diff options
Diffstat (limited to 'clang/lib/CodeGen/CGExprComplex.cpp')
-rw-r--r-- | clang/lib/CodeGen/CGExprComplex.cpp | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/clang/lib/CodeGen/CGExprComplex.cpp b/clang/lib/CodeGen/CGExprComplex.cpp index 980972370dc..f019e3586e3 100644 --- a/clang/lib/CodeGen/CGExprComplex.cpp +++ b/clang/lib/CodeGen/CGExprComplex.cpp @@ -120,18 +120,22 @@ public: return Visit(E->getSubExpr()); } + ComplexPairTy emitConstant(const CodeGenFunction::ConstantEmission &Constant, + Expr *E) { + assert(Constant && "not a constant"); + if (Constant.isReference()) + return EmitLoadOfLValue(Constant.getReferenceLValue(CGF, E), + E->getExprLoc()); + + llvm::Constant *pair = Constant.getValue(); + return ComplexPairTy(pair->getAggregateElement(0U), + pair->getAggregateElement(1U)); + } // l-values. ComplexPairTy VisitDeclRefExpr(DeclRefExpr *E) { - if (CodeGenFunction::ConstantEmission result = CGF.tryEmitAsConstant(E)) { - if (result.isReference()) - return EmitLoadOfLValue(result.getReferenceLValue(CGF, E), - E->getExprLoc()); - - llvm::Constant *pair = result.getValue(); - return ComplexPairTy(pair->getAggregateElement(0U), - pair->getAggregateElement(1U)); - } + if (CodeGenFunction::ConstantEmission Constant = CGF.tryEmitAsConstant(E)) + return emitConstant(Constant, E); return EmitLoadOfLValue(E); } ComplexPairTy VisitObjCIvarRefExpr(ObjCIvarRefExpr *E) { @@ -141,7 +145,14 @@ public: return CGF.EmitObjCMessageExpr(E).getComplexVal(); } ComplexPairTy VisitArraySubscriptExpr(Expr *E) { return EmitLoadOfLValue(E); } - ComplexPairTy VisitMemberExpr(const Expr *E) { return EmitLoadOfLValue(E); } + ComplexPairTy VisitMemberExpr(MemberExpr *ME) { + if (CodeGenFunction::ConstantEmission Constant = + CGF.tryEmitAsConstant(ME)) { + CGF.EmitIgnoredExpr(ME->getBase()); + return emitConstant(Constant, ME); + } + return EmitLoadOfLValue(ME); + } ComplexPairTy VisitOpaqueValueExpr(OpaqueValueExpr *E) { if (E->isGLValue()) return EmitLoadOfLValue(CGF.getOpaqueLValueMapping(E), E->getExprLoc()); |