commit d31cf3d55a0847c018c4eaa2b349b8eea509de64
author Nicolas Geoffray <ngeoffray@google.com> Mon Sep 08 17:30:24 2014 +0100
committer Nicolas Geoffray <ngeoffray@google.com> Fri Sep 19 13:59:39 2014 +0100
tree 2594116391a59c1fce83c5cbd9058ba76534fec0
parent e07d111b9bff8b68b8d0ed44fb95805a5c6f47fb

First optimization in new compiler: simple GVN.

Change-Id: Ibe0efa4e84fd020a53ded310a92e0b4363f91b12

compiler/optimizing/optimizing_compiler.cc

diff --git a/compiler/optimizing/optimizing_compiler.cc b/compiler/optimizing/optimizing_compiler.cc
index 3ce8e77..702eba1 100644
--- a/compiler/optimizing/optimizing_compiler.cc
+++ b/compiler/optimizing/optimizing_compiler.cc
@@ -25,6 +25,7 @@
 #include "driver/compiler_driver.h"
 #include "driver/dex_compilation_unit.h"
 #include "graph_visualizer.h"
+#include "gvn.h"
 #include "nodes.h"
 #include "register_allocator.h"
 #include "ssa_phi_elimination.h"
@@ -260,6 +261,8 @@
 
     SsaRedundantPhiElimination(graph).Run();
     SsaDeadPhiElimination(graph).Run();
+    GlobalValueNumberer(graph->GetArena(), graph).Run();
+    visualizer.DumpGraph(kGVNPassName);
 
     SsaLivenessAnalysis liveness(*graph, codegen);
     liveness.Analyze();
@@ -300,6 +303,9 @@
     graph->TransformToSSA();
     visualizer.DumpGraph("ssa");
     graph->FindNaturalLoops();
+    SsaRedundantPhiElimination(graph).Run();
+    SsaDeadPhiElimination(graph).Run();
+    GlobalValueNumberer(graph->GetArena(), graph).Run();
     SsaLivenessAnalysis liveness(*graph, codegen);
     liveness.Analyze();
     visualizer.DumpGraph(kLivenessPassName);