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-rw-r--r--llvm/lib/Analysis/BasicAliasAnalysis.cpp58
1 files changed, 28 insertions, 30 deletions
diff --git a/llvm/lib/Analysis/BasicAliasAnalysis.cpp b/llvm/lib/Analysis/BasicAliasAnalysis.cpp
index 461c774..16d5f39 100644
--- a/llvm/lib/Analysis/BasicAliasAnalysis.cpp
+++ b/llvm/lib/Analysis/BasicAliasAnalysis.cpp
@@ -766,7 +766,7 @@ FunctionModRefBehavior BasicAAResult::getModRefBehavior(const CallBase *Call,
getModRefBehaviorFromAttrs(Call->getAttributes().getFnAttrs());
if (const Function *F = dyn_cast<Function>(Call->getCalledOperand())) {
- FunctionModRefBehavior FMRB = getBestAAResults().getModRefBehavior(F);
+ FunctionModRefBehavior FMRB = AAQI.AAR.getModRefBehavior(F);
// Operand bundles on the call may also read or write memory, in addition
// to the behavior of the called function.
if (Call->hasReadingOperandBundles())
@@ -925,9 +925,9 @@ ModRefInfo BasicAAResult::getModRefInfo(const CallBase *Call,
// If this is a no-capture pointer argument, see if we can tell that it
// is impossible to alias the pointer we're checking.
- AliasResult AR = getBestAAResults().alias(
- MemoryLocation::getBeforeOrAfter(*CI),
- MemoryLocation::getBeforeOrAfter(Object), AAQI);
+ AliasResult AR =
+ AAQI.AAR.alias(MemoryLocation::getBeforeOrAfter(*CI),
+ MemoryLocation::getBeforeOrAfter(Object), AAQI);
// Operand doesn't alias 'Object', continue looking for other aliases
if (AR == AliasResult::NoAlias)
continue;
@@ -963,8 +963,8 @@ ModRefInfo BasicAAResult::getModRefInfo(const CallBase *Call,
if (isMallocOrCallocLikeFn(Call, &TLI)) {
// Be conservative if the accessed pointer may alias the allocation -
// fallback to the generic handling below.
- if (getBestAAResults().alias(MemoryLocation::getBeforeOrAfter(Call), Loc,
- AAQI) == AliasResult::NoAlias)
+ if (AAQI.AAR.alias(MemoryLocation::getBeforeOrAfter(Call), Loc, AAQI) ==
+ AliasResult::NoAlias)
return ModRefInfo::NoModRef;
}
@@ -1057,9 +1057,9 @@ AliasResult BasicAAResult::aliasGEP(
// If both accesses have unknown size, we can only check whether the base
// objects don't alias.
- AliasResult BaseAlias = getBestAAResults().alias(
- MemoryLocation::getBeforeOrAfter(UnderlyingV1),
- MemoryLocation::getBeforeOrAfter(UnderlyingV2), AAQI);
+ AliasResult BaseAlias =
+ AAQI.AAR.alias(MemoryLocation::getBeforeOrAfter(UnderlyingV1),
+ MemoryLocation::getBeforeOrAfter(UnderlyingV2), AAQI);
return BaseAlias == AliasResult::NoAlias ? AliasResult::NoAlias
: AliasResult::MayAlias;
}
@@ -1093,14 +1093,13 @@ AliasResult BasicAAResult::aliasGEP(
// For GEPs with identical offsets, we can preserve the size and AAInfo
// when performing the alias check on the underlying objects.
if (DecompGEP1.Offset == 0 && DecompGEP1.VarIndices.empty())
- return getBestAAResults().alias(MemoryLocation(DecompGEP1.Base, V1Size),
- MemoryLocation(DecompGEP2.Base, V2Size),
- AAQI);
+ return AAQI.AAR.alias(MemoryLocation(DecompGEP1.Base, V1Size),
+ MemoryLocation(DecompGEP2.Base, V2Size), AAQI);
// Do the base pointers alias?
- AliasResult BaseAlias = getBestAAResults().alias(
- MemoryLocation::getBeforeOrAfter(DecompGEP1.Base),
- MemoryLocation::getBeforeOrAfter(DecompGEP2.Base), AAQI);
+ AliasResult BaseAlias =
+ AAQI.AAR.alias(MemoryLocation::getBeforeOrAfter(DecompGEP1.Base),
+ MemoryLocation::getBeforeOrAfter(DecompGEP2.Base), AAQI);
// If we get a No or May, then return it immediately, no amount of analysis
// will improve this situation.
@@ -1305,28 +1304,27 @@ BasicAAResult::aliasSelect(const SelectInst *SI, LocationSize SISize,
// check: just check for aliases between the values on corresponding arms.
if (const SelectInst *SI2 = dyn_cast<SelectInst>(V2))
if (SI->getCondition() == SI2->getCondition()) {
- AliasResult Alias = getBestAAResults().alias(
- MemoryLocation(SI->getTrueValue(), SISize),
- MemoryLocation(SI2->getTrueValue(), V2Size), AAQI);
+ AliasResult Alias =
+ AAQI.AAR.alias(MemoryLocation(SI->getTrueValue(), SISize),
+ MemoryLocation(SI2->getTrueValue(), V2Size), AAQI);
if (Alias == AliasResult::MayAlias)
return AliasResult::MayAlias;
- AliasResult ThisAlias = getBestAAResults().alias(
- MemoryLocation(SI->getFalseValue(), SISize),
- MemoryLocation(SI2->getFalseValue(), V2Size), AAQI);
+ AliasResult ThisAlias =
+ AAQI.AAR.alias(MemoryLocation(SI->getFalseValue(), SISize),
+ MemoryLocation(SI2->getFalseValue(), V2Size), AAQI);
return MergeAliasResults(ThisAlias, Alias);
}
// If both arms of the Select node NoAlias or MustAlias V2, then returns
// NoAlias / MustAlias. Otherwise, returns MayAlias.
- AliasResult Alias =
- getBestAAResults().alias(MemoryLocation(SI->getTrueValue(), SISize),
- MemoryLocation(V2, V2Size), AAQI);
+ AliasResult Alias = AAQI.AAR.alias(MemoryLocation(SI->getTrueValue(), SISize),
+ MemoryLocation(V2, V2Size), AAQI);
if (Alias == AliasResult::MayAlias)
return AliasResult::MayAlias;
AliasResult ThisAlias =
- getBestAAResults().alias(MemoryLocation(SI->getFalseValue(), SISize),
- MemoryLocation(V2, V2Size), AAQI);
+ AAQI.AAR.alias(MemoryLocation(SI->getFalseValue(), SISize),
+ MemoryLocation(V2, V2Size), AAQI);
return MergeAliasResults(ThisAlias, Alias);
}
@@ -1344,7 +1342,7 @@ AliasResult BasicAAResult::aliasPHI(const PHINode *PN, LocationSize PNSize,
if (PN2->getParent() == PN->getParent()) {
Optional<AliasResult> Alias;
for (unsigned i = 0, e = PN->getNumIncomingValues(); i != e; ++i) {
- AliasResult ThisAlias = getBestAAResults().alias(
+ AliasResult ThisAlias = AAQI.AAR.alias(
MemoryLocation(PN->getIncomingValue(i), PNSize),
MemoryLocation(
PN2->getIncomingValueForBlock(PN->getIncomingBlock(i)), V2Size),
@@ -1447,8 +1445,8 @@ AliasResult BasicAAResult::aliasPHI(const PHINode *PN, LocationSize PNSize,
AAQueryInfo NewAAQI = AAQI.withEmptyCache();
AAQueryInfo *UseAAQI = BlockInserted ? &NewAAQI : &AAQI;
- AliasResult Alias = getBestAAResults().alias(
- MemoryLocation(V1Srcs[0], PNSize), MemoryLocation(V2, V2Size), *UseAAQI);
+ AliasResult Alias = AAQI.AAR.alias(MemoryLocation(V1Srcs[0], PNSize),
+ MemoryLocation(V2, V2Size), *UseAAQI);
// Early exit if the check of the first PHI source against V2 is MayAlias.
// Other results are not possible.
@@ -1464,7 +1462,7 @@ AliasResult BasicAAResult::aliasPHI(const PHINode *PN, LocationSize PNSize,
for (unsigned i = 1, e = V1Srcs.size(); i != e; ++i) {
Value *V = V1Srcs[i];
- AliasResult ThisAlias = getBestAAResults().alias(
+ AliasResult ThisAlias = AAQI.AAR.alias(
MemoryLocation(V, PNSize), MemoryLocation(V2, V2Size), *UseAAQI);
Alias = MergeAliasResults(ThisAlias, Alias);
if (Alias == AliasResult::MayAlias)
generated by cgit v1.1 at 2025-09-29 21:40:13 +0000