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Differential D145088 Diff 518072 clang/lib/AST/ItaniumMangle.cpp

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clang/lib/AST/ItaniumMangle.cpp

Show First 20 Lines • Show All 557 Lines • ▼ Show 20 Lines#include "clang/AST/TypeNodes.inc"
void mangleBareFunctionType(const FunctionProtoType *T, bool MangleReturnType, void mangleBareFunctionType(const FunctionProtoType *T, bool MangleReturnType,
const FunctionDecl *FD = nullptr); const FunctionDecl *FD = nullptr);
void mangleNeonVectorType(const VectorType *T); void mangleNeonVectorType(const VectorType *T);
void mangleNeonVectorType(const DependentVectorType *T); void mangleNeonVectorType(const DependentVectorType *T);
void mangleAArch64NeonVectorType(const VectorType *T); void mangleAArch64NeonVectorType(const VectorType *T);
void mangleAArch64NeonVectorType(const DependentVectorType *T); void mangleAArch64NeonVectorType(const DependentVectorType *T);
void mangleAArch64FixedSveVectorType(const VectorType *T); void mangleAArch64FixedSveVectorType(const VectorType *T);
void mangleAArch64FixedSveVectorType(const DependentVectorType *T); void mangleAArch64FixedSveVectorType(const DependentVectorType *T);
void mangleRISCVFixedRVVVectorType(const VectorType *T);
void mangleRISCVFixedRVVVectorType(const DependentVectorType *T);
void mangleIntegerLiteral(QualType T, const llvm::APSInt &Value); void mangleIntegerLiteral(QualType T, const llvm::APSInt &Value);
void mangleFloatLiteral(QualType T, const llvm::APFloat &V); void mangleFloatLiteral(QualType T, const llvm::APFloat &V);
void mangleFixedPointLiteral(); void mangleFixedPointLiteral();
void mangleNullPointer(QualType T); void mangleNullPointer(QualType T);
void mangleMemberExprBase(const Expr *base, bool isArrow); void mangleMemberExprBase(const Expr *base, bool isArrow);
void mangleMemberExpr(const Expr *base, bool isArrow, void mangleMemberExpr(const Expr *base, bool isArrow,
▲ Show 20 Lines • Show All 3,233 Lines • ▼ Show 20 Linesvoid CXXNameMangler::mangleAArch64FixedSveVectorType(
const DependentVectorType *T) { const DependentVectorType *T) {
DiagnosticsEngine &Diags = Context.getDiags(); DiagnosticsEngine &Diags = Context.getDiags();
unsigned DiagID = Diags.getCustomDiagID( unsigned DiagID = Diags.getCustomDiagID(
DiagnosticsEngine::Error, DiagnosticsEngine::Error,
"cannot mangle this dependent fixed-length SVE vector type yet"); "cannot mangle this dependent fixed-length SVE vector type yet");
Diags.Report(T->getAttributeLoc(), DiagID); Diags.Report(T->getAttributeLoc(), DiagID);
} }
void CXXNameMangler::mangleRISCVFixedRVVVectorType(const VectorType *T) {
assert(T->getVectorKind() == VectorType::RVVFixedLengthDataVector &&
"expected fixed-length RVV vector!");
QualType EltType = T->getElementType();
assert(EltType->isBuiltinType() &&
"expected builtin type for fixed-length RVV vector!");
StringRef TypeName;
switch (cast<BuiltinType>(EltType)->getKind()) {
case BuiltinType::SChar:
TypeName = "__rvv_int8m1_t";
break;
case BuiltinType::UChar:
TypeName = "__rvv_uint8m1_t";
break;
case BuiltinType::Short:
TypeName = "__rvv_int16m1_t";
break;
case BuiltinType::UShort:
TypeName = "__rvv_uint16m1_t";
break;
case BuiltinType::Int:
TypeName = "__rvv_int32m1_t";
break;
case BuiltinType::UInt:
TypeName = "__rvv_uint32m1_t";
break;
case BuiltinType::Long:
TypeName = "__rvv_int64m1_t";
break;
case BuiltinType::ULong:
TypeName = "__rvv_uint64m1_t";
break;
case BuiltinType::Half:
TypeName = "__rvv_float16m1_t";
break;
case BuiltinType::Float:
TypeName = "__rvv_float32m1_t";
break;
case BuiltinType::Double:
TypeName = "__rvv_float64m1_t";
break;
default:
llvm_unreachable("unexpected element type for fixed-length RVV vector!");
}
unsigned VecSizeInBits = getASTContext().getTypeInfo(T).Width;
Out << "9__RVV_VLSI" << 'u' << TypeName.size() << TypeName << "Lj"
<< VecSizeInBits << "EE";
}
void CXXNameMangler::mangleRISCVFixedRVVVectorType(
const DependentVectorType *T) {
DiagnosticsEngine &Diags = Context.getDiags();
unsigned DiagID = Diags.getCustomDiagID(
DiagnosticsEngine::Error,
"cannot mangle this dependent fixed-length RVV vector type yet");
Diags.Report(T->getAttributeLoc(), DiagID);
}
// GNU extension: vector types // GNU extension: vector types
// <type> ::= <vector-type> // <type> ::= <vector-type>
// <vector-type> ::= Dv <positive dimension number> _ // <vector-type> ::= Dv <positive dimension number> _
// <extended element type> // <extended element type>
// ::= Dv [<dimension expression>] _ <element type> // ::= Dv [<dimension expression>] _ <element type>
// <extended element type> ::= <element type> // <extended element type> ::= <element type>
// ::= p # AltiVec vector pixel // ::= p # AltiVec vector pixel
// ::= b # Altivec vector bool // ::= b # Altivec vector bool
void CXXNameMangler::mangleType(const VectorType *T) { void CXXNameMangler::mangleType(const VectorType *T) {
if ((T->getVectorKind() == VectorType::NeonVector || if ((T->getVectorKind() == VectorType::NeonVector ||
T->getVectorKind() == VectorType::NeonPolyVector)) { T->getVectorKind() == VectorType::NeonPolyVector)) {
llvm::Triple Target = getASTContext().getTargetInfo().getTriple(); llvm::Triple Target = getASTContext().getTargetInfo().getTriple();
llvm::Triple::ArchType Arch = llvm::Triple::ArchType Arch =
getASTContext().getTargetInfo().getTriple().getArch(); getASTContext().getTargetInfo().getTriple().getArch();
if ((Arch == llvm::Triple::aarch64 || if ((Arch == llvm::Triple::aarch64 ||
Arch == llvm::Triple::aarch64_be) && !Target.isOSDarwin()) Arch == llvm::Triple::aarch64_be) && !Target.isOSDarwin())
mangleAArch64NeonVectorType(T); mangleAArch64NeonVectorType(T);
else else
mangleNeonVectorType(T); mangleNeonVectorType(T);
return; return;
} else if (T->getVectorKind() == VectorType::SveFixedLengthDataVector || } else if (T->getVectorKind() == VectorType::SveFixedLengthDataVector ||
T->getVectorKind() == VectorType::SveFixedLengthPredicateVector) { T->getVectorKind() == VectorType::SveFixedLengthPredicateVector) {
mangleAArch64FixedSveVectorType(T); mangleAArch64FixedSveVectorType(T);
return; return;
} else if (T->getVectorKind() == VectorType::RVVFixedLengthDataVector) {
mangleRISCVFixedRVVVectorType(T);
return;
aaron.ballmanUnsubmitted
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Should there be corresponding changes to the Microsoft mangler as well?

aaron.ballman: Should there be corresponding changes to the Microsoft mangler as well?
craig.topperAuthorUnsubmitted
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Good question. I don't see the equivalent SVE handling in the Microsoft mangler.

craig.topper: Good question. I don't see the equivalent SVE handling in the Microsoft mangler.
aaron.ballmanUnsubmitted
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I'm fine if you want to address that issue in a follow-up.

aaron.ballman: I'm fine if you want to address that issue in a follow-up.
} }
Out << "Dv" << T->getNumElements() << '_'; Out << "Dv" << T->getNumElements() << '_';
if (T->getVectorKind() == VectorType::AltiVecPixel) if (T->getVectorKind() == VectorType::AltiVecPixel)
Out << 'p'; Out << 'p';
else if (T->getVectorKind() == VectorType::AltiVecBool) else if (T->getVectorKind() == VectorType::AltiVecBool)
Out << 'b'; Out << 'b';
else else
mangleType(T->getElementType()); mangleType(T->getElementType());
Show All 10 Lines if ((Arch == llvm::Triple::aarch64 || Arch == llvm::Triple::aarch64_be) &&
mangleAArch64NeonVectorType(T); mangleAArch64NeonVectorType(T);
else else
mangleNeonVectorType(T); mangleNeonVectorType(T);
return; return;
} else if (T->getVectorKind() == VectorType::SveFixedLengthDataVector || } else if (T->getVectorKind() == VectorType::SveFixedLengthDataVector ||
T->getVectorKind() == VectorType::SveFixedLengthPredicateVector) { T->getVectorKind() == VectorType::SveFixedLengthPredicateVector) {
mangleAArch64FixedSveVectorType(T); mangleAArch64FixedSveVectorType(T);
return; return;
} else if (T->getVectorKind() == VectorType::RVVFixedLengthDataVector) {
mangleRISCVFixedRVVVectorType(T);
return;
aaron.ballmanUnsubmitted
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Same here.

aaron.ballman: Same here.
} }
Out << "Dv"; Out << "Dv";
mangleExpression(T->getSizeExpr()); mangleExpression(T->getSizeExpr());
Out << '_'; Out << '_';
if (T->getVectorKind() == VectorType::AltiVecPixel) if (T->getVectorKind() == VectorType::AltiVecPixel)
Out << 'p'; Out << 'p';
else if (T->getVectorKind() == VectorType::AltiVecBool) else if (T->getVectorKind() == VectorType::AltiVecBool)
▲ Show 20 Lines • Show All 2,810 Lines • Show Last 20 Lines