================
@@ -3854,7 +3847,16 @@ LValue ScalarExprEmitter::EmitCompoundAssignLValue(
llvm::PHINode *atomicPHI = nullptr;
if (const AtomicType *atomicTy = LHSTy->getAs<AtomicType>()) {
QualType type = atomicTy->getValueType();
- if (!type->isBooleanType() && type->isIntegerType() &&
+ const bool isFloat = type->isFloatingType();
+ const bool isInteger = type->isIntegerType();
+
+ bool isPowerOfTwo = false;
+ if (isFloat || isInteger) {
+ llvm::Type *IRTy = CGF.ConvertType(type);
+ uint64_t StoreBits =
CGF.CGM.getDataLayout().getTypeStoreSizeInBits(IRTy);
+ isPowerOfTwo = llvm::isPowerOf2_64(StoreBits);
+ }
+ if (!type->isBooleanType() && (isInteger || isFloat) && isPowerOfTwo &&
----------------
Amichaxx wrote:
Done, thanks.
https://github.com/llvm/llvm-project/pull/162679
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