Revert "Reland [MS][clang] Add support for vector deleting destructors"#169116
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Revert "Reland [MS][clang] Add support for vector deleting destructors"#169116
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llvm#165598)" This reverts commit 4d10c11. Because it doesn't works well with /Zc:DllexportInlines- option, see discussion in llvm#165598 (comment).
…lvm#167969)" This reverts commit e6b9805. Because it depends on 4d10c11 which is also reverted.
ZequanWu
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andykaylor,
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xlauko
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ZequanWu
removed request for
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@llvm/pr-subscribers-debuginfo @llvm/pr-subscribers-clang-codegen Author: Zequan Wu (ZequanWu) ChangesThis reverts 4d10c11 and e6b9805 which depends on it, see discussion in #165598 (comment). Patch is 122.64 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/169116.diff 59 Files Affected:
diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst
index 62c8c0130c3d0..63930f43c25e3 100644
--- a/clang/docs/ReleaseNotes.rst
+++ b/clang/docs/ReleaseNotes.rst
@@ -84,12 +84,6 @@ Potentially Breaking Changes
- Downstream projects that previously linked only against ``clangDriver`` may
now (also) need to link against the new ``clangOptions`` library, since
options-related code has been moved out of the Driver into a separate library.
-- Clang now supports MSVC vector deleting destructors when targeting Windows.
- This means that vtables of classes with virtual destructors will contain a
- pointer to vector deleting destructor (instead of scalar deleting destructor)
- which in fact is a different symbol with different name and linkage. This
- may cause runtime failures if two binaries using the same class defining a
- virtual destructor are compiled with different versions of clang.
C/C++ Language Potentially Breaking Changes
-------------------------------------------
@@ -621,8 +615,6 @@ Windows Support
- clang-cl now supports /arch:AVX10.1 and /arch:AVX10.2.
- clang-cl now supports /vlen, /vlen=256 and /vlen=512.
-- Clang now supports MSVC vector deleting destructors (GH19772).
-
LoongArch Support
^^^^^^^^^^^^^^^^^
- Enable linker relaxation by default for loongarch64.
diff --git a/clang/include/clang/AST/ASTContext.h b/clang/include/clang/AST/ASTContext.h
index 6e9e737dcae4f..33aa2d343aa7a 100644
--- a/clang/include/clang/AST/ASTContext.h
+++ b/clang/include/clang/AST/ASTContext.h
@@ -370,18 +370,6 @@ class ASTContext : public RefCountedBase<ASTContext> {
mutable llvm::DenseSet<const FunctionDecl *> DestroyingOperatorDeletes;
mutable llvm::DenseSet<const FunctionDecl *> TypeAwareOperatorNewAndDeletes;
- /// Global and array operators delete are only required for MSVC deleting
- /// destructors support. Store them here to avoid keeping 4 pointers that are
- /// not always used in each redeclaration of the destructor.
- mutable llvm::DenseMap<const CXXDestructorDecl *, FunctionDecl *>
- OperatorDeletesForVirtualDtor;
- mutable llvm::DenseMap<const CXXDestructorDecl *, FunctionDecl *>
- GlobalOperatorDeletesForVirtualDtor;
- mutable llvm::DenseMap<const CXXDestructorDecl *, FunctionDecl *>
- ArrayOperatorDeletesForVirtualDtor;
- mutable llvm::DenseMap<const CXXDestructorDecl *, FunctionDecl *>
- GlobalArrayOperatorDeletesForVirtualDtor;
-
/// The next string literal "version" to allocate during constant evaluation.
/// This is used to distinguish between repeated evaluations of the same
/// string literal.
@@ -3485,16 +3473,6 @@ class ASTContext : public RefCountedBase<ASTContext> {
bool IsTypeAware);
bool isTypeAwareOperatorNewOrDelete(const FunctionDecl *FD) const;
- enum OperatorDeleteKind { Regular, GlobalRegular, Array, ArrayGlobal };
-
- void addOperatorDeleteForVDtor(const CXXDestructorDecl *Dtor,
- FunctionDecl *OperatorDelete,
- OperatorDeleteKind K) const;
- FunctionDecl *getOperatorDeleteForVDtor(const CXXDestructorDecl *Dtor,
- OperatorDeleteKind K) const;
- bool dtorHasOperatorDelete(const CXXDestructorDecl *Dtor,
- OperatorDeleteKind K) const;
-
/// Retrieve the context for computing mangling numbers in the given
/// DeclContext.
MangleNumberingContext &getManglingNumberContext(const DeclContext *DC);
diff --git a/clang/include/clang/AST/ASTMutationListener.h b/clang/include/clang/AST/ASTMutationListener.h
index c8448a25c23a4..352af42391782 100644
--- a/clang/include/clang/AST/ASTMutationListener.h
+++ b/clang/include/clang/AST/ASTMutationListener.h
@@ -90,15 +90,6 @@ class ASTMutationListener {
virtual void ResolvedOperatorGlobDelete(const CXXDestructorDecl *DD,
const FunctionDecl *GlobDelete) {}
- /// A virtual destructor's operator array delete has been resolved.
- virtual void ResolvedOperatorArrayDelete(const CXXDestructorDecl *DD,
- const FunctionDecl *ArrayDelete) {}
-
- /// A virtual destructor's operator global array delete has been resolved.
- virtual void
- ResolvedOperatorGlobArrayDelete(const CXXDestructorDecl *DD,
- const FunctionDecl *GlobArrayDelete) {}
-
/// An implicit member got a definition.
virtual void CompletedImplicitDefinition(const FunctionDecl *D) {}
diff --git a/clang/include/clang/AST/DeclCXX.h b/clang/include/clang/AST/DeclCXX.h
index 5c4ad3c45da19..dfa3befb27dd0 100644
--- a/clang/include/clang/AST/DeclCXX.h
+++ b/clang/include/clang/AST/DeclCXX.h
@@ -2872,6 +2872,8 @@ class CXXDestructorDecl : public CXXMethodDecl {
// FIXME: Don't allocate storage for these except in the first declaration
// of a virtual destructor.
+ FunctionDecl *OperatorDelete = nullptr;
+ FunctionDecl *OperatorGlobalDelete = nullptr;
Expr *OperatorDeleteThisArg = nullptr;
CXXDestructorDecl(ASTContext &C, CXXRecordDecl *RD, SourceLocation StartLoc,
@@ -2898,12 +2900,14 @@ class CXXDestructorDecl : public CXXMethodDecl {
void setOperatorDelete(FunctionDecl *OD, Expr *ThisArg);
void setOperatorGlobalDelete(FunctionDecl *OD);
- void setOperatorArrayDelete(FunctionDecl *OD);
- void setGlobalOperatorArrayDelete(FunctionDecl *OD);
- const FunctionDecl *getOperatorDelete() const;
- const FunctionDecl *getOperatorGlobalDelete() const;
- const FunctionDecl *getArrayOperatorDelete() const;
- const FunctionDecl *getGlobalArrayOperatorDelete() const;
+
+ const FunctionDecl *getOperatorDelete() const {
+ return getCanonicalDecl()->OperatorDelete;
+ }
+
+ const FunctionDecl *getOperatorGlobalDelete() const {
+ return getCanonicalDecl()->OperatorGlobalDelete;
+ }
Expr *getOperatorDeleteThisArg() const {
return getCanonicalDecl()->OperatorDeleteThisArg;
diff --git a/clang/include/clang/AST/VTableBuilder.h b/clang/include/clang/AST/VTableBuilder.h
index e1efe8cddcc5e..a5de41dbc22f1 100644
--- a/clang/include/clang/AST/VTableBuilder.h
+++ b/clang/include/clang/AST/VTableBuilder.h
@@ -150,7 +150,7 @@ class VTableComponent {
bool isRTTIKind() const { return isRTTIKind(getKind()); }
- GlobalDecl getGlobalDecl(bool HasVectorDeletingDtors) const {
+ GlobalDecl getGlobalDecl() const {
assert(isUsedFunctionPointerKind() &&
"GlobalDecl can be created only from virtual function");
@@ -161,9 +161,7 @@ class VTableComponent {
case CK_CompleteDtorPointer:
return GlobalDecl(DtorDecl, CXXDtorType::Dtor_Complete);
case CK_DeletingDtorPointer:
- return GlobalDecl(DtorDecl, (HasVectorDeletingDtors)
- ? CXXDtorType::Dtor_VectorDeleting
- : CXXDtorType::Dtor_Deleting);
+ return GlobalDecl(DtorDecl, CXXDtorType::Dtor_Deleting);
case CK_VCallOffset:
case CK_VBaseOffset:
case CK_OffsetToTop:
diff --git a/clang/include/clang/Basic/ABI.h b/clang/include/clang/Basic/ABI.h
index be3edccbf50b2..8279529c316cf 100644
--- a/clang/include/clang/Basic/ABI.h
+++ b/clang/include/clang/Basic/ABI.h
@@ -32,12 +32,11 @@ enum CXXCtorType {
/// C++ destructor types.
enum CXXDtorType {
- Dtor_Deleting, ///< Deleting dtor
- Dtor_Complete, ///< Complete object dtor
- Dtor_Base, ///< Base object dtor
- Dtor_Comdat, ///< The COMDAT used for dtors
- Dtor_Unified, ///< GCC-style unified dtor
- Dtor_VectorDeleting, ///< Vector deleting dtor
+ Dtor_Deleting, ///< Deleting dtor
+ Dtor_Complete, ///< Complete object dtor
+ Dtor_Base, ///< Base object dtor
+ Dtor_Comdat, ///< The COMDAT used for dtors
+ Dtor_Unified, ///< GCC-style unified dtor
};
} // end namespace clang
diff --git a/clang/include/clang/Basic/TargetInfo.h b/clang/include/clang/Basic/TargetInfo.h
index 1c16f9f79ae68..39af84c8d0872 100644
--- a/clang/include/clang/Basic/TargetInfo.h
+++ b/clang/include/clang/Basic/TargetInfo.h
@@ -1796,11 +1796,6 @@ class TargetInfo : public TransferrableTargetInfo,
/// destructor body.
virtual bool callGlobalDeleteInDeletingDtor(const LangOptions &) const;
- /// Controls whether to emit MSVC vector deleting destructors. The support for
- /// vector deleting affects vtable layout and therefore is an ABI breaking
- /// change. The support was only implemented at Clang 22 timeframe.
- virtual bool emitVectorDeletingDtors(const LangOptions &) const;
-
/// Controls if __builtin_longjmp / __builtin_setjmp can be lowered to
/// llvm.eh.sjlj.longjmp / llvm.eh.sjlj.setjmp.
virtual bool hasSjLjLowering() const {
diff --git a/clang/include/clang/Sema/Sema.h b/clang/include/clang/Sema/Sema.h
index cbfcc9bc0ea99..ae500139ee6f7 100644
--- a/clang/include/clang/Sema/Sema.h
+++ b/clang/include/clang/Sema/Sema.h
@@ -8581,8 +8581,7 @@ class Sema final : public SemaBase {
FunctionDecl *FindDeallocationFunctionForDestructor(SourceLocation StartLoc,
CXXRecordDecl *RD,
bool Diagnose,
- bool LookForGlobal,
- DeclarationName Name);
+ bool LookForGlobal);
/// ActOnCXXDelete - Parsed a C++ 'delete' expression (C++ 5.3.5), as in:
/// @code ::delete ptr; @endcode
diff --git a/clang/include/clang/Serialization/ASTWriter.h b/clang/include/clang/Serialization/ASTWriter.h
index dbbfc29058f43..c77c98dffc39f 100644
--- a/clang/include/clang/Serialization/ASTWriter.h
+++ b/clang/include/clang/Serialization/ASTWriter.h
@@ -955,10 +955,6 @@ class ASTWriter : public ASTDeserializationListener,
Expr *ThisArg) override;
void ResolvedOperatorGlobDelete(const CXXDestructorDecl *DD,
const FunctionDecl *Delete) override;
- void ResolvedOperatorArrayDelete(const CXXDestructorDecl *DD,
- const FunctionDecl *Delete) override;
- void ResolvedOperatorGlobArrayDelete(const CXXDestructorDecl *DD,
- const FunctionDecl *Delete) override;
void CompletedImplicitDefinition(const FunctionDecl *D) override;
void InstantiationRequested(const ValueDecl *D) override;
void VariableDefinitionInstantiated(const VarDecl *D) override;
diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index b929b0fc1aa8e..b359fc8350375 100644
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -13337,71 +13337,6 @@ bool ASTContext::isTypeAwareOperatorNewOrDelete(const FunctionDecl *FD) const {
return TypeAwareOperatorNewAndDeletes.contains(FD->getCanonicalDecl());
}
-void ASTContext::addOperatorDeleteForVDtor(const CXXDestructorDecl *Dtor,
- FunctionDecl *OperatorDelete,
- OperatorDeleteKind K) const {
- switch (K) {
- case OperatorDeleteKind::Regular:
- OperatorDeletesForVirtualDtor[Dtor->getCanonicalDecl()] = OperatorDelete;
- break;
- case OperatorDeleteKind::GlobalRegular:
- GlobalOperatorDeletesForVirtualDtor[Dtor->getCanonicalDecl()] =
- OperatorDelete;
- break;
- case OperatorDeleteKind::Array:
- ArrayOperatorDeletesForVirtualDtor[Dtor->getCanonicalDecl()] =
- OperatorDelete;
- break;
- case OperatorDeleteKind::ArrayGlobal:
- GlobalArrayOperatorDeletesForVirtualDtor[Dtor->getCanonicalDecl()] =
- OperatorDelete;
- break;
- }
-}
-
-bool ASTContext::dtorHasOperatorDelete(const CXXDestructorDecl *Dtor,
- OperatorDeleteKind K) const {
- switch (K) {
- case OperatorDeleteKind::Regular:
- return OperatorDeletesForVirtualDtor.contains(Dtor->getCanonicalDecl());
- case OperatorDeleteKind::GlobalRegular:
- return GlobalOperatorDeletesForVirtualDtor.contains(
- Dtor->getCanonicalDecl());
- case OperatorDeleteKind::Array:
- return ArrayOperatorDeletesForVirtualDtor.contains(
- Dtor->getCanonicalDecl());
- case OperatorDeleteKind::ArrayGlobal:
- return GlobalArrayOperatorDeletesForVirtualDtor.contains(
- Dtor->getCanonicalDecl());
- }
- return false;
-}
-
-FunctionDecl *
-ASTContext::getOperatorDeleteForVDtor(const CXXDestructorDecl *Dtor,
- OperatorDeleteKind K) const {
- const CXXDestructorDecl *Canon = Dtor->getCanonicalDecl();
- switch (K) {
- case OperatorDeleteKind::Regular:
- if (OperatorDeletesForVirtualDtor.contains(Canon))
- return OperatorDeletesForVirtualDtor[Canon];
- return nullptr;
- case OperatorDeleteKind::GlobalRegular:
- if (GlobalOperatorDeletesForVirtualDtor.contains(Canon))
- return GlobalOperatorDeletesForVirtualDtor[Canon];
- return nullptr;
- case OperatorDeleteKind::Array:
- if (ArrayOperatorDeletesForVirtualDtor.contains(Canon))
- return ArrayOperatorDeletesForVirtualDtor[Canon];
- return nullptr;
- case OperatorDeleteKind::ArrayGlobal:
- if (GlobalArrayOperatorDeletesForVirtualDtor.contains(Canon))
- return GlobalArrayOperatorDeletesForVirtualDtor[Canon];
- return nullptr;
- }
- return nullptr;
-}
-
MangleNumberingContext &
ASTContext::getManglingNumberContext(const DeclContext *DC) {
assert(LangOpts.CPlusPlus); // We don't need mangling numbers for plain C.
diff --git a/clang/lib/AST/DeclCXX.cpp b/clang/lib/AST/DeclCXX.cpp
index c16b1bb7a3453..24e4f189cbe4a 100644
--- a/clang/lib/AST/DeclCXX.cpp
+++ b/clang/lib/AST/DeclCXX.cpp
@@ -3110,15 +3110,12 @@ CXXDestructorDecl *CXXDestructorDecl::Create(
}
void CXXDestructorDecl::setOperatorDelete(FunctionDecl *OD, Expr *ThisArg) {
- assert(!OD || (OD->getDeclName().getCXXOverloadedOperator() == OO_Delete));
- if (OD && !getASTContext().dtorHasOperatorDelete(
- this, ASTContext::OperatorDeleteKind::Regular)) {
- getASTContext().addOperatorDeleteForVDtor(
- this, OD, ASTContext::OperatorDeleteKind::Regular);
- getCanonicalDecl()->OperatorDeleteThisArg = ThisArg;
+ auto *First = cast<CXXDestructorDecl>(getFirstDecl());
+ if (OD && !First->OperatorDelete) {
+ First->OperatorDelete = OD;
+ First->OperatorDeleteThisArg = ThisArg;
if (auto *L = getASTMutationListener())
- L->ResolvedOperatorDelete(cast<CXXDestructorDecl>(getCanonicalDecl()), OD,
- ThisArg);
+ L->ResolvedOperatorDelete(First, OD, ThisArg);
}
}
@@ -3130,63 +3127,14 @@ void CXXDestructorDecl::setOperatorGlobalDelete(FunctionDecl *OD) {
assert(!OD ||
(OD->getDeclName().getCXXOverloadedOperator() == OO_Delete &&
OD->getDeclContext()->getRedeclContext()->isTranslationUnit()));
- if (OD && !getASTContext().dtorHasOperatorDelete(
- this, ASTContext::OperatorDeleteKind::GlobalRegular)) {
- getASTContext().addOperatorDeleteForVDtor(
- this, OD, ASTContext::OperatorDeleteKind::GlobalRegular);
+ auto *Canonical = cast<CXXDestructorDecl>(getCanonicalDecl());
+ if (!Canonical->OperatorGlobalDelete) {
+ Canonical->OperatorGlobalDelete = OD;
if (auto *L = getASTMutationListener())
- L->ResolvedOperatorGlobDelete(cast<CXXDestructorDecl>(getCanonicalDecl()),
- OD);
+ L->ResolvedOperatorGlobDelete(Canonical, OD);
}
}
-void CXXDestructorDecl::setOperatorArrayDelete(FunctionDecl *OD) {
- assert(!OD ||
- (OD->getDeclName().getCXXOverloadedOperator() == OO_Array_Delete));
- if (OD && !getASTContext().dtorHasOperatorDelete(
- this, ASTContext::OperatorDeleteKind::Array)) {
- getASTContext().addOperatorDeleteForVDtor(
- this, OD, ASTContext::OperatorDeleteKind::Array);
- if (auto *L = getASTMutationListener())
- L->ResolvedOperatorArrayDelete(
- cast<CXXDestructorDecl>(getCanonicalDecl()), OD);
- }
-}
-
-void CXXDestructorDecl::setGlobalOperatorArrayDelete(FunctionDecl *OD) {
- assert(!OD ||
- (OD->getDeclName().getCXXOverloadedOperator() == OO_Array_Delete &&
- OD->getDeclContext()->getRedeclContext()->isTranslationUnit()));
- if (OD && !getASTContext().dtorHasOperatorDelete(
- this, ASTContext::OperatorDeleteKind::ArrayGlobal)) {
- getASTContext().addOperatorDeleteForVDtor(
- this, OD, ASTContext::OperatorDeleteKind::ArrayGlobal);
- if (auto *L = getASTMutationListener())
- L->ResolvedOperatorGlobArrayDelete(
- cast<CXXDestructorDecl>(getCanonicalDecl()), OD);
- }
-}
-
-const FunctionDecl *CXXDestructorDecl::getOperatorDelete() const {
- return getASTContext().getOperatorDeleteForVDtor(
- this, ASTContext::OperatorDeleteKind::Regular);
-}
-
-const FunctionDecl *CXXDestructorDecl::getOperatorGlobalDelete() const {
- return getASTContext().getOperatorDeleteForVDtor(
- this, ASTContext::OperatorDeleteKind::GlobalRegular);
-}
-
-const FunctionDecl *CXXDestructorDecl::getArrayOperatorDelete() const {
- return getASTContext().getOperatorDeleteForVDtor(
- this, ASTContext::OperatorDeleteKind::Array);
-}
-
-const FunctionDecl *CXXDestructorDecl::getGlobalArrayOperatorDelete() const {
- return getASTContext().getOperatorDeleteForVDtor(
- this, ASTContext::OperatorDeleteKind::ArrayGlobal);
-}
-
bool CXXDestructorDecl::isCalledByDelete(const FunctionDecl *OpDel) const {
// C++20 [expr.delete]p6: If the value of the operand of the delete-
// expression is not a null pointer value and the selected deallocation
@@ -3198,8 +3146,7 @@ bool CXXDestructorDecl::isCalledByDelete(const FunctionDecl *OpDel) const {
// delete operator, as that destructor is never called, unless the
// destructor is virtual (see [expr.delete]p8.1) because then the
// selected operator depends on the dynamic type of the pointer.
- const FunctionDecl *SelectedOperatorDelete =
- OpDel ? OpDel : getOperatorDelete();
+ const FunctionDecl *SelectedOperatorDelete = OpDel ? OpDel : OperatorDelete;
if (!SelectedOperatorDelete)
return true;
diff --git a/clang/lib/AST/Expr.cpp b/clang/lib/AST/Expr.cpp
index 1d914fa876759..340bb4b2ed6a3 100644
--- a/clang/lib/AST/Expr.cpp
+++ b/clang/lib/AST/Expr.cpp
@@ -71,9 +71,6 @@ const CXXRecordDecl *Expr::getBestDynamicClassType() const {
if (const PointerType *PTy = DerivedType->getAs<PointerType>())
DerivedType = PTy->getPointeeType();
- while (const ArrayType *ATy = DerivedType->getAsArrayTypeUnsafe())
- DerivedType = ATy->getElementType();
-
if (DerivedType->isDependentType())
return nullptr;
diff --git a/clang/lib/AST/ItaniumMangle.cpp b/clang/lib/AST/ItaniumMangle.cpp
index a5bcf5c97e837..5572e0a7ae59c 100644
--- a/clang/lib/AST/ItaniumMangle.cpp
+++ b/clang/lib/AST/ItaniumMangle.cpp
@@ -6040,8 +6040,6 @@ void CXXNameMangler::mangleCXXDtorType(CXXDtorType T) {
case Dtor_Comdat:
Out << "D5";
break;
- case Dtor_VectorDeleting:
- llvm_unreachable("Itanium ABI does not use vector deleting dtors");
}
}
diff --git a/clang/lib/AST/MicrosoftMangle.cpp b/clang/lib/AST/MicrosoftMangle.cpp
index 551aa7bf3321c..f1baf9f49384b 100644
--- a/clang/lib/AST/MicrosoftMangle.cpp
+++ b/clang/lib/AST/MicrosoftMangle.cpp
@@ -1492,9 +1492,8 @@ void MicrosoftCXXNameMangler::mangleCXXDtorType(CXXDtorType T) {
// <operator-name> ::= ?_G # scalar deleting destructor
case Dtor_Deleting: Out << "?_G"; return;
// <operator-name> ::= ?_E # vector deleting destructor
- case Dtor_VectorDeleting:
- Out << "?_E";
- return;
+ // FIXME: Add a vector deleting dtor type. It goes in the vtable, so we need
+ // it.
case Dtor_Comdat:
llvm_unreachable("not expecting a COMDAT");
case Dtor_Unified:
@@ -2914,12 +2913,9 @@ void MicrosoftCXXNameMangler::mangleFunctionType(const FunctionType *T,
// ::= @ # structors (they have no declared return type)
if (IsStructor) {
if (isa<CXXDestructorDecl>(D) && isStructorDecl(D)) {
- // The deleting destructors take an extra argument of type int that
- // indicates whether the storage for the object should be deleted and
- // whether a single object or an array of objects is being destroyed. ...
[truncated]
|
Member
|
@llvm/pr-subscribers-lldb Author: Zequan Wu (ZequanWu) ChangesThis reverts 4d10c11 and e6b9805 which depends on it, see discussion in #165598 (comment). Patch is 122.64 KiB, truncated to 20.00 KiB below, full version: https://github.com/llvm/llvm-project/pull/169116.diff 59 Files Affected:
diff --git a/clang/docs/ReleaseNotes.rst b/clang/docs/ReleaseNotes.rst
index 62c8c0130c3d0..63930f43c25e3 100644
--- a/clang/docs/ReleaseNotes.rst
+++ b/clang/docs/ReleaseNotes.rst
@@ -84,12 +84,6 @@ Potentially Breaking Changes
- Downstream projects that previously linked only against ``clangDriver`` may
now (also) need to link against the new ``clangOptions`` library, since
options-related code has been moved out of the Driver into a separate library.
-- Clang now supports MSVC vector deleting destructors when targeting Windows.
- This means that vtables of classes with virtual destructors will contain a
- pointer to vector deleting destructor (instead of scalar deleting destructor)
- which in fact is a different symbol with different name and linkage. This
- may cause runtime failures if two binaries using the same class defining a
- virtual destructor are compiled with different versions of clang.
C/C++ Language Potentially Breaking Changes
-------------------------------------------
@@ -621,8 +615,6 @@ Windows Support
- clang-cl now supports /arch:AVX10.1 and /arch:AVX10.2.
- clang-cl now supports /vlen, /vlen=256 and /vlen=512.
-- Clang now supports MSVC vector deleting destructors (GH19772).
-
LoongArch Support
^^^^^^^^^^^^^^^^^
- Enable linker relaxation by default for loongarch64.
diff --git a/clang/include/clang/AST/ASTContext.h b/clang/include/clang/AST/ASTContext.h
index 6e9e737dcae4f..33aa2d343aa7a 100644
--- a/clang/include/clang/AST/ASTContext.h
+++ b/clang/include/clang/AST/ASTContext.h
@@ -370,18 +370,6 @@ class ASTContext : public RefCountedBase<ASTContext> {
mutable llvm::DenseSet<const FunctionDecl *> DestroyingOperatorDeletes;
mutable llvm::DenseSet<const FunctionDecl *> TypeAwareOperatorNewAndDeletes;
- /// Global and array operators delete are only required for MSVC deleting
- /// destructors support. Store them here to avoid keeping 4 pointers that are
- /// not always used in each redeclaration of the destructor.
- mutable llvm::DenseMap<const CXXDestructorDecl *, FunctionDecl *>
- OperatorDeletesForVirtualDtor;
- mutable llvm::DenseMap<const CXXDestructorDecl *, FunctionDecl *>
- GlobalOperatorDeletesForVirtualDtor;
- mutable llvm::DenseMap<const CXXDestructorDecl *, FunctionDecl *>
- ArrayOperatorDeletesForVirtualDtor;
- mutable llvm::DenseMap<const CXXDestructorDecl *, FunctionDecl *>
- GlobalArrayOperatorDeletesForVirtualDtor;
-
/// The next string literal "version" to allocate during constant evaluation.
/// This is used to distinguish between repeated evaluations of the same
/// string literal.
@@ -3485,16 +3473,6 @@ class ASTContext : public RefCountedBase<ASTContext> {
bool IsTypeAware);
bool isTypeAwareOperatorNewOrDelete(const FunctionDecl *FD) const;
- enum OperatorDeleteKind { Regular, GlobalRegular, Array, ArrayGlobal };
-
- void addOperatorDeleteForVDtor(const CXXDestructorDecl *Dtor,
- FunctionDecl *OperatorDelete,
- OperatorDeleteKind K) const;
- FunctionDecl *getOperatorDeleteForVDtor(const CXXDestructorDecl *Dtor,
- OperatorDeleteKind K) const;
- bool dtorHasOperatorDelete(const CXXDestructorDecl *Dtor,
- OperatorDeleteKind K) const;
-
/// Retrieve the context for computing mangling numbers in the given
/// DeclContext.
MangleNumberingContext &getManglingNumberContext(const DeclContext *DC);
diff --git a/clang/include/clang/AST/ASTMutationListener.h b/clang/include/clang/AST/ASTMutationListener.h
index c8448a25c23a4..352af42391782 100644
--- a/clang/include/clang/AST/ASTMutationListener.h
+++ b/clang/include/clang/AST/ASTMutationListener.h
@@ -90,15 +90,6 @@ class ASTMutationListener {
virtual void ResolvedOperatorGlobDelete(const CXXDestructorDecl *DD,
const FunctionDecl *GlobDelete) {}
- /// A virtual destructor's operator array delete has been resolved.
- virtual void ResolvedOperatorArrayDelete(const CXXDestructorDecl *DD,
- const FunctionDecl *ArrayDelete) {}
-
- /// A virtual destructor's operator global array delete has been resolved.
- virtual void
- ResolvedOperatorGlobArrayDelete(const CXXDestructorDecl *DD,
- const FunctionDecl *GlobArrayDelete) {}
-
/// An implicit member got a definition.
virtual void CompletedImplicitDefinition(const FunctionDecl *D) {}
diff --git a/clang/include/clang/AST/DeclCXX.h b/clang/include/clang/AST/DeclCXX.h
index 5c4ad3c45da19..dfa3befb27dd0 100644
--- a/clang/include/clang/AST/DeclCXX.h
+++ b/clang/include/clang/AST/DeclCXX.h
@@ -2872,6 +2872,8 @@ class CXXDestructorDecl : public CXXMethodDecl {
// FIXME: Don't allocate storage for these except in the first declaration
// of a virtual destructor.
+ FunctionDecl *OperatorDelete = nullptr;
+ FunctionDecl *OperatorGlobalDelete = nullptr;
Expr *OperatorDeleteThisArg = nullptr;
CXXDestructorDecl(ASTContext &C, CXXRecordDecl *RD, SourceLocation StartLoc,
@@ -2898,12 +2900,14 @@ class CXXDestructorDecl : public CXXMethodDecl {
void setOperatorDelete(FunctionDecl *OD, Expr *ThisArg);
void setOperatorGlobalDelete(FunctionDecl *OD);
- void setOperatorArrayDelete(FunctionDecl *OD);
- void setGlobalOperatorArrayDelete(FunctionDecl *OD);
- const FunctionDecl *getOperatorDelete() const;
- const FunctionDecl *getOperatorGlobalDelete() const;
- const FunctionDecl *getArrayOperatorDelete() const;
- const FunctionDecl *getGlobalArrayOperatorDelete() const;
+
+ const FunctionDecl *getOperatorDelete() const {
+ return getCanonicalDecl()->OperatorDelete;
+ }
+
+ const FunctionDecl *getOperatorGlobalDelete() const {
+ return getCanonicalDecl()->OperatorGlobalDelete;
+ }
Expr *getOperatorDeleteThisArg() const {
return getCanonicalDecl()->OperatorDeleteThisArg;
diff --git a/clang/include/clang/AST/VTableBuilder.h b/clang/include/clang/AST/VTableBuilder.h
index e1efe8cddcc5e..a5de41dbc22f1 100644
--- a/clang/include/clang/AST/VTableBuilder.h
+++ b/clang/include/clang/AST/VTableBuilder.h
@@ -150,7 +150,7 @@ class VTableComponent {
bool isRTTIKind() const { return isRTTIKind(getKind()); }
- GlobalDecl getGlobalDecl(bool HasVectorDeletingDtors) const {
+ GlobalDecl getGlobalDecl() const {
assert(isUsedFunctionPointerKind() &&
"GlobalDecl can be created only from virtual function");
@@ -161,9 +161,7 @@ class VTableComponent {
case CK_CompleteDtorPointer:
return GlobalDecl(DtorDecl, CXXDtorType::Dtor_Complete);
case CK_DeletingDtorPointer:
- return GlobalDecl(DtorDecl, (HasVectorDeletingDtors)
- ? CXXDtorType::Dtor_VectorDeleting
- : CXXDtorType::Dtor_Deleting);
+ return GlobalDecl(DtorDecl, CXXDtorType::Dtor_Deleting);
case CK_VCallOffset:
case CK_VBaseOffset:
case CK_OffsetToTop:
diff --git a/clang/include/clang/Basic/ABI.h b/clang/include/clang/Basic/ABI.h
index be3edccbf50b2..8279529c316cf 100644
--- a/clang/include/clang/Basic/ABI.h
+++ b/clang/include/clang/Basic/ABI.h
@@ -32,12 +32,11 @@ enum CXXCtorType {
/// C++ destructor types.
enum CXXDtorType {
- Dtor_Deleting, ///< Deleting dtor
- Dtor_Complete, ///< Complete object dtor
- Dtor_Base, ///< Base object dtor
- Dtor_Comdat, ///< The COMDAT used for dtors
- Dtor_Unified, ///< GCC-style unified dtor
- Dtor_VectorDeleting, ///< Vector deleting dtor
+ Dtor_Deleting, ///< Deleting dtor
+ Dtor_Complete, ///< Complete object dtor
+ Dtor_Base, ///< Base object dtor
+ Dtor_Comdat, ///< The COMDAT used for dtors
+ Dtor_Unified, ///< GCC-style unified dtor
};
} // end namespace clang
diff --git a/clang/include/clang/Basic/TargetInfo.h b/clang/include/clang/Basic/TargetInfo.h
index 1c16f9f79ae68..39af84c8d0872 100644
--- a/clang/include/clang/Basic/TargetInfo.h
+++ b/clang/include/clang/Basic/TargetInfo.h
@@ -1796,11 +1796,6 @@ class TargetInfo : public TransferrableTargetInfo,
/// destructor body.
virtual bool callGlobalDeleteInDeletingDtor(const LangOptions &) const;
- /// Controls whether to emit MSVC vector deleting destructors. The support for
- /// vector deleting affects vtable layout and therefore is an ABI breaking
- /// change. The support was only implemented at Clang 22 timeframe.
- virtual bool emitVectorDeletingDtors(const LangOptions &) const;
-
/// Controls if __builtin_longjmp / __builtin_setjmp can be lowered to
/// llvm.eh.sjlj.longjmp / llvm.eh.sjlj.setjmp.
virtual bool hasSjLjLowering() const {
diff --git a/clang/include/clang/Sema/Sema.h b/clang/include/clang/Sema/Sema.h
index cbfcc9bc0ea99..ae500139ee6f7 100644
--- a/clang/include/clang/Sema/Sema.h
+++ b/clang/include/clang/Sema/Sema.h
@@ -8581,8 +8581,7 @@ class Sema final : public SemaBase {
FunctionDecl *FindDeallocationFunctionForDestructor(SourceLocation StartLoc,
CXXRecordDecl *RD,
bool Diagnose,
- bool LookForGlobal,
- DeclarationName Name);
+ bool LookForGlobal);
/// ActOnCXXDelete - Parsed a C++ 'delete' expression (C++ 5.3.5), as in:
/// @code ::delete ptr; @endcode
diff --git a/clang/include/clang/Serialization/ASTWriter.h b/clang/include/clang/Serialization/ASTWriter.h
index dbbfc29058f43..c77c98dffc39f 100644
--- a/clang/include/clang/Serialization/ASTWriter.h
+++ b/clang/include/clang/Serialization/ASTWriter.h
@@ -955,10 +955,6 @@ class ASTWriter : public ASTDeserializationListener,
Expr *ThisArg) override;
void ResolvedOperatorGlobDelete(const CXXDestructorDecl *DD,
const FunctionDecl *Delete) override;
- void ResolvedOperatorArrayDelete(const CXXDestructorDecl *DD,
- const FunctionDecl *Delete) override;
- void ResolvedOperatorGlobArrayDelete(const CXXDestructorDecl *DD,
- const FunctionDecl *Delete) override;
void CompletedImplicitDefinition(const FunctionDecl *D) override;
void InstantiationRequested(const ValueDecl *D) override;
void VariableDefinitionInstantiated(const VarDecl *D) override;
diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index b929b0fc1aa8e..b359fc8350375 100644
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -13337,71 +13337,6 @@ bool ASTContext::isTypeAwareOperatorNewOrDelete(const FunctionDecl *FD) const {
return TypeAwareOperatorNewAndDeletes.contains(FD->getCanonicalDecl());
}
-void ASTContext::addOperatorDeleteForVDtor(const CXXDestructorDecl *Dtor,
- FunctionDecl *OperatorDelete,
- OperatorDeleteKind K) const {
- switch (K) {
- case OperatorDeleteKind::Regular:
- OperatorDeletesForVirtualDtor[Dtor->getCanonicalDecl()] = OperatorDelete;
- break;
- case OperatorDeleteKind::GlobalRegular:
- GlobalOperatorDeletesForVirtualDtor[Dtor->getCanonicalDecl()] =
- OperatorDelete;
- break;
- case OperatorDeleteKind::Array:
- ArrayOperatorDeletesForVirtualDtor[Dtor->getCanonicalDecl()] =
- OperatorDelete;
- break;
- case OperatorDeleteKind::ArrayGlobal:
- GlobalArrayOperatorDeletesForVirtualDtor[Dtor->getCanonicalDecl()] =
- OperatorDelete;
- break;
- }
-}
-
-bool ASTContext::dtorHasOperatorDelete(const CXXDestructorDecl *Dtor,
- OperatorDeleteKind K) const {
- switch (K) {
- case OperatorDeleteKind::Regular:
- return OperatorDeletesForVirtualDtor.contains(Dtor->getCanonicalDecl());
- case OperatorDeleteKind::GlobalRegular:
- return GlobalOperatorDeletesForVirtualDtor.contains(
- Dtor->getCanonicalDecl());
- case OperatorDeleteKind::Array:
- return ArrayOperatorDeletesForVirtualDtor.contains(
- Dtor->getCanonicalDecl());
- case OperatorDeleteKind::ArrayGlobal:
- return GlobalArrayOperatorDeletesForVirtualDtor.contains(
- Dtor->getCanonicalDecl());
- }
- return false;
-}
-
-FunctionDecl *
-ASTContext::getOperatorDeleteForVDtor(const CXXDestructorDecl *Dtor,
- OperatorDeleteKind K) const {
- const CXXDestructorDecl *Canon = Dtor->getCanonicalDecl();
- switch (K) {
- case OperatorDeleteKind::Regular:
- if (OperatorDeletesForVirtualDtor.contains(Canon))
- return OperatorDeletesForVirtualDtor[Canon];
- return nullptr;
- case OperatorDeleteKind::GlobalRegular:
- if (GlobalOperatorDeletesForVirtualDtor.contains(Canon))
- return GlobalOperatorDeletesForVirtualDtor[Canon];
- return nullptr;
- case OperatorDeleteKind::Array:
- if (ArrayOperatorDeletesForVirtualDtor.contains(Canon))
- return ArrayOperatorDeletesForVirtualDtor[Canon];
- return nullptr;
- case OperatorDeleteKind::ArrayGlobal:
- if (GlobalArrayOperatorDeletesForVirtualDtor.contains(Canon))
- return GlobalArrayOperatorDeletesForVirtualDtor[Canon];
- return nullptr;
- }
- return nullptr;
-}
-
MangleNumberingContext &
ASTContext::getManglingNumberContext(const DeclContext *DC) {
assert(LangOpts.CPlusPlus); // We don't need mangling numbers for plain C.
diff --git a/clang/lib/AST/DeclCXX.cpp b/clang/lib/AST/DeclCXX.cpp
index c16b1bb7a3453..24e4f189cbe4a 100644
--- a/clang/lib/AST/DeclCXX.cpp
+++ b/clang/lib/AST/DeclCXX.cpp
@@ -3110,15 +3110,12 @@ CXXDestructorDecl *CXXDestructorDecl::Create(
}
void CXXDestructorDecl::setOperatorDelete(FunctionDecl *OD, Expr *ThisArg) {
- assert(!OD || (OD->getDeclName().getCXXOverloadedOperator() == OO_Delete));
- if (OD && !getASTContext().dtorHasOperatorDelete(
- this, ASTContext::OperatorDeleteKind::Regular)) {
- getASTContext().addOperatorDeleteForVDtor(
- this, OD, ASTContext::OperatorDeleteKind::Regular);
- getCanonicalDecl()->OperatorDeleteThisArg = ThisArg;
+ auto *First = cast<CXXDestructorDecl>(getFirstDecl());
+ if (OD && !First->OperatorDelete) {
+ First->OperatorDelete = OD;
+ First->OperatorDeleteThisArg = ThisArg;
if (auto *L = getASTMutationListener())
- L->ResolvedOperatorDelete(cast<CXXDestructorDecl>(getCanonicalDecl()), OD,
- ThisArg);
+ L->ResolvedOperatorDelete(First, OD, ThisArg);
}
}
@@ -3130,63 +3127,14 @@ void CXXDestructorDecl::setOperatorGlobalDelete(FunctionDecl *OD) {
assert(!OD ||
(OD->getDeclName().getCXXOverloadedOperator() == OO_Delete &&
OD->getDeclContext()->getRedeclContext()->isTranslationUnit()));
- if (OD && !getASTContext().dtorHasOperatorDelete(
- this, ASTContext::OperatorDeleteKind::GlobalRegular)) {
- getASTContext().addOperatorDeleteForVDtor(
- this, OD, ASTContext::OperatorDeleteKind::GlobalRegular);
+ auto *Canonical = cast<CXXDestructorDecl>(getCanonicalDecl());
+ if (!Canonical->OperatorGlobalDelete) {
+ Canonical->OperatorGlobalDelete = OD;
if (auto *L = getASTMutationListener())
- L->ResolvedOperatorGlobDelete(cast<CXXDestructorDecl>(getCanonicalDecl()),
- OD);
+ L->ResolvedOperatorGlobDelete(Canonical, OD);
}
}
-void CXXDestructorDecl::setOperatorArrayDelete(FunctionDecl *OD) {
- assert(!OD ||
- (OD->getDeclName().getCXXOverloadedOperator() == OO_Array_Delete));
- if (OD && !getASTContext().dtorHasOperatorDelete(
- this, ASTContext::OperatorDeleteKind::Array)) {
- getASTContext().addOperatorDeleteForVDtor(
- this, OD, ASTContext::OperatorDeleteKind::Array);
- if (auto *L = getASTMutationListener())
- L->ResolvedOperatorArrayDelete(
- cast<CXXDestructorDecl>(getCanonicalDecl()), OD);
- }
-}
-
-void CXXDestructorDecl::setGlobalOperatorArrayDelete(FunctionDecl *OD) {
- assert(!OD ||
- (OD->getDeclName().getCXXOverloadedOperator() == OO_Array_Delete &&
- OD->getDeclContext()->getRedeclContext()->isTranslationUnit()));
- if (OD && !getASTContext().dtorHasOperatorDelete(
- this, ASTContext::OperatorDeleteKind::ArrayGlobal)) {
- getASTContext().addOperatorDeleteForVDtor(
- this, OD, ASTContext::OperatorDeleteKind::ArrayGlobal);
- if (auto *L = getASTMutationListener())
- L->ResolvedOperatorGlobArrayDelete(
- cast<CXXDestructorDecl>(getCanonicalDecl()), OD);
- }
-}
-
-const FunctionDecl *CXXDestructorDecl::getOperatorDelete() const {
- return getASTContext().getOperatorDeleteForVDtor(
- this, ASTContext::OperatorDeleteKind::Regular);
-}
-
-const FunctionDecl *CXXDestructorDecl::getOperatorGlobalDelete() const {
- return getASTContext().getOperatorDeleteForVDtor(
- this, ASTContext::OperatorDeleteKind::GlobalRegular);
-}
-
-const FunctionDecl *CXXDestructorDecl::getArrayOperatorDelete() const {
- return getASTContext().getOperatorDeleteForVDtor(
- this, ASTContext::OperatorDeleteKind::Array);
-}
-
-const FunctionDecl *CXXDestructorDecl::getGlobalArrayOperatorDelete() const {
- return getASTContext().getOperatorDeleteForVDtor(
- this, ASTContext::OperatorDeleteKind::ArrayGlobal);
-}
-
bool CXXDestructorDecl::isCalledByDelete(const FunctionDecl *OpDel) const {
// C++20 [expr.delete]p6: If the value of the operand of the delete-
// expression is not a null pointer value and the selected deallocation
@@ -3198,8 +3146,7 @@ bool CXXDestructorDecl::isCalledByDelete(const FunctionDecl *OpDel) const {
// delete operator, as that destructor is never called, unless the
// destructor is virtual (see [expr.delete]p8.1) because then the
// selected operator depends on the dynamic type of the pointer.
- const FunctionDecl *SelectedOperatorDelete =
- OpDel ? OpDel : getOperatorDelete();
+ const FunctionDecl *SelectedOperatorDelete = OpDel ? OpDel : OperatorDelete;
if (!SelectedOperatorDelete)
return true;
diff --git a/clang/lib/AST/Expr.cpp b/clang/lib/AST/Expr.cpp
index 1d914fa876759..340bb4b2ed6a3 100644
--- a/clang/lib/AST/Expr.cpp
+++ b/clang/lib/AST/Expr.cpp
@@ -71,9 +71,6 @@ const CXXRecordDecl *Expr::getBestDynamicClassType() const {
if (const PointerType *PTy = DerivedType->getAs<PointerType>())
DerivedType = PTy->getPointeeType();
- while (const ArrayType *ATy = DerivedType->getAsArrayTypeUnsafe())
- DerivedType = ATy->getElementType();
-
if (DerivedType->isDependentType())
return nullptr;
diff --git a/clang/lib/AST/ItaniumMangle.cpp b/clang/lib/AST/ItaniumMangle.cpp
index a5bcf5c97e837..5572e0a7ae59c 100644
--- a/clang/lib/AST/ItaniumMangle.cpp
+++ b/clang/lib/AST/ItaniumMangle.cpp
@@ -6040,8 +6040,6 @@ void CXXNameMangler::mangleCXXDtorType(CXXDtorType T) {
case Dtor_Comdat:
Out << "D5";
break;
- case Dtor_VectorDeleting:
- llvm_unreachable("Itanium ABI does not use vector deleting dtors");
}
}
diff --git a/clang/lib/AST/MicrosoftMangle.cpp b/clang/lib/AST/MicrosoftMangle.cpp
index 551aa7bf3321c..f1baf9f49384b 100644
--- a/clang/lib/AST/MicrosoftMangle.cpp
+++ b/clang/lib/AST/MicrosoftMangle.cpp
@@ -1492,9 +1492,8 @@ void MicrosoftCXXNameMangler::mangleCXXDtorType(CXXDtorType T) {
// <operator-name> ::= ?_G # scalar deleting destructor
case Dtor_Deleting: Out << "?_G"; return;
// <operator-name> ::= ?_E # vector deleting destructor
- case Dtor_VectorDeleting:
- Out << "?_E";
- return;
+ // FIXME: Add a vector deleting dtor type. It goes in the vtable, so we need
+ // it.
case Dtor_Comdat:
llvm_unreachable("not expecting a COMDAT");
case Dtor_Unified:
@@ -2914,12 +2913,9 @@ void MicrosoftCXXNameMangler::mangleFunctionType(const FunctionType *T,
// ::= @ # structors (they have no declared return type)
if (IsStructor) {
if (isa<CXXDestructorDecl>(D) && isStructorDecl(D)) {
- // The deleting destructors take an extra argument of type int that
- // indicates whether the storage for the object should be deleted and
- // whether a single object or an array of objects is being destroyed. ...
[truncated]
|
You can test this locally with the following command:git-clang-format --diff origin/main HEAD --extensions cppm,cpp,h -- clang/include/clang/AST/ASTContext.h clang/include/clang/AST/ASTMutationListener.h clang/include/clang/AST/DeclCXX.h clang/include/clang/AST/VTableBuilder.h clang/include/clang/Basic/ABI.h clang/include/clang/Basic/TargetInfo.h clang/include/clang/Sema/Sema.h clang/include/clang/Serialization/ASTWriter.h clang/lib/AST/ASTContext.cpp clang/lib/AST/DeclCXX.cpp clang/lib/AST/Expr.cpp clang/lib/AST/ItaniumMangle.cpp clang/lib/AST/MicrosoftMangle.cpp clang/lib/AST/VTableBuilder.cpp clang/lib/Basic/TargetInfo.cpp clang/lib/CIR/CodeGen/CIRGenExprCXX.cpp clang/lib/CIR/CodeGen/CIRGenFunction.cpp clang/lib/CIR/CodeGen/CIRGenVTables.cpp clang/lib/CodeGen/CGCXX.cpp clang/lib/CodeGen/CGCXXABI.cpp clang/lib/CodeGen/CGCXXABI.h clang/lib/CodeGen/CGClass.cpp clang/lib/CodeGen/CGDebugInfo.cpp clang/lib/CodeGen/CGExprCXX.cpp clang/lib/CodeGen/CGVTables.cpp clang/lib/CodeGen/CodeGenModule.cpp clang/lib/CodeGen/CodeGenModule.h clang/lib/CodeGen/ItaniumCXXABI.cpp clang/lib/CodeGen/MicrosoftCXXABI.cpp clang/lib/Sema/SemaDeclCXX.cpp clang/lib/Sema/SemaExprCXX.cpp clang/lib/Serialization/ASTCommon.h clang/lib/Serialization/ASTReaderDecl.cpp clang/lib/Serialization/ASTWriter.cpp clang/lib/Serialization/ASTWriterDecl.cpp clang/test/CodeGenCXX/dllexport.cpp clang/test/CodeGenCXX/microsoft-abi-extern-template.cpp clang/test/CodeGenCXX/microsoft-abi-structors.cpp clang/test/CodeGenCXX/microsoft-abi-thunks.cpp clang/test/CodeGenCXX/microsoft-abi-vftables.cpp clang/test/CodeGenCXX/microsoft-abi-virtual-inheritance.cpp clang/test/CodeGenCXX/microsoft-abi-vtables-multiple-nonvirtual-inheritance-vdtors.cpp clang/test/CodeGenCXX/microsoft-abi-vtables-return-thunks.cpp clang/test/CodeGenCXX/microsoft-abi-vtables-single-inheritance.cpp clang/test/CodeGenCXX/microsoft-abi-vtables-virtual-inheritance-vtordisps.cpp clang/test/CodeGenCXX/microsoft-abi-vtables-virtual-inheritance.cpp clang/test/CodeGenCXX/microsoft-no-rtti-data.cpp clang/test/CodeGenCXX/vtable-consteval.cpp clang/test/DebugInfo/CXX/windows-dtor.cpp clang/test/Modules/vtable-windows.cppm clang/test/Profile/cxx-abc-deleting-dtor.cpp lldb/source/Plugins/SymbolFile/DWARF/SymbolFileDWARF.cpp --diff_from_common_commit
View the diff from clang-format here.diff --git a/clang/lib/CodeGen/CGClass.cpp b/clang/lib/CodeGen/CGClass.cpp
index f782b0cd1..f2db79f26 100644
--- a/clang/lib/CodeGen/CGClass.cpp
+++ b/clang/lib/CodeGen/CGClass.cpp
@@ -1501,7 +1501,8 @@ void CodeGenFunction::EmitDestructorBody(FunctionArgList &Args) {
case Dtor_Unified:
llvm_unreachable("not expecting a unified dtor");
case Dtor_Comdat: llvm_unreachable("not expecting a COMDAT");
- case Dtor_Deleting: llvm_unreachable("already handled deleting case");
+ case Dtor_Deleting:
+ llvm_unreachable("already handled deleting case");
case Dtor_Complete:
assert((Body || getTarget().getCXXABI().isMicrosoft()) &&
diff --git a/clang/lib/CodeGen/CGExprCXX.cpp b/clang/lib/CodeGen/CGExprCXX.cpp
index 14d8db32b..c05a36678 100644
--- a/clang/lib/CodeGen/CGExprCXX.cpp
+++ b/clang/lib/CodeGen/CGExprCXX.cpp
@@ -1204,7 +1204,7 @@ void CodeGenFunction::EmitNewArrayInitializer(
NumElements,
llvm::ConstantInt::get(NumElements->getType(), InitListElements));
EmitCXXAggrConstructorCall(Ctor, NumElements, CurPtr, CCE,
- /*NewPointerIsChecked*/true,
+ /*NewPointerIsChecked*/ true,
CCE->requiresZeroInitialization());
return;
}
@@ -1912,10 +1912,8 @@ static void EmitDestroyingObjectDelete(CodeGenFunction &CGF,
/// Emit the code for deleting a single object.
/// \return \c true if we started emitting UnconditionalDeleteBlock, \c false
/// if not.
-static bool EmitObjectDelete(CodeGenFunction &CGF,
- const CXXDeleteExpr *DE,
- Address Ptr,
- QualType ElementType,
+static bool EmitObjectDelete(CodeGenFunction &CGF, const CXXDeleteExpr *DE,
+ Address Ptr, QualType ElementType,
llvm::BasicBlock *UnconditionalDeleteBlock) {
// C++11 [expr.delete]p3:
// If the static type of the object to be deleted is different from its
|
🐧 Linux x64 Test Results
|
This reverts commit c243406.
|
LLVM Buildbot has detected a new failure on builder Full details are available at: https://lab.llvm.org/buildbot/#/builders/88/builds/18403 Here is the relevant piece of the build log for the reference |
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…s" (llvm#169116) This reverts 4d10c11 and its two dependent commits: e6b9805 and c243406, see discussion in llvm#165598 (comment).
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…s" (llvm#169116) This reverts 4d10c11 and its two dependent commits: e6b9805 and c243406, see discussion in llvm#165598 (comment).
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…structors" (llvm#169116)" This reverts commit 54a4da9.
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…s" (llvm#169116) This reverts 4d10c11 and its two dependent commits: e6b9805 and c243406, see discussion in llvm#165598 (comment).
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This reverts 4d10c11 and its two dependent commits: e6b9805 and c243406, see discussion in #165598 (comment).