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[MemCpyOpt] Remove dead argument. NFC.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@237503 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Ahmed Bougacha 2015-05-16 01:23:47 +00:00
parent 57e32d40b7
commit 487db4685a
1 changed files with 4 additions and 6 deletions
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10
lib/Transforms/Scalar/MemCpyOptimizer.cpp
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@ -344,8 +344,7 @@ namespace {
bool processMemMove(MemMoveInst *M);
bool performCallSlotOptzn(Instruction *cpy, Value *cpyDst, Value *cpySrc,
uint64_t cpyLen, unsigned cpyAlign, CallInst *C);
bool processMemCpyMemCpyDependence(MemCpyInst *M, MemCpyInst *MDep,
uint64_t MSize);
bool processMemCpyMemCpyDependence(MemCpyInst *M, MemCpyInst *MDep);
bool processMemSetMemCpyDependence(MemCpyInst *M, MemSetInst *MDep);
bool processByValArgument(CallSite CS, unsigned ArgNo);
Instruction *tryMergingIntoMemset(Instruction *I, Value *StartPtr,
@ -765,10 +764,9 @@ bool MemCpyOpt::performCallSlotOptzn(Instruction *cpy,
/// processMemCpyMemCpyDependence - We've found that the (upward scanning)
/// memory dependence of memcpy 'M' is the memcpy 'MDep'. Try to simplify M to
/// copy from MDep's input if we can. MSize is the size of M's copy.
/// copy from MDep's input if we can.
///
bool MemCpyOpt::processMemCpyMemCpyDependence(MemCpyInst *M, MemCpyInst *MDep,
uint64_t MSize) {
bool MemCpyOpt::processMemCpyMemCpyDependence(MemCpyInst *M, MemCpyInst *MDep) {
// We can only transforms memcpy's where the dest of one is the source of the
// other.
if (M->getSource() != MDep->getDest() || MDep->isVolatile())
@ -964,7 +962,7 @@ bool MemCpyOpt::processMemCpy(MemCpyInst *M) {
if (SrcDepInfo.isClobber()) {
if (MemCpyInst *MDep = dyn_cast<MemCpyInst>(SrcDepInfo.getInst()))
return processMemCpyMemCpyDependence(M, MDep, CopySize->getZExtValue());
return processMemCpyMemCpyDependence(M, MDep);
} else if (SrcDepInfo.isDef()) {
Instruction *I = SrcDepInfo.getInst();
bool hasUndefContents = false;