From: Owen Anderson <resistor@mac.com>
Date: Sat, 8 Sep 2007 22:23:52 +0000 (+0000)
Subject: Turn GVN on by default.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=d06eb2c8791d9430fbae376dda43114fc6bfed5f;p=oota-llvm.git

Turn GVN on by default.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41787 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/tools/llvm-ld/Optimize.cpp b/tools/llvm-ld/Optimize.cpp
index 49b8f4225bc..4eb846b7b7a 100644
--- a/tools/llvm-ld/Optimize.cpp
+++ b/tools/llvm-ld/Optimize.cpp
@@ -166,8 +166,7 @@ void Optimize(Module* M) {
     addPass(Passes, createGlobalsModRefPass());      // IP alias analysis
 
     addPass(Passes, createLICMPass());               // Hoist loop invariants
-    addPass(Passes, createLoadValueNumberingPass()); // GVN for load instrs
-    addPass(Passes, createGCSEPass());               // Remove common subexprs
+    addPass(Passes, createGVNPass());                  // Remove redundancies
     addPass(Passes, createDeadStoreEliminationPass()); // Nuke dead stores
 
     // Cleanup and simplify the code after the scalar optimizations.
diff --git a/tools/opt/opt.cpp b/tools/opt/opt.cpp
index e990c7f65e5..9d714596bfc 100644
--- a/tools/opt/opt.cpp
+++ b/tools/opt/opt.cpp
@@ -282,8 +282,7 @@ void AddStandardCompilePasses(PassManager &PM) {
   addPass(PM, createIndVarSimplifyPass());       // Canonicalize indvars
   addPass(PM, createLoopUnrollPass());           // Unroll small loops
   addPass(PM, createInstructionCombiningPass()); // Clean up after the unroller
-  addPass(PM, createLoadValueNumberingPass());   // GVN for load instructions
-  addPass(PM, createGCSEPass());                 // Remove common subexprs
+  addPass(PM, createGVNPass());                  // Remove redundancies
   addPass(PM, createSCCPPass());                 // Constant prop with SCCP
 
   // Run instcombine after redundancy elimination to exploit opportunities