From 1a50477385095bcbff8f62b53314c75a5a411122 Mon Sep 17 00:00:00 2001
From: Fariborz Jahanian <fjahanian@apple.com>
Date: Tue, 1 Sep 2009 17:02:21 +0000
Subject: [PATCH] Fixed a property getter ir-gen crash.

llvm-svn: 80681
---
 clang/lib/CodeGen/CGExpr.cpp                  |  5 +++--
 clang/lib/CodeGen/CGObjC.cpp                  |  1 +
 clang/test/CodeGenObjC/property-agrr-getter.m | 21 +++++++++++++++++++
 3 files changed, 25 insertions(+), 2 deletions(-)

diff --git a/clang/lib/CodeGen/CGExpr.cpp b/clang/lib/CodeGen/CGExpr.cpp
index 48326ee832ef..43120156f8a6 100644
--- a/clang/lib/CodeGen/CGExpr.cpp
+++ b/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())
diff --git a/clang/lib/CodeGen/CGObjC.cpp b/clang/lib/CodeGen/CGObjC.cpp
index 8c0c225d1ac6..58999129813b 100644
--- a/clang/lib/CodeGen/CGObjC.cpp
+++ b/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();
diff --git a/clang/test/CodeGenObjC/property-agrr-getter.m b/clang/test/CodeGenObjC/property-agrr-getter.m
index 0e9b040b1b98..46205796936f 100644
--- a/clang/test/CodeGenObjC/property-agrr-getter.m
+++ b/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;
+}