if (!Arg->getType()->isPointerTy())
continue;
ModRefResult ArgMask;
- Location CS1Loc =
- getArgLocation(CS1, (unsigned) std::distance(CS1.arg_begin(), I),
- ArgMask);
- // ArgMask indicates what CS1 might do to CS1Loc; if CS1 might Mod
- // CS1Loc, then we care about either a Mod or a Ref by CS2. If CS1
- // might Ref, then we care only about a Mod by CS2.
+ Location CS1Loc = getArgLocation(
+ CS1, (unsigned)std::distance(CS1.arg_begin(), I), ArgMask);
+ // ArgMask indicates what CS1 might do to CS1Loc; if CS1 might Mod
+ // CS1Loc, then we care about either a Mod or a Ref by CS2. If CS1
+ // might Ref, then we care only about a Mod by CS2.
ModRefResult ArgR = getModRefInfo(CS2, CS1Loc);
if (((ArgMask & Mod) != NoModRef && (ArgR & ModRef) != NoModRef) ||
((ArgMask & Ref) != NoModRef && (ArgR & Mod) != NoModRef))
//===----------------------------------------------------------------------===//
AliasAnalysis::Location AliasAnalysis::getLocation(const LoadInst *LI) {
+ AAMDNodes AATags;
+ LI->getAAMetadata(AATags);
+
return Location(LI->getPointerOperand(),
- getTypeStoreSize(LI->getType()),
- LI->getMetadata(LLVMContext::MD_tbaa));
+ getTypeStoreSize(LI->getType()), AATags);
}
AliasAnalysis::Location AliasAnalysis::getLocation(const StoreInst *SI) {
+ AAMDNodes AATags;
+ SI->getAAMetadata(AATags);
+
return Location(SI->getPointerOperand(),
- getTypeStoreSize(SI->getValueOperand()->getType()),
- SI->getMetadata(LLVMContext::MD_tbaa));
+ getTypeStoreSize(SI->getValueOperand()->getType()), AATags);
}
AliasAnalysis::Location AliasAnalysis::getLocation(const VAArgInst *VI) {
- return Location(VI->getPointerOperand(),
- UnknownSize,
- VI->getMetadata(LLVMContext::MD_tbaa));
+ AAMDNodes AATags;
+ VI->getAAMetadata(AATags);
+
+ return Location(VI->getPointerOperand(), UnknownSize, AATags);
}
AliasAnalysis::Location
AliasAnalysis::getLocation(const AtomicCmpXchgInst *CXI) {
+ AAMDNodes AATags;
+ CXI->getAAMetadata(AATags);
+
return Location(CXI->getPointerOperand(),
getTypeStoreSize(CXI->getCompareOperand()->getType()),
- CXI->getMetadata(LLVMContext::MD_tbaa));
+ AATags);
}
AliasAnalysis::Location
AliasAnalysis::getLocation(const AtomicRMWInst *RMWI) {
+ AAMDNodes AATags;
+ RMWI->getAAMetadata(AATags);
+
return Location(RMWI->getPointerOperand(),
- getTypeStoreSize(RMWI->getValOperand()->getType()),
- RMWI->getMetadata(LLVMContext::MD_tbaa));
+ getTypeStoreSize(RMWI->getValOperand()->getType()), AATags);
}
-AliasAnalysis::Location
+AliasAnalysis::Location
AliasAnalysis::getLocationForSource(const MemTransferInst *MTI) {
uint64_t Size = UnknownSize;
if (ConstantInt *C = dyn_cast<ConstantInt>(MTI->getLength()))
Size = C->getValue().getZExtValue();
- // memcpy/memmove can have TBAA tags. For memcpy, they apply
+ // memcpy/memmove can have AA tags. For memcpy, they apply
// to both the source and the destination.
- MDNode *TBAATag = MTI->getMetadata(LLVMContext::MD_tbaa);
+ AAMDNodes AATags;
+ MTI->getAAMetadata(AATags);
- return Location(MTI->getRawSource(), Size, TBAATag);
+ return Location(MTI->getRawSource(), Size, AATags);
}
-AliasAnalysis::Location
+AliasAnalysis::Location
AliasAnalysis::getLocationForDest(const MemIntrinsic *MTI) {
uint64_t Size = UnknownSize;
if (ConstantInt *C = dyn_cast<ConstantInt>(MTI->getLength()))
Size = C->getValue().getZExtValue();
- // memcpy/memmove can have TBAA tags. For memcpy, they apply
+ // memcpy/memmove can have AA tags. For memcpy, they apply
// to both the source and the destination.
- MDNode *TBAATag = MTI->getMetadata(LLVMContext::MD_tbaa);
-
- return Location(MTI->getRawDest(), Size, TBAATag);
+ AAMDNodes AATags;
+ MTI->getAAMetadata(AATags);
+
+ return Location(MTI->getRawDest(), Size, AATags);
}
// assume that the call could touch the pointer, even though it doesn't
// escape.
if (isNoAlias(AliasAnalysis::Location(*CI),
- AliasAnalysis::Location(Object)))
+ AliasAnalysis::Location(Object)))
continue;
if (CS.doesNotAccessMemory(ArgNo))
continue;
{
return isa<AllocaInst>(V) || isNoAliasCall(V) || isNoAliasArgument(V);
}
-