From d31cf3d55a0847c018c4eaa2b349b8eea509de64 Mon Sep 17 00:00:00 2001
From: Nicolas Geoffray <ngeoffray@google.com>
Date: Mon, 8 Sep 2014 17:30:24 +0100
Subject: First optimization in new compiler: simple GVN.

Change-Id: Ibe0efa4e84fd020a53ded310a92e0b4363f91b12
---
 compiler/optimizing/optimizing_compiler.cc | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'compiler/optimizing/optimizing_compiler.cc')

diff --git a/compiler/optimizing/optimizing_compiler.cc b/compiler/optimizing/optimizing_compiler.cc
index 3ce8e7797b..702eba183c 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 @@ CompiledMethod* OptimizingCompiler::TryCompile(const DexFile::CodeItem* code_ite
 
     SsaRedundantPhiElimination(graph).Run();
     SsaDeadPhiElimination(graph).Run();
+    GlobalValueNumberer(graph->GetArena(), graph).Run();
+    visualizer.DumpGraph(kGVNPassName);
 
     SsaLivenessAnalysis liveness(*graph, codegen);
     liveness.Analyze();
@@ -300,6 +303,9 @@ CompiledMethod* OptimizingCompiler::TryCompile(const DexFile::CodeItem* code_ite
     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);
-- 
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