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[Clang][MicrosoftMangle] Implement mangling for ConstantMatrixType #134930

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Merged
merged 2 commits into from
Apr 26, 2025
Merged

[Clang][MicrosoftMangle] Implement mangling for ConstantMatrixType #134930

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4a3b446
Implement mangling for matrix types
Losy001 Apr 8, 2025
5a81c54
Add tests
Losy001 Apr 19, 2025
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17 changes: 16 additions & 1 deletion clang/lib/AST/MicrosoftMangle.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -3526,7 +3526,22 @@ void MicrosoftCXXNameMangler::mangleType(const DependentSizedExtVectorType *T,

void MicrosoftCXXNameMangler::mangleType(const ConstantMatrixType *T,
Qualifiers quals, SourceRange Range) {
Error(Range.getBegin(), "matrix type") << Range;
QualType EltTy = T->getElementType();
const BuiltinType *ET = EltTy->getAs<BuiltinType>();

llvm::SmallString<64> TemplateMangling;
llvm::raw_svector_ostream Stream(TemplateMangling);
MicrosoftCXXNameMangler Extra(Context, Stream);

Stream << "?$";

Extra.mangleSourceName("__matrix");
Extra.mangleType(EltTy, Range, QMM_Escape);

Extra.mangleIntegerLiteral(llvm::APSInt::getUnsigned(T->getNumRows()));
Extra.mangleIntegerLiteral(llvm::APSInt::getUnsigned(T->getNumColumns()));

mangleArtificialTagType(TagTypeKind::Struct, TemplateMangling, {"__clang"});
}

void MicrosoftCXXNameMangler::mangleType(const DependentSizedMatrixType *T,
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