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Fix PR5744, a case where we were getting the pointer size instead of the

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value size.  This only manifested when memdep inprecisely returns clobber,
which is do to a caching issue in the PR5744 testcase.  We can 'efficiently
emulate' this by using '-no-aa'


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@91004 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2009-12-10 00:11:45 +00:00
parent 3728e96a6c
commit 16f244e982
2 changed files with 17 additions and 1 deletions
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2
lib/Transforms/Scalar/GVN.cpp
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@@ -1084,7 +1084,7 @@ static int AnalyzeLoadFromClobberingStore(const Type *LoadTy, Value *LoadPtr,
return -1;
Value *StorePtr = DepSI->getPointerOperand();
uint64_t StoreSize = TD.getTypeSizeInBits(StorePtr->getType());
uint64_t StoreSize = TD.getTypeSizeInBits(DepSI->getOperand(0)->getType());
return AnalyzeLoadFromClobberingWrite(LoadTy, LoadPtr,
StorePtr, StoreSize, TD);
}