diff options
Diffstat (limited to 'clang/lib/CodeGen/CGExpr.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CGExpr.cpp | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CGExpr.cpp b/clang/lib/CodeGen/CGExpr.cpp index d3d1c61fe99..2266b25c682 100644 --- a/clang/lib/CodeGen/CGExpr.cpp +++ b/clang/lib/CodeGen/CGExpr.cpp @@ -866,6 +866,9 @@ LValue CodeGenFunction::EmitDeclRefLValue(const DeclRefExpr *E) { llvm::Value *V = LocalDeclMap[IPD]; assert(V && "BlockVarDecl not entered in LocalDeclMap?"); return LValue::MakeAddr(V, MakeQualifiers(E->getType())); + } else if (const QualifiedDeclRefExpr *QDRExpr = + dyn_cast<QualifiedDeclRefExpr>(E)) { + return EmitPointerToDataMemberLValue(QDRExpr); } assert(0 && "Unimp declref"); //an invalid LValue, but the assert will @@ -1513,6 +1516,24 @@ LValue CodeGenFunction::EmitStmtExprLValue(const StmtExpr *E) { } +LValue CodeGenFunction::EmitPointerToDataMemberLValue( + const QualifiedDeclRefExpr *E) { + const FieldDecl *Field = cast<FieldDecl>(E->getDecl()); + const NestedNameSpecifier *NNSpec = E->getQualifier(); + const Type *NNSpecType = NNSpec->getAsType(); + QualType NNSpecTy = getContext().getCanonicalType(QualType(NNSpecType, 0)); + NNSpecTy = getContext().getPointerType(NNSpecTy); + llvm::Value *V = llvm::Constant::getNullValue(ConvertType(NNSpecTy)); + LValue MemExpLV = EmitLValueForField(V, const_cast<FieldDecl*>(Field), + /*isUnion*/false, /*Qualifiers*/0); + const llvm::Type* ResultType = ConvertType( + getContext().getPointerDiffType()); + V = Builder.CreatePtrToInt(MemExpLV.getAddress(), ResultType, + "datamember"); + LValue LV = LValue::MakeAddr(V, MakeQualifiers(E->getType())); + return LV; +} + RValue CodeGenFunction::EmitCall(llvm::Value *Callee, QualType CalleeType, CallExpr::const_arg_iterator ArgBeg, CallExpr::const_arg_iterator ArgEnd, |
