================
@@ -283,9 +283,48 @@ class ComplexExprEmitter
ComplexPairTy EmitComplexBinOpLibCall(StringRef LibCallName,
const BinOpInfo &Op);
- QualType getPromotionType(QualType Ty) {
+ QualType HigherPrecisionTypeForComplexArithmetic(QualType ElementType,
+ bool IsDivOpCode) {
+ const TargetInfo &TI = CGF.getContext().getTargetInfo();
+ if (const auto *BT = dyn_cast<BuiltinType>(ElementType)) {
+ switch (BT->getKind()) {
+ case BuiltinType::Kind::Float16:
+ case BuiltinType::Kind::BFloat16: {
+ return CGF.getContext().getComplexType(CGF.getContext().FloatTy);
+ }
+ case BuiltinType::Kind::Float:
+ return CGF.getContext().getComplexType(CGF.getContext().DoubleTy);
+ case BuiltinType::Kind::Double:
+ if (TI.hasLongDoubleType()) {
+ return
CGF.getContext().getComplexType(CGF.getContext().LongDoubleTy);
+ } else {
+ return QualType();
+ }
+ case BuiltinType::Kind::LongDouble:
----------------
andykaylor wrote:
This is more complicated than what you have here. The C "long double" type may
be 64-bit, 80-bit, or 128-bit, depending on the target. You can get the size
from LangOpts::LongDoubleSize if that's accessible here.
https://github.com/llvm/llvm-project/pull/81514
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