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-rw-r--r--clang/lib/AST/MicrosoftMangle.cpp51
1 files changed, 31 insertions, 20 deletions
diff --git a/clang/lib/AST/MicrosoftMangle.cpp b/clang/lib/AST/MicrosoftMangle.cpp
index 09075e60142a..cdd2c93c4b14 100644
--- a/clang/lib/AST/MicrosoftMangle.cpp
+++ b/clang/lib/AST/MicrosoftMangle.cpp
@@ -35,6 +35,7 @@
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/StringSaver.h"
#include "llvm/Support/xxhash.h"
+#include <optional>
using namespace clang;
@@ -142,8 +143,8 @@ class MicrosoftMangleContextImpl : public MicrosoftMangleContext {
llvm::DenseMap<DiscriminatorKeyTy, unsigned> Discriminator;
llvm::DenseMap<const NamedDecl *, unsigned> Uniquifier;
llvm::DenseMap<const CXXRecordDecl *, unsigned> LambdaIds;
- llvm::DenseMap<const NamedDecl *, unsigned> SEHFilterIds;
- llvm::DenseMap<const NamedDecl *, unsigned> SEHFinallyIds;
+ llvm::DenseMap<GlobalDecl, unsigned> SEHFilterIds;
+ llvm::DenseMap<GlobalDecl, unsigned> SEHFinallyIds;
SmallString<16> AnonymousNamespaceHash;
public:
@@ -201,9 +202,9 @@ public:
void mangleDynamicInitializer(const VarDecl *D, raw_ostream &Out) override;
void mangleDynamicAtExitDestructor(const VarDecl *D,
raw_ostream &Out) override;
- void mangleSEHFilterExpression(const NamedDecl *EnclosingDecl,
+ void mangleSEHFilterExpression(GlobalDecl EnclosingDecl,
raw_ostream &Out) override;
- void mangleSEHFinallyBlock(const NamedDecl *EnclosingDecl,
+ void mangleSEHFinallyBlock(GlobalDecl EnclosingDecl,
raw_ostream &Out) override;
void mangleStringLiteral(const StringLiteral *SL, raw_ostream &Out) override;
bool getNextDiscriminator(const NamedDecl *ND, unsigned &disc) {
@@ -340,22 +341,22 @@ public:
MicrosoftCXXNameMangler(MicrosoftMangleContextImpl &C, raw_ostream &Out_)
: Context(C), Out(Out_), Structor(nullptr), StructorType(-1),
TemplateArgStringStorage(TemplateArgStringStorageAlloc),
- PointersAre64Bit(C.getASTContext().getTargetInfo().getPointerWidth(0) ==
- 64) {}
+ PointersAre64Bit(C.getASTContext().getTargetInfo().getPointerWidth(
+ LangAS::Default) == 64) {}
MicrosoftCXXNameMangler(MicrosoftMangleContextImpl &C, raw_ostream &Out_,
const CXXConstructorDecl *D, CXXCtorType Type)
: Context(C), Out(Out_), Structor(getStructor(D)), StructorType(Type),
TemplateArgStringStorage(TemplateArgStringStorageAlloc),
- PointersAre64Bit(C.getASTContext().getTargetInfo().getPointerWidth(0) ==
- 64) {}
+ PointersAre64Bit(C.getASTContext().getTargetInfo().getPointerWidth(
+ LangAS::Default) == 64) {}
MicrosoftCXXNameMangler(MicrosoftMangleContextImpl &C, raw_ostream &Out_,
const CXXDestructorDecl *D, CXXDtorType Type)
: Context(C), Out(Out_), Structor(getStructor(D)), StructorType(Type),
TemplateArgStringStorage(TemplateArgStringStorageAlloc),
- PointersAre64Bit(C.getASTContext().getTargetInfo().getPointerWidth(0) ==
- 64) {}
+ PointersAre64Bit(C.getASTContext().getTargetInfo().getPointerWidth(
+ LangAS::Default) == 64) {}
raw_ostream &getStream() const { return Out; }
@@ -376,7 +377,7 @@ public:
void mangleBits(llvm::APInt Number);
void mangleTagTypeKind(TagTypeKind TK);
void mangleArtificialTagType(TagTypeKind TK, StringRef UnqualifiedName,
- ArrayRef<StringRef> NestedNames = None);
+ ArrayRef<StringRef> NestedNames = std::nullopt);
void mangleAddressSpaceType(QualType T, Qualifiers Quals, SourceRange Range);
void mangleType(QualType T, SourceRange Range,
QualifierMangleMode QMM = QMM_Mangle);
@@ -776,7 +777,7 @@ void MicrosoftCXXNameMangler::mangleVirtualMemPtrThunk(
const CXXMethodDecl *MD, const MethodVFTableLocation &ML) {
// Get the vftable offset.
CharUnits PointerWidth = getASTContext().toCharUnitsFromBits(
- getASTContext().getTargetInfo().getPointerWidth(0));
+ getASTContext().getTargetInfo().getPointerWidth(LangAS::Default));
uint64_t OffsetInVFTable = ML.Index * PointerWidth.getQuantity();
Out << "?_9";
@@ -838,6 +839,9 @@ void MicrosoftCXXNameMangler::mangleFloat(llvm::APFloat Number) {
case APFloat::S_x87DoubleExtended: Out << 'X'; break;
case APFloat::S_IEEEquad: Out << 'Y'; break;
case APFloat::S_PPCDoubleDouble: Out << 'Z'; break;
+ case APFloat::S_Float8E5M2:
+ case APFloat::S_Float8E4M3FN:
+ llvm_unreachable("Tried to mangle unexpected APFloat semantics");
}
mangleBits(Number.bitcastToAPInt());
@@ -1505,7 +1509,7 @@ void MicrosoftCXXNameMangler::mangleIntegerLiteral(
void MicrosoftCXXNameMangler::mangleExpression(
const Expr *E, const NonTypeTemplateParmDecl *PD) {
// See if this is a constant expression.
- if (Optional<llvm::APSInt> Value =
+ if (std::optional<llvm::APSInt> Value =
E->getIntegerConstantExpr(Context.getASTContext())) {
mangleIntegerLiteral(*Value, PD, E->getType());
return;
@@ -2469,6 +2473,10 @@ void MicrosoftCXXNameMangler::mangleType(const BuiltinType *T, Qualifiers,
Out << "$halff@";
break;
+ case BuiltinType::BFloat16:
+ mangleArtificialTagType(TTK_Struct, "__bf16", {"__clang"});
+ break;
+
#define SVE_TYPE(Name, Id, SingletonId) \
case BuiltinType::Id:
#include "clang/Basic/AArch64SVEACLETypes.def"
@@ -2501,7 +2509,6 @@ void MicrosoftCXXNameMangler::mangleType(const BuiltinType *T, Qualifiers,
case BuiltinType::SatUShortFract:
case BuiltinType::SatUFract:
case BuiltinType::SatULongFract:
- case BuiltinType::BFloat16:
case BuiltinType::Ibm128:
case BuiltinType::Float128: {
DiagnosticsEngine &Diags = Context.getDiags();
@@ -3070,14 +3077,17 @@ bool MicrosoftCXXNameMangler::isArtificialTagType(QualType T) const {
void MicrosoftCXXNameMangler::mangleType(const VectorType *T, Qualifiers Quals,
SourceRange Range) {
- const BuiltinType *ET = T->getElementType()->getAs<BuiltinType>();
- assert(ET && "vectors with non-builtin elements are unsupported");
+ QualType EltTy = T->getElementType();
+ const BuiltinType *ET = EltTy->getAs<BuiltinType>();
+ const BitIntType *BitIntTy = EltTy->getAs<BitIntType>();
+ assert((ET || BitIntTy) &&
+ "vectors with non-builtin/_BitInt elements are unsupported");
uint64_t Width = getASTContext().getTypeSize(T);
// Pattern match exactly the typedefs in our intrinsic headers. Anything that
// doesn't match the Intel types uses a custom mangling below.
size_t OutSizeBefore = Out.tell();
if (!isa<ExtVectorType>(T)) {
- if (getASTContext().getTargetInfo().getTriple().isX86()) {
+ if (getASTContext().getTargetInfo().getTriple().isX86() && ET) {
if (Width == 64 && ET->getKind() == BuiltinType::LongLong) {
mangleArtificialTagType(TTK_Union, "__m64");
} else if (Width >= 128) {
@@ -3102,7 +3112,8 @@ void MicrosoftCXXNameMangler::mangleType(const VectorType *T, Qualifiers Quals,
MicrosoftCXXNameMangler Extra(Context, Stream);
Stream << "?$";
Extra.mangleSourceName("__vector");
- Extra.mangleType(QualType(ET, 0), Range, QMM_Escape);
+ Extra.mangleType(QualType(ET ? static_cast<const Type *>(ET) : BitIntTy, 0),
+ Range, QMM_Escape);
Extra.mangleIntegerLiteral(llvm::APSInt::getUnsigned(T->getNumElements()));
mangleArtificialTagType(TTK_Union, TemplateMangling, {"__clang"});
@@ -3720,7 +3731,7 @@ void MicrosoftMangleContextImpl::mangleCXXRTTICompleteObjectLocator(
}
void MicrosoftMangleContextImpl::mangleSEHFilterExpression(
- const NamedDecl *EnclosingDecl, raw_ostream &Out) {
+ GlobalDecl EnclosingDecl, raw_ostream &Out) {
msvc_hashing_ostream MHO(Out);
MicrosoftCXXNameMangler Mangler(*this, MHO);
// The function body is in the same comdat as the function with the handler,
@@ -3732,7 +3743,7 @@ void MicrosoftMangleContextImpl::mangleSEHFilterExpression(
}
void MicrosoftMangleContextImpl::mangleSEHFinallyBlock(
- const NamedDecl *EnclosingDecl, raw_ostream &Out) {
+ GlobalDecl EnclosingDecl, raw_ostream &Out) {
msvc_hashing_ostream MHO(Out);
MicrosoftCXXNameMangler Mangler(*this, MHO);
// The function body is in the same comdat as the function with the handler,
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-04 23:48:58 +0000