diff options
Diffstat (limited to 'lib/Transforms/Scalar/MemCpyOptimizer.cpp')
| -rw-r--r-- | lib/Transforms/Scalar/MemCpyOptimizer.cpp | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/lib/Transforms/Scalar/MemCpyOptimizer.cpp b/lib/Transforms/Scalar/MemCpyOptimizer.cpp index 7ed3db6..eeb8931 100644 --- a/lib/Transforms/Scalar/MemCpyOptimizer.cpp +++ b/lib/Transforms/Scalar/MemCpyOptimizer.cpp @@ -54,7 +54,7 @@ static int64_t GetOffsetFromIndex(const GetElementPtrInst *GEP, unsigned Idx, if (OpC->isZero()) continue; // No offset. // Handle struct indices, which add their field offset to the pointer. - if (const StructType *STy = dyn_cast<StructType>(*GTI)) { + if (StructType *STy = dyn_cast<StructType>(*GTI)) { Offset += TD.getStructLayout(STy)->getElementOffset(OpC->getZExtValue()); continue; } @@ -384,7 +384,7 @@ Instruction *MemCpyOpt::tryMergingIntoMemset(Instruction *StartInst, if (StoreInst *NextStore = dyn_cast<StoreInst>(BI)) { // If this is a store, see if we can merge it in. - if (NextStore->isVolatile()) break; + if (!NextStore->isSimple()) break; // Check to see if this stored value is of the same byte-splattable value. if (ByteVal != isBytewiseValue(NextStore->getOperand(0))) @@ -448,7 +448,7 @@ Instruction *MemCpyOpt::tryMergingIntoMemset(Instruction *StartInst, // Determine alignment unsigned Alignment = Range.Alignment; if (Alignment == 0) { - const Type *EltType = + Type *EltType = cast<PointerType>(StartPtr->getType())->getElementType(); Alignment = TD->getABITypeAlignment(EltType); } @@ -479,7 +479,7 @@ Instruction *MemCpyOpt::tryMergingIntoMemset(Instruction *StartInst, bool MemCpyOpt::processStore(StoreInst *SI, BasicBlock::iterator &BBI) { - if (SI->isVolatile()) return false; + if (!SI->isSimple()) return false; if (TD == 0) return false; @@ -487,7 +487,7 @@ bool MemCpyOpt::processStore(StoreInst *SI, BasicBlock::iterator &BBI) { // happen to be using a load-store pair to implement it, rather than // a memcpy. if (LoadInst *LI = dyn_cast<LoadInst>(SI->getOperand(0))) { - if (!LI->isVolatile() && LI->hasOneUse() && + if (LI->isSimple() && LI->hasOneUse() && LI->getParent() == SI->getParent()) { MemDepResult ldep = MD->getDependency(LI); CallInst *C = 0; @@ -616,7 +616,7 @@ bool MemCpyOpt::performCallSlotOptzn(Instruction *cpy, if (!A->hasStructRetAttr()) return false; - const Type *StructTy = cast<PointerType>(A->getType())->getElementType(); + Type *StructTy = cast<PointerType>(A->getType())->getElementType(); uint64_t destSize = TD->getTypeAllocSize(StructTy); if (destSize < srcSize) @@ -860,7 +860,7 @@ bool MemCpyOpt::processByValArgument(CallSite CS, unsigned ArgNo) { // Find out what feeds this byval argument. Value *ByValArg = CS.getArgument(ArgNo); - const Type *ByValTy =cast<PointerType>(ByValArg->getType())->getElementType(); + Type *ByValTy = cast<PointerType>(ByValArg->getType())->getElementType(); uint64_t ByValSize = TD->getTypeAllocSize(ByValTy); MemDepResult DepInfo = MD->getPointerDependencyFrom(AliasAnalysis::Location(ByValArg, ByValSize), |
