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[LSR][NFC] Use range-based for #113889

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Merged
merged 1 commit into from
Nov 5, 2024
+7 −7
Merged

[LSR][NFC] Use range-based for #113889

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14 changes: 7 additions & 7 deletions llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2664,15 +2664,15 @@ LSRInstance::OptimizeLoopTermCond() {
// Conservatively avoid trying to use the post-inc value in non-latch
// exits if there may be pre-inc users in intervening blocks.
if (LatchBlock != ExitingBlock)
for (IVUsers::const_iterator UI = IU.begin(), E = IU.end(); UI != E; ++UI)
for (const IVStrideUse &UI : IU)
// Test if the use is reachable from the exiting block. This dominator
// query is a conservative approximation of reachability.
if (&*UI != CondUse &&
!DT.properlyDominates(UI->getUser()->getParent(), ExitingBlock)) {
if (&UI != CondUse &&
!DT.properlyDominates(UI.getUser()->getParent(), ExitingBlock)) {
// Conservatively assume there may be reuse if the quotient of their
// strides could be a legal scale.
const SCEV *A = IU.getStride(*CondUse, L);
const SCEV *B = IU.getStride(*UI, L);
const SCEV *B = IU.getStride(UI, L);
if (!A || !B) continue;
if (SE.getTypeSizeInBits(A->getType()) !=
SE.getTypeSizeInBits(B->getType())) {
Expand All @@ -2693,9 +2693,9 @@ LSRInstance::OptimizeLoopTermCond() {
C->getValue().isMinSignedValue())
goto decline_post_inc;
// Check for possible scaled-address reuse.
if (isAddressUse(TTI, UI->getUser(), UI->getOperandValToReplace())) {
MemAccessTy AccessTy = getAccessType(
TTI, UI->getUser(), UI->getOperandValToReplace());
if (isAddressUse(TTI, UI.getUser(), UI.getOperandValToReplace())) {
MemAccessTy AccessTy =
getAccessType(TTI, UI.getUser(), UI.getOperandValToReplace());
int64_t Scale = C->getSExtValue();
if (TTI.isLegalAddressingMode(AccessTy.MemTy, /*BaseGV=*/nullptr,
/*BaseOffset=*/0,
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