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[NFC] Updating Debug Info generation for 'this' #119445

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merged 1 commit into from
Dec 17, 2024
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[NFC] Updating Debug Info generation for 'this' #119445

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26 changes: 4 additions & 22 deletions clang/lib/CodeGen/CGDebugInfo.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2021,28 +2021,10 @@ llvm::DISubroutineType *CGDebugInfo::getOrCreateInstanceMethodType(
// ThisPtr may be null if the member function has an explicit 'this'
// parameter.
if (!ThisPtr.isNull()) {
const CXXRecordDecl *RD = ThisPtr->getPointeeCXXRecordDecl();
if (isa<ClassTemplateSpecializationDecl>(RD)) {
// Create pointer type directly in this case.
const PointerType *ThisPtrTy = cast<PointerType>(ThisPtr);
uint64_t Size = CGM.getContext().getTypeSize(ThisPtrTy);
auto Align = getTypeAlignIfRequired(ThisPtrTy, CGM.getContext());
llvm::DIType *PointeeType =
getOrCreateType(ThisPtrTy->getPointeeType(), Unit);
llvm::DIType *ThisPtrType =
DBuilder.createPointerType(PointeeType, Size, Align);
TypeCache[ThisPtr.getAsOpaquePtr()].reset(ThisPtrType);
// TODO: This and the artificial type below are misleading, the
// types aren't artificial the argument is, but the current
// metadata doesn't represent that.
ThisPtrType = DBuilder.createObjectPointerType(ThisPtrType);
Elts.push_back(ThisPtrType);
} else {
llvm::DIType *ThisPtrType = getOrCreateType(ThisPtr, Unit);
TypeCache[ThisPtr.getAsOpaquePtr()].reset(ThisPtrType);
ThisPtrType = DBuilder.createObjectPointerType(ThisPtrType);
Elts.push_back(ThisPtrType);
}
llvm::DIType *ThisPtrType = getOrCreateType(ThisPtr, Unit);
TypeCache[ThisPtr.getAsOpaquePtr()].reset(ThisPtrType);
ThisPtrType = DBuilder.createObjectPointerType(ThisPtrType);
Elts.push_back(ThisPtrType);
}

// Copy rest of the arguments.
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