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[SimplifyLibCalls] Factor out str/mem libcall optimizations.

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Put them in a separate function, so we can reuse them to further
simplify fortified libcalls as well.

Differential Revision: http://reviews.llvm.org/D6540


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225639 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Ahmed Bougacha
2015-01-12 17:20:06 +00:00
parent aebee0ee62
commit fe2d64e0f6
2 changed files with 68 additions and 44 deletions
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2
include/llvm/Transforms/Utils/SimplifyLibCalls.h
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@ -84,6 +84,8 @@ private:
Value *optimizeMemCpy(CallInst *CI, IRBuilder<> &B);
Value *optimizeMemMove(CallInst *CI, IRBuilder<> &B);
Value *optimizeMemSet(CallInst *CI, IRBuilder<> &B);
// Wrapper for all String/Memory Library Call Optimizations
Value *optimizeStringMemoryLibCall(CallInst *CI, IRBuilder<> &B);
// Math Library Optimizations
Value *optimizeUnaryDoubleFP(CallInst *CI, IRBuilder<> &B, bool CheckRetType);