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package com.seaofnodes.simple;
import com.seaofnodes.graph.GraphObserver;
import com.seaofnodes.simple.codegen.CodeGen;
import com.seaofnodes.simple.codegen.CodeGen.Phase;
import com.seaofnodes.simple.node.Node;
import java.util.ArrayList;
import org.junit.Test;
import static org.junit.Assert.*;
public class PhaseTest {
private static final String SRC = "int sum=0; for(int i=0; i<arg; i++) sum+=i; return sum;";
@Test public void testIdealPhasesAndResume() {
ArrayList<String> phases = new ArrayList<>();
CodeGen code = new CodeGen(SRC);
code._obs = new GraphObserver<Node>() {
@Override public void before(Node n) {}
@Override public void after(Node n, Node repl, boolean applied) {}
@Override public void phase(String phase) { phases.add(phase); }
};
code.driver(Phase.TypeCheck);
code.driver(Phase.TypeCheck); // A repeated request does not rerun anything.
code.driver(Phase.LocalSched);
assertEquals("Parse Iter Opto IterPostOpto FinalizeIR TypeCheck Lower LoopTree Schedule LocalSched",
String.join(" ",phases));
assertNull(code._mach);
assertEquals("45",Eval2.eval(code,10));
}
@Test public void testEncodingAndResume() {
for( String cpu : new String[]{"x86_64_v2","arm","riscv"} ) {
CodeGen code = new CodeGen(SRC).driver(Phase.TypeCheck);
code.driver(Phase.LoopTree,cpu,"SystemV");
code.driver(Phase.Select,cpu,"SystemV");
code.driver(Phase.Encoding,cpu,"SystemV");
byte[] staged = code._encoding._bits.toByteArray();
CodeGen direct = new CodeGen(SRC).driver(Phase.Encoding,cpu,"SystemV");
assertArrayEquals(staged,direct._encoding._bits.toByteArray());
}
}
}
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