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Turn GVN on by default.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41787 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Owen Anderson
2007-09-08 22:23:52 +00:00
parent 907f28ce30
commit d06eb2c879
2 changed files with 2 additions and 4 deletions
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3
tools/opt/opt.cpp
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@ -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