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SROA: Clean up unused assignment warnings from clang's analyzer.

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No functionality change.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171348 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer 2013-01-01 16:13:35 +00:00
parent a6e23cc535
commit 0ea4c3d8c0
1 changed files with 4 additions and 5 deletions
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9
lib/Transforms/Scalar/SROA.cpp
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@ -1971,15 +1971,14 @@ static bool isVectorPromotionViable(const DataLayout &TD,
if (!Ty)
return false;
uint64_t VecSize = TD.getTypeSizeInBits(Ty);
uint64_t ElementSize = TD.getTypeSizeInBits(Ty->getScalarType());
// While the definition of LLVM vectors is bitpacked, we don't support sizes
// that aren't byte sized.
if (ElementSize % 8)
return false;
assert((VecSize % 8) == 0 && "vector size not a multiple of element size?");
VecSize /= 8;
assert((TD.getTypeSizeInBits(Ty) % 8) == 0 &&
"vector size not a multiple of element size?");
ElementSize /= 8;
for (; I != E; ++I) {
@ -2724,8 +2723,7 @@ private:
// a sensible representation for the alloca type. This is essentially
// splatting the byte to a sufficiently wide integer, splatting it across
// any desired vector width, and bitcasting to the final type.
uint64_t Size = EndOffset - BeginOffset;
Value *V = getIntegerSplat(IRB, II.getValue(), Size);
Value *V;
if (VecTy) {
// If this is a memset of a vectorized alloca, insert it.
@ -2751,6 +2749,7 @@ private:
// set integer.
assert(!II.isVolatile());
uint64_t Size = EndOffset - BeginOffset;
V = getIntegerSplat(IRB, II.getValue(), Size);
if (IntTy && (BeginOffset != NewAllocaBeginOffset ||