com/seaofnodes/simple/Chapter12Test.java18
-rw-r--r--chapter18/src/test/java/com/seaofnodes/simple/Chapter13Test.java21
-rw-r--r--chapter18/src/test/java/com/seaofnodes/simple/Chapter14Test.java57
-rw-r--r--chapter18/src/test/java/com/seaofnodes/simple/Chapter15Test.java75
-rw-r--r--chapter18/src/test/java/com/seaofnodes/simple/Chapter16Test.java60
-rw-r--r--chapter18/src/test/java/com/seaofnodes/simple/Chapter17Test.java169
-rw-r--r--chapter18/src/test/java/com/seaofnodes/simple/Chapter18Test.java16
-rw-r--r--chapter18/src/test/java/com/seaofnodes/simple/Eval2.java244
-rw-r--r--chapter18/src/test/java/com/seaofnodes/simple/evaluator/Evaluator.java11
-rw-r--r--chapter18/src/test/java/com/seaofnodes/simple/evaluator/Scheduler.java47
-rw-r--r--chapter18/src/test/java/com/seaofnodes/simple/fuzzer/FuzzerUtils.java6
46 files changed, 1066 insertions, 612 deletions
diff --git a/chapter18/src/main/java/com/seaofnodes/simple/CodeGen.java b/chapter18/src/main/java/com/seaofnodes/simple/CodeGen.java
index 184b6f9c..79d817f8 100644
--- a/chapter18/src/main/java/com/seaofnodes/simple/CodeGen.java
+++ b/chapter18/src/main/java/com/seaofnodes/simple/CodeGen.java
@@ -1,14 +1,13 @@
package com.seaofnodes.simple;
-import com.seaofnodes.simple.Parser;
import com.seaofnodes.simple.node.*;
import com.seaofnodes.simple.type.*;
-import java.util.*;
+import java.util.HashMap;
public class CodeGen {
public enum Phase {
- Parse, Opto, TypeCheck, Schedule, RegAlloc;
+ Parse, Opto, TypeCheck, Schedule, LocalSched, RegAlloc;
}
public Phase _phase;
@@ -20,6 +19,11 @@ public class CodeGen {
public StartNode _start;
public StopNode _stop ;
+
+ // "Linker" mapping from constant TypeFunPtrs to heads of function
+ public final HashMap<TypeFunPtr,FunNode> _linker = new HashMap<>();
+
+
// Last created CodeGen as a global, for easier debugging prints
public static CodeGen CODE;
@@ -30,6 +34,8 @@ public class CodeGen {
public CodeGen parse(boolean disable) {
assert _phase == null;
_phase = Phase.Parse;
+ _linker.clear();
+
P = new Parser(_src,_arg);
Node._disablePeephole = disable;
_stop = P.parse();
@@ -51,7 +57,7 @@ public class CodeGen {
}
public CodeGen typeCheck() {
- assert _phase == Phase.Opto;
+ assert _phase == Phase.Opto || _phase == Phase.Parse;
_phase = Phase.TypeCheck;
// Type check
@@ -62,8 +68,8 @@ public class CodeGen {
}
- public CodeGen codegen() { return codegen(false); }
- public CodeGen codegen(boolean show) {
+ public CodeGen GCM() { return GCM(false); }
+ public CodeGen GCM( boolean show) {
assert _phase == Phase.TypeCheck;
_phase = Phase.Schedule;
@@ -74,14 +80,23 @@ public class CodeGen {
// TODO:
// loop unroll, peel, RCE, etc
-
GlobalCodeMotion.buildCFG(_start,_stop);
-
- _phase = Phase.RegAlloc;
-
return this;
}
+ public CodeGen localSched() {
+ assert _phase == Phase.Schedule;
+ _phase = Phase.LocalSched;
+ ListScheduler.sched(this);
+ return this;
+ }
+
+
+ // Testing shortcuts
+ Node ctrl() { return _stop.ret().ctrl(); }
+ Node expr() { return _stop.ret().expr(); }
+ String print() { return _stop.print(); }
+
// Debugging helper
@Override public String toString() {
return _stop.p(9999);
diff --git a/chapter18/src/main/java/com/seaofnodes/simple/GlobalCodeMotion.java b/chapter18/src/main/java/com/seaofnodes/simple/GlobalCodeMotion.java
index 7ce12091..6b0956ca 100644
--- a/chapter18/src/main/java/com/seaofnodes/simple/GlobalCodeMotion.java
+++ b/chapter18/src/main/java/com/seaofnodes/simple/GlobalCodeMotion.java
@@ -54,7 +54,7 @@ public abstract class GlobalCodeMotion {
visit.set(n._nid);
// Schedule not-pinned not-CFG inputs before self. Since skipping
// Pinned, this never walks the backedge of Phis (and thus spins around
- // a data-only loop, eventually attempting relying on some pre-visited-
+ // a data-only loop), eventually attempting relying on some pre-visited-
// not-post-visited data op with no scheduled control.
for( Node def : n._inputs )
if( def!=null && !(def instanceof PhiNode) )
@@ -65,7 +65,7 @@ public abstract class GlobalCodeMotion {
CFGNode early = Parser.START; // Maximally early, lowest idepth
if( n.in(0) instanceof CFGNode cfg ) early = cfg;
for( int i=1; i<n.nIns(); i++ )
- if( n.in(i).cfg0().idepth() > early.idepth() )
+ if( n.in(i)!=null && n.in(i).cfg0().idepth() > early.idepth() )
early = n.in(i).cfg0(); // Latest/deepest input
n.setDef(0,early); // First place this can go
}
diff --git a/chapter18/src/main/java/com/seaofnodes/simple/IRPrinter.java b/chapter18/src/main/java/com/seaofnodes/simple/IRPrinter.java
index 4f422a25..adf67d8b 100644
--- a/chapter18/src/main/java/com/seaofnodes/simple/IRPrinter.java
+++ b/chapter18/src/main/java/com/seaofnodes/simple/IRPrinter.java
@@ -1,7 +1,6 @@
package com.seaofnodes.simple;
import com.seaofnodes.simple.node.*;
-import java.lang.StringBuilder;
import java.util.ArrayList;
import java.util.BitSet;
import java.util.HashMap;
@@ -11,33 +10,31 @@ public class IRPrinter {
// Print a node on 1 line, columnar aligned, as:
// NNID NNAME DDEF DDEF [[ UUSE UUSE ]] TYPE
// 1234 sssss 1234 1234 1234 1234 1234 1234 tttttt
- public static void printLine( Node n, StringBuilder sb ) {
- sb.append("%4d %-7.7s ".formatted(n._nid,n.label()));
- if( n._inputs==null ) {
- sb.append("DEAD\n");
- return;
- }
+ public static SB printLine( Node n, SB sb ) {
+ sb.p("%4d %-7.7s ".formatted(n._nid,n.label()));
+ if( n._inputs==null )
+ return sb.p("DEAD\n");
for( Node def : n._inputs )
- sb.append(def==null ? "____" : "%4d".formatted(def._nid))
+ sb.p(def==null ? "____" : "%4d".formatted(def._nid))
// Lazy Phi indicator
- .append(n instanceof ScopeMinNode && def instanceof ScopeMinNode ? "^" : " ");
+ .p(n instanceof ScopeMinNode && def instanceof ScopeMinNode ? "^" : " ");
for( int i = n._inputs.size(); i<4; i++ )
- sb.append(" ");
- sb.append(" [[ ");
+ sb.p(" ");
+ sb.p(" [[ ");
for( Node use : n._outputs )
- sb.append(use==null ? "____ " : "%4d ".formatted(use._nid));
+ sb.p(use==null ? "____ " : "%4d ".formatted(use._nid));
int lim = 6 - Math.max(n._inputs.size(),4);
for( int i = n._outputs.size(); i<lim; i++ )
- sb.append(" ");
- sb.append(" ]] ");
- if( n._type!= null ) sb.append(n._type.str());
- sb.append("\n");
+ sb.p(" ");
+ sb.p(" ]] ");
+ if( n._type!= null ) sb.p(n._type.str());
+ return sb.p("\n");
}
- private static StringBuilder nodeId(StringBuilder sb, Node n) {
- sb.append("%%%d".formatted(n._nid));
+ private static SB nodeId(SB sb, Node n) {
+ sb.p("%%%d".formatted(n._nid));
if (n instanceof ProjNode proj) {
- sb.append(".").append(proj._idx);
+ sb.p(".").p(proj._idx);
}
return sb;
}
@@ -58,19 +55,19 @@ public class IRPrinter {
for( int i=bfs._lim; i< bfs._bfs.size(); i++ )
postOrd( bfs._bfs.get(i), null, rpos, visit, bfs._bs);
// Reverse the post-order walk
- StringBuilder sb = new StringBuilder();
+ SB sb = new SB();
boolean gap=false;
for( int i=rpos.size()-1; i>=0; i-- ) {
Node n = rpos.get(i);
if( n instanceof CFGNode || n.isMultiHead() ) {
- if( !gap ) sb.append("\n"); // Blank before multihead
+ if( !gap ) sb.p("\n"); // Blank before multihead
printLine( n, sb ); // Print head
while( --i >= 0 ) {
Node t = rpos.get(i);
if( !t.isMultiTail() ) { i++; break; }
printLine( t, sb );
}
- sb.append("\n"); // Blank after multitail
+ sb.p("\n"); // Blank after multitail
gap = true;
} else {
printLine( n, sb );
@@ -180,7 +177,7 @@ public class IRPrinter {
}
}
// Print by block with least idepth
- StringBuilder sb = new StringBuilder();
+ SB sb = new SB();
Ary<Node> bns = new Ary<>(Node.class);
while( !ds.isEmpty() ) {
CFGNode blk = null;
@@ -193,16 +190,15 @@ public class IRPrinter {
ns.remove(blk);
// Print block header
- sb.append("%-13.13s".formatted(label(blk)+":"));
- sb.append( " ".repeat(4) ).append(" [[ ");
+ sb.p("%-13.13s".formatted(label(blk)+":"));
+ sb.p( " ".repeat(4) ).p(" [[ ");
if( blk instanceof StartNode ) ;
else if( blk instanceof RegionNode || blk instanceof StopNode )
for( int i=(blk instanceof StopNode ? 3 : 1); i<blk.nIns(); i++ )
label(sb,blk.cfg(i));
else
label(sb,blk.cfg(0));
- sb.append(" ]] \n");
- sb.append(d);
+ sb.p(" ]] \n");
printLine(blk,sb);
// Collect block contents that are in the depth limit
@@ -234,20 +230,21 @@ public class IRPrinter {
}
}
}
- sb.append("\n");
+ sb.p("\n");
}
return sb.toString();
}
private static void _walk( HashMap<Integer,Integer> ds, ArrayList<Node> ns, Node node, int d ) {
Integer nd = ds.get(node._nid);
- if( nd!=null && d >= nd ) return; // Been there, done that
+ if( nd!=null && d <= nd ) return; // Been there, done that
Integer old = ds.put(node._nid,d) ;
if( old == null )
ns.add(node);
if( d == 0 ) return; // Depth cutoff
for( Node def : node._inputs )
if( def != null &&
+ !(node instanceof LoopNode loop && loop.back()==def) &&
// Don't walk into or out of functions
!(node instanceof CallEndNode && def instanceof ReturnNode) &&
!(node instanceof FunNode && def instanceof CallNode) )
@@ -258,12 +255,11 @@ public class IRPrinter {
if( blk instanceof StartNode ) return "START";
return (blk instanceof LoopNode ? "LOOP" : "L")+blk._nid;
}
- static void label( StringBuilder sb, CFGNode blk ) {
+ static void label( SB sb, CFGNode blk ) {
if( !blk.blockHead() ) blk = blk.cfg(0);
- sb.append( "%-9.9s ".formatted( label( blk ) ) );
+ sb.p( "%-9.9s ".formatted( label( blk ) ) );
}
- static void printLine( Node n, StringBuilder sb, Ary<Node> bns, int i, HashMap<Integer,Integer> ds, ArrayList<Node> ns ) {
- sb.append(ds.get(n._nid));
+ static void printLine( Node n, SB sb, Ary<Node> bns, int i, HashMap<Integer,Integer> ds, ArrayList<Node> ns ) {
printLine( n, sb );
if( i != -1 ) bns.del(i);
ds.remove(n._nid);
diff --git a/chapter18/src/main/java/com/seaofnodes/simple/IterPeeps.java b/chapter18/src/main/java/com/seaofnodes/simple/IterPeeps.java
index a321b13e..998bd4f0 100644
--- a/chapter18/src/main/java/com/seaofnodes/simple/IterPeeps.java
+++ b/chapter18/src/main/java/com/seaofnodes/simple/IterPeeps.java
@@ -182,6 +182,7 @@ public abstract class IterPeeps {
* True if Node is on the WorkList
*/
boolean on( E x ) { return _on.get(x._nid); }
+ boolean isEmpty() { return _len==0; }
/**
* Removes a random Node from the WorkList; null if WorkList is empty
diff --git a/chapter18/src/main/java/com/seaofnodes/simple/ListScheduler.java b/chapter18/src/main/java/com/seaofnodes/simple/ListScheduler.java
new file mode 100644
index 00000000..252a8f8e
--- /dev/null
+++ b/chapter18/src/main/java/com/seaofnodes/simple/ListScheduler.java
@@ -0,0 +1,110 @@
+ package com.seaofnodes.simple;
+
+import com.seaofnodes.simple.IterPeeps.WorkList;
+import com.seaofnodes.simple.node.*;
+import com.seaofnodes.simple.type.*;
+import java.util.*;
+
+public abstract class ListScheduler {
+
+ private static final BitSet VISIT = new BitSet();
+ private static int[] BCNTS;
+ public static void sched( CodeGen code ) {
+ assert VISIT.isEmpty();
+ BCNTS = new int[Node.UID()];
+ walk(code._start,VISIT);
+ VISIT.clear();
+ }
+
+ // Visit all CFG nodes
+ static void walk( CFGNode cfg, BitSet visit ) {
+ if( visit.get(cfg._nid) ) return;
+ visit.set(cfg._nid);
+ local(cfg);
+ for( Node n : cfg._outputs )
+ if( n instanceof CFGNode c )
+ walk(c,visit);
+ }
+
+ // Local schedule this one CFG
+ static void local( CFGNode bb ) {
+ if( !bb.blockHead() || bb instanceof StopNode ) return;
+ Node[] uses = bb._outputs._es;
+ int ulen = bb._outputs._len;
+
+ // Count block-locals
+ for( int i=0; i<ulen; i++ ) {
+ Node use = uses[i];
+ if( use.in(0)==bb && !(use instanceof PhiNode) ) {
+ // Normal basic block member: in(0)==bb and not a Phi
+ for( Node def : use._inputs )
+ // Has defs from same block? Then block-local inputs
+ if( def != null && def.cfg0()==bb ) // Same block?
+ BCNTS[use._nid]++; // Raise block-local input count
+ }
+ }
+
+ // Nodes are ready if they are not used by other nodes in this block.
+ // Move ready up front. We will never look at remaining nodes, later
+ // nodes are found by looking at users of ready nodes.
+ int ready = 0;
+ for( int i=0; i<ulen; i++ )
+ if( BCNTS[uses[i]._nid]==0 ) // No block-local inputs?
+ uses[ready++] = uses[i]; // Move into ready set
+ assert ready > 0;
+
+ // Classic list scheduler. Behind sched is scheduled. Between sched
+ // and ready have zero counts and are ready to schedule. Ahead of
+ // ready is undefined.
+ //
+ // As nodes are scheduled, the nodes they use decrement their _bcnt. Once
+ // that gets to 0, all the nodes using it are scheduled, so it's ready.
+ int sched = 0;
+ while( sched < ulen ) {
+ assert sched < ready : "Scheduling nodes that are not ready. Probably due to duplicate nodes in the user list.";
+ int pick = best(uses, sched,ready); // Pick best
+ Node best = uses[pick]; // Swap best to head of ready
+ uses[pick] = uses[sched];
+ uses[sched++] = best; // And move it into the scheduled set
+ // Lower ready count of users
+ for( Node use : best._outputs )
+ if( use instanceof ProjNode ) {
+ for( Node useuse : use._outputs )
+ ready = ready(bb,useuse,ready);
+ } else
+ ready = ready(bb, use,ready);
+ }
+ }
+
+ private static int ready(CFGNode bb, Node use, int ready) {
+ if( use != null && use.in(0)==bb && !(use instanceof PhiNode) ) {
+ assert BCNTS[use._nid] >= 1;
+ if( --BCNTS[use._nid] == 0 )
+ bb._outputs._es[ready++] = use; // Became ready, move into ready set
+ }
+ return ready;
+ }
+
+
+ // Pick best between sched and ready.
+ private static int best( Node[] uses, int sched, int ready ) {
+ int pick = sched;
+ int score = score(uses[pick]);
+ for( int i=sched+1; i<ready; i++ ) {
+ int nscore = score(uses[i]);
+ if( nscore > score )
+ { score = nscore; pick = i; }
+ }
+ return pick;
+ }
+
+ // Highest score wins. Max at 1000, min at 10, except specials.
+ private static int score( Node n ) {
+ if( n.isMultiTail() ) return 1001; // Pinned just behind the multi-head
+ if( n instanceof CFGNode ) return n instanceof ReturnNode ? 2 : 1; // Pinned at block exit
+
+ // Nothing special
+ return 500;
+ }
+
+}
diff --git a/chapter18/src/main/java/com/seaofnodes/simple/Parser.java b/chapter18/src/main/java/com/seaofnodes/simple/Parser.java
index f6bf71a9..ac497fe8 100644
--- a/chapter18/src/main/java/com/seaofnodes/simple/Parser.java
+++ b/chapter18/src/main/java/com/seaofnodes/simple/Parser.java
@@ -98,16 +98,12 @@ public class Parser {
// Mapping from a type name to the constructor for a Type.
public final HashMap<String, StructNode> INITS;
- // "Linker" mapping from constant TypeFunPtrs to heads of function
- public static final HashMap<TypeFunPtr,FunNode> LINKER = new HashMap<>();
-
public Parser(String source) { this(source, TypeInteger.BOT); }
public Parser(String source, TypeInteger arg) {
Node.reset();
IterPeeps.reset();
- LINKER.clear();
_lexer = new Lexer(source);
_scope = new ScopeNode();
_continueScope = _breakScope = null;
@@ -154,38 +150,38 @@ public class Parser {
public StopNode parse() { return parse(false); }
public StopNode parse(boolean show) {
_xScopes.push(_scope);
- // Enter a new scope for the initial control and arguments
- _scope.push();
- Node ctrl = new CProjNode(START, 0, ScopeNode.CTRL).peephole();
- Node pmem = new ProjNode(START, 1, ScopeNode.MEM0).peephole();
- Node arg = new ProjNode(START, 2, ScopeNode.ARG0).peephole();
- ScopeMinNode mem = new ScopeMinNode();
- mem.addDef(null);
- mem.addDef(pmem);
- _scope.define(ScopeNode.CTRL, Type.CONTROL , false, ctrl);
- _scope.define(ScopeNode.MEM0, TypeMem.BOT , false, mem );
- _scope.define(ScopeNode.ARG0, TypeInteger.BOT, false, arg );
-
- // Call main
- CallNode main = (CallNode)new CallNode(ctrl,pmem,arg,con(TypeFunPtr.MAIN)).peephole();
- // Call End
- CallEndNode cend = (CallEndNode)new CallEndNode(main).peephole();
- STOP.addDef(new CProjNode(cend,0,ScopeNode.CTRL).peephole());
- STOP.addDef(new ProjNode(cend,1,ScopeNode.MEM0).peephole());
- STOP.addDef(new ProjNode(cend,2,ScopeNode.ARG0).peephole());
+ //// Enter a new scope for the initial control and arguments
+ //_scope.push();
+ //Node ctrl = new CProjNode(START, 0, ScopeNode.CTRL).peephole();
+ //Node pmem = new ProjNode(START, 1, ScopeNode.MEM0).peephole();
+ //Node arg = new ProjNode(START, 2, ScopeNode.ARG0).peephole();
+ //ScopeMinNode mem = new ScopeMinNode();
+ //mem.addDef(null);
+ //mem.addDef(pmem);
+ _scope.define(ScopeNode.CTRL, Type.CONTROL , false, null);
+ _scope.define(ScopeNode.MEM0, TypeMem.BOT , false, null);
+ _scope.define(ScopeNode.ARG0, TypeInteger.BOT, false, null);
+ //
+ //// Call main
+ //CallNode main = (CallNode)new CallNode(ctrl,pmem,arg,con(TypeFunPtr.MAIN)).peephole();
+ //// Call End
+ //CallEndNode cend = (CallEndNode)new CallEndNode(main).peephole();
+ //STOP.addDef(new CProjNode(cend,0,ScopeNode.CTRL).peephole());
+ //STOP.addDef(new ProjNode(cend,1,ScopeNode.MEM0).peephole());
+ //STOP.addDef(new ProjNode(cend,2,ScopeNode.ARG0).peephole());
// Parse whole program, as-if function header "{ int arg -> body }"
ReturnNode ret = parseFunctionBody("main",TypeFunPtr.MAIN,"arg");
- LINKER.put(TypeFunPtr.MAIN,ret.fun());
- main.peephole();
- if( cend.peephole() != null )
- IterPeeps.addAll(cend._outputs);
+ CodeGen.CODE._linker.put(TypeFunPtr.MAIN,ret.fun());
+ //main.peephole();
+ //if( cend.peephole() != null )
+ // IterPeeps.addAll(cend._outputs);
if( !_lexer.isEOF() ) throw _errorSyntax("unexpected");
// Clean up and reset
- _scope.kill();
_xScopes.pop();
+ _scope.kill();
for( StructNode init : INITS.values() )
init.unkeep().kill();
INITS.clear();
@@ -208,6 +204,7 @@ public class Parser {
PhiNode rmem = new PhiNode(ScopeNode.MEM0,TypeMem.BOT,r,null);
PhiNode rrez = new PhiNode(ScopeNode.ARG0,Type.BOTTOM,r,null);
ReturnNode ret = new ReturnNode(r, rmem, rrez, fun);
+ fun.setRet(ret);
assert ret.inProgress();
STOP.addDef(ret);
@@ -217,10 +214,9 @@ public class Parser {
_scope.push();
ctrl(fun); // Scope control from function
// Private mem alias tracking per function
- ScopeMinNode startMem = _scope.mem();
- ScopeMinNode mem = new ScopeMinNode();
+ ScopeMinNode mem = new ScopeMinNode(true);
mem.addDef(null); // Alias#0
- mem.addDef(new ParmNode(ScopeNode.MEM0,1,TypeMem.BOT,fun,startMem).peephole()); // All aliases
+ mem.addDef(new ParmNode(ScopeNode.MEM0,1,TypeMem.BOT,fun,con(TypeMem.BOT)).peephole()); // All aliases
_scope.mem(mem);
// All args, "as-if" called externally
for( int i=0; i<ids.length; i++ ) {
@@ -236,7 +232,7 @@ public class Parser {
// Last expression is the return
if( ctrl()._type==Type.CONTROL )
- STOP.addReturn(ctrl(), _scope.mem(), last, fun);
+ STOP.addReturn(ctrl(), _scope.mem().merge(), last, fun);
// Function scope ends
_scope.pop();
@@ -581,7 +577,9 @@ public class Parser {
*/
private Node parseReturn() {
var expr = require(parseAsgn(), ";");
- STOP.addReturn(ctrl(), _scope.mem(), expr, _fun);
+ // Need default memory, since it can be lazy, need to force
+ // a non-lazy Phi
+ STOP.addReturn(ctrl(), _scope.mem().merge(), expr, _fun);
ctrl(XCTRL); // Kill control
return expr;
}
@@ -1043,26 +1041,36 @@ public class Parser {
// Check for assign-update, x += e0;
char ch = _lexer.matchOperAssign();
if( ch==0 ) return rvalue;
+
+ // the rvalue is an l-value now; it will be updated
+ Node lhs = rvalue.keep();
if( n._final )
throw error("Cannot reassign final '"+n._name+"'");
+ // RHS of the update
+ Node rhs =
+ (byte)ch == 1 ? con( 1) : // var++
+ (byte)ch == -1 ? con(-1) : // var--
+ parseAsgn(); // var op= rhs
+ // Widen RHS int to a RHS float
+ rhs = widenInt(rhs,n.type());
+ // Complain a RHS float into a LHS int
+ if( !rhs._type.isa(n.type()) )
+ throw error("Type " + rhs._type.str() + " is not of declared type " + n.type().str());
+
Node op = switch(ch) {
- case '+' -> new AddNode(rvalue,null);
- case '-' -> new SubNode(rvalue,null);
- case '*' -> new MulNode(rvalue,null);
- case '/' -> new DivNode(rvalue,null);
- case 1 -> new AddNode(rvalue,con( 1));
- case (char)-1 -> new AddNode(rvalue,con(-1));
- default -> throw Utils.TODO();
+ case 1, (char)-1,
+ '+' -> new AddNode(lhs,rhs);
+ case '-' -> new SubNode(lhs,rhs);
+ case '*' -> new MulNode(lhs,rhs);
+ case '/' -> new DivNode(lhs,rhs);
+ default -> throw Utils.TODO();
};
- // Return pre-value (x+=1) or post-value (x++)
- boolean pre = op.in(2)==null;
- // Parse RHS argument as needed
- if( pre )
- { op.keep().setDef(2,parseAsgn()); op.unkeep(); }
- else rvalue.keep(); // Keep post-value across peeps
- op = zsMask(peep(op),n.type());
+
+ op = zsMask(peep(op.widen()),n.type());
_scope.update(n,op);
- return pre ? op : rvalue.unkeep();
+ // Return pre-value (x+=1) or post-value (x++)
+ lhs.unkeep();
+ return (byte)ch== 1 || (byte)ch== -1 ? lhs : op;
}
ScopeMinNode.Var requireLookupId(String msg) {
diff --git a/chapter18/src/main/java/com/seaofnodes/simple/node/CFGNode.java b/chapter18/src/main/java/com/seaofnodes/simple/node/CFGNode.java
index bed4eb17..bacc1935 100644
--- a/chapter18/src/main/java/com/seaofnodes/simple/node/CFGNode.java
+++ b/chapter18/src/main/java/com/seaofnodes/simple/node/CFGNode.java
@@ -28,6 +28,17 @@ public abstract class CFGNode extends Node {
// Block head is Start, Region, CProj, but not e.g. If, Return, Stop
public boolean blockHead() { return false; }
+ // Get the one control following; error to call with more than one e.g. an
+ // IfNode or other multi-way branch.
+ public CFGNode uctrl() {
+ CFGNode c = null;
+ for( Node n : _outputs )
+ if( n instanceof CFGNode cfg )
+ { assert c==null; c = cfg; }
+ return c;
+ }
+
+
// ------------------------------------------------------------------------
/**
* Immediate dominator tree depth, used to approximate a real IDOM during
@@ -90,13 +101,14 @@ public abstract class CFGNode extends Node {
_pre = pre++;
// Pre-walk
for( Node use : _outputs )
- if( use instanceof CFGNode usecfg )
+ if( use instanceof CFGNode usecfg && !(usecfg instanceof XCtrlNode) )
pre = usecfg._bltWalk(pre,use instanceof FunNode fuse ? fuse : fun,stop,post);
// Post-order work: find innermost loop
LoopTree inner = null, ltree;
for( Node use : _outputs ) {
if( !(use instanceof CFGNode usecfg) ) continue;
+ if( usecfg instanceof XCtrlNode ) continue;
// Child visited but not post-visited?
if( !post.get(usecfg._nid) ) {
// Must be a backedge to a LoopNode then
diff --git a/chapter18/src/main/java/com/seaofnodes/simple/node/CallNode.java b/chapter18/src/main/java/com/seaofnodes/simple/node/CallNode.java
index 0839ad2c..3ec1cd0c 100644
--- a/chapter18/src/main/java/com/seaofnodes/simple/node/CallNode.java
+++ b/chapter18/src/main/java/com/seaofnodes/simple/node/CallNode.java
@@ -1,6 +1,6 @@
package com.seaofnodes.simple.node;
-import com.seaofnodes.simple.Parser;
+import com.seaofnodes.simple.CodeGen;
import com.seaofnodes.simple.Utils;
import com.seaofnodes.simple.type.Type;
import com.seaofnodes.simple.type.TypeFunPtr;
@@ -21,7 +21,7 @@ public class CallNode extends CFGNode {
String fname = null;
Node fptr = fptr();
if( fptr._type instanceof TypeFunPtr tfp && tfp.isConstant() )
- fname = Parser.LINKER.get(tfp)._name;
+ fname = CodeGen.CODE._linker.get(tfp)._name;
if( fname==null ) fptr._print0(sb,visited);
else sb.append(fname);
sb.append("( ");
@@ -62,7 +62,7 @@ public class CallNode extends CFGNode {
for( ; fidxs!=0; fidxs = TypeFunPtr.nextFIDX(fidxs) ) {
int fidx = Long.numberOfTrailingZeros(fidxs);
TypeFunPtr tfp0 = tfp.makeFrom(fidx);
- FunNode fun = Parser.LINKER.get(tfp0);
+ FunNode fun = CodeGen.CODE._linker.get(tfp0);
if( fun!=null && !fun._folding && !linked(fun) )
link(fun);
}
diff --git a/chapter18/src/main/java/com/seaofnodes/simple/node/ConstantNode.java b/chapter18/src/main/java/com/seaofnodes/simple/node/ConstantNode.java
index 406b20ca..e54797a5 100644
--- a/chapter18/src/main/java/com/seaofnodes/simple/node/ConstantNode.java
+++ b/chapter18/src/main/java/com/seaofnodes/simple/node/ConstantNode.java
@@ -19,12 +19,18 @@ import java.util.BitSet;
* The Constant's value is the value stored in it.
*/
public class ConstantNode extends Node {
- Type _con;
+ public final Type _con;
public ConstantNode( Type type ) {
super(Parser.START);
_con = type;
}
+ public static Node make( Type type ) {
+ if( type==Type. CONTROL ) return new CtrlNode();
+ if( type==Type.XCONTROL ) return new XCtrlNode();
+ return new ConstantNode(type);
+ }
+
@Override
public String label() { return "#"+_con; }
@@ -37,6 +43,7 @@ public class ConstantNode extends Node {
}
@Override public boolean isMultiTail() { return true; }
+ @Override public boolean isConst() { return true; }
@Override
public Type compute() { return _con; }
diff --git a/chapter18/src/main/java/com/seaofnodes/simple/node/CtrlNode.java b/chapter18/src/main/java/com/seaofnodes/simple/node/CtrlNode.java
new file mode 100644
index 00000000..162417bb
--- /dev/null
+++ b/chapter18/src/main/java/com/seaofnodes/simple/node/CtrlNode.java
@@ -0,0 +1,14 @@
+package com.seaofnodes.simple.node;
+
+import com.seaofnodes.simple.Parser;
+import com.seaofnodes.simple.type.Type;
+import java.util.BitSet;
+
+public class CtrlNode extends CFGNode {
+ public CtrlNode() { super(Parser.START); }
+ @Override public String label() { return "Ctrl"; }
+ @Override StringBuilder _print1(StringBuilder sb, BitSet visited) { return sb.append("Cctrl"); }
+ @Override public boolean isConst() { return true; }
+ @Override public Type compute() { return Type.CONTROL; }
+ @Override public Node idealize() { return null; }
+}
diff --git a/chapter18/src/main/java/com/seaofnodes/simple/node/FunNode.java b/chapter18/src/main/java/com/seaofnodes/simple/node/FunNode.java
index 9087926e..94d7eff7 100644
--- a/chapter18/src/main/java/com/seaofnodes/simple/node/FunNode.java
+++ b/chapter18/src/main/java/com/seaofnodes/simple/node/FunNode.java
@@ -9,24 +9,27 @@ public class FunNode extends RegionNode {
// When set true, this Call/CallEnd/Fun/Return is being trivially inlined
boolean _folding;
- TypeFunPtr _sig; // Initial signature may be missing return
- String _name; // Debug label, optional
+ public final TypeFunPtr _sig; // Initial signature
+ public String _name; // Debug label, optional
+ private ReturnNode _ret; // Return pointer
public FunNode( StartNode start, TypeFunPtr sig, String name ) { super(null,start); _sig=sig; _name=name; }
@Override
public String label() { return _name; }
- ReturnNode ret() {
- ReturnNode ret=null;
+ // Find the one CFG user from Fun. It's not always the Return, but always
+ // the Return *is* a CFG user of Fun.
+ @Override public CFGNode uctrl() {
for( Node n : _outputs )
- if( n instanceof ReturnNode ret0 ) {
- assert ret==null || ret==ret0; // Found more than one return
- ret=ret0;
- }
- return ret;
+ if( n instanceof CFGNode cfg &&
+ (cfg instanceof RegionNode || cfg.cfg0()==this) )
+ return cfg;
+ return null;
}
+ public void setRet(ReturnNode ret) { _ret=ret; }
+ ReturnNode ret() { assert _ret!=null; return _ret; }
@Override
public Type compute() {
@@ -36,12 +39,23 @@ public class FunNode extends RegionNode {
@Override
public Node idealize() {
+ // When can we assume no callers? Or no other callers (except main)?
+ // In a partial compilation, we assume Start gets access to any/all
+ // top-level public structures and recursively what they point to.
+ // This in turn is valid arguments to every callable function.
+ //
+ // In a total compilation, we can start from Start and keep things
+ // more contained.
+
+
// If no default/unknown caller, use the normal RegionNode ideal rules
// to collapse
- if( inProgress() ) return null;
+ if( unknownCallers() ) return null;
return super.idealize();
}
// Always in-progress until we run out of unknown callers
- @Override public boolean inProgress() { return in(1) instanceof StartNode; }
+ public boolean unknownCallers() { return in(1) instanceof StartNode; }
+
+ @Override public boolean inProgress() { return unknownCallers(); }
}
diff --git a/chapter18/src/main/java/com/seaofnodes/simple/node/IfNode.java b/chapter18/src/main/java/com/seaofnodes/simple/node/IfNode.java
index dcd2d4c7..1e6b2878 100644
--- a/chapter18/src/main/java/com/seaofnodes/simple/node/IfNode.java
+++ b/chapter18/src/main/java/com/seaofnodes/simple/node/IfNode.java
@@ -26,6 +26,9 @@ public class IfNode extends CFGNode implements MultiNode {
public Node ctrl() { return in(0); }
public Node pred() { return in(1); }
+ // No one unique control follows
+ @Override public CFGNode uctrl() { return null; }
+
@Override
public Type compute() {
// If the If node is not reachable then neither is any following Proj
diff --git a/chapter18/src/main/java/com/seaofnodes/simple/node/LoopNode.java b/chapter18/src/main/java/com/seaofnodes/simple/node/LoopNode.java
index 33420eb9..3f2ae149 100644
--- a/chapter18/src/main/java/com/seaofnodes/simple/node/LoopNode.java
+++ b/chapter18/src/main/java/com/seaofnodes/simple/node/LoopNode.java
@@ -58,17 +58,13 @@ public class LoopNode extends RegionNode {
setDef(2,f);
// Now fold control into the exit
- if( fun!=null )
- throw Utils.TODO();
-
- // If not in a function, look for a last-level merge point;
- // make if not there.
- RegionNode ctrl = stop.ctrl() instanceof RegionNode r ? r : new RegionNode(null,stop.ctrl());
- PhiNode mem = stop.mem () instanceof PhiNode phi && phi.in(0)==ctrl ? phi : new PhiNode("",stop.mem ()._type,ctrl,stop.mem ());
- PhiNode expr = stop.expr() instanceof PhiNode phi && phi.in(0)==ctrl ? phi : new PhiNode("",stop.expr()._type,ctrl,stop.expr());
- if( stop.ctrl()!=ctrl ) stop.setDef(0,ctrl);
- if( stop.mem ()!=mem ) stop.setDef(1,mem );
- if( stop.expr()!=expr ) stop.setDef(2,expr);
+ ReturnNode ret = fun.ret();
+ RegionNode ctrl = ret.ctrl() instanceof RegionNode r ? r : new RegionNode(null,ret.ctrl());
+ PhiNode mem = ret.mem () instanceof PhiNode phi && phi.in(0)==ctrl ? phi : new PhiNode(ctrl,ret.mem ());
+ PhiNode expr = ret.expr() instanceof PhiNode phi && phi.in(0)==ctrl ? phi : new PhiNode(ctrl,ret.expr());
+ if( ret.ctrl()!=ctrl ) ret.setDef(0,ctrl);
+ if( ret.mem ()!=mem ) ret.setDef(1,mem );
+ if( ret.expr()!=expr ) ret.setDef(2,expr);
Node top = new ConstantNode(Type.TOP).peephole();
ctrl.addDef(t );
mem .addDef(top);
diff --git a/chapter18/src/main/java/com/seaofnodes/simple/node/Node.java b/chapter18/src/main/java/com/seaofnodes/simple/node/Node.java
index 6369fb01..cc7a1d13 100644
--- a/chapter18/src/main/java/com/seaofnodes/simple/node/Node.java
+++ b/chapter18/src/main/java/com/seaofnodes/simple/node/Node.java
@@ -114,6 +114,7 @@ public abstract class Node {
public boolean isMultiHead() { return false; }
public boolean isMultiTail() { return false; }
+ public boolean isConst () { return false; }
// ------------------------------------------------------------------------
// Graph Node & Edge manipulation
@@ -337,8 +338,8 @@ public abstract class Node {
Type old = setType(compute());
// Replace constant computations from non-constants with a constant node
- if( !(this instanceof ConstantNode) && !(this instanceof XCtrlNode) && _type.isHighOrConst() )
- return (_type==Type.XCONTROL ? new XCtrlNode() : new ConstantNode(_type)).peepholeOpt();
+ if( _type.isHighOrConst() && !isConst() )
+ return ConstantNode.make(_type).peepholeOpt();
// Global Value Numbering
if( _hash==0 ) {
diff --git a/chapter18/src/main/java/com/seaofnodes/simple/node/ParmNode.java b/chapter18/src/main/java/com/seaofnodes/simple/node/ParmNode.java
index 136494b5..f139e4ca 100644
--- a/chapter18/src/main/java/com/seaofnodes/simple/node/ParmNode.java
+++ b/chapter18/src/main/java/com/seaofnodes/simple/node/ParmNode.java
@@ -7,7 +7,7 @@ import java.util.BitSet;
public class ParmNode extends PhiNode {
// Argument indices are mapped one-to-one on CallNode inputs
- final int _idx; // Argument index
+ public final int _idx; // Argument index
public ParmNode(String label, int idx, Type declaredType, Node... inputs) {
super(label,declaredType,inputs);
@@ -18,7 +18,7 @@ public class ParmNode extends PhiNode {
@Override public String glabel() { return _label; }
- FunNode fun() { return (FunNode)in(0); }
+ public FunNode fun() { return (FunNode)in(0); }
@Override
StringBuilder _print1(StringBuilder sb, BitSet visited) {
diff --git a/chapter18/src/main/java/com/seaofnodes/simple/node/PhiNode.java b/chapter18/src/main/java/com/seaofnodes/simple/node/PhiNode.java
index 6dd4f57d..91334b6c 100644
--- a/chapter18/src/main/java/com/seaofnodes/simple/node/PhiNode.java
+++ b/chapter18/src/main/java/com/seaofnodes/simple/node/PhiNode.java
@@ -8,7 +8,7 @@ import java.util.BitSet;
public class PhiNode extends Node {
- final String _label;
+ public final String _label;
// The Phi type we compute must stay within the domain of the Phi.
// Example Int stays Int, Ptr stays Ptr, Control stays Control, Mem stays Mem.
@@ -16,6 +16,14 @@ public class PhiNode extends Node {
public PhiNode(String label, Type declaredType, Node... inputs) { super(inputs); _label = label; assert declaredType!=null; _declaredType = declaredType; }
+ public PhiNode(RegionNode r, Node sample) {
+ super(r);
+ _label = "";
+ _declaredType = sample._type;
+ while( nIns() < r.nIns() )
+ addDef(sample);
+ }
+
@Override public String label() { return "Phi_"+MemOpNode.mlabel(_label); }
@Override public String glabel() { return "&phi;_"+_label; }
diff --git a/chapter18/src/main/java/com/seaofnodes/simple/node/ReturnNode.java b/chapter18/src/main/java/com/seaofnodes/simple/node/ReturnNode.java
index b305a96e..35563d6e 100644
--- a/chapter18/src/main/java/com/seaofnodes/simple/node/ReturnNode.java
+++ b/chapter18/src/main/java/com/seaofnodes/simple/node/ReturnNode.java
@@ -1,8 +1,7 @@
package com.seaofnodes.simple.node;
-import com.seaofnodes.simple.Parser;
+import com.seaofnodes.simple.CodeGen;
import com.seaofnodes.simple.type.*;
-
import java.util.BitSet;
/**
@@ -16,14 +15,16 @@ import java.util.BitSet;
*/
public class ReturnNode extends CFGNode {
+ public final FunNode _fun;
public ReturnNode(Node ctrl, Node mem, Node data, FunNode fun) {
- super(ctrl, mem, data, fun);
+ super(ctrl, mem, data);
+ _fun = fun;
}
public Node ctrl() { return in(0); }
public Node mem () { return in(1); }
public Node expr() { return in(2); }
- public FunNode fun() { return (FunNode)in(3); }
+ public FunNode fun() { return _fun; }
@Override
public String label() { return "Return"; }
@@ -31,7 +32,6 @@ public class ReturnNode extends CFGNode {
@Override
StringBuilder _print1(StringBuilder sb, BitSet visited) {
sb.append("return ");
- if( expr()==null ) return sb.append("INPROGRESS");
expr()._print0(sb, visited);
return sb.append(";");
}
@@ -45,7 +45,7 @@ public class ReturnNode extends CFGNode {
@Override public Node idealize() { return null; }
public boolean inProgress() {
- return ctrl() instanceof RegionNode r && r.inProgress();
+ return ctrl().getClass() == RegionNode.class && ((RegionNode)ctrl()).inProgress();
}
// Add a return exit to the current parsing function
diff --git a/chapter18/src/main/java/com/seaofnodes/simple/node/ScopeMinNode.java b/chapter18/src/main/java/com/seaofnodes/simple/node/ScopeMinNode.java
index f5a33890..f29ed20b 100644
--- a/chapter18/src/main/java/com/seaofnodes/simple/node/ScopeMinNode.java
+++ b/chapter18/src/main/java/com/seaofnodes/simple/node/ScopeMinNode.java
@@ -11,6 +11,8 @@ import static com.seaofnodes.simple.Utils.TODO;
/* */
public class ScopeMinNode extends Node {
+ public final boolean _inProgress;
+
/** The tracked fields are now complex enough to deserve a array-of-structs layout
*/
public static class Var {
@@ -39,8 +41,12 @@ public class ScopeMinNode extends Node {
}
}
- public ScopeMinNode() { _type = TypeMem.BOT; }
+ public ScopeMinNode(boolean inProgress) { _type = TypeMem.BOT; _inProgress = inProgress; }
+
+ // If being used by a Scope, this is "in progress" from the Parser.
+ // Otherwise its a memory merge
+ boolean inProgress() { return _inProgress; }
@Override public String label() { return "ALLMEM"; }
@Override public boolean isMem() { return true; }
@@ -63,6 +69,17 @@ public class ScopeMinNode extends Node {
return sb.append("]");
}
+ // Make a memory merge: no longer a Scope really, tracking memory state but
+ // not related to the parser in any way.
+ public Node merge() {
+ // Force default memory to not be lazy
+ ScopeMinNode merge = new ScopeMinNode(false);
+ for( Node n : _inputs )
+ merge.addDef(n);
+ merge._mem(1,null);
+ return merge.peephole();
+ }
+
@Override public Type compute() { return TypeMem.BOT; }
@@ -127,13 +144,13 @@ public class ScopeMinNode extends Node {
// Fill in the backedge of any inserted Phis
void _endLoopMem( ScopeNode scope, ScopeMinNode back, ScopeMinNode exit ) {
- for( int i=2; i<back.nIns(); i++ ) {
- if( back.in(i) != scope ) {
- PhiNode phi = (PhiNode)in(i);
- assert phi.region()==scope.ctrl() && phi.in(2)==null;
- phi.setDef(2,back.in(i)); // Fill backedge
+ Node exit_def = exit.alias(1);
+ for( int i=1; i<back.nIns(); i++ ) {
+ if( in(i) instanceof PhiNode phi && phi.region()==scope.ctrl() ) {
+ assert phi.in(2)==null;
+ phi.setDef(2,back.in(i)==scope ? phi : back.in(i)); // Fill backedge
}
- if( exit.alias(i) == scope ) // Replace a lazy-phi on the exit path also
+ if( exit_def == scope ) // Replace a lazy-phi on the exit path also
exit.alias(i,in(i));
}
}
@@ -155,16 +172,7 @@ public class ScopeMinNode extends Node {
}
}
- // If being used by a Scope, this is "in progress" from the Parser.
- // Once no more scope users, this is just a memory-merge.
- boolean inProgress() {
- for( Node n : _outputs )
- if( n instanceof ScopeNode scope )
- return true;
- return false;
- }
-
@Override boolean eq( Node n ) {
- return this==n || !inProgress();
+ return this==n || !_inProgress;
}
}
diff --git a/chapter18/src/main/java/com/seaofnodes/simple/node/ScopeNode.java b/chapter18/src/main/java/com/seaofnodes/simple/node/ScopeNode.java
index 8685e66b..e4a4ddc0 100644
--- a/chapter18/src/main/java/com/seaofnodes/simple/node/ScopeNode.java
+++ b/chapter18/src/main/java/com/seaofnodes/simple/node/ScopeNode.java
@@ -3,7 +3,6 @@ package com.seaofnodes.simple.node;
import com.seaofnodes.simple.*;
import com.seaofnodes.simple.type.*;
import java.util.*;
-import static com.seaofnodes.simple.Utils.TODO;
/**
* The Scope node is purely a parser helper - it tracks names to nodes with a
@@ -33,6 +32,7 @@ public class ScopeNode extends ScopeMinNode {
// A new ScopeNode
public ScopeNode() {
+ super(true);
_vars = new Ary<>(Var .class);
_lexSize= new Ary<>(Integer.class);
_inCons = new Ary<>(Boolean.class);
@@ -113,8 +113,8 @@ public class ScopeNode extends ScopeMinNode {
* Create a new variable name in the current scope
*/
public boolean define( String name, Type declaredType, boolean xfinal, Node init ) {
- assert name.charAt(0)!='$' || _lexSize.size()==1; // Later scopes do not define memory
- if( _lexSize._len > 1 )
+ assert _lexSize.isEmpty() || name.charAt(0)!='$' ; // Later scopes do not define memory
+ if( _lexSize._len > 0 )
for( int i=_vars.size()-1; i>=_lexSize.last(); i-- )
if( _vars.get(i)._name.equals(name) )
return false; // Double define
@@ -203,7 +203,7 @@ public class ScopeNode extends ScopeMinNode {
dup.addDef(ctrl()); // Control input is just copied
// Memory input is a shallow copy
- ScopeMinNode memdup = new ScopeMinNode(), mem = mem();
+ ScopeMinNode memdup = new ScopeMinNode(true), mem = mem();
memdup.addDef(null);
memdup.addDef(loop ? this : mem.in(1));
for( int i=2; i<mem.nIns(); i++ )
diff --git a/chapter18/src/main/java/com/seaofnodes/simple/node/StartNode.java b/chapter18/src/main/java/com/seaofnodes/simple/node/StartNode.java
index ab6e4931..008a910f 100644
--- a/chapter18/src/main/java/com/seaofnodes/simple/node/StartNode.java
+++ b/chapter18/src/main/java/com/seaofnodes/simple/node/StartNode.java
@@ -29,7 +29,19 @@ public class StartNode extends LoopNode implements MultiNode {
@Override public boolean isMultiHead() { return true; }
@Override public boolean blockHead() { return true; }
- @Override public CFGNode cfg0() { return this; }
+ @Override public CFGNode cfg0() { return null; }
+
+ // Get the one control following; error to call with more than one e.g. an
+ // IfNode or other multi-way branch. For Start, its "main"
+ @Override public CFGNode uctrl() {
+ // Find "main", its the start.
+ CFGNode C = null;
+ for( Node use : _outputs )
+ if( use instanceof FunNode fun && fun._sig==TypeFunPtr.MAIN )
+ { assert C==null; C = fun; }
+ return C;
+ }
+
@Override public TypeTuple compute() {
return TypeTuple.make(Type.CONTROL,TypeMem.TOP,_arg);
diff --git a/chapter18/src/main/java/com/seaofnodes/simple/node/StopNode.java b/chapter18/src/main/java/com/seaofnodes/simple/node/StopNode.java
index 4b91f1eb..fb78f720 100644
--- a/chapter18/src/main/java/com/seaofnodes/simple/node/StopNode.java
+++ b/chapter18/src/main/java/com/seaofnodes/simple/node/StopNode.java
@@ -22,7 +22,6 @@ public class StopNode extends CFGNode {
@Override
StringBuilder _print1(StringBuilder sb, BitSet visited) {
// For the sake of many old tests, and single value prints as "return val"
- if( nIns() == 3 ) return expr()._print0(sb.append("return "),visited).append(";");
if( ret()!=null ) return ret()._print0(sb,visited);
sb.append("Stop[ ");
for( Node ret : _inputs )
@@ -33,14 +32,10 @@ public class StopNode extends CFGNode {
@Override public boolean blockHead() { return true; }
- public CFGNode ctrl() { return (CFGNode)in(0); }
- public Node mem () { return in(1); }
- public Node expr() { return in(2); }
-
// If a single Return, return it.
// Otherwise, null because ambiguous.
public ReturnNode ret() {
- return nIns()==4 && in(3) instanceof ReturnNode ret ? ret : null;
+ return nIns()==1 && in(0) instanceof ReturnNode ret ? ret : null;
}
@Override
@@ -51,7 +46,7 @@ public class StopNode extends CFGNode {
@Override
public Node idealize() {
int len = nIns();
- for( int i=3; i<nIns(); i++ )
+ for( int i=0; i<nIns(); i++ )
if( ((ReturnNode)in(i)).fun()==null )
delDef(i--);
if( len != nIns() ) return this;
@@ -61,9 +56,8 @@ public class StopNode extends CFGNode {
@Override public int idepth() {
if( _idepth!=0 ) return _idepth;
int d=0;
- for( Node n : _inputs )
- if( n instanceof CFGNode cfg )
- d = Math.max(d,cfg.idepth()+1);
+ for( Node ret : _inputs )
+ d = Math.max(d,((ReturnNode)ret).idepth()+1);
return _idepth=d;
}
diff --git a/chapter18/src/main/java/com/seaofnodes/simple/node/SubFNode.java b/chapter18/src/main/java/com/seaofnodes/simple/node/SubFNode.java
index 682930e0..b591718d 100644
--- a/chapter18/src/main/java/com/seaofnodes/simple/node/SubFNode.java
+++ b/chapter18/src/main/java/com/seaofnodes/simple/node/SubFNode.java
@@ -34,7 +34,7 @@ public class SubFNode extends Node {
Node lhs = in(1);
Type t2 = in(2)._type;
- // Sub of 1.
+ // Sub of 0.
if ( t2.isConstant() && t2 instanceof TypeFloat i && i.value()==0 )
return lhs;
diff --git a/chapter18/src/main/java/com/seaofnodes/simple/node/XCtrlNode.java b/chapter18/src/main/java/com/seaofnodes/simple/node/XCtrlNode.java
index 83779dd2..3c6a5df3 100644
--- a/chapter18/src/main/java/com/seaofnodes/simple/node/XCtrlNode.java
+++ b/chapter18/src/main/java/com/seaofnodes/simple/node/XCtrlNode.java
@@ -5,9 +5,11 @@ import com.seaofnodes.simple.type.Type;
import java.util.BitSet;
public class XCtrlNode extends CFGNode {
- public XCtrlNode( ) { super(Parser.START); }
+ public XCtrlNode() { super(Parser.START); }
@Override public String label() { return "Xctrl"; }
@Override StringBuilder _print1(StringBuilder sb, BitSet visited) { return sb.append("Xctrl"); }
+ @Override public boolean isConst() { return true; }
+ @Override public boolean isMultiTail() { return true; }
@Override public Type compute() { return Type.XCONTROL; }
@Override public Node idealize() { return null; }
}
diff --git a/chapter18/src/test/java/com/seaofnodes/simple/BrainFuckTest.java b/chapter18/src/test/java/com/seaofnodes/simple/BrainFuckTest.java
index f21b9afa..2995e89c 100644
--- a/chapter18/src/test/java/com/seaofnodes/simple/BrainFuckTest.java
+++ b/chapter18/src/test/java/com/seaofnodes/simple/BrainFuckTest.java
@@ -1,9 +1,7 @@
package com.seaofnodes.simple;
import com.seaofnodes.simple.evaluator.Evaluator;
-import com.seaofnodes.simple.node.StopNode;
import org.junit.Test;
-import org.junit.Ignore;
import java.nio.charset.StandardCharsets;
@@ -67,7 +65,7 @@ for( int pc = 0; pc < program#; pc++ ) {
}
return output;
""");
- code.parse().opto().typeCheck().codegen();
- assertEquals("Hello World!\n", Evaluator.evaluate(code._stop, 0, 10000).toString());
+ code.parse().opto().typeCheck().GCM();
+ assertEquals("Hello World!\n", Eval2.eval(code, 0, 10000));
}
}
diff --git a/chapter18/src/test/java/com/seaofnodes/simple/Chapter01Test.java b/chapter18/src/test/java/com/seaofnodes/simple/Chapter01Test.java
index 7f111039..224a5f01 100644
--- a/chapter18/src/test/java/com/seaofnodes/simple/Chapter01Test.java
+++ b/chapter18/src/test/java/com/seaofnodes/simple/Chapter01Test.java
@@ -10,8 +10,8 @@ public class Chapter01Test {
@Test
public void testSimpleProgram() {
- CodeGen code = new CodeGen("return 1;").parse().opto();
- Node expr = code._stop.expr();
+ CodeGen code = new CodeGen("return 1;").parse();
+ Node expr = code.expr();
if( expr instanceof ConstantNode con ) {
assertEquals(code._start,con.in(0));
assertEquals(TypeInteger.constant(1), con._type);
@@ -52,7 +52,7 @@ public class Chapter01Test {
@Test
public void testNotBad3() {
// this test used to fail in chapter 1
- assertEquals("return 12;", new CodeGen("return - -12;").parse().opto()._stop.print());
+ assertEquals("return 12;", new CodeGen("return - -12;").parse()._stop.print());
}
@Test
@@ -68,7 +68,7 @@ public class Chapter01Test {
@Test
public void testNotBad5() {
// this test used to fail in chapter 1
- assertEquals("return -100;", new CodeGen("return -100;").parse().opto()._stop.print());
+ assertEquals("return -100;", new CodeGen("return -100;").parse()._stop.print());
}
@Test
diff --git a/chapter18/src/test/java/com/seaofnodes/simple/Chapter02Test.java b/chapter18/src/test/java/com/seaofnodes/simple/Chapter02Test.java
index c85bec6f..4254f0a6 100644
--- a/chapter18/src/test/java/com/seaofnodes/simple/Chapter02Test.java
+++ b/chapter18/src/test/java/com/seaofnodes/simple/Chapter02Test.java
@@ -12,49 +12,49 @@ public class Chapter02Test {
public void testParseGrammar() {
CodeGen code = new CodeGen("return 1+2*3+-5;");
code.parse(true); // Disable peepholes
- assertEquals("return Phi(Region,((1+(2*3))+(-5)));", code._stop.ret().print());
+ assertEquals("return Phi(Region,((1+(2*3))+(-5)));", code.print());
}
@Test
public void testAddPeephole() {
CodeGen code = new CodeGen("return 1+2;");
- code.parse().opto();
- assertEquals("return 3;", code._stop.print());
+ code.parse();
+ assertEquals("return 3;", code.print());
}
@Test
public void testSubPeephole() {
CodeGen code = new CodeGen("return 1-2;");
- code.parse().opto();
- assertEquals("return -1;", code._stop.print());
+ code.parse();
+ assertEquals("return -1;", code.print());
}
@Test
public void testMulPeephole() {
CodeGen code = new CodeGen("return 2*3;");
- code.parse().opto();
- assertEquals("return 6;", code._stop.print());
+ code.parse();
+ assertEquals("return 6;", code.print());
}
@Test
public void testDivPeephole() {
CodeGen code = new CodeGen("return 6/3;");
- code.parse().opto();
- assertEquals("return 2;", code._stop.print());
+ code.parse();
+ assertEquals("return 2;", code.print());
}
@Test
public void testMinusPeephole() {
CodeGen code = new CodeGen("return 6/-3;");
- code.parse().opto();
- assertEquals("return -2;", code._stop.print());
+ code.parse();
+ assertEquals("return -2;", code.print());
}
@Test
public void testExample() {
CodeGen code = new CodeGen("return 1+2*3+-5;");
- code.parse().opto();
- assertEquals("return 2;", code._stop.print());
+ code.parse();
+ assertEquals("return 2;", code.print());
}
}
diff --git a/chapter18/src/test/java/com/seaofnodes/simple/Chapter03Test.java b/chapter18/src/test/java/com/seaofnodes/simple/Chapter03Test.java
index 9a97d5b8..2e45ee2a 100644
--- a/chapter18/src/test/java/com/seaofnodes/simple/Chapter03Test.java
+++ b/chapter18/src/test/java/com/seaofnodes/simple/Chapter03Test.java
@@ -9,41 +9,41 @@ public class Chapter03Test {
@Test
public void testVarDecl() {
CodeGen code = new CodeGen("int a=1; return a;");
- code.parse().opto(); assertEquals("return 1;", code._stop.print());
+ code.parse(); assertEquals("return 1;", code.print());
}
@Test
public void testVarAdd() {
CodeGen code = new CodeGen("int a=1; int b=2; return a+b;");
- code.parse().opto();
- assertEquals("return 3;", code._stop.print());
+ code.parse();
+ assertEquals("return 3;", code.print());
}
@Test
public void testVarScope() {
CodeGen code = new CodeGen("int a=1; int b=2; int c=0; { int b=3; c=a+b; } return c;");
- code.parse().opto();
- assertEquals("return 4;", code._stop.print());
+ code.parse();
+ assertEquals("return 4;", code.print());
}
@Test
public void testVarScopeNoPeephole() {
CodeGen code = new CodeGen("int a=1; int b=2; int !c=0; { int b=3; c=a+b; } return c; ");
code.parse(true);
- assertEquals("return Phi(Region,(1+3));", code._stop.print());
+ assertEquals("return Phi(Region,(1+3));", code.print());
}
@Test
public void testVarDist() {
CodeGen code = new CodeGen("int x0=1; int y0=2; int x1=3; int y1=4; return (x0-x1)*(x0-x1) + (y0-y1)*(y0-y1); ");
- code.parse().opto();
- assertEquals("return 8;", code._stop.print());
+ code.parse();
+ assertEquals("return 8;", code.print());
}
@Test
public void testSelfAssign() {
try {
- new CodeGen("int a=a; return a;").parse().opto();
+ new CodeGen("int a=a; return a;").parse();
fail();
} catch( RuntimeException e ) {
assertEquals("Undefined name 'a'",e.getMessage());
@@ -53,7 +53,7 @@ public class Chapter03Test {
@Test
public void testBad1() {
try {
- new CodeGen("int a=1; int b=2; int !c=0; { int b=3; c=a+b;").parse().opto();
+ new CodeGen("int a=1; int b=2; int !c=0; { int b=3; c=a+b;").parse();
fail();
} catch( RuntimeException e ) {
assertEquals("Syntax error, expected }: ",e.getMessage());
diff --git a/chapter18/src/test/java/com/seaofnodes/simple/Chapter04Test.java b/chapter18/src/test/java/com/seaofnodes/simple/Chapter04Test.java
index c4073fef..27d42c43 100644
--- a/chapter18/src/test/java/com/seaofnodes/simple/Chapter04Test.java
+++ b/chapter18/src/test/java/com/seaofnodes/simple/Chapter04Test.java
@@ -3,6 +3,7 @@ package com.seaofnodes.simple;
import com.seaofnodes.simple.node.*;
import com.seaofnodes.simple.type.TypeInteger;
import org.junit.Test;
+import org.junit.Ignore;
import static org.junit.Assert.*;
@@ -11,100 +12,101 @@ public class Chapter04Test {
@Test
public void testPeephole() {
CodeGen code = new CodeGen("return 1+arg+2; ");
- code.parse().opto();
- assertEquals("return (arg+3);", code._stop.print());
+ code.parse();
+ assertEquals("return (arg+3);", code.print());
}
@Test
public void testPeephole2() {
CodeGen code = new CodeGen("return (1+arg)+2;");
- code.parse().opto();
- assertEquals("return (arg+3);", code._stop.print());
+ code.parse();
+ assertEquals("return (arg+3);", code.print());
}
@Test
public void testAdd0() {
CodeGen code = new CodeGen("return 0+arg;");
- code.parse().opto();
- assertEquals("return arg;", code._stop.print());
+ code.parse();
+ assertEquals("return arg;", code.print());
}
@Test
public void testAddAddMul() {
CodeGen code = new CodeGen("return arg+0+arg;");
- code.parse().opto();
- assertEquals("return (arg*2);", code._stop.print());
+ code.parse();
+ assertEquals("return (arg*2);", code.print());
}
@Test
public void testPeephole3() {
CodeGen code = new CodeGen("return 1+arg+2+arg+3; ");
- code.parse().opto();
- assertEquals("return ((arg*2)+6);", code._stop.print());
+ code.parse();
+ assertEquals("return ((arg*2)+6);", code.print());
}
@Test
public void testMul1() {
CodeGen code = new CodeGen("return 1*arg;");
- code.parse().opto();
- assertEquals("return arg;", code._stop.print());
+ code.parse();
+ assertEquals("return arg;", code.print());
}
@Test
public void testVarArg() {
CodeGen code = new CodeGen("return arg; ");
- code.parse().opto();
- assertTrue(code._stop.ctrl() instanceof CProjNode);
- assertTrue(code._stop.expr() instanceof ProjNode);
+ code.parse();
+ assertTrue(code.ctrl() instanceof FunNode);
+ assertTrue(code.expr() instanceof ParmNode);
}
- @Test
+ // Adding functions means `main` does not constant fold the incoming arg value
+ @Ignore @Test
public void testConstantArg() {
CodeGen code = new CodeGen("return arg; ", TypeInteger.constant(2));
- code.parse().opto();
- assertEquals("return 2;", code._stop.print());
+ code.parse();
+ assertEquals("return 2;", code.expr().in(1).toString());
}
@Test
public void testCompEq() {
CodeGen code = new CodeGen("return 3==3; ");
- code.parse().opto();
- assertEquals("return 1;", code._stop.print());
+ code.parse();
+ assertEquals("return 1;", code.print());
}
@Test
public void testCompEq2() {
CodeGen code = new CodeGen("return 3==4; ");
- code.parse().opto();
- assertEquals("return 0;", code._stop.print());
+ code.parse();
+ assertEquals("return 0;", code.print());
}
@Test
public void testCompNEq() {
CodeGen code = new CodeGen("return 3!=3; ");
- code.parse().opto();
- assertEquals("return 0;", code._stop.print());
+ code.parse();
+ assertEquals("return 0;", code.print());
}
@Test
public void testCompNEq2() {
CodeGen code = new CodeGen("return 3!=4; ");
- code.parse().opto();
- assertEquals("return 1;", code._stop.print());
+ code.parse();
+ assertEquals("return 1;", code.print());
}
@Test
public void testBug1() {
CodeGen code = new CodeGen("int a=arg+1; int !b=a; b=1; return a+2; ");
- code.parse().opto();
- assertEquals("return (arg+3);", code._stop.print());
+ code.parse();
+ assertEquals("return (arg+3);", code.print());
}
@Test
public void testBug2() {
CodeGen code = new CodeGen("int !a=arg+1; a=a; return a; ");
- code.parse().opto();
- assertEquals("return (arg+1);", code._stop.print());
+ code.parse();
+ assertEquals("return (arg+1);", code.print());
}
@Test
@@ -120,8 +122,8 @@ public class Chapter04Test {
@Test
public void testBug4() {
CodeGen code = new CodeGen("return -arg;");
- code.parse().opto();
- assertEquals("return (-arg);", code._stop.print());
+ code.parse();
+ assertEquals("return (-arg);", code.print());
}
}
diff --git a/chapter18/src/test/java/com/seaofnodes/simple/Chapter05Test.java b/chapter18/src/test/java/com/seaofnodes/simple/Chapter05Test.java
index bf074d0a..3bea9b9a 100644
--- a/chapter18/src/test/java/com/seaofnodes/simple/Chapter05Test.java
+++ b/chapter18/src/test/java/com/seaofnodes/simple/Chapter05Test.java
@@ -20,7 +20,7 @@ else {
return a;
""");
code.parse().opto();
- assertEquals("return Phi(Region,(arg+2),(arg-3));", code._stop.toString());
+ assertEquals("return Phi(Region,(arg+2),(arg-3));", code.print());
}
@Test
@@ -36,7 +36,7 @@ if (arg == 1) {
return c;
""");
code.parse().opto();
- assertEquals("return Phi(Region,4,3);", code._stop.toString());
+ assertEquals("return Phi(Region,4,3);", code.print());
}
@Test
@@ -49,7 +49,7 @@ else
return 4;
""");
code.parse();
- assertEquals("return Phi(Region,3,4);", code._stop.expr().in(0).in(1).toString());
+ assertEquals("return Phi(Region,3,4);", code.print());
}
@Test
@@ -64,7 +64,7 @@ else
b=a+1;
return a+b;""");
code.parse().opto();
- assertEquals("return ((arg*2)+Phi(Region,2,3));", code._stop.toString());
+ assertEquals("return ((arg*2)+Phi(Region,2,3));", code.print());
}
@Test
@@ -79,7 +79,7 @@ else
a=b+1;
return a+b;""");
code.parse().opto();
- assertEquals("return ((Phi(Region,(arg*2),arg)+arg)+Phi(Region,4,5));", code._stop.toString());
+ assertEquals("return ((Phi(Region,(arg*2),arg)+arg)+Phi(Region,4,5));", code.print());
}
@Test
@@ -99,7 +99,7 @@ else
return a;
""");
code.parse().opto();
- assertEquals("return Phi(Region,Phi(Region,2,3),Phi(Region,4,5));", code._stop.toString());
+ assertEquals("return Phi(Region,Phi(Region,2,3),Phi(Region,4,5));", code.print());
}
@Test
@@ -115,7 +115,7 @@ if( arg==0 )
return arg+a+b;
""");
code.parse().opto();
- assertEquals("return ((arg+Phi(Region,1,0))+Phi(Region,2,0));", code._stop.toString());
+ assertEquals("return ((arg+Phi(Region,1,0))+Phi(Region,2,0));", code.print());
}
@Test
@@ -130,13 +130,13 @@ if( arg==1 )
return a;
""");
code.parse().opto();
- assertEquals("return (arg==Phi(Region,3,2));", code._stop.toString());
+ assertEquals("return (arg==Phi(Region,3,2));", code.print());
}
@Test
public void testTrue() {
StopNode stop = new Parser("return true;").parse();
- assertEquals("return 1;",stop.expr().in(0).in(1).toString());
+ assertEquals("return 1;",stop.ret().print());
}
@Test
diff --git a/chapter18/src/test/java/com/seaofnodes/simple/Chapter06Test.java b/chapter18/src/test/java/com/seaofnodes/simple/Chapter06Test.java
index 02814501..2107cdb0 100644
--- a/chapter18/src/test/java/com/seaofnodes/simple/Chapter06Test.java
+++ b/chapter18/src/test/java/com/seaofnodes/simple/Chapter06Test.java
@@ -10,14 +10,13 @@ public class Chapter06Test {
@Test
public void testPeepholeReturn() {
- CodeGen code = new CodeGen(
-"""
+ CodeGen code = new CodeGen("""
if( true ) return 2;
return 1;
""");
code.parse().opto();
- assertEquals("return 2;", code._stop.toString());
- assertTrue(code._stop.in(0) instanceof CProjNode);
+ assertEquals("return 2;", code.print());
+ assertTrue(code.ctrl() instanceof FunNode);
}
@Test
@@ -30,7 +29,7 @@ if (arg)
return (arg < a) < 3; // Because (arg < a) is a bool/uint1/[0-1], its always less than 3
""");
code.parse().opto();
- assertEquals("return 1;", code._stop.toString());
+ assertEquals("return 1;", code.print());
}
@Test
@@ -45,8 +44,8 @@ else
return a;
""");
code.parse().opto();
- assertEquals("return 2;", code._stop.toString());
- assertTrue(code._stop.in(0) instanceof CProjNode);
+ assertEquals("return 2;", code.print());
+ assertTrue(code.ctrl() instanceof FunNode);
}
@Test
@@ -66,7 +65,7 @@ else
return b;
""");
code.parse().opto();
- assertEquals("return Phi(Region,42,5);", code._stop.toString());
+ assertEquals("return Phi(Region,42,5);", code.print());
}
@Test
@@ -85,13 +84,14 @@ else
b=5;
return b;""");
code.parse().opto();
- assertEquals("return Phi(Region,2,5);", code._stop.toString());
+ assertEquals("return Phi(Region,2,5);", code.print());
}
@Test
public void testMerge3With2() {
CodeGen code = new CodeGen(
"""
+arg=2;
int a=1;
if( arg==1 )
if( arg==2 )
@@ -105,13 +105,14 @@ else
return a;
""", TypeInteger.constant(2));
code.parse().opto();
- assertEquals("return 5;", code._stop.toString());
+ assertEquals("return 5;", code.print());
}
@Test
public void testMerge3With1() {
CodeGen code = new CodeGen(
"""
+arg=1;
int a=1;
if( arg==1 )
if( arg==2 )
@@ -125,7 +126,7 @@ else
return a;
""", TypeInteger.constant(1));
code.parse().opto();
- assertEquals("return 3;", code._stop.toString());
+ assertEquals("return 3;", code.print());
}
@Test
@@ -145,13 +146,14 @@ else
return a;
""");
code.parse().opto();
- assertEquals("return Phi(Region,3,Phi(Region,4,5));", code._stop.toString());
+ assertEquals("return Phi(Region,3,Phi(Region,4,5));", code.print());
}
@Test
public void testMerge3Peephole1() {
CodeGen code = new CodeGen(
"""
+arg=1;
int a=1;
if( arg==1 )
if( 1==2 )
@@ -165,13 +167,14 @@ else
return a;
""", TypeInteger.constant(1));
code.parse().opto();
- assertEquals("return 3;", code._stop.toString());
+ assertEquals("return 3;", code.print());
}
@Test
public void testMerge3Peephole3() {
CodeGen code = new CodeGen(
"""
+arg=3;
int a=1;
if( arg==1 )
if( 1==2 )
@@ -185,7 +188,7 @@ else
return a;
""", TypeInteger.constant(3));
code.parse().opto();
- assertEquals("return 4;", code._stop.toString());
+ assertEquals("return 4;", code.print());
}
@Test
@@ -201,13 +204,14 @@ if( arg ) {
return a+b;
""");
code.parse().opto();
- assertEquals("return Phi(Region,4,1);", code._stop.toString());
+ assertEquals("return Phi(Region,4,1);", code.print());
}
@Test
public void testDemo1True() {
CodeGen code = new CodeGen("""
+arg=1;
int a = 0;
int b = 1;
if( arg ) {
@@ -218,12 +222,13 @@ if( arg ) {
return a+b;
""", TypeInteger.constant(1));
code.parse().opto();
- assertEquals("return 4;", code._stop.toString());
+ assertEquals("return 4;", code.print());
}
@Test
public void testDemo1False() {
CodeGen code = new CodeGen("""
+arg=0;
int a = 0;
int b = 1;
if( arg ) {
@@ -234,7 +239,7 @@ if( arg ) {
return a+b;
""", TypeInteger.constant(0));
code.parse().opto();
- assertEquals("return 1;", code._stop.toString());
+ assertEquals("return 1;", code.print());
}
@Test
@@ -252,13 +257,14 @@ if( arg ) {
return a+b+c;
""");
code.parse().opto();
- assertEquals("return (Phi(Region,Phi(Region,2,3),0)+Phi(Region,3,1));", code._stop.toString());
+ assertEquals("return (Phi(Region,Phi(Region,2,3),0)+Phi(Region,3,1));", code.print());
}
@Test
public void testDemo2True() {
CodeGen code = new CodeGen("""
+arg=1;
int a = 0;
int b = 1;
int c = 0;
@@ -271,12 +277,13 @@ if( arg ) {
return a+b+c;
""", TypeInteger.constant(1));
code.parse().opto();
- assertEquals("return 6;", code._stop.toString());
+ assertEquals("return 6;", code.print());
}
@Test
public void testDemo2arg2() {
CodeGen code = new CodeGen("""
+arg=2;
int a = 0;
int b = 1;
int c = 0;
@@ -289,7 +296,7 @@ if( arg ) {
return a+b+c;
""", TypeInteger.constant(2));
code.parse().opto();
- assertEquals("return 5;", code._stop.toString());
+ assertEquals("return 5;", code.print());
}
}
diff --git a/chapter18/src/test/java/com/seaofnodes/simple/Chapter07Test.java b/chapter18/src/test/java/com/seaofnodes/simple/Chapter07Test.java
index aad6a765..7cef0d9c 100644
--- a/chapter18/src/test/java/com/seaofnodes/simple/Chapter07Test.java
+++ b/chapter18/src/test/java/com/seaofnodes/simple/Chapter07Test.java
@@ -18,8 +18,8 @@ return arg;
""");
Node._disablePeephole = true;
code.parse();
- assertEquals("return Phi(Loop,arg,(Phi_arg+1));", code._stop.expr().in(0).in(1).toString());
- assertTrue(code._stop.ctrl() instanceof CProjNode);
+ assertEquals("return Phi(Loop,arg,(Phi_arg+1));", code.print());
+ assertTrue(code.ctrl() instanceof CProjNode);
Node._disablePeephole = false;
}
@@ -36,7 +36,7 @@ if(arg){}else{
return a;
""");
code.parse().opto();
- assertEquals("return Phi(Region,1,Phi(Loop,1,(Phi_a+1)));", code._stop.toString());
+ assertEquals("return Phi(Region,1,Phi(Loop,1,(Phi_a+1)));", code.print());
}
@Test
@@ -56,7 +56,7 @@ while(i < arg) {
return sum;
""");
code.parse().opto();
- assertEquals("return Phi(Loop,0,Phi(Loop,Phi_sum,(Phi_sum+Phi(Loop,0,(Phi_j+1)))));", code._stop.toString());
+ assertEquals("return Phi(Loop,0,Phi(Loop,Phi_sum,(Phi_sum+Phi(Loop,0,(Phi_j+1)))));", code.print());
}
@Test
@@ -73,8 +73,8 @@ return b;
""");
Node._disablePeephole = true;
code.parse();
- assertEquals("return Phi(Loop,2,Phi(Region,Phi_b,4));", code._stop.expr().in(0).in(1).toString());
- assertTrue(code._stop.ctrl() instanceof CProjNode);
+ assertEquals("return Phi(Loop,2,Phi(Region,Phi_b,4));", code.print());
+ assertTrue(code.ctrl() instanceof CProjNode);
Node._disablePeephole = false;
}
@@ -93,8 +93,8 @@ while(a < 10) {
return b;
""");
code.parse().opto();
- assertEquals("return Phi(Loop,2,(Phi(Region,Phi_b,4)+1));", code._stop.toString());
- assertTrue(code._stop.ctrl() instanceof CProjNode);
+ assertEquals("return Phi(Loop,2,(Phi(Region,Phi_b,4)+1));", code.print());
+ assertTrue(code.ctrl() instanceof CProjNode);
}
@@ -111,8 +111,8 @@ return a;
""");
Node._disablePeephole = true;
code.parse();
- assertEquals("return Phi(Loop,1,(Phi_a+3));", code._stop.expr().in(0).in(1).toString());
- assertTrue(code._stop.ctrl() instanceof CProjNode);
+ assertEquals("return Phi(Loop,1,(Phi_a+3));", code.print());
+ assertTrue(code.ctrl() instanceof CProjNode);
Node._disablePeephole = false;
}
@@ -128,8 +128,8 @@ while(a < 10) {
return a;
""");
code.parse().opto();
- assertEquals("return Phi(Loop,1,(Phi_a+3));", code._stop.toString());
- assertTrue(code._stop.ctrl() instanceof CProjNode);
+ assertEquals("return Phi(Loop,1,(Phi_a+3));", code.print());
+ assertTrue(code.ctrl() instanceof CProjNode);
}
@Test
@@ -142,8 +142,8 @@ return a;
""");
Node._disablePeephole = true;
code.parse();
- assertEquals("return Phi(Loop,1,2);", code._stop.expr().in(0).in(1).toString());
- assertTrue(code._stop.ctrl() instanceof CProjNode);
+ assertEquals("return Phi(Loop,1,2);", code.print());
+ assertTrue(code.ctrl() instanceof CProjNode);
Node._disablePeephole = false;
}
@@ -156,8 +156,8 @@ while(arg) a = 2;
return a;
""");
code.parse().opto();
- assertEquals("return Phi(Loop,1,2);", code._stop.toString());
- assertTrue(code._stop.ctrl() instanceof CProjNode);
+ assertEquals("return Phi(Loop,1,2);", code.print());
+ assertTrue(code.ctrl() instanceof CProjNode);
}
@Test
@@ -173,8 +173,8 @@ return a;
""");
Node._disablePeephole = true;
code.parse();
- assertEquals("return Phi(Loop,1,(Phi_a+3));", code._stop.expr().in(0).in(1).toString());
- assertTrue(code._stop.ctrl() instanceof CProjNode);
+ assertEquals("return Phi(Loop,1,(Phi_a+3));", code.print());
+ assertTrue(code.ctrl() instanceof CProjNode);
Node._disablePeephole = false;
}
@@ -190,8 +190,8 @@ while(a < 10) {
return a;
""");
code.parse().opto();
- assertEquals("return Phi(Loop,1,(Phi_a+3));", code._stop.toString());
- assertTrue(code._stop.ctrl() instanceof CProjNode);
+ assertEquals("return Phi(Loop,1,(Phi_a+3));", code.print());
+ assertTrue(code.ctrl() instanceof CProjNode);
}
@Test
@@ -208,8 +208,8 @@ return a;
""");
Node._disablePeephole = true;
code.parse();
- assertEquals("return Phi(Loop,1,(Phi_a+3));", code._stop.expr().in(0).in(1).toString());
- assertTrue(code._stop.ctrl() instanceof CProjNode);
+ assertEquals("return Phi(Loop,1,(Phi_a+3));", code.print());
+ assertTrue(code.ctrl() instanceof CProjNode);
Node._disablePeephole = false;
}
@@ -226,8 +226,8 @@ while(a < 10) {
return a;
""");
code.parse().opto();
- assertEquals("return Phi(Loop,1,(Phi_a+3));", code._stop.toString());
- assertTrue(code._stop.ctrl() instanceof CProjNode);
+ assertEquals("return Phi(Loop,1,(Phi_a+3));", code.print());
+ assertTrue(code.ctrl() instanceof CProjNode);
}
}
diff --git a/chapter18/src/test/java/com/seaofnodes/simple/Chapter08Test.java b/chapter18/src/test/java/com/seaofnodes/simple/Chapter08Test.java
index 831a3272..03a2c50a 100644
--- a/chapter18/src/test/java/com/seaofnodes/simple/Chapter08Test.java
+++ b/chapter18/src/test/java/com/seaofnodes/simple/Chapter08Test.java
@@ -2,6 +2,7 @@ package com.seaofnodes.simple;
import com.seaofnodes.simple.evaluator.Evaluator;
import com.seaofnodes.simple.node.*;
+import com.seaofnodes.simple.type.TypeInteger;
import org.junit.Assert;
import org.junit.Test;
@@ -23,10 +24,10 @@ while(arg < 10) {
return arg;
""");
code.parse().opto();
- assertEquals("return Phi(Region,Phi(Region,Phi(Loop,arg,(Phi_arg+1)),Add),Add);", code._stop.toString());
- assertTrue(code._stop.in(0) instanceof RegionNode);
- Assert.assertEquals(5L, Evaluator.evaluate(code._stop, 1));
- Assert.assertEquals(10L, Evaluator.evaluate(code._stop, 6));
+ assertEquals("return Phi(Region,Phi(Region,Phi(Loop,arg,(Phi_arg+1)),Add),Add);", code.print());
+ assertTrue(code.ctrl() instanceof RegionNode);
+ Assert.assertEquals( "5", Eval2.eval(code, 1));
+ Assert.assertEquals("10", Eval2.eval(code, 6));
}
@@ -46,8 +47,8 @@ while(arg < 10) {
return a;
""");
code.parse().opto();
- assertEquals("return Phi(Loop,1,Phi(Region,Phi_a,(Phi_a+1)));", code._stop.toString());
- assertTrue(code._stop.ctrl() instanceof CProjNode);
+ assertEquals("return Phi(Loop,1,Phi(Region,Phi_a,(Phi_a+1)));", code.print());
+ assertTrue(code.ctrl() instanceof CProjNode);
}
@@ -65,8 +66,8 @@ while(arg < 10) {
return arg;
""");
code.parse().opto();
- assertEquals("return Phi(Region,Phi(Loop,arg,(Phi_arg+1)),Add);", code._stop.toString());
- assertTrue(code._stop.ctrl() instanceof RegionNode);
+ assertEquals("return Phi(Region,Phi(Loop,arg,(Phi_arg+1)),Add);", code.print());
+ assertTrue(code.ctrl() instanceof RegionNode);
}
@Test
@@ -81,8 +82,8 @@ while(arg < 10) {
return arg;
""");
code.parse().opto();
- assertEquals("return Phi(Region,Phi(Loop,arg,(Phi_arg+1)),Add);", code._stop.toString());
- assertTrue(code._stop.ctrl() instanceof RegionNode);
+ assertEquals("return Phi(Region,Phi(Loop,arg,(Phi_arg+1)),Add);", code.print());
+ assertTrue(code.ctrl() instanceof RegionNode);
}
@@ -100,8 +101,8 @@ while(arg < 10) {
return arg;
""");
code.parse().opto();
- assertEquals("return Phi(Loop,arg,(Phi_arg+1));", code._stop.toString());
- assertTrue(code._stop.ctrl() instanceof CProjNode);
+ assertEquals("return Phi(Loop,arg,(Phi_arg+1));", code.print());
+ assertTrue(code.ctrl() instanceof CProjNode);
}
@@ -117,8 +118,8 @@ while(arg < 10) {
return arg;
""");
code.parse().opto();
- assertEquals("return Phi(Loop,arg,(Phi_arg+1));", code._stop.toString());
- assertTrue(code._stop.ctrl() instanceof CProjNode);
+ assertEquals("return Phi(Loop,arg,(Phi_arg+1));", code.print());
+ assertTrue(code.ctrl() instanceof CProjNode);
}
@Test
@@ -133,14 +134,14 @@ while( arg < 10 ) {
return arg;
""");
code.parse().opto();
- assertEquals("return arg;", code._stop.toString());
+ assertEquals("return arg;", code.print());
}
@Test
public void testRegress2() {
CodeGen code = new CodeGen("if(1) return 0; else while(arg>- -arg) arg=arg+1; return 0;");
code.parse().opto();
- assertEquals("return 0;", code._stop.toString());
+ assertEquals("return 0;", code.print());
}
@Test
@@ -168,7 +169,7 @@ while(arg < 10) {
return arg;
""");
code.parse().opto();
- assertEquals("return arg;", code._stop.toString());
+ assertEquals("return arg;", code.print());
}
@Test
@@ -185,8 +186,8 @@ while(arg < 10) {
return a;
""");
code.parse().opto();
- assertEquals("return Phi(Region,Phi(Loop,1,(Phi_a+1)),Add);", code._stop.toString());
- assertTrue(code._stop.ctrl() instanceof RegionNode);
+ assertEquals("return Phi(Region,Phi(Loop,1,(Phi_a+1)),Add);", code.print());
+ assertTrue(code.ctrl() instanceof RegionNode);
}
@Test
@@ -201,8 +202,8 @@ while(1) {
return a;
""");
code.parse().opto();
- assertEquals("return (Phi(Loop,1,Add)+1);", code._stop.toString());
- assertTrue(code._stop.ctrl() instanceof CProjNode prj && prj._idx==1 );
+ assertEquals("return (Phi(Loop,1,Add)+1);", code.print());
+ assertTrue(code.ctrl() instanceof CProjNode prj && prj._idx==1 );
}
}
diff --git a/chapter18/src/test/java/com/seaofnodes/simple/Chapter09Test.java b/chapter18/src/test/java/com/seaofnodes/simple/Chapter09Test.java
index 27cd2be7..5b764013 100644
--- a/chapter18/src/test/java/com/seaofnodes/simple/Chapter09Test.java
+++ b/chapter18/src/test/java/com/seaofnodes/simple/Chapter09Test.java
@@ -41,35 +41,31 @@ else {
return x;
""");
code.parse().opto();
- assertEquals("return Phi(Region,(arg*2),(Mul+1));", code._stop.toString());
- Assert.assertEquals(2L, Evaluator.evaluate(code._stop, 1));
- Assert.assertEquals(23L, Evaluator.evaluate(code._stop, 11));
+ assertEquals("return Phi(Region,(arg*2),(Mul+1));", code.print());
+ Assert.assertEquals( "2", Eval2.eval(code, 1));
+ Assert.assertEquals("23", Eval2.eval(code, 11));
}
@Test
public void testGVN2() {
- CodeGen code = new CodeGen(
- """
-return arg*arg-arg*arg;
- """);
+ CodeGen code = new CodeGen("return arg*arg-arg*arg;");
code.parse().opto();
- assertEquals("return 0;", code._stop.toString());
- Assert.assertEquals(0L, Evaluator.evaluate(code._stop, 1));
+ assertEquals("return 0;", code.print());
+ Assert.assertEquals("0", Eval2.eval(code, 1, 1));
}
@Test
public void testWorklist1() {
- CodeGen code = new CodeGen(
- """
+ CodeGen code = new CodeGen("""
int step = 1;
while (arg < 10) {
arg = arg + step + 1;
}
return arg;
- """);
+""");
code.parse().opto();
- assertEquals("return Phi(Loop,arg,(Phi_arg+2));", code._stop.toString());
- Assert.assertEquals(11L, Evaluator.evaluate(code._stop, 1));
+ assertEquals("return Phi(Loop,arg,(Phi_arg+2));", code.print());
+ Assert.assertEquals("11", Eval2.eval(code, 1));
}
@Test
@@ -85,8 +81,8 @@ while (arg < 10) {
return arg;
""");
code.parse().opto();
- assertEquals("return Phi(Loop,arg,(Phi_arg+4));", code._stop.toString());
- Assert.assertEquals(13L, Evaluator.evaluate(code._stop, 1));
+ assertEquals("return Phi(Loop,arg,(Phi_arg+4));", code.print());
+ Assert.assertEquals("13", Eval2.eval(code, 1));
}
@Test
@@ -114,7 +110,7 @@ while (arg) {
return arg;
""");
code.parse().opto();
- assertEquals("return 0;", code._stop.toString());
+ assertEquals("return 0;", code.print());
}
@Test
@@ -132,14 +128,14 @@ while(v1+arg) {
}
""");
code.parse().opto();
- assertEquals("return 0;", code._stop.toString());
+ assertEquals("return 0;", code.print());
}
@Test
public void testWhile0() {
CodeGen code = new CodeGen("while(0) continue; if(0) arg=0;");
code.parse().opto();
- assertEquals("return 0;", code._stop.toString());
+ assertEquals("return 0;", code.print());
}
@Test
@@ -151,7 +147,7 @@ if(0) while(0) {
}
""");
code.parse().opto();
- assertEquals("return 0;", code._stop.toString());
+ assertEquals("return 0;", code.print());
}
@@ -159,14 +155,14 @@ if(0) while(0) {
public void testPrecedence() {
CodeGen code = new CodeGen("return 3-1+2;");
code.parse().opto();
- assertEquals("return 4;", code._stop.toString());
+ assertEquals("return 4;", code.print());
}
@Test
public void testSwap2() {
CodeGen code = new CodeGen("return 1+(1+1);");
code.parse().opto();
- assertEquals("return 3;", code._stop.toString());
+ assertEquals("return 3;", code.print());
}
@@ -184,7 +180,7 @@ while(arg) {
return a;
""");
code.parse().opto();
- assertEquals("return Phi(Loop,0,(-(Phi_a+3)));", code._stop.toString());
+ assertEquals("return Phi(Loop,0,(-(Phi_a+3)));", code.print());
}
@Test
@@ -198,7 +194,7 @@ int v0=0!=0<-0;
return -0+0+0;
""");
code.parse().opto();
- assertEquals("return 0;", code._stop.toString());
+ assertEquals("return 0;", code.print());
}
@@ -206,14 +202,14 @@ return -0+0+0;
public void testFuzz2() {
CodeGen code = new CodeGen("return 0+-0;");
code.parse().opto();
- assertEquals("return 0;", code._stop.toString());
+ assertEquals("return 0;", code.print());
}
@Test
public void testFuzz3() {
CodeGen code = new CodeGen("int v0=0; while(0==69) while(v0) return 0;");
code.parse().opto();
- assertEquals("return 0;", code._stop.toString());
+ assertEquals("return 0;", code.print());
}
@Test
@@ -225,7 +221,7 @@ while(1) {
}
""");
code.parse().opto();
- assertEquals("return Top;", code._stop.toString());
+ assertEquals("return Top;", code.print());
}
@Test
@@ -247,7 +243,7 @@ while(1) {
return 0!=0;
""");
code.parse().opto();
- assertEquals("return 0;", code._stop.toString());
+ assertEquals("return 0;", code.print());
}
@Test
@@ -259,7 +255,7 @@ while(0==1) while(v0)
v0=1+v0;
""");
code.parse().opto();
- assertEquals("return ~int;", code._stop.toString());
+ assertEquals("return ~int;", code.print());
}
@Test
@@ -275,14 +271,14 @@ while(1)
return v1+v0;
""");
code.parse().opto();
- assertEquals("return Top;", code._stop.toString());
+ assertEquals("return Top;", code.print());
}
@Test
public void testFuzz8() {
CodeGen code = new CodeGen("while(arg) arg = arg - 1; return arg;");
code.parse().opto();
- assertEquals("return 0;", code._stop.toString());
+ assertEquals("return 0;", code.print());
}
@Test
diff --git a/chapter18/src/test/java/com/seaofnodes/simple/Chapter10Test.java b/chapter18/src/test/java/com/seaofnodes/simple/Chapter10Test.java
index 461c8ed8..1f6df190 100644
--- a/chapter18/src/test/java/com/seaofnodes/simple/Chapter10Test.java
+++ b/chapter18/src/test/java/com/seaofnodes/simple/Chapter10Test.java
@@ -1,7 +1,5 @@
package com.seaofnodes.simple;
-import com.seaofnodes.simple.evaluator.Evaluator;
-import com.seaofnodes.simple.node.StopNode;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
@@ -30,7 +28,7 @@ int r = g+h;
return p-r;
""");
code.parse().opto();
- assertEquals("return 0;", code._stop.toString());
+ assertEquals("return 0;", code.print());
}
@Test
@@ -50,7 +48,7 @@ bar.a = 2;
return bar.a;
""");
code.parse().opto();
- assertEquals("return 2;", code._stop.toString());
+ assertEquals("return 2;", code.print());
}
@Test
@@ -66,7 +64,7 @@ else
return v;
""");
code.parse().opto();
- assertEquals("return Vector2D;", code._stop.toString());
+ assertEquals("return Vector2D;", code.print());
}
@Test
@@ -104,7 +102,7 @@ while (arg) {
return bar.a;
""");
code.parse().opto();
- assertEquals("return Phi(Loop,0,(Phi_a+2));", code._stop.toString());
+ assertEquals("return Phi(Loop,0,(Phi_a+2));", code.print());
}
@Test
@@ -156,7 +154,7 @@ if( bar ) bar.a = 1;
return bar;
""");
code.parse().opto();
- assertEquals("return Phi(Region,null,Bar);", code._stop.toString());
+ assertEquals("return Phi(Region,null,Bar);", code.print());
}
@Test
@@ -172,7 +170,7 @@ else bar.a = 1;
return rez;
""");
code.parse().opto();
- assertEquals("return Phi(Region,4,3);", code._stop.toString());
+ assertEquals("return Phi(Region,4,3);", code.print());
}
@Test
@@ -226,7 +224,7 @@ while( i.x < i.len ) {
return sum;
""");
code.parse().opto();
- assertEquals("return Phi(Loop,0,(Phi(Loop,0,(Phi_x+1))+Phi_sum));", code._stop.toString());
+ assertEquals("return Phi(Loop,0,(Phi(Loop,0,(Phi_x+1))+Phi_sum));", code.print());
}
@@ -245,7 +243,7 @@ while(arg) {
return ret;
""");
code.parse().opto();
- assertEquals("return Phi(Loop,s0,Phi(Region,s0,Phi_ret));", code._stop.toString());
+ assertEquals("return Phi(Loop,s0,Phi(Region,s0,Phi_ret));", code.print());
}
@Test
@@ -263,7 +261,7 @@ while(arg) {
return ret;
""");
code.parse().opto();
- assertEquals("return Phi(Loop,s0,Phi(Region,s0,Phi_ret));", code._stop.toString());
+ assertEquals("return Phi(Loop,s0,Phi(Region,s0,Phi_ret));", code.print());
}
@@ -280,7 +278,7 @@ while(arg < 10) {
return ret;
""");
code.parse().opto();
- assertEquals("return Phi(Loop,s0,Phi(Region,s0,Phi_ret));", code._stop.toString());
+ assertEquals("return Phi(Loop,s0,Phi(Region,s0,Phi_ret));", code.print());
}
@Test
@@ -291,8 +289,8 @@ return new s0;
int v0=null.f0;
""");
code.parse().opto();
- assertEquals("return s0;", code._stop.toString());
- assertEquals("Obj<s0>{f0=0}", Evaluator.evaluate(code._stop, 0).toString());
+ assertEquals("return s0;", code.print());
+ assertEquals("s0{f0=0}", Eval2.eval(code, 0));
}
@Test
@@ -308,7 +306,7 @@ if(0) {
}
""");
code.parse().opto();
- assertEquals("return 0;", code._stop.toString());
+ assertEquals("return 0;", code.print());
}
@Test
@@ -322,7 +320,7 @@ else return new s0;
if(new s0.f0) return 0;
""");
code.parse().opto();
- assertEquals("return s0;", code._stop.toString());
+ assertEquals("return s0;", code.print());
}
@Test
@@ -350,7 +348,7 @@ s0 v1 = v0;
return v1;
""");
code.parse().opto();
- assertEquals("return (const)s0;", code._stop.toString());
+ assertEquals("return (const)s0;", code.print());
}
@@ -382,7 +380,7 @@ while(0) {}
}
""");
code.parse().opto();
- assertEquals("return 0;", code._stop.toString());
+ assertEquals("return 0;", code.print());
}
@Test
@@ -393,7 +391,7 @@ while(v0) continue;
return 0;
""");
code.parse().opto();
- assertEquals("return 0;", code._stop.toString());
+ assertEquals("return 0;", code.print());
}
}
diff --git a/chapter18/src/test/java/com/seaofnodes/simple/Chapter11Test.java b/chapter18/src/test/java/com/seaofnodes/simple/Chapter11Test.java
index 2854941f..0b24bd5d 100644
--- a/chapter18/src/test/java/com/seaofnodes/simple/Chapter11Test.java
+++ b/chapter18/src/test/java/com/seaofnodes/simple/Chapter11Test.java
@@ -1,6 +1,5 @@
package com.seaofnodes.simple;
-import com.seaofnodes.simple.evaluator.Evaluator;
import org.junit.Test;
@@ -290,8 +289,8 @@ else {
}
}
""");
- code.parse().opto().typeCheck().codegen();
- assertEquals("return Phi(Region,9,Top,Top,Top,Top);", code._stop.toString());
+ code.parse().opto().typeCheck().GCM();
+ assertEquals("return Phi(Region,9,Top,Top,Top,Top);", code.print());
}
@@ -323,13 +322,13 @@ while( prime <= arg ) {
return primeCount;
""");
code.parse().opto();
- assertEquals("return Phi(Region,0,Phi(Loop,1,Phi(Region,Phi_primeCount,Phi(Region,(Phi_primeCount+1),Phi_primeCount))));", code._stop.toString());
- assertEquals(0L, Evaluator.evaluate(code._stop, 1)); // No primes 1 or below
- assertEquals(1L, Evaluator.evaluate(code._stop, 2)); // 2
- assertEquals(2L, Evaluator.evaluate(code._stop, 3)); // 2, 3
- assertEquals(2L, Evaluator.evaluate(code._stop, 4)); // 2, 3
- assertEquals(3L, Evaluator.evaluate(code._stop, 5)); // 2, 3, 5
- assertEquals(4L, Evaluator.evaluate(code._stop, 10)); // 2, 3, 5, 7
+ assertEquals("return Phi(Region,0,Phi(Loop,1,Phi(Region,Phi_primeCount,Phi(Region,(Phi_primeCount+1),Phi_primeCount))));", code.print());
+ assertEquals("0", Eval2.eval(code, 1)); // No primes 1 or below
+ assertEquals("1", Eval2.eval(code, 2)); // 2
+ assertEquals("2", Eval2.eval(code, 3)); // 2, 3
+ assertEquals("2", Eval2.eval(code, 4)); // 2, 3
+ assertEquals("3", Eval2.eval(code, 5)); // 2, 3, 5
+ assertEquals("4", Eval2.eval(code, 10)); // 2, 3, 5, 7
}
@Test
@@ -345,9 +344,9 @@ if (arg) v.f=1;
return i;
""");
code.parse().opto();
- assertEquals("return 2;", code._stop.toString());
- assertEquals(2L, Evaluator.evaluate(code._stop, 0));
- assertEquals(2L, Evaluator.evaluate(code._stop, 1));
+ assertEquals("return 2;", code.print());
+ assertEquals("2", Eval2.eval(code, 0));
+ assertEquals("2", Eval2.eval(code, 1));
}
@Test
@@ -368,7 +367,7 @@ if (arg) {
return i;
""");
code.parse().opto();
- assertEquals("return Phi(Region,.f,0);", code._stop.toString());
+ assertEquals("return Phi(Region,.f,0);", code.print());
}
@Test
@@ -387,7 +386,7 @@ if (v1) {
return v0;
""");
code.parse().opto();
- assertEquals("return S;", code._stop.toString());
+ assertEquals("return S;", code.print());
}
@@ -405,7 +404,7 @@ while (arg) v.f = 2;
return i;
""");
code.parse().opto();
- assertEquals("return arg;", code._stop.toString());
+ assertEquals("return arg;", code.print());
}
@Test
@@ -422,7 +421,7 @@ while(1) {
return v;
""");
code.parse().opto();
- assertEquals("return S;", code._stop.toString());
+ assertEquals("return S;", code.print());
}
@Test
@@ -437,7 +436,7 @@ while(1)
arg = arg+ptr.v;
""");
code.parse().opto();
- assertEquals("return Top;", code._stop.toString());
+ assertEquals("return Top;", code.print());
}
@Test
@@ -455,7 +454,7 @@ while (arg) {
return i;
""");
code.parse().opto();
- assertEquals("return 0;", code._stop.toString());
+ assertEquals("return 0;", code.print());
}
@Test
@@ -475,7 +474,7 @@ while(arg) {
return arg;
""");
code.parse().opto();
- assertEquals("return 0;", code._stop.toString());
+ assertEquals("return 0;", code.print());
}
@Test
@@ -493,7 +492,7 @@ if (arg) {
return v;
""");
code.parse().opto();
- assertEquals("return S;", code._stop.toString());
+ assertEquals("return S;", code.print());
}
@Test
@@ -512,7 +511,7 @@ while (arg > 0) {
return v;
""");
code.parse().opto();
- //assertEquals("return new S;", code._stop.toString());
+ //assertEquals("return new S;", code.print());
}
@Test
@@ -529,7 +528,7 @@ while(0>=0) {
return 0;
""");
code.parse().opto();
- assertEquals("return Top;", code._stop.toString());
+ assertEquals("return Top;", code.print());
}
@Test
@@ -547,7 +546,7 @@ u32 v0=0;
}
""");
code.parse().opto();
- assertEquals("return 0;", code._stop.toString());
+ assertEquals("return 0;", code.print());
}
}
diff --git a/chapter18/src/test/java/com/seaofnodes/simple/Chapter12Test.java b/chapter18/src/test/java/com/seaofnodes/simple/Chapter12Test.java
index b5b6405c..21df8205 100644
--- a/chapter18/src/test/java/com/seaofnodes/simple/Chapter12Test.java
+++ b/chapter18/src/test/java/com/seaofnodes/simple/Chapter12Test.java
@@ -15,8 +15,8 @@ public class Chapter12Test {
return 3.14;
""");
code.parse().opto();
- assertEquals("return 3.14;", code._stop.toString());
- assertEquals(3.14, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 3.14;", code.print());
+ assertEquals("3.14", Eval2.eval(code, 0));
}
@Test
@@ -26,8 +26,8 @@ return 3.14;
return 3.14;
""");
code.parse().opto();
- assertEquals("return 3.14;", code._stop.toString());
- assertEquals(3.14, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 3.14;", code.print());
+ assertEquals("3.14", Eval2.eval(code, 0));
}
@Test
@@ -43,9 +43,9 @@ while( 1 ) {
return guess;
""");
code.parse().opto();
- assertEquals("return Phi(Loop,(flt)arg,(((ToFloat/Phi_guess)+Phi_guess)/2.0f));", code._stop.toString());
- assertEquals(3.0, Evaluator.evaluate(code._stop, 9));
- assertEquals(1.414213562373095, Evaluator.evaluate(code._stop, 2));
+ assertEquals("return Phi(Loop,(flt)arg,(((ToFloat/Phi_guess)+Phi_guess)/2.0f));", code.print());
+ assertEquals("3.0", Eval2.eval(code, 9));
+ assertEquals("1.414213562373095", Eval2.eval(code, 2));
}
@Test
@@ -56,7 +56,7 @@ flt x = arg;
return x+1==x;
""");
code.parse().opto();
- assertEquals("return ((flt)arg==(ToFloat+1.0f));", code._stop.toString());
- assertEquals(0L, Evaluator.evaluate(code._stop, 1));
+ assertEquals("return ((flt)arg==(ToFloat+1.0f));", code.print());
+ assertEquals("0", Eval2.eval(code, 1));
}
}
diff --git a/chapter18/src/test/java/com/seaofnodes/simple/Chapter13Test.java b/chapter18/src/test/java/com/seaofnodes/simple/Chapter13Test.java
index ca811a2a..645c066a 100644
--- a/chapter18/src/test/java/com/seaofnodes/simple/Chapter13Test.java
+++ b/chapter18/src/test/java/com/seaofnodes/simple/Chapter13Test.java
@@ -1,6 +1,5 @@
package com.seaofnodes.simple;
-import com.seaofnodes.simple.evaluator.Evaluator;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
@@ -13,8 +12,8 @@ public class Chapter13Test {
return 3.14;
""");
code.parse().opto();
- assertEquals("return 3.14;", code._stop.toString());
- assertEquals(3.14, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 3.14;", code.print());
+ assertEquals("3.14", Eval2.eval(code, 0));
}
@Test
@@ -55,8 +54,8 @@ if( next==null ) return 1;
return next.i;
""");
code.parse().opto();
- assertEquals("return Phi(Region,0,1,.i);", code._stop.toString());
- assertEquals(2L, Evaluator.evaluate(code._stop, 3));
+ assertEquals("return Phi(Region,0,1,.i);", code.print());
+ assertEquals("2", Eval2.eval(code, 3));
}
@Test
@@ -74,7 +73,7 @@ f0.i = i0;
return f0.i.f.i.i;
""");
code.parse().opto();
- assertEquals("return 17;", code._stop.toString());
+ assertEquals("return 17;", code.print());
}
@Test
@@ -86,7 +85,7 @@ N n = new N;
return n.next;
""");
code.parse().opto();
- assertEquals("return null;", code._stop.toString());
+ assertEquals("return null;", code.print());
}
@Test
@@ -99,7 +98,7 @@ N n = new N { next = new M; };
return n.next;
""");
code.parse().opto();
- assertEquals("return (const)M;", code._stop.toString());
+ assertEquals("return (const)M;", code.print());
}
@Test
@@ -135,8 +134,8 @@ return n.i;
struct S{};
""");
code.parse().opto();
- assertEquals("return 0;", code._stop.toString());
- assertEquals(0L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 0;", code.print());
+ assertEquals("0", Eval2.eval(code, 0));
}
@Test
@@ -159,7 +158,7 @@ struct S2 { int x; };
return new S1.s=new S2;
""");
code.parse().opto();
- assertEquals("return S2;", code._stop.toString());
+ assertEquals("return S2;", code.print());
}
@Test
diff --git a/chapter18/src/test/java/com/seaofnodes/simple/Chapter14Test.java b/chapter18/src/test/java/com/seaofnodes/simple/Chapter14Test.java
index 41fb546d..a3025001 100644
--- a/chapter18/src/test/java/com/seaofnodes/simple/Chapter14Test.java
+++ b/chapter18/src/test/java/com/seaofnodes/simple/Chapter14Test.java
@@ -1,6 +1,5 @@
package com.seaofnodes.simple;
-import com.seaofnodes.simple.evaluator.Evaluator;
import com.seaofnodes.simple.node.StopNode;
import org.junit.Test;
@@ -16,8 +15,8 @@ public class Chapter14Test {
return 3.14;
""");
code.parse().opto();
- assertEquals("return 3.14;", code._stop.toString());
- assertEquals(3.14, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 3.14;", code.print());
+ assertEquals("3.14", Eval2.eval(code, 0));
}
@Test
@@ -32,8 +31,8 @@ if( b > 2 ) c = 1;
return c;
""");
code.parse().opto();
- assertEquals("return 99;", code._stop.toString());
- assertEquals(99L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 99;", code.print());
+ assertEquals("99", Eval2.eval(code, 0));
}
@Test
@@ -45,8 +44,8 @@ b = b + 456;// Truncate
return b;
""");
code.parse().opto();
- assertEquals("return 67;", code._stop.toString());
- assertEquals(67L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 67;", code.print());
+ assertEquals("67", Eval2.eval(code, 0));
}
@@ -59,7 +58,7 @@ while( b ) b = b + 456;// Truncate
return b;
""");
code.parse().opto();
- assertEquals("return 0;", code._stop.toString());
+ assertEquals("return 0;", code.print());
}
@Test
@@ -72,8 +71,8 @@ u1 c = b; // No more truncate needed
return c;
""");
code.parse().opto();
- assertEquals("return 1;", code._stop.toString());
- assertEquals(1L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 1;", code.print());
+ assertEquals("1", Eval2.eval(code, 0));
}
@Test
@@ -85,8 +84,8 @@ b = b+456 & 31; // Precedence
return b;
""");
code.parse().opto();
- assertEquals("return 3;", code._stop.toString());
- assertEquals(3L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 3;", code.print());
+ assertEquals("3", Eval2.eval(code, 0));
}
@Test
@@ -99,8 +98,8 @@ f.b = 123;
return f.b;
""");
code.parse().opto();
- assertEquals("return 1;", code._stop.toString());
- assertEquals(1L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 1;", code.print());
+ assertEquals("1", Eval2.eval(code, 0));
}
@Test
@@ -111,8 +110,8 @@ i8 b = 255; // Chopped
return b; // Sign extend
""");
code.parse().opto();
- assertEquals("return -1;", code._stop.toString());
- assertEquals(-1L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return -1;", code.print());
+ assertEquals("-1", Eval2.eval(code, 0));
}
@Test
@@ -124,9 +123,9 @@ b = b + 1;// Truncate
return b;
""");
code.parse().opto();
- assertEquals("return (((((arg<<56)>>56)+1)<<56)>>56);", code._stop.toString());
- assertEquals(1L, Evaluator.evaluate(code._stop, 0));
- assertEquals(-128L, Evaluator.evaluate(code._stop, 127));
+ assertEquals("return (((((arg<<56)>>56)+1)<<56)>>56);", code.print());
+ assertEquals("1", Eval2.eval(code, 0));
+ assertEquals("-128", Eval2.eval(code, 127));
}
@Test
@@ -138,8 +137,8 @@ int c = 123456789 & mask;
return c; //
""");
code.parse().opto();
- assertEquals("return 52501;", code._stop.toString());
- assertEquals(52501L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 52501;", code.print());
+ assertEquals("52501", Eval2.eval(code, 0));
}
@Test
@@ -149,8 +148,8 @@ return c; //
return (arg | 123 ^ 456) >>> 1;
""");
code.parse().opto();
- assertEquals("return (((arg|123)^456)>>>1);", code._stop.toString());
- assertEquals(217L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return (((arg|123)^456)>>>1);", code.print());
+ assertEquals("217", Eval2.eval(code, 0));
}
@Test
@@ -175,8 +174,8 @@ while(v1) break;
return v1;
""");
code.parse().opto();
- assertEquals("return (Phi(Loop,((1<<arg)&1),0)&Phi(Loop,Shl,4294967295));", code._stop.toString());
- assertEquals(1L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return (Phi(Loop,((1<<arg)&1),0)&Phi(Loop,Shl,4294967295));", code.print());
+ assertEquals("1", Eval2.eval(code, 0));
}
@Test
@@ -194,8 +193,8 @@ if(0&0>>>0) {
return v0;
""");
code.parse().opto();
- assertEquals("return 0;", code._stop.toString());
- assertEquals(0L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 0;", code.print());
+ assertEquals("0", Eval2.eval(code, 0));
}
@Test
@@ -220,8 +219,8 @@ f32 ff32 = 3.141592653589793; if( ff32 != 3.1415927410125732) return 5;
return 0;
""");
code.parse().opto();
- assertEquals("return 0;", code._stop.toString());
- assertEquals(0L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 0;", code.print());
+ assertEquals("0", Eval2.eval(code, 0));
}
}
diff --git a/chapter18/src/test/java/com/seaofnodes/simple/Chapter15Test.java b/chapter18/src/test/java/com/seaofnodes/simple/Chapter15Test.java
index fc9624d8..86f5007d 100644
--- a/chapter18/src/test/java/com/seaofnodes/simple/Chapter15Test.java
+++ b/chapter18/src/test/java/com/seaofnodes/simple/Chapter15Test.java
@@ -1,7 +1,5 @@
package com.seaofnodes.simple;
-import com.seaofnodes.simple.evaluator.Evaluator;
-import com.seaofnodes.simple.node.StopNode;
import org.junit.Test;
import static org.junit.Assert.*;
@@ -14,8 +12,8 @@ public class Chapter15Test {
return 3.14;
""");
code.parse().opto();
- assertEquals("return 3.14;", code._stop.toString());
- assertEquals(3.14, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 3.14;", code.print());
+ assertEquals("3.14", Eval2.eval(code, 0));
}
@Test
@@ -28,8 +26,8 @@ c.l = c;
return c;
""");
code.parse().opto();
- assertEquals("return C;", code._stop.toString());
- assertEquals("Obj<C>@1{l=obj@1}", Evaluator.evaluate(code._stop, 0).toString());
+ assertEquals("return C;", code.print());
+ assertEquals("C{l=$cyclic}", Eval2.eval(code, 0));
}
@Test
@@ -47,8 +45,8 @@ output[i] = 1;
return output;
""");
code.parse().opto();
- assertEquals("return [u8];", code._stop.toString());
- assertEquals("\u0001", Evaluator.evaluate(code._stop, 0).toString());
+ assertEquals("return [u8];", code.print());
+ assertEquals("\u0001", Eval2.eval(code, 0));
}
@Test
@@ -59,8 +57,8 @@ int[] is = new int[2];
return is[1];
""");
code.parse().opto();
- assertEquals("return 0;", code._stop.toString());
- assertEquals(0L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 0;", code.print());
+ assertEquals("0", Eval2.eval(code, 0));
}
@Test
@@ -72,8 +70,8 @@ int[] is2 = new int[2];
return is[1];
""");
code.parse().opto();
- assertEquals("return 0;", code._stop.toString());
- assertEquals(0L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 0;", code.print());
+ assertEquals("0", Eval2.eval(code, 0));
}
@Test
@@ -86,8 +84,8 @@ a[1] = 2;
return a[0];
""");
code.parse().opto();
- assertEquals("return 1;", code._stop.toString());
- assertEquals(1L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 1;", code.print());
+ assertEquals("1", Eval2.eval(code, 0));
}
@Test
@@ -99,8 +97,8 @@ A?[] !a = new A?[2];
return a;
""");
code.parse().opto();
- assertEquals("return [*A?];", code._stop.toString());
- assertEquals("Obj<[*A?]>{#=2,[]=[null,null]}", Evaluator.evaluate(code._stop, 0).toString());
+ assertEquals("return [*A?];", code.print());
+ assertEquals("*A {int !i; }?[ null,null]", Eval2.eval(code, 0));
}
@Test
@@ -128,9 +126,9 @@ else {
return rez;
""");
code.parse().opto();
- assertEquals("return Phi(Region,1.2,Phi(Region,2.3,3.14));", code._stop.toString());
- assertEquals(3.14, Evaluator.evaluate(code._stop, 0));
- assertEquals(1.2 , Evaluator.evaluate(code._stop, 1));
+ assertEquals("return Phi(Region,1.2,Phi(Region,2.3,.y));", code.print());
+ assertEquals("3.14", Eval2.eval(code, 0));
+ assertEquals("1.2", Eval2.eval(code, 1));
}
@Test
@@ -169,8 +167,8 @@ root._kids[0] = new Tree;
return root;
""");
code.parse().opto();
- assertEquals("return Tree;", code._stop.toString());
- assertEquals("Obj<Tree>{_kids=Obj<[*Tree?]>{#=2,[]=[Obj<Tree>{_kids=null},null]}}", Evaluator.evaluate(code._stop, 0).toString());
+ assertEquals("return Tree;", code.print());
+ assertEquals("Tree{_kids=*Tree?[ Tree{_kids=null},null]}", Eval2.eval(code, 0));
}
@Test
@@ -181,7 +179,7 @@ struct S { int a; int[] b; };
return 0;
""");
code.parse().opto();
- assertEquals("return 0;", code._stop.toString());
+ assertEquals("return 0;", code.print());
}
@Test
@@ -204,8 +202,8 @@ while( i < ary# - 1 ) {
return ary[1] * 1000 + ary[3]; // 1 * 1000 + 6
""");
code.parse().opto();
- assertEquals("return (.[]+(.[]*1000));", code._stop.toString());
- assertEquals(1006L, Evaluator.evaluate(code._stop, 4));
+ assertEquals("return (.[]+(.[]*1000));", code.print());
+ assertEquals("1006", Eval2.eval(code, 4));
}
@Test
@@ -245,13 +243,8 @@ while( j < nprimes ) {
return rez;
""");
code.parse().opto();
- assertEquals("return [int];", code._stop.toString());
- Evaluator.Obj obj = (Evaluator.Obj)Evaluator.evaluate(code._stop, 20);
- assertEquals("[int] {int #; int ![]; }",obj.struct().toString());
- long nprimes = (Long)obj.fields()[0];
- long[] primes = new long[]{2,3,5,7,11,13,17,19};
- for( int i=0; i<nprimes; i++ )
- assertEquals(primes[i],(long)(Long)obj.fields()[i+1]);
+ assertEquals("return [int];", code.print());
+ assertEquals("int[ 2,3,5,7,11,13,17,19]",Eval2.eval(code, 20));
}
@Test
@@ -267,8 +260,8 @@ if (arg) s1 = new S;
return s1.i + s1.f;
""");
code.parse().opto();
- assertEquals("return ((flt).i+.f);", code._stop.toString());
- assertEquals(0.0, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return ((flt).i+.f);", code.print());
+ assertEquals("0.0", Eval2.eval(code, 0));
}
@@ -311,11 +304,11 @@ int[] is = new int[arg];
return is[1];
""");
code.parse().opto();
- assertEquals("return 0;", code._stop.toString());
- assertEquals(0L, Evaluator.evaluate(code._stop, 4));
- try { Evaluator.evaluate(code._stop,0); }
+ assertEquals("return 0;", code.print());
+ assertEquals("0", Eval2.eval(code, 4));
+ try { Eval2.eval(code,0); }
catch( ArrayIndexOutOfBoundsException e ) { assertEquals("Array index 1 out of bounds for array length 0",e.getMessage()); }
- try { Evaluator.evaluate(code._stop,-1); }
+ try { Eval2.eval(code,-1); }
catch( NegativeArraySizeException e ) { assertEquals("-1",e.getMessage()); }
}
@@ -341,8 +334,8 @@ while(v5+(0&0)) {
return v1;
""");
code.parse().opto();
- assertEquals("return 0;", code._stop.toString());
- assertEquals(0L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 0;", code.print());
+ assertEquals("0", Eval2.eval(code, 0));
}
@Test
@@ -356,7 +349,7 @@ int v8=0;
while(0<--1>>>---(v7*0==v8)) {}
""");
code.parse().opto();
- assertEquals("return 0;", code._stop.toString());
+ assertEquals("return 0;", code.print());
}
@@ -380,6 +373,6 @@ else {
}
""");
code.parse().opto();
- assertEquals("return 0;", code._stop.toString());
+ assertEquals("return 0;", code.print());
}
}
diff --git a/chapter18/src/test/java/com/seaofnodes/simple/Chapter16Test.java b/chapter18/src/test/java/com/seaofnodes/simple/Chapter16Test.java
index 255a721a..ad3dc690 100644
--- a/chapter18/src/test/java/com/seaofnodes/simple/Chapter16Test.java
+++ b/chapter18/src/test/java/com/seaofnodes/simple/Chapter16Test.java
@@ -15,8 +15,8 @@ public class Chapter16Test {
return 3.14;
""");
code.parse().opto();
- assertEquals("return 3.14;", code._stop.toString());
- assertEquals(3.14, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 3.14;", code.print());
+ assertEquals("3.14", Eval2.eval(code, 0));
}
@@ -28,8 +28,8 @@ int x, y;
return x+y;
""");
code.parse().opto();
- assertEquals("return 0;", code._stop.toString());
- assertEquals(0L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 0;", code.print());
+ assertEquals("0", Eval2.eval(code, 0));
}
@Test
public void testMulti1() {
@@ -39,8 +39,8 @@ int x=2, y=x+1;
return x+y;
""");
code.parse().opto();
- assertEquals("return 5;", code._stop.toString());
- assertEquals(5L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 5;", code.print());
+ assertEquals("5", Eval2.eval(code, 0));
}
// @Test
@@ -64,9 +64,9 @@ if( arg ) { int x = y; x = x*x; y=x; } // Shadow final x
return y;
""");
code.parse().opto();
- assertEquals("return Phi(Region,9,3);", code._stop.toString());
- assertEquals(3L, Evaluator.evaluate(code._stop, 0));
- assertEquals(9L, Evaluator.evaluate(code._stop, 1));
+ assertEquals("return Phi(Region,9,3);", code.print());
+ assertEquals("3", Eval2.eval(code, 0));
+ assertEquals("9", Eval2.eval(code, 1));
}
@Test
@@ -77,8 +77,8 @@ X z = new X;
return z.x;
""");
code.parse().opto();
- assertEquals("return 3;", code._stop.toString());
- assertEquals(3L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 3;", code.print());
+ assertEquals("3", Eval2.eval(code, 0));
}
@Test
@@ -89,8 +89,8 @@ X z = new X { x=3; };
return z.x;
""");
code.parse().opto();
- assertEquals("return 3;", code._stop.toString());
- assertEquals(3L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 3;", code.print());
+ assertEquals("3", Eval2.eval(code, 0));
}
@Test
@@ -101,8 +101,8 @@ X z = new X { x = 4; };
return z.x;
""");
code.parse().opto();
- assertEquals("return 4;", code._stop.toString());
- assertEquals(4L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 4;", code.print());
+ assertEquals("4", Eval2.eval(code, 0));
}
@@ -114,8 +114,8 @@ Point p = new Point { x=3; y=4; };
return p;
""");
code.parse().opto();
- assertEquals("return (const)Point;", code._stop.toString());
- assertEquals("Obj<Point>{x=3,y=4}", Evaluator.evaluate(code._stop, 0).toString());
+ assertEquals("return (const)Point;", code.print());
+ assertEquals("Point{x=3,y=4}", Eval2.eval(code, 0));
}
@Test
@@ -175,8 +175,8 @@ p.x++;
return p;
""");
code.parse().opto();
- assertEquals("return Point;", code._stop.toString());
- assertEquals("Obj<Point>{x=4,y=4}", Evaluator.evaluate(code._stop, 0).toString());
+ assertEquals("return Point;", code.print());
+ assertEquals("Point{x=4,y=4}", Eval2.eval(code, 0));
}
// Same as the Chapter13 test with the same name, but using the new
@@ -197,10 +197,10 @@ if( !next ) return 1;
return next.i;
""");
code.parse().opto();
- assertEquals("return Phi(Region,0,1,.i);", code._stop.toString());
- assertEquals(0L, Evaluator.evaluate(code._stop, 0));
- assertEquals(1L, Evaluator.evaluate(code._stop, 1));
- assertEquals(2L, Evaluator.evaluate(code._stop, 3));
+ assertEquals("return Phi(Region,0,1,.i);", code.print());
+ assertEquals("0", Eval2.eval(code, 0));
+ assertEquals("1", Eval2.eval(code, 1));
+ assertEquals("2", Eval2.eval(code, 3));
}
@Test
@@ -228,10 +228,10 @@ if( !next ) return 1;
return next.i;
""");
code.parse().opto();
- assertEquals("return Phi(Region,0,1,.i);", code._stop.toString());
- assertEquals(0L, Evaluator.evaluate(code._stop, 0));
- assertEquals(1L, Evaluator.evaluate(code._stop, 1));
- assertEquals(2L, Evaluator.evaluate(code._stop, 11));
+ assertEquals("return Phi(Region,0,1,.i);", code.print());
+ assertEquals("0", Eval2.eval(code, 0));
+ assertEquals("1", Eval2.eval(code, 1));
+ assertEquals("2", Eval2.eval(code, 11));
}
@Test
@@ -253,8 +253,8 @@ struct Square {
return new Square;
""");
code.parse().opto();
- assertEquals("return Square;", code._stop.toString());
- assertEquals("Obj<Square>{side=3.0,diag=1.7320508075688772}", Evaluator.evaluate(code._stop, 3).toString());
- assertEquals("Obj<Square>{side=4.0,diag=2.0}", Evaluator.evaluate(code._stop, 4).toString());
+ assertEquals("return Square;", code.print());
+ assertEquals("Square{side=3.0,diag=1.7320508075688772}", Eval2.eval(code, 3));
+ assertEquals("Square{side=4.0,diag=2.0}", Eval2.eval(code, 4));
}
}
diff --git a/chapter18/src/test/java/com/seaofnodes/simple/Chapter17Test.java b/chapter18/src/test/java/com/seaofnodes/simple/Chapter17Test.java
index 06eb150d..4bcb9daa 100644
--- a/chapter18/src/test/java/com/seaofnodes/simple/Chapter17Test.java
+++ b/chapter18/src/test/java/com/seaofnodes/simple/Chapter17Test.java
@@ -1,9 +1,6 @@
package com.seaofnodes.simple;
-import com.seaofnodes.simple.evaluator.Evaluator;
-import com.seaofnodes.simple.node.StopNode;
import org.junit.Test;
-import org.junit.Ignore;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
@@ -18,8 +15,8 @@ return i;
//return 3.14;
""");
code.parse().opto();
- assertEquals("return 1;", code._stop.toString());
- assertEquals(1L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 1;", code.print());
+ assertEquals("1", Eval2.eval(code, 0));
}
@@ -30,8 +27,8 @@ return i;
return arg++;
""");
code.parse().opto();
- assertEquals("return arg;", code._stop.toString());
- assertEquals(0L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return arg;", code.print());
+ assertEquals("0", Eval2.eval(code, 0));
}
@Test
@@ -40,8 +37,8 @@ return arg++;
return arg+++arg++;
""");
code.parse().opto();
- assertEquals("return ((arg*2)+1);", code._stop.toString());
- assertEquals(1L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return ((arg*2)+1);", code.print());
+ assertEquals("1", Eval2.eval(code, 0));
}
@Test
@@ -51,8 +48,8 @@ return arg+++arg++;
return -arg---arg--;
""");
code.parse().opto();
- assertEquals("return (-((arg*2)+-1));", code._stop.toString());
- assertEquals(1L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return (-((arg*2)+-1));", code.print());
+ assertEquals("1", Eval2.eval(code, 0));
}
@Test
@@ -64,8 +61,8 @@ xs[1]++;
return xs[0];
""");
code.parse().opto();
- assertEquals("return 1;", code._stop.toString());
- assertEquals(1L, Evaluator.evaluate(code._stop, 2));
+ assertEquals("return 1;", code.print());
+ assertEquals("1", Eval2.eval(code, 2));
}
@Test
@@ -76,8 +73,8 @@ xs[0]--;
return xs[0];
""");
code.parse().opto();
- assertEquals("return 255;", code._stop.toString());
- assertEquals(255L, Evaluator.evaluate(code._stop, 2));
+ assertEquals("return 255;", code.print());
+ assertEquals("255", Eval2.eval(code, 2));
}
@Test
@@ -89,34 +86,49 @@ s.x--;
return s.x;
""");
code.parse().opto();
- assertEquals("return 65535;", code._stop.toString());
- assertEquals(65535L, Evaluator.evaluate(code._stop, 2));
+ assertEquals("return 65535;", code.print());
+ assertEquals("65535", Eval2.eval(code, 2));
}
@Test
public void testInc6() {
CodeGen code = new CodeGen("return --arg;");
code.parse().opto();
- assertEquals("return (arg+-1);", code._stop.toString());
- assertEquals(-1L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return (arg+-1);", code.print());
+ assertEquals("-1", Eval2.eval(code, 0));
}
@Test
public void testInc7() {
CodeGen code = new CodeGen("u8 x=0; return --x;");
code.parse().opto();
- assertEquals("return 255;", code._stop.toString());
- assertEquals(255L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 255;", code.print());
+ assertEquals("255", Eval2.eval(code, 0));
}
@Test
public void testInc8() {
CodeGen code = new CodeGen("int x; x+=2; return x+=3;");
code.parse().opto();
- assertEquals("return 5;", code._stop.toString());
- assertEquals(5L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 5;", code.print());
+ assertEquals("5", Eval2.eval(code, 0));
}
+ @Test
+ public void testInc9() {
+ CodeGen code = new CodeGen("flt x = 1.5; x++; return x;");
+ code.parse().opto();
+ assertEquals("return 2.5f;", code.print());
+ assertEquals("2.5", Eval2.eval(code, 0));
+ }
+
+ @Test public void testInt10() {
+ CodeGen code = new CodeGen("flt x = 1.5; x++; int i = x; return i;");
+ try { code.parse().opto(); fail(); }
+ catch( Exception e ) { assertEquals("Type 2.5f is not of declared type int",e.getMessage()); }
+ }
+
+
// ---------------------------------------------------------------
@Test public void testVar0() {
CodeGen code = new CodeGen("var d; return d;");
@@ -133,29 +145,29 @@ return s.x;
@Test public void testVar2() {
CodeGen code = new CodeGen("int x; x=3; x++; return x; // Ok, no initializer so x is mutable ");
code.parse().opto();
- assertEquals("return 4;", code._stop.toString());
- assertEquals(4L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 4;", code.print());
+ assertEquals("4", Eval2.eval(code, 0));
}
@Test public void testVar3() {
CodeGen code = new CodeGen("int x=3; x++; return x; // Ok, primitive so x is mutable despite initializer ");
code.parse().opto();
- assertEquals("return 4;", code._stop.toString());
- assertEquals(4L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 4;", code.print());
+ assertEquals("4", Eval2.eval(code, 0));
}
@Test public void testVar4() {
CodeGen code = new CodeGen("struct S{int x;}; S s; s=new S; s.x++; return s.x; // Ok, no initializer so x is mutable ");
code.parse().opto();
- assertEquals("return 1;", code._stop.toString());
- assertEquals(1L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 1;", code.print());
+ assertEquals("1", Eval2.eval(code, 0));
}
@Test public void testVar5() {
CodeGen code = new CodeGen("struct S{int x;}; S s; s=new S{x=3;}; s.x++; return s.x; // Ok, no initializer so x is mutable ");
code.parse().opto();
- assertEquals("return 4;", code._stop.toString());
- assertEquals(4L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 4;", code.print());
+ assertEquals("4", Eval2.eval(code, 0));
}
@Test public void testVar6() {
@@ -173,15 +185,15 @@ return s.x;
@Test public void testVar8() {
CodeGen code = new CodeGen("struct S{int x;}; S !s=new S; s.x++; return s.x; // Ok, has '!' so s.x is mutable ");
code.parse().opto();
- assertEquals("return 1;", code._stop.toString());
- assertEquals(1L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 1;", code.print());
+ assertEquals("1", Eval2.eval(code, 0));
}
@Test public void testVar9() {
CodeGen code = new CodeGen("struct S{int x;}; var s=new S; s.x++; return s.x; // Ok, has var so s.x is mutable ");
code.parse().opto();
- assertEquals("return 1;", code._stop.toString());
- assertEquals(1L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 1;", code.print());
+ assertEquals("1", Eval2.eval(code, 0));
}
@Test public void testVar10() {
@@ -226,8 +238,8 @@ int x5 = xfoo.bar.x; // Ok to read through xfoo, gets 5
return x4*10+x5;
""");
code.parse().opto();
- assertEquals("return 45;", code._stop.toString());
- assertEquals(45L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 45;", code.print());
+ assertEquals("45", Eval2.eval(code, 0));
}
@Test
@@ -235,7 +247,7 @@ return x4*10+x5;
CodeGen code = new CodeGen("""
int i,i++;
""");
- try { code.parse().opto(); fail(); }
+ try { code.parse().opto().typeCheck(); fail(); }
catch( Exception e ) { assertEquals("Redefining name 'i'",e.getMessage()); }
}
@@ -274,9 +286,9 @@ return new A {
return arg ? 1 : 2;
""");
code.parse().opto();
- assertEquals("return Phi(Region,1,2);", code._stop.toString());
- assertEquals(2L, Evaluator.evaluate(code._stop, 0));
- assertEquals(1L, Evaluator.evaluate(code._stop, 1));
+ assertEquals("return Phi(Region,1,2);", code.print());
+ assertEquals("2", Eval2.eval(code, 0));
+ assertEquals("1", Eval2.eval(code, 1));
}
@Test
@@ -285,8 +297,8 @@ return arg ? 1 : 2;
return arg ? 0 : arg;
""");
code.parse().opto();
- assertEquals("return 0;", code._stop.toString());
- assertEquals(0L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return 0;", code.print());
+ assertEquals("0", Eval2.eval(code, 0));
}
@Test
@@ -297,9 +309,9 @@ var b = arg ? new Bar : null;
return b ? b.x++ + b.x++ : -1;
""");
code.parse().opto();
- assertEquals("return Phi(Region,1,-1);", code._stop.toString());
- assertEquals(-1L, Evaluator.evaluate(code._stop, 0));
- assertEquals( 1L, Evaluator.evaluate(code._stop, 1));
+ assertEquals("return Phi(Region,((.x*2)+1),-1);", code.print());
+ assertEquals("-1", Eval2.eval(code, 0));
+ assertEquals("1", Eval2.eval(code, 1));
}
@Test
@@ -310,9 +322,9 @@ var b = arg ? new Bar;
return b ? b.x++ + b.x++ : -1;
""");
code.parse().opto();
- assertEquals("return Phi(Region,1,-1);", code._stop.toString());
- assertEquals(-1L, Evaluator.evaluate(code._stop, 0));
- assertEquals( 1L, Evaluator.evaluate(code._stop, 1));
+ assertEquals("return Phi(Region,((.x*2)+1),-1);", code.print());
+ assertEquals("-1", Eval2.eval(code, 0));
+ assertEquals("1", Eval2.eval(code, 1));
}
@Test
@@ -324,10 +336,10 @@ var b = arg ? new Bar { next = (arg==2) ? new Bar{x=2;}; x=1; };
return b ? b.next ? b.next.x : b.x; // parses "b ? (b.next ? b.next.x : b.x) : 0"
""");
code.parse().opto();
- assertEquals("return Phi(Region,Phi(Region,.x,.x),0);", code._stop.toString());
- assertEquals( 0L, Evaluator.evaluate(code._stop, 0));
- assertEquals( 1L, Evaluator.evaluate(code._stop, 1));
- assertEquals( 2L, Evaluator.evaluate(code._stop, 2));
+ assertEquals("return Phi(Region,Phi(Region,.x,.x),0);", code.print());
+ assertEquals("0", Eval2.eval(code, 0));
+ assertEquals("1", Eval2.eval(code, 1));
+ assertEquals("2", Eval2.eval(code, 2));
}
@Test
@@ -337,8 +349,8 @@ flt f=arg?1:1.2;
return f; // missing widening
""");
code.parse().opto();
- assertEquals("return Phi(Region,1.0f,1.2);", code._stop.toString());
- assertEquals(1.2, Evaluator.evaluate(code._stop, 0));
+ assertEquals("return Phi(Region,1.0f,1.2);", code.print());
+ assertEquals("1.2", Eval2.eval(code, 0));
}
// ---------------------------------------------------------------
@@ -351,9 +363,9 @@ for( int i=0; i<arg; i++ )
return sum;
""");
code.parse().opto();
- assertEquals("return Phi(Loop,0,(Phi_sum+Phi(Loop,0,(Phi_i+1))));", code._stop.toString());
- assertEquals(3L, Evaluator.evaluate(code._stop, 3));
- assertEquals(45L, Evaluator.evaluate(code._stop, 10));
+ assertEquals("return Phi(Loop,0,(Phi_sum+Phi(Loop,0,(Phi_i+1))));", code.print());
+ assertEquals("3", Eval2.eval(code, 3));
+ assertEquals("45", Eval2.eval(code, 10));
}
@Test
public void testFor1() {
@@ -364,9 +376,9 @@ for( ; i<arg; i++ )
return sum;
""");
code.parse().opto();
- assertEquals("return Phi(Loop,0,(Phi_sum+Phi(Loop,0,(Phi_i+1))));", code._stop.toString());
- assertEquals(3L, Evaluator.evaluate(code._stop, 3));
- assertEquals(45L, Evaluator.evaluate(code._stop, 10));
+ assertEquals("return Phi(Loop,0,(Phi_sum+Phi(Loop,0,(Phi_i+1))));", code.print());
+ assertEquals("3", Eval2.eval(code, 3));
+ assertEquals("45", Eval2.eval(code, 10));
}
@Test
public void testFor2() {
@@ -379,9 +391,9 @@ for( int i=0; ; i++ ) {
return sum;
""");
code.parse().opto();
- assertEquals("return Phi(Loop,0,(Phi_sum+Phi(Loop,0,(Phi_i+1))));", code._stop.toString());
- assertEquals(3L, Evaluator.evaluate(code._stop, 3));
- assertEquals(45L, Evaluator.evaluate(code._stop, 10));
+ assertEquals("return Phi(Loop,0,(Phi_sum+Phi(Loop,0,(Phi_i+1))));", code.print());
+ assertEquals("3", Eval2.eval(code, 3));
+ assertEquals("45", Eval2.eval(code, 10));
}
@Test
public void testFor3() {
@@ -392,9 +404,9 @@ for( int i=0; i<arg; )
return sum;
""");
code.parse().opto();
- assertEquals("return Phi(Loop,0,(Phi_sum+Phi(Loop,0,(Phi_i+1))));", code._stop.toString());
- assertEquals(3L, Evaluator.evaluate(code._stop, 3));
- assertEquals(45L, Evaluator.evaluate(code._stop, 10));
+ assertEquals("return Phi(Loop,0,(Phi_sum+Phi(Loop,0,(Phi_i+1))));", code.print());
+ assertEquals("3", Eval2.eval(code, 3));
+ assertEquals("45", Eval2.eval(code, 10));
}
@Test
public void testFor4() {
@@ -429,8 +441,8 @@ struct A{
return new A;
""");
code.parse().opto();
- assertEquals("return A;", code._stop.toString());
- assertEquals("Obj<A>{f1=null,f2=null}", Evaluator.evaluate(code._stop).toString());
+ assertEquals("return A;", code.print());
+ assertEquals("A{f1=null,f2=null}", Eval2.eval(code,0));
}
@Test
@@ -443,8 +455,8 @@ struct A{
return new A.not_array_of_b;
""");
code.parse().opto();
- assertEquals("return (const)[*B?];", code._stop.toString());
- assertEquals("Obj<[*B?]>{#=0,[]=[]}", Evaluator.evaluate(code._stop).toString());
+ assertEquals("return (const)[*B?];", code.print());
+ assertEquals("*B?[]", Eval2.eval(code,0));
}
// ---------------------------------------------------------------
@@ -462,8 +474,8 @@ for( ; ptr; ptr = ptr.next )
return sum;
""");
code.parse().opto();
- assertEquals("return Phi(Loop,0,(Phi_sum+.i));", code._stop.toString());
- assertEquals(45L, Evaluator.evaluate(code._stop, 10));
+ assertEquals("return Phi(Loop,0,(Phi_sum+.i));", code.print());
+ assertEquals("45", Eval2.eval(code, 10));
}
@Test
@@ -492,14 +504,9 @@ for( int j=0; j<nprimes; j++ )
rez[j] = primes[j];
return rez;
""");
- code.parse().opto();
- assertEquals("return [int];", code._stop.toString());
- Evaluator.Obj obj = (Evaluator.Obj)Evaluator.evaluate(code._stop, 20);
- assertEquals("[int] {int #; int ![]; }",obj.struct().toString());
- long nprimes = (Long)obj.fields()[0];
- long[] primes = new long[]{2,3,5,7,11,13,17,19};
- for( int i=0; i<nprimes; i++ )
- assertEquals(primes[i],(long)(Long)obj.fields()[i+1]);
+ code.parse().opto().typeCheck().GCM();
+ assertEquals("return [int];", code.print());
+ assertEquals("int[ 2,3,5,7,11,13,17,19]",Eval2.eval(code, 20));
}
}
diff --git a/chapter18/src/test/java/com/seaofnodes/simple/Chapter18Test.java b/chapter18/src/test/java/com/seaofnodes/simple/Chapter18Test.java
index 938feab0..15baccf7 100644
--- a/chapter18/src/test/java/com/seaofnodes/simple/Chapter18Test.java
+++ b/chapter18/src/test/java/com/seaofnodes/simple/Chapter18Test.java
@@ -1,7 +1,6 @@
package com.seaofnodes.simple;
import com.seaofnodes.simple.evaluator.Evaluator;
-import com.seaofnodes.simple.node.StopNode;
import org.junit.Test;
import org.junit.Ignore;
@@ -11,17 +10,14 @@ public class Chapter18Test {
@Test
public void testJig() {
- CodeGen code = new CodeGen(
-"""
-0 ;
+ CodeGen code = new CodeGen("""
+return 0;
""");
- code.parse().opto();
+ code.parse().opto().typeCheck().GCM();
assertEquals("return 0;", code._stop.toString());
- assertEquals(0L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("0", Eval2.eval(code, 0));
}
- /*
- */
// ---------------------------------------------------------------
@Test
@@ -32,7 +28,7 @@ return x2;
""");
code.parse().opto();
assertEquals("return null;", code._stop.toString());
- assertNull( Evaluator.evaluate( code._stop, 0 ) );
+ assertEquals("null", Eval2.eval(code, 0 ) );
}
@Ignore @Test
@@ -45,7 +41,7 @@ return sq;
""");
code.parse().opto();
assertEquals("return fcn;", code._stop.toString());
- assertEquals(1L, Evaluator.evaluate(code._stop, 0));
+ assertEquals("1", Eval2.eval(code, 0));
}
}
diff --git a/chapter18/src/test/java/com/seaofnodes/simple/Eval2.java b/chapter18/src/test/java/com/seaofnodes/simple/Eval2.java
new file mode 100644
index 00000000..50b26464
--- /dev/null
+++ b/chapter18/src/test/java/com/seaofnodes/simple/Eval2.java
@@ -0,0 +1,244 @@
+package com.seaofnodes.simple;
+
+import com.seaofnodes.simple.type.*;
+import com.seaofnodes.simple.node.*;
+
+import java.util.Arrays;
+import java.util.IdentityHashMap;
+import java.util.Objects;
+
+public abstract class Eval2 {
+
+ private static Object[] DATA;
+ public static String eval( CodeGen code, long arg ) { return eval(code,arg,1000); }
+ public static String eval( CodeGen code, long arg, int timeout ) {
+ if( code._phase.ordinal() < CodeGen.Phase.TypeCheck .ordinal() ) code.typeCheck();
+ if( code._phase.ordinal() < CodeGen.Phase.Schedule .ordinal() ) code.GCM();
+ if( code._phase.ordinal() < CodeGen.Phase.LocalSched.ordinal() ) code.localSched();
+
+
+ // Timer for when we run too long. Ticks once per backedge or function call
+ int loopCnt = 0;
+
+ // Current value for each Node; boxed Long or Double; or an Object[] of
+ // fields, which themselves are just more Objects.
+ DATA = new Object[Node.UID()];
+
+ // Start at the START
+ CFGNode C = code._start, prior = null;
+
+ // Evaluate until we return or timeout. Each outer loop step computes
+ // all data nodes under some new Control.
+ SB sb = null; //new SB(); // TRACE
+ IdentityHashMap visit = new IdentityHashMap();
+ while( true ) {
+ // Compute input path on Phis for this Region,
+ // or path is invalid for non-Region
+ int path = C instanceof RegionNode r ? r._inputs.find( prior ) : -1;
+
+ // Run the worklist dry, computing data nodes under control of C
+ if( sb!=null ) { IRPrinter.printLine(C,sb.p("--- ")); System.out.print(sb); sb.clear(); }
+ for( Node use : C._outputs )
+ step(use, path, arg, sb, visit);
+
+ // Find the next control target
+ prior = C;
+ C = C.uctrl(); // Next unique control target
+ switch( prior ) {
+ case FunNode fun : if( loopCnt++ > timeout ) return null; break; // Timeout
+ case LoopNode loop: if( loopCnt++ > timeout ) return null; break; // Timeout
+ case IfNode iff: C = iff.cproj( val(iff.pred())==null || (val(iff.pred()) instanceof Long x && x==0L) ? 1 : 0); break;
+ case RegionNode r: break;
+ case CProjNode cproj: break;
+ // TODO: Need a Call-stack here
+ case ReturnNode ret: return prettyPrint(ret.expr()._type,val(ret.expr()));
+ default: throw Utils.TODO();
+ }
+ }
+
+ }
+
+ private static Object con( Type t ) {
+ if( t instanceof TypeInteger i )
+ return i.isConstant() ? (Long)i.value() : "INT";
+ if( t instanceof TypeFloat f )
+ return f.isConstant() ? (Double)f.value() : "FLT";
+ //
+ return null;
+ }
+
+ // Use type to print x as a string
+ static String prettyPrint( Type t, Object x ) { return _print(t,x,new SB(), new IdentityHashMap()).toString(); }
+ static SB _print( Type t, Object x, SB sb, IdentityHashMap visit ) {
+ if( x instanceof String s ) return sb.p(s);
+ if( x == null ) return sb.p("null");
+ return switch( t ) {
+ case TypeInteger i -> sb.p( (Long)x);
+ case TypeFloat f -> sb.p((Double)x);
+ case TypeMemPtr tmp -> {
+ if( visit.containsKey(x) ) yield sb.p("$cyclic");
+ visit.put(x,x);
+ // Since never can close the type cycle, without cyclic types, have
+ // to handle FRefs even here
+ if( tmp.isFRef() )
+ tmp = tmp.makeFrom(((TypeMemPtr)Parser.TYPES.get(tmp._obj._name))._obj);
+
+ Object[] xs = (Object[])x; // Array of fields
+ if( tmp._obj.isAry() ) {
+ Type elem = tmp._obj._fields[1]._type;
+ if( elem == TypeInteger.U8 ) {
+ // Shortcut u8[] as a String
+ for( Object o : xs )
+ sb.p((char)(long)(Long)o);
+ } else {
+ // Array of elements
+ elem.print(sb).p("[ ");
+ for( Object o : xs )
+ _print( elem, o, sb, visit ).p( "," );
+ sb.unchar().p("]");
+ }
+ } else {
+ sb.p(tmp._obj._name).p("{");
+ Field[] flds = tmp._obj._fields;
+ for( int i=0; i<flds.length; i++ )
+ _print( flds[i]._type,xs[i], sb.p(flds[i]._fname).p("="), visit ).p(",");
+ sb.unchar().p("}");
+ }
+ yield sb;
+ }
+ case TypeMem mem -> sb.p("$mem");
+ case TypeTuple tt -> {
+ if( tt._types.length>1 && tt._types[1] instanceof TypeMemPtr )
+ // Assume a NewNode
+ yield _print( tt._types[1], x, sb, visit );
+ throw Utils.TODO();
+ }
+ case Type tt -> {
+ if( tt == Type.NIL ) yield sb.p("null");
+ throw Utils.TODO();
+ }
+ };
+ }
+
+ // Take a worklist step: one data op from the current Control is updated.
+ private static void step(Node n, int path, long arg, SB sb, IdentityHashMap visit) {
+ // Only data nodes
+ if( n instanceof CFGNode ) return;
+ // Compute new value
+ DATA[n._nid] = compute(n,path,arg);
+ // Trace
+ if( sb!=null ) {
+ IRPrinter.printLine(n,sb).unchar();
+ _print( n._type, DATA[n._nid], sb.p('\t'), visit );
+ System.out.println(sb);
+ sb.clear();
+ visit.clear();
+ }
+ // Also do any following projections, which are not in the local schedule otherwise
+ if( n instanceof MultiNode )
+ for( Node use : n._outputs )
+ step(use,-1,arg,sb,visit);
+ }
+
+ // From here down shamelessly copied from Evaluator, written by @Xmilia
+ private static Object compute( Node n, int path, long arg ) {
+ return switch( n ) {
+ case AddFNode adf -> d(adf.in(1)) + d(adf.in(2));
+ case AddNode add -> x(add.in(1)) + x(add.in(2));
+ case AndNode and -> x(and.in(1)) & x(and.in(2));
+ case BoolNode.EQ eq -> Objects.equals(val(eq.in(1)), val(eq.in(2))) ? 1L : 0L; // Bool EQ supports pointers, nil, and integers
+ case BoolNode.LE le -> x( le.in(1)) <= x(le .in(2)) ? 1L : 0L;
+ case BoolNode.LT lt -> x( lt.in(1)) < x(lt .in(2)) ? 1L : 0L;
+ case CastNode cast -> val(cast.in(1));
+ case ConstantNode con -> con(con._con);
+ case DivFNode dvf -> d(dvf.in(2))==0 ? 0D : d(dvf.in(1)) / d(dvf.in(2));
+ case DivNode div -> x(div.in(2))==0 ? 0L : x(div.in(1)) / x(div.in(2));
+ case LoadNode ld -> load(ld);
+ case MinusNode sub -> - x(sub.in(1));
+ case MulNode mul -> x(mul.in(1)) * x(mul.in(2));
+ case NewNode alloc -> alloc(alloc);
+ case OrNode or -> x(or .in(1)) | x(or .in(2));
+ case PhiNode phi -> phi instanceof ParmNode parm && parm.fun()._sig==TypeFunPtr.MAIN && parm._idx==2 ? arg : val(phi.in(path));
+ case ProjNode proj -> proj._type instanceof TypeMem ? "$mem" : val(proj.in(0));
+ case ReadOnlyNode read -> val(read.in(1));
+ case SarNode sar -> x(sar.in(1)) >> x(sar.in(2));
+ case ScopeMinNode merge-> "$mem";
+ case ShlNode shl -> x(shl.in(1)) << x(shl.in(2));
+ case ShrNode shr -> x(shr.in(1)) >>>x(shr.in(2));
+ case StoreNode st -> store(st);
+ case SubNode sub -> x(sub.in(1)) - x(sub.in(2));
+ case ToFloatNode toflt -> (double)x(toflt.in(1));
+ case XorNode xor -> x(xor.in(1)) ^ x(xor.in(2));
+ default -> throw Utils.TODO();
+ };
+ }
+
+ // Fetch without unboxing
+ static Object val( Node n ) { return DATA[n._nid]; }
+ // Fetch and unbox as primitive long
+ static long x( Node n ) { return DATA[n._nid]==null ? 0 : (Long) DATA[n._nid]; }
+ // Fetch and unbox as primitive double
+ static double d( Node n ) { return DATA[n._nid]==null ? 0 : (Double)DATA[n._nid]; }
+
+ // Convert array size to array element count
+ private static int offToIdx( long off, TypeStruct t) {
+ off -= t.aryBase();
+ int scale = t.aryScale();
+ long mask = (1L << scale)-1;
+ assert (off & mask) == 0;
+ return (int)(off>>scale);
+ }
+
+ // Builds and returns a pointer Object
+ private static Object alloc(NewNode alloc) {
+ TypeStruct type = alloc._ptr._obj;
+ if( type.isAry() ) {
+ long sz = (Long)val(alloc.in(1));
+ long x = offToIdx(sz, type);
+ int n = (int)x;
+ if( n!=x || n<0 )
+ throw new NegativeArraySizeException(""+n);
+ Object[] ary = new Object[n]; // Array body
+ var elem = type._fields[1]._type;
+ if (elem instanceof TypeInteger) {
+ Arrays.fill( ary, 0L );
+ } else if (elem instanceof TypeFloat) {
+ Arrays.fill( ary, 0D );
+ } else {
+ assert elem instanceof TypeMemPtr;
+ }
+ // Length value
+ //body[0] = vall(alloc.in(2+2));
+ return ary;
+ }
+
+ int num = type._fields.length;
+ Object[] ptr = new Object[num];
+ for( int i=0; i<num; i++ )
+ ptr[i] = val(alloc.in(2+i+num));
+ return ptr;
+ }
+
+ private static Object load( LoadNode ld ) {
+ TypeMemPtr tmp = (TypeMemPtr)ld.ptr()._type;
+ Object[] fs = (Object[])val(ld.ptr());
+ if( ld._name.equals("#") )
+ return (long)fs.length;
+ int idx = tmp._obj.isAry()
+ ? offToIdx(x(ld.off()),tmp._obj)
+ : tmp._obj.find(ld._name);
+ return fs[idx];
+ }
+
+ private static Object store( StoreNode st ) {
+ TypeMemPtr tmp = (TypeMemPtr)st.ptr()._type;
+ Object[] fs = (Object[])val(st.ptr());
+ int idx = tmp._obj.isAry()
+ ? offToIdx(x(st.off()),tmp._obj)
+ : tmp._obj.find(st._name);
+ Object val = val(st.val());
+ fs[idx] = val;
+ return "$mem";
+ }
+
+}
diff --git a/chapter18/src/test/java/com/seaofnodes/simple/evaluator/Evaluator.java b/chapter18/src/test/java/com/seaofnodes/simple/evaluator/Evaluator.java
index ab413ed2..ff9eb1b1 100644
--- a/chapter18/src/test/java/com/seaofnodes/simple/evaluator/Evaluator.java
+++ b/chapter18/src/test/java/com/seaofnodes/simple/evaluator/Evaluator.java
@@ -269,9 +269,8 @@ public class Evaluator {
private Object cons(ConstantNode cons) {
var type = cons.compute();
- if (type instanceof TypeInteger i) return i.value();
+ if (type instanceof TypeInteger i) return i.isConstant() ? i.value() : Integer.MAX_VALUE;
if (type instanceof TypeFloat i) return i.value();
- assert type == Type.NIL;
return null;
}
@@ -333,7 +332,6 @@ public class Evaluator {
case null:
return Status.FALLTHROUGH;
case ReturnNode ret : return val(ret .expr());
- case StopNode stop: return val(stop.expr());
case IfNode ifn:
block = block.next()[isTrue(val(ifn.in(1))) ? 0 : 1];
if (block == null) return Status.FALLTHROUGH;
@@ -345,8 +343,11 @@ public class Evaluator {
block = block.next()[0];
assert block != null;
for (; i < block.nodes().length; i++) {
- if (!(block.nodes()[i] instanceof PhiNode)) break;
- phiCache.add(val(block.nodes()[i].in(exit)));
+ if (!(block.nodes()[i] instanceof PhiNode phi)) break;
+ var val = region instanceof FunNode fun && fun._name.equals("main") && ((ParmNode)phi)._idx==2 && exit==1
+ ? parameter
+ : val(phi.in(exit));
+ phiCache.add(val);
}
for (i=0; i<phiCache.size(); i++) {
values[block.nodes()[i]._nid] = phiCache.get(i);
diff --git a/chapter18/src/test/java/com/seaofnodes/simple/evaluator/Scheduler.java b/chapter18/src/test/java/com/seaofnodes/simple/evaluator/Scheduler.java
index 8b13f12f..3cf63e0f 100644
--- a/chapter18/src/test/java/com/seaofnodes/simple/evaluator/Scheduler.java
+++ b/chapter18/src/test/java/com/seaofnodes/simple/evaluator/Scheduler.java
@@ -87,6 +87,9 @@ public class Scheduler {
this.entry = entry;
this.prev = prev;
}
+ BasicBlock(Node entry, BasicBlock prev) {
+ this(entry,prev.depth+1,prev);
+ }
}
@@ -358,25 +361,28 @@ public class Scheduler {
var queue = new Stack<NodeData>();
var phiQueue = new Stack<NodeData>();
queue.push(d(start));
- int depth = 0;
while (!queue.isEmpty()) {
var data = queue.pop();
var node = data.node;
assert node instanceof CFGNode;
BasicBlock block = switch (node) {
- case StartNode s -> new BasicBlock(s, depth++);
- case LoopNode l -> new BasicBlock(l, depth++, d(l.in(1)).block);
+ case StartNode s -> new BasicBlock(s, 0);
+ case LoopNode l -> new BasicBlock(l, d(l.in(1)).block);
case RegionNode r -> {
var prev = new ArrayList<BasicBlock>();
+ int depth = 0;
for(int i=1; i<r.nIns(); i++) {
- od(r.in(i)).ifPresent(d->prev.add(d.block));
+ if( !od(r.in(i)).isPresent() ) continue;
+ BasicBlock bb = d(r.in(i)).block;
+ prev.add(bb);
+ depth = Math.max(depth,bb.depth);
}
- yield new BasicBlock(r, depth++, prev.toArray(BasicBlock[]::new));
+ yield new BasicBlock(r, depth+1, prev.toArray(BasicBlock[]::new));
}
case IfNode i -> d(i.in(0)).block;
case ReturnNode ret -> d(ret .in(0)).block;
- case StopNode stop -> d(stop.in(0)).block;
- default -> new BasicBlock(node, depth++, d(node.in(0)).block);
+ case CallNode call -> throw Utils.TODO();
+ default -> new BasicBlock(node, d(node.in(0)).block);
};
data.block = block;
if (node instanceof RegionNode r) {
@@ -392,10 +398,17 @@ public class Scheduler {
}
}
}
- if( !(node instanceof ReturnNode) && !(node instanceof StopNode) )
+ if( node instanceof FunNode fun ) {
+ // Cannot find CFG user from fun via a naive search, because always find
+ // Return but Return is not always the one CFG user.
+ CFGNode n = fun.uctrl();
+ assert isCFGNodeReady(n) && d(n).block==null;
+ queue.push(d(n));
+ } else if( !(node instanceof ReturnNode) ) {
for (Node n : node._outputs)
if(n instanceof CFGNode && isCFGNodeReady(n) && d(n).block == null)
queue.push(d(n));
+ }
var b = block;
for(var in:data.node._inputs) od(in).ifPresent(d->update(d, b));
}
@@ -440,7 +453,7 @@ public class Scheduler {
var data = cfgQueue.pop();
node = data.node;
assert node instanceof CFGNode;
- if (!(node instanceof ReturnNode) && !(node instanceof StopNode) ) {
+ if (!(node instanceof ReturnNode) ) {
for (var out : node._outputs) if (out!=null && out instanceof CFGNode && isNotXCtrl(out)) markAlive(cfgQueue, out, true);
}
for (var in : node._inputs) if(in!=null && !(in instanceof CFGNode) && isNotXCtrl(in)) markAlive(dataQueue, in, false);
@@ -492,16 +505,16 @@ public class Scheduler {
* @param node The node
* @return THe CFG output of the node.
*/
- private static Node findSingleCFGOut(Node node) {
+ private static CFGNode findSingleCFGOut(Node node) {
if (node instanceof StartNode) {
- for(var n:node._outputs) if (n instanceof CProjNode p && p._idx==0) return p;
+ for(var n:node._outputs)
+ if (n instanceof FunNode fun && fun._name.equals("main"))
+ return fun;
return null;
}
- // From start, a Call, or one of many functions
- if( node instanceof CProjNode c && c.in(0) instanceof StartNode )
- return c.out(0);
+ if( node instanceof FunNode fun ) return fun.uctrl();
assert node._outputs.stream().filter(x -> x instanceof CFGNode).limit(2).count()<=1;
- for(var n:node._outputs) if(n instanceof CFGNode) return n;
+ for(var n:node._outputs) if(n instanceof CFGNode cfg) return cfg;
return null;
}
@@ -544,7 +557,6 @@ public class Scheduler {
break;
}
if (last instanceof ReturnNode) break;
- if( last instanceof StopNode ) break;
if (last instanceof IfNode if_) {
for(var out:if_._outputs) if (out instanceof CFGNode && blocks.get(out) == null) queue.push(d(out));
break;
@@ -557,7 +569,6 @@ public class Scheduler {
case IfNode i -> new Block(arr, i, -1, new Block[2]);
case RegionNode r -> new Block(arr, r, r._inputs.find(prev), new Block[1]);
case ReturnNode r -> new Block(arr, r , -1, new Block[0]);
- case StopNode stop-> new Block(arr, stop, -1, new Block[0]);
default -> throw new AssertionError("Unexpected block exit node");
});
}
@@ -572,7 +583,7 @@ public class Scheduler {
block.next[0] = blocks.get(r);
break;
default:
- assert block.exit instanceof ReturnNode || block.exit instanceof StopNode;
+ assert block.exit instanceof ReturnNode;
}
}
// And return the block for the start node.
diff --git a/chapter18/src/test/java/com/seaofnodes/simple/fuzzer/FuzzerUtils.java b/chapter18/src/test/java/com/seaofnodes/simple/fuzzer/FuzzerUtils.java
index 1efe270c..81977522 100644
--- a/chapter18/src/test/java/com/seaofnodes/simple/fuzzer/FuzzerUtils.java
+++ b/chapter18/src/test/java/com/seaofnodes/simple/fuzzer/FuzzerUtils.java
@@ -2,7 +2,6 @@ package com.seaofnodes.simple.fuzzer;
import com.seaofnodes.simple.CodeGen;
import com.seaofnodes.simple.IterPeeps;
-import com.seaofnodes.simple.Parser;
import com.seaofnodes.simple.node.Node;
import com.seaofnodes.simple.node.StopNode;
import java.io.OutputStream;
@@ -129,7 +128,10 @@ class FuzzerUtils {
var code = new CodeGen(script);
Node._disablePeephole = !runPeeps;
code.parse();
- return runPeeps ? code.opto().typeCheck().codegen()._stop : code._stop;
+ if( runPeeps ) code.opto();
+ code.typeCheck();
+ if( runPeeps ) code.GCM(); // Fixup infinite loops
+ return code._stop;
} finally {
NodeWalkVisit.clear();
System.setErr(err);