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Move memcpy / memset optimization pass after GVN.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49457 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng
2008-04-10 01:33:05 +00:00
parent 7e073baedb
commit 5d4ed3ba11
1 changed files with 1 additions and 1 deletions
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tools/opt/opt.cpp
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@@ -282,8 +282,8 @@ void AddStandardCompilePasses(PassManager &PM) {
addPass(PM, createIndVarSimplifyPass()); // Canonicalize indvars addPass(PM, createIndVarSimplifyPass()); // Canonicalize indvars
addPass(PM, createLoopUnrollPass()); // Unroll small loops addPass(PM, createLoopUnrollPass()); // Unroll small loops
addPass(PM, createInstructionCombiningPass()); // Clean up after the unroller addPass(PM, createInstructionCombiningPass()); // Clean up after the unroller
addPass(PM, createMemCpyOptPass()); // Remove unneeded memcpy's
addPass(PM, createGVNPass()); // Remove redundancies addPass(PM, createGVNPass()); // Remove redundancies
addPass(PM, createMemCpyOptPass()); // Remove memcpy / form memset
addPass(PM, createSCCPPass()); // Constant prop with SCCP addPass(PM, createSCCPPass()); // Constant prop with SCCP
// Run instcombine after redundancy elimination to exploit opportunities // Run instcombine after redundancy elimination to exploit opportunities