================
@@ -3123,8 +3123,22 @@ Address X86_64ABIInfo::EmitVAArg(CodeGenFunction &CGF,
Address VAListAddr,
RegAddr = Tmp.withElementType(LTy);
} else if (neededInt) {
- RegAddr = Address(CGF.Builder.CreateGEP(CGF.Int8Ty, RegSaveArea,
gp_offset),
- LTy, CharUnits::fromQuantity(8));
+ if (AI.isDirect() && AI.getDirectOffset() == 8) {
+ Address Tmp = CGF.CreateMemTemp(Ty);
+ llvm::StructType *ST = cast<llvm::StructType>(LTy);
+ Tmp = Tmp.withElementType(ST);
+ llvm::Type *TyHi = ST->getElementType(1);
----------------
efriedma-quic wrote:
The computation of TyHi is wrong. Use `AI.getCoerceToType()`. (Try something
like `typedef struct { struct Z {} z[8]; float x, y; } X;`.)
Can we unify this code with the "Copy into a temporary if the type is more
aligned" code below, so we only call CreateMemTemp() once?
Can we reuse this code for the neededSSE == 1 case?
https://github.com/llvm/llvm-project/pull/90389
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