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Make TargetData optional in MemCpyOptimizer.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@79306 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman 2009-08-18 01:17:52 +00:00
parent 52151168bc
commit 8942f9bb9f
1 changed files with 10 additions and 10 deletions
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20
lib/Transforms/Scalar/MemCpyOptimizer.cpp
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@ -309,10 +309,8 @@ namespace {
AU.addRequired<DominatorTree>();
AU.addRequired<MemoryDependenceAnalysis>();
AU.addRequired<AliasAnalysis>();
AU.addRequired<TargetData>();
AU.addPreserved<AliasAnalysis>();
AU.addPreserved<MemoryDependenceAnalysis>();
AU.addPreserved<TargetData>();
}
// Helper fuctions
@ -350,7 +348,8 @@ bool MemCpyOpt::processStore(StoreInst *SI, BasicBlock::iterator& BBI) {
if (!ByteVal)
return false;
TargetData &TD = getAnalysis<TargetData>();
TargetData *TD = getAnalysisIfAvailable<TargetData>();
if (!TD) return false;
AliasAnalysis &AA = getAnalysis<AliasAnalysis>();
Module *M = SI->getParent()->getParent()->getParent();
@ -358,7 +357,7 @@ bool MemCpyOpt::processStore(StoreInst *SI, BasicBlock::iterator& BBI) {
// all subsequent stores of the same value to offset from the same pointer.
// Join these together into ranges, so we can decide whether contiguous blocks
// are stored.
MemsetRanges Ranges(TD);
MemsetRanges Ranges(*TD);
Value *StartPtr = SI->getPointerOperand();
@ -392,7 +391,7 @@ bool MemCpyOpt::processStore(StoreInst *SI, BasicBlock::iterator& BBI) {
// Check to see if this store is to a constant offset from the start ptr.
int64_t Offset;
if (!IsPointerOffset(StartPtr, NextStore->getPointerOperand(), Offset, TD))
if (!IsPointerOffset(StartPtr, NextStore->getPointerOperand(), Offset, *TD))
break;
Ranges.addStore(Offset, NextStore);
@ -421,7 +420,7 @@ bool MemCpyOpt::processStore(StoreInst *SI, BasicBlock::iterator& BBI) {
if (Range.TheStores.size() == 1) continue;
// If it is profitable to lower this range to memset, do so now.
if (!Range.isProfitableToUseMemset(TD))
if (!Range.isProfitableToUseMemset(*TD))
continue;
// Otherwise, we do want to transform this! Create a new memset. We put
@ -511,13 +510,14 @@ bool MemCpyOpt::performCallSlotOptzn(MemCpyInst *cpy, CallInst *C) {
return false;
// Check that all of src is copied to dest.
TargetData& TD = getAnalysis<TargetData>();
TargetData* TD = getAnalysisIfAvailable<TargetData>();
if (!TD) return false;
ConstantInt* srcArraySize = dyn_cast<ConstantInt>(srcAlloca->getArraySize());
if (!srcArraySize)
return false;
uint64_t srcSize = TD.getTypeAllocSize(srcAlloca->getAllocatedType()) *
uint64_t srcSize = TD->getTypeAllocSize(srcAlloca->getAllocatedType()) *
srcArraySize->getZExtValue();
if (cpyLength->getZExtValue() < srcSize)
@ -532,7 +532,7 @@ bool MemCpyOpt::performCallSlotOptzn(MemCpyInst *cpy, CallInst *C) {
if (!destArraySize)
return false;
uint64_t destSize = TD.getTypeAllocSize(A->getAllocatedType()) *
uint64_t destSize = TD->getTypeAllocSize(A->getAllocatedType()) *
destArraySize->getZExtValue();
if (destSize < srcSize)
@ -544,7 +544,7 @@ bool MemCpyOpt::performCallSlotOptzn(MemCpyInst *cpy, CallInst *C) {
return false;
const Type* StructTy = cast<PointerType>(A->getType())->getElementType();
uint64_t destSize = TD.getTypeAllocSize(StructTy);
uint64_t destSize = TD->getTypeAllocSize(StructTy);
if (destSize < srcSize)
return false;