[clang] [CLANG] Full support of complex multiplication and division. (PR #81514)
Andy Kaylor via cfe-commits
cfe-commits at lists.llvm.org
Wed Feb 21 14:00:58 PST 2024
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@@ -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()) {
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andykaylor wrote:
What happens with targets where double and long double are the same size?
https://github.com/llvm/llvm-project/pull/81514
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