Fixed a property getter ir-gen crash.

llvm-svn: 80681

clang/lib/CodeGen/CGExpr.cpp

@@ -1026,8 +1026,9 @@ LValue CodeGenFunction::EmitMemberExpr(const MemberExpr *E) {
     if (PTy->getPointeeType()->isUnionType())
       isUnion = true;
     CVRQualifiers = PTy->getPointeeType().getCVRQualifiers();
-  } else if (isa<ObjCPropertyRefExpr>(BaseExpr) ||
-             isa<ObjCImplicitSetterGetterRefExpr>(BaseExpr)) {
+  } else if (isa<ObjCPropertyRefExpr>(BaseExpr->IgnoreParens()) ||
+             isa<ObjCImplicitSetterGetterRefExpr>(
+               BaseExpr->IgnoreParens())) {
     RValue RV = EmitObjCPropertyGet(BaseExpr);
     BaseValue = RV.getAggregateAddr();
     if (BaseExpr->getType()->isUnionType())

clang/lib/CodeGen/CGObjC.cpp

@@ -327,6 +327,7 @@ RValue CodeGenFunction::EmitObjCSuperPropertyGet(const Expr *Exp,
 }
 
 RValue CodeGenFunction::EmitObjCPropertyGet(const Expr *Exp) {
+  Exp = Exp->IgnoreParens();
   // FIXME: Split it into two separate routines.
   if (const ObjCPropertyRefExpr *E = dyn_cast<ObjCPropertyRefExpr>(Exp)) {
     Selector S = E->getProperty()->getGetterName();

clang/test/CodeGenObjC/property-agrr-getter.m

@@ -15,3 +15,24 @@ typedef struct {
 }
 @end
 
+
+typedef struct _NSSize {
+    float width;
+    float height;
+} NSSize;
+
+
+@interface AnObject
+{
+ NSSize size;
+}
+
+@property NSSize size;
+
+@end
+
+float f ()
+{
+  AnObject* obj;
+  return (obj.size).width;
+}