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-rw-r--r--llvm/lib/Analysis/ScalarEvolution.cpp14
1 files changed, 4 insertions, 10 deletions
diff --git a/llvm/lib/Analysis/ScalarEvolution.cpp b/llvm/lib/Analysis/ScalarEvolution.cpp
index fea979d78e8..19d16587275 100644
--- a/llvm/lib/Analysis/ScalarEvolution.cpp
+++ b/llvm/lib/Analysis/ScalarEvolution.cpp
@@ -3033,9 +3033,8 @@ static void
PushDefUseChildren(Instruction *I,
SmallVectorImpl<Instruction *> &Worklist) {
// Push the def-use children onto the Worklist stack.
- for (Value::use_iterator UI = I->use_begin(), UE = I->use_end();
- UI != UE; ++UI)
- Worklist.push_back(cast<Instruction>(*UI));
+ for (User *U : I->users())
+ Worklist.push_back(cast<Instruction>(U));
}
/// ForgetSymbolicValue - This looks up computed SCEV values for all
@@ -7334,11 +7333,8 @@ void ScalarEvolution::SCEVCallbackVH::allUsesReplacedWith(Value *V) {
// so that future queries will recompute the expressions using the new
// value.
Value *Old = getValPtr();
- SmallVector<User *, 16> Worklist;
+ SmallVector<User *, 16> Worklist(Old->user_begin(), Old->user_end());
SmallPtrSet<User *, 8> Visited;
- for (Value::use_iterator UI = Old->use_begin(), UE = Old->use_end();
- UI != UE; ++UI)
- Worklist.push_back(*UI);
while (!Worklist.empty()) {
User *U = Worklist.pop_back_val();
// Deleting the Old value will cause this to dangle. Postpone
@@ -7350,9 +7346,7 @@ void ScalarEvolution::SCEVCallbackVH::allUsesReplacedWith(Value *V) {
if (PHINode *PN = dyn_cast<PHINode>(U))
SE->ConstantEvolutionLoopExitValue.erase(PN);
SE->ValueExprMap.erase(U);
- for (Value::use_iterator UI = U->use_begin(), UE = U->use_end();
- UI != UE; ++UI)
- Worklist.push_back(*UI);
+ Worklist.insert(Worklist.end(), U->user_begin(), U->user_end());
}
// Delete the Old value.
if (PHINode *PN = dyn_cast<PHINode>(Old))
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