================
@@ -1774,6 +1784,22 @@ llvm::Constant
*ConstantEmitter::emitForMemory(CodeGenModule &CGM,
return Res;
}
+ if (destType->isBitIntType()) {
+ if (!CGM.getTypes().LLVMTypeLayoutMatchesAST(destType, C->getType())) {
+ // Long _BitInt has array of bytes as in-memory type.
+ // So, split constant into individual bytes.
+ ConstantAggregateBuilder Builder(CGM);
+ llvm::Type *DesiredTy = CGM.getTypes().ConvertTypeForMem(destType);
+ // LLVM type doesn't match AST type only for big enough _BitInts, these
+ // types don't appear in constant expressions involving ptrtoint, so it
+ // is safe to expect a constant int here.
+ auto *CI = cast<llvm::ConstantInt>(C);
+ llvm::APInt Value = CI->getValue();
+ Builder.addBits(Value, /*OffsetInBits=*/0, /*AllowOverwrite=*/false);
+ return Builder.build(DesiredTy, /*AllowOversized*/ false);
----------------
Fznamznon wrote:
I see, thanks. I added extending.
https://github.com/llvm/llvm-project/pull/91364
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