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| author | Cliff Click <cliffc@acm.org> | 2024-06-30 01:58:08 +0100 |
|---|---|---|
| committer | Cliff Click <cliffc@acm.org> | 2025-01-09 12:19:55 -0800 |
| commit | 2d417b1819284efe8d843160be4cfaab6f2dd84a (patch) | |
| tree | ed4edf8139fa3f5a48308284cc83fee0ef935b8f /docs/chapter11/graph5.gv | |
| parent | cdfb3419d6a3c3067ce3c4157b605ae4abe32b09 (diff) | |
| download | Simple-2d417b1819284efe8d843160be4cfaab6f2dd84a.tar.gz Simple-2d417b1819284efe8d843160be4cfaab6f2dd84a.zip | |
Chapter 11: Global Code Motion
Co-authored-by: Dibyendu Majumdar <mobile@majumdar.org.uk>
Co-authored-by: Thalia Archibald <thalia@archibald.dev>
Co-authored-by: Robert Obkircher <robert.obkircher@gmail.com>
Diffstat (limited to 'docs/chapter11/graph5.gv')
| -rw-r--r-- | docs/chapter11/graph5.gv | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/docs/chapter11/graph5.gv b/docs/chapter11/graph5.gv new file mode 100644 index 00000000..f89a83ac --- /dev/null +++ b/docs/chapter11/graph5.gv @@ -0,0 +1,113 @@ +digraph chapter11 { +/* +struct S { int f; } +S v = new S; +int i = arg; +while (arg > 0) { + int j = i/3; + if (arg == 5) + v.f = j; + arg = arg - 1; +} +return v; + +*/ + rankdir=BT; + concentrate="true"; + compound="true"; + subgraph cluster_Nodes { + Start2 [ shape=plaintext label=< + <TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0" CELLPADDING="4"> + <TR><TD BGCOLOR="yellow">Start</TD></TR> + <TR><TD> + <TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0"> + <TR><TD PORT="p0" BGCOLOR="yellow">$ctrl</TD><TD PORT="p1">arg</TD><TD PORT="p2">$2</TD></TR> + </TABLE> + </TD></TR> + </TABLE>> + ]; + Stop3 [ shape=box style=filled fillcolor=yellow label="Stop" ]; + Con_4 [ label="#0" ]; + new9 [ label="new S" ]; + Store10 [ label=".f =" ]; + Loop11 [ shape=box style=filled fillcolor=yellow label="Loop" ]; + Phi_arg13 [ style=filled fillcolor=lightyellow label="φ_arg" ]; + LT14 [ label="<" ]; + If16 [ shape=plaintext label=< + <TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0" CELLPADDING="4"> + <TR><TD BGCOLOR="yellow">If</TD></TR> + <TR><TD> + <TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0"> + <TR><TD PORT="p0" BGCOLOR="yellow">True</TD><TD PORT="p1" BGCOLOR="yellow">False</TD></TR> + </TABLE> + </TD></TR> + </TABLE>> + ]; + Div21 [ label="//" ]; + Con_22 [ label="#3" ]; + EQ23 [ label="==" ]; + Con_24 [ label="#5" ]; + If25 [ shape=plaintext label=< + <TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0" CELLPADDING="4"> + <TR><TD BGCOLOR="yellow">If</TD></TR> + <TR><TD> + <TABLE BORDER="0" CELLBORDER="1" CELLSPACING="0"> + <TR><TD PORT="p0" BGCOLOR="yellow">True</TD><TD PORT="p1" BGCOLOR="yellow">False</TD></TR> + </TABLE> + </TD></TR> + </TABLE>> + ]; + Phi_230 [ style=filled fillcolor=lightyellow label="φ_$2" ]; + Store31 [ label=".f =" ]; + Region32 [ shape=box style=filled fillcolor=yellow label="Region" ]; + Phi_233 [ style=filled fillcolor=lightyellow label="φ_$2" ]; + Sub35 [ label="-" ]; + Con_36 [ label="#1" ]; + Return37 [ shape=box style=filled fillcolor=yellow label="Return" ]; + { rank=same; Loop11;Phi_230;Phi_arg13;} + { rank=same; Region32;Phi_233;} + } + edge [ fontname=Helvetica, fontsize=8 ]; + Stop3 -> Return37[taillabel=0 color=red]; + new9 -> Start2:p0[taillabel=0 color=green]; + Store10 -> Start2:p0[taillabel=0 color=red]; + Store10 -> Start2:p2[taillabel=1 color=blue]; + Store10 -> new9[taillabel=2]; + Store10 -> Con_4[taillabel=3]; + Loop11 -> Start2:p0[taillabel=1 color=red]; + Loop11 -> Region32[taillabel=2 color=red constraint=false]; + Phi_arg13 -> Loop11 [style=dotted taillabel=0]; + Phi_arg13 -> Start2:p1[taillabel=1]; + Phi_arg13 -> Sub35[taillabel=2 constraint=false]; + LT14 -> Loop11[taillabel=0 color=red]; + LT14 -> Con_4[taillabel=1]; + LT14 -> Phi_arg13[taillabel=2]; + If16 -> Loop11[taillabel=0 color=red]; + If16 -> LT14[taillabel=1]; + Div21 -> Start2[taillabel=0 color=red]; + Div21 -> Start2:p1[taillabel=1]; + Div21 -> Con_22[taillabel=2]; + EQ23 -> Loop11[taillabel=0 color=red]; + EQ23 -> Phi_arg13[taillabel=1]; + EQ23 -> Con_24[taillabel=2]; + If25 -> If16:p0[taillabel=0 color=red]; + If25 -> EQ23[taillabel=1]; + Phi_230 -> Loop11 [style=dotted taillabel=0]; + Phi_230 -> Store10[taillabel=1 color=blue]; + Phi_230 -> Phi_233[taillabel=2 color=blue constraint=false]; + Store31 -> Loop11[taillabel=0 color=red]; + Store31 -> Phi_230[taillabel=1 color=blue]; + Store31 -> new9[taillabel=2]; + Store31 -> Div21[taillabel=3]; + Region32 -> If25:p0[taillabel=1 color=red]; + Region32 -> If25:p1[taillabel=2 color=red]; + Phi_233 -> Region32 [style=dotted taillabel=0]; + Phi_233 -> Store31[taillabel=1 color=blue]; + Phi_233 -> Phi_230[taillabel=2 color=blue constraint=false]; + Sub35 -> Loop11[taillabel=0 color=red]; + Sub35 -> Phi_arg13[taillabel=1]; + Sub35 -> Con_36[taillabel=2]; + Return37 -> If16:p1[taillabel=0 color=red]; + Return37 -> new9[taillabel=1]; + Return37 -> Phi_230[taillabel=2 color=blue]; +} |