summaryrefslogtreecommitdiffstats
path: root/clang/lib/CodeGen/CGExprComplex.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'clang/lib/CodeGen/CGExprComplex.cpp')
-rw-r--r--clang/lib/CodeGen/CGExprComplex.cpp31
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());
OpenPOWER on IntegriCloud