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[NFC] Adding the align attribute on Atomic{CmpXchg|RMW}Inst

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This is the first step to add support for the align attribute to AtomicRMWInst and AtomicCmpXchgInst.
Next step is to add support in IRBuilder and BitcodeReader.
Bug: https://bugs.llvm.org/show_bug.cgi?id=27168

Differential Revision: https://reviews.llvm.org/D83136
This commit is contained in:
Guillaume Chatelet
2020-07-07 09:54:13 +00:00
parent 2cdf108d32
commit 74c723757e
6 changed files with 110 additions and 92 deletions
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10
llvm/lib/Bitcode/Reader/BitcodeReader.cpp
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@@ -5020,8 +5020,10 @@ Error BitcodeReader::parseFunctionBody(Function *F) {
else
FailureOrdering = getDecodedOrdering(Record[OpNum + 3]);
I = new AtomicCmpXchgInst(Ptr, Cmp, New, SuccessOrdering, FailureOrdering,
SSID);
Align Alignment(
TheModule->getDataLayout().getTypeStoreSize(Cmp->getType()));
I = new AtomicCmpXchgInst(Ptr, Cmp, New, Alignment, SuccessOrdering,
FailureOrdering, SSID);
FullTy = StructType::get(Context, {FullTy, Type::getInt1Ty(Context)});
cast<AtomicCmpXchgInst>(I)->setVolatile(Record[OpNum]);
@@ -5058,7 +5060,9 @@ Error BitcodeReader::parseFunctionBody(Function *F) {
Ordering == AtomicOrdering::Unordered)
return error("Invalid record");
SyncScope::ID SSID = getDecodedSyncScopeID(Record[OpNum + 3]);
I = new AtomicRMWInst(Operation, Ptr, Val, Ordering, SSID);
Align Alignment(
TheModule->getDataLayout().getTypeStoreSize(Val->getType()));
I = new AtomicRMWInst(Operation, Ptr, Val, Alignment, Ordering, SSID);
FullTy = getPointerElementFlatType(FullTy);
cast<AtomicRMWInst>(I)->setVolatile(Record[OpNum+1]);
InstructionList.push_back(I);