caio/clang-p2996
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[LV] Mark various functions as const (NFC).

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Make sure various accessors do not modify any state, in preparation for
D115111.
This commit is contained in:
Florian Hahn
2021-12-09 10:51:29 +00:00
parent e32b818db1
commit d74a8a78ad
8 changed files with 41 additions and 32 deletions
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10
llvm/lib/Transforms/Vectorize/LoopVectorizationLegality.cpp
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@@ -929,7 +929,7 @@ bool LoopVectorizationLegality::canVectorizeFPMath(
}));
}
bool LoopVectorizationLegality::isInductionPhi(const Value *V) {
bool LoopVectorizationLegality::isInductionPhi(const Value *V) const {
Value *In0 = const_cast<Value *>(V);
PHINode *PN = dyn_cast_or_null<PHINode>(In0);
if (!PN)
@@ -938,16 +938,18 @@ bool LoopVectorizationLegality::isInductionPhi(const Value *V) {
return Inductions.count(PN);
}
bool LoopVectorizationLegality::isCastedInductionVariable(const Value *V) {
bool LoopVectorizationLegality::isCastedInductionVariable(
const Value *V) const {
auto *Inst = dyn_cast<Instruction>(V);
return (Inst && InductionCastsToIgnore.count(Inst));
}
bool LoopVectorizationLegality::isInductionVariable(const Value *V) {
bool LoopVectorizationLegality::isInductionVariable(const Value *V) const {
return isInductionPhi(V) || isCastedInductionVariable(V);
}
bool LoopVectorizationLegality::isFirstOrderRecurrence(const PHINode *Phi) {
bool LoopVectorizationLegality::isFirstOrderRecurrence(
const PHINode *Phi) const {
return FirstOrderRecurrences.count(Phi);
}