================
@@ -287,9 +288,47 @@ class ComplexExprEmitter
ComplexPairTy EmitComplexBinOpLibCall(StringRef LibCallName,
const BinOpInfo &Op);
- QualType getPromotionType(QualType Ty) {
+ QualType GetHigherPrecisionFPType(QualType ElementType) {
+ const auto *CurrentBT = dyn_cast<BuiltinType>(ElementType);
+ switch (CurrentBT->getKind()) {
+ case BuiltinType::Kind::Float16:
+ return CGF.getContext().FloatTy;
+ case BuiltinType::Kind::Float:
+ case BuiltinType::Kind::BFloat16:
+ return CGF.getContext().DoubleTy;
+ case BuiltinType::Kind::Double:
+ return CGF.getContext().LongDoubleTy;
+ default:
+ return ElementType;
+ }
+ }
+
+ QualType HigherPrecisionTypeForComplexArithmetic(QualType ElementType,
+ bool IsDivOpCode) {
+ QualType HigherElementType = GetHigherPrecisionFPType(ElementType);
+ const llvm::fltSemantics &ElementTypeSemantics =
+ CGF.getContext().getFloatTypeSemantics(ElementType);
+ const llvm::fltSemantics &HigherElementTypeSemantics =
+ CGF.getContext().getFloatTypeSemantics(HigherElementType);
+ if (llvm::APFloat::semanticsMaxExponent(ElementTypeSemantics) * 2 + 1 <=
+ llvm::APFloat::semanticsMaxExponent(HigherElementTypeSemantics)) {
+ return CGF.getContext().getComplexType(HigherElementType);
+ } else {
+ FPHasBeenPromoted = LangOptions::ComplexRangeKind::CX_Improved;
----------------
zahiraam wrote:
I do see 2 different `ComplexExprEmitter` each with a different value of
`FPHasBeenPromoted` though.
https://github.com/llvm/llvm-project/pull/81514
_______________________________________________
cfe-commits mailing list
cfe-commits@lists.llvm.org
https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
