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path: root/lib/Transforms/InstCombine/InstCombineCalls.cpp
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Diffstat (limited to 'lib/Transforms/InstCombine/InstCombineCalls.cpp')
-rw-r--r--lib/Transforms/InstCombine/InstCombineCalls.cpp26
1 files changed, 13 insertions, 13 deletions
diff --git a/lib/Transforms/InstCombine/InstCombineCalls.cpp b/lib/Transforms/InstCombine/InstCombineCalls.cpp
index bd48843235..9e59f74fed 100644
--- a/lib/Transforms/InstCombine/InstCombineCalls.cpp
+++ b/lib/Transforms/InstCombine/InstCombineCalls.cpp
@@ -189,8 +189,8 @@ Instruction *InstCombiner::SimplifyMemTransfer(MemIntrinsic *MI) {
SrcAlign = std::max(SrcAlign, CopyAlign);
DstAlign = std::max(DstAlign, CopyAlign);
- Value *Src = Builder->CreateBitCast(MI->getOperand(2), NewSrcPtrTy);
- Value *Dest = Builder->CreateBitCast(MI->getOperand(1), NewDstPtrTy);
+ Value *Src = Builder->CreateBitCast(MI->getArgOperand(1), NewSrcPtrTy);
+ Value *Dest = Builder->CreateBitCast(MI->getArgOperand(0), NewDstPtrTy);
Instruction *L = new LoadInst(Src, "tmp", MI->isVolatile(), SrcAlign);
InsertNewInstBefore(L, *MI);
InsertNewInstBefore(new StoreInst(L, Dest, MI->isVolatile(), DstAlign),
@@ -522,10 +522,10 @@ Instruction *InstCombiner::visitCallInst(CallInst &CI) {
}
// X + undef -> undef
- if (isa<UndefValue>(II->getOperand(2)))
+ if (isa<UndefValue>(II->getArgOperand(1)))
return ReplaceInstUsesWith(CI, UndefValue::get(II->getType()));
- if (ConstantInt *RHS = dyn_cast<ConstantInt>(II->getOperand(2))) {
+ if (ConstantInt *RHS = dyn_cast<ConstantInt>(II->getArgOperand(1))) {
// X + 0 -> {X, false}
if (RHS->isZero()) {
Constant *V[] = {
@@ -541,19 +541,19 @@ Instruction *InstCombiner::visitCallInst(CallInst &CI) {
case Intrinsic::ssub_with_overflow:
// undef - X -> undef
// X - undef -> undef
- if (isa<UndefValue>(II->getOperand(1)) ||
- isa<UndefValue>(II->getOperand(2)))
+ if (isa<UndefValue>(II->getArgOperand(0)) ||
+ isa<UndefValue>(II->getArgOperand(1)))
return ReplaceInstUsesWith(CI, UndefValue::get(II->getType()));
- if (ConstantInt *RHS = dyn_cast<ConstantInt>(II->getOperand(2))) {
+ if (ConstantInt *RHS = dyn_cast<ConstantInt>(II->getArgOperand(1))) {
// X - 0 -> {X, false}
if (RHS->isZero()) {
Constant *V[] = {
- UndefValue::get(II->getOperand(1)->getType()),
+ UndefValue::get(II->getArgOperand(0)->getType()),
ConstantInt::getFalse(II->getContext())
};
Constant *Struct = ConstantStruct::get(II->getContext(), V, 2, false);
- return InsertValueInst::Create(Struct, II->getOperand(1), 0);
+ return InsertValueInst::Create(Struct, II->getArgOperand(0), 0);
}
}
break;
@@ -569,10 +569,10 @@ Instruction *InstCombiner::visitCallInst(CallInst &CI) {
}
// X * undef -> undef
- if (isa<UndefValue>(II->getOperand(2)))
+ if (isa<UndefValue>(II->getArgOperand(1)))
return ReplaceInstUsesWith(CI, UndefValue::get(II->getType()));
- if (ConstantInt *RHSI = dyn_cast<ConstantInt>(II->getOperand(2))) {
+ if (ConstantInt *RHSI = dyn_cast<ConstantInt>(II->getArgOperand(1))) {
// X*0 -> {0, false}
if (RHSI->isZero())
return ReplaceInstUsesWith(CI, Constant::getNullValue(II->getType()));
@@ -627,10 +627,10 @@ Instruction *InstCombiner::visitCallInst(CallInst &CI) {
// These intrinsics only demands the 0th element of its input vector. If
// we can simplify the input based on that, do so now.
unsigned VWidth =
- cast<VectorType>(II->getOperand(1)->getType())->getNumElements();
+ cast<VectorType>(II->getArgOperand(0)->getType())->getNumElements();
APInt DemandedElts(VWidth, 1);
APInt UndefElts(VWidth, 0);
- if (Value *V = SimplifyDemandedVectorElts(II->getOperand(1), DemandedElts,
+ if (Value *V = SimplifyDemandedVectorElts(II->getArgOperand(0), DemandedElts,
UndefElts)) {
II->setOperand(1, V);
return II;