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-rw-r--r--lib/CodeGen/Mangle.cpp98
1 files changed, 51 insertions, 47 deletions
diff --git a/lib/CodeGen/Mangle.cpp b/lib/CodeGen/Mangle.cpp
index f2a73f1..077db7c 100644
--- a/lib/CodeGen/Mangle.cpp
+++ b/lib/CodeGen/Mangle.cpp
@@ -102,7 +102,7 @@ public:
llvm::raw_svector_ostream &getStream() { return Out; }
void mangle(const NamedDecl *D, llvm::StringRef Prefix = "_Z");
- void mangleCallOffset(const ThunkAdjustment &Adjustment);
+ void mangleCallOffset(int64_t NonVirtual, int64_t Virtual);
void mangleNumber(int64_t Number);
void mangleFunctionEncoding(const FunctionDecl *FD);
void mangleName(const NamedDecl *ND);
@@ -439,23 +439,23 @@ void CXXNameMangler::mangleNumber(int64_t Number) {
Out << Number;
}
-void CXXNameMangler::mangleCallOffset(const ThunkAdjustment &Adjustment) {
+void CXXNameMangler::mangleCallOffset(int64_t NonVirtual, int64_t Virtual) {
// <call-offset> ::= h <nv-offset> _
// ::= v <v-offset> _
// <nv-offset> ::= <offset number> # non-virtual base override
// <v-offset> ::= <offset number> _ <virtual offset number>
// # virtual base override, with vcall offset
- if (!Adjustment.Virtual) {
+ if (!Virtual) {
Out << 'h';
- mangleNumber(Adjustment.NonVirtual);
+ mangleNumber(NonVirtual);
Out << '_';
return;
}
Out << 'v';
- mangleNumber(Adjustment.NonVirtual);
+ mangleNumber(NonVirtual);
Out << '_';
- mangleNumber(Adjustment.Virtual);
+ mangleNumber(Virtual);
Out << '_';
}
@@ -1131,15 +1131,20 @@ void CXXNameMangler::mangleType(const ComplexType *T) {
}
// GNU extension: vector types
+// <type> ::= <vector-type>
+// <vector-type> ::= Dv <positive dimension number> _ <element type>
+// ::= Dv [<dimension expression>] _ <element type>
void CXXNameMangler::mangleType(const VectorType *T) {
- Out << "U8__vector";
+ Out << "Dv" << T->getNumElements() << '_';
mangleType(T->getElementType());
}
void CXXNameMangler::mangleType(const ExtVectorType *T) {
mangleType(static_cast<const VectorType*>(T));
}
void CXXNameMangler::mangleType(const DependentSizedExtVectorType *T) {
- Out << "U8__vector";
+ Out << "Dv";
+ mangleExpression(T->getSizeExpr());
+ Out << '_';
mangleType(T->getElementType());
}
@@ -1159,7 +1164,7 @@ void CXXNameMangler::mangleType(const TemplateSpecializationType *T) {
mangleName(TD, T->getArgs(), T->getNumArgs());
}
-void CXXNameMangler::mangleType(const TypenameType *T) {
+void CXXNameMangler::mangleType(const DependentNameType *T) {
// Typename types are always nested
Out << 'N';
mangleUnresolvedScope(T->getQualifier());
@@ -1451,8 +1456,9 @@ void CXXNameMangler::mangleExpression(const Expr *E) {
// It isn't clear that we ever actually want to have such a
// nested-name-specifier; why not just represent it as a typename type?
if (!QTy && NNS->getAsIdentifier() && NNS->getPrefix()) {
- QTy = getASTContext().getTypenameType(NNS->getPrefix(),
- NNS->getAsIdentifier())
+ QTy = getASTContext().getDependentNameType(ETK_Typename,
+ NNS->getPrefix(),
+ NNS->getAsIdentifier())
.getTypePtr();
}
assert(QTy && "Qualifier was not type!");
@@ -1862,52 +1868,50 @@ void MangleContext::mangleCXXDtor(const CXXDestructorDecl *D, CXXDtorType Type,
Mangler.mangle(D);
}
-/// \brief Mangles the a thunk with the offset n for the declaration D and
-/// emits that name to the given output stream.
-void MangleContext::mangleThunk(const FunctionDecl *FD,
- const ThunkAdjustment &ThisAdjustment,
+void MangleContext::mangleThunk(const CXXMethodDecl *MD,
+ const ThunkInfo &Thunk,
llvm::SmallVectorImpl<char> &Res) {
- assert(!isa<CXXDestructorDecl>(FD) &&
- "Use mangleCXXDtor for destructor decls!");
-
// <special-name> ::= T <call-offset> <base encoding>
// # base is the nominal target function of thunk
+ // <special-name> ::= Tc <call-offset> <call-offset> <base encoding>
+ // # base is the nominal target function of thunk
+ // # first call-offset is 'this' adjustment
+ // # second call-offset is result adjustment
+
+ assert(!isa<CXXDestructorDecl>(MD) &&
+ "Use mangleCXXDtor for destructor decls!");
+
CXXNameMangler Mangler(*this, Res);
Mangler.getStream() << "_ZT";
- Mangler.mangleCallOffset(ThisAdjustment);
- Mangler.mangleFunctionEncoding(FD);
-}
-
-void MangleContext::mangleCXXDtorThunk(const CXXDestructorDecl *D,
- CXXDtorType Type,
- const ThunkAdjustment &ThisAdjustment,
- llvm::SmallVectorImpl<char> &Res) {
+ if (!Thunk.Return.isEmpty())
+ Mangler.getStream() << 'c';
+
+ // Mangle the 'this' pointer adjustment.
+ Mangler.mangleCallOffset(Thunk.This.NonVirtual, Thunk.This.VCallOffsetOffset);
+
+ // Mangle the return pointer adjustment if there is one.
+ if (!Thunk.Return.isEmpty())
+ Mangler.mangleCallOffset(Thunk.Return.NonVirtual,
+ Thunk.Return.VBaseOffsetOffset);
+
+ Mangler.mangleFunctionEncoding(MD);
+}
+
+void
+MangleContext::mangleCXXDtorThunk(const CXXDestructorDecl *DD, CXXDtorType Type,
+ const ThisAdjustment &ThisAdjustment,
+ llvm::SmallVectorImpl<char> &Res) {
// <special-name> ::= T <call-offset> <base encoding>
// # base is the nominal target function of thunk
- CXXNameMangler Mangler(*this, Res, D, Type);
+
+ CXXNameMangler Mangler(*this, Res, DD, Type);
Mangler.getStream() << "_ZT";
- Mangler.mangleCallOffset(ThisAdjustment);
- Mangler.mangleFunctionEncoding(D);
-}
-/// \brief Mangles the a covariant thunk for the declaration D and emits that
-/// name to the given output stream.
-void
-MangleContext::mangleCovariantThunk(const FunctionDecl *FD,
- const CovariantThunkAdjustment& Adjustment,
- llvm::SmallVectorImpl<char> &Res) {
- assert(!isa<CXXDestructorDecl>(FD) &&
- "No such thing as a covariant thunk for a destructor!");
+ // Mangle the 'this' pointer adjustment.
+ Mangler.mangleCallOffset(ThisAdjustment.NonVirtual,
+ ThisAdjustment.VCallOffsetOffset);
- // <special-name> ::= Tc <call-offset> <call-offset> <base encoding>
- // # base is the nominal target function of thunk
- // # first call-offset is 'this' adjustment
- // # second call-offset is result adjustment
- CXXNameMangler Mangler(*this, Res);
- Mangler.getStream() << "_ZTc";
- Mangler.mangleCallOffset(Adjustment.ThisAdjustment);
- Mangler.mangleCallOffset(Adjustment.ReturnAdjustment);
- Mangler.mangleFunctionEncoding(FD);
+ Mangler.mangleFunctionEncoding(DD);
}
/// mangleGuardVariable - Returns the mangled name for a guard variable
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