[Objective-C patch] Patch to fix a crash in IRGen because

of incorrect AST when a compound literal of Objective-C
property access is used to initialize a vertor of floats.
rdar://20407999


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@234176 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 21 insertions, 0 deletions

diff --git a/test/CodeGenObjC/compound-literal-property-access.m b/test/CodeGenObjC/compound-literal-property-access.m
new file mode 100644
index 0000000000..bc1bd78e0c
--- /dev/null
+++ b/test/CodeGenObjC/compound-literal-property-access.m
@@ -0,0 +1,21 @@
+// RUN: %clang_cc1 %s -emit-llvm -triple x86_64-apple-darwin -o - | FileCheck %s
+// rdar://20407999
+
+typedef __attribute__((__ext_vector_type__(2))) float vector_float2;
+
+@interface GPAgent2D
+@property (nonatomic, assign) vector_float2 position;
+@end
+
+@interface GPGoal @end
+
+@implementation GPGoal
+-(void)getForce {
+    GPAgent2D* targetAgent;
+    (vector_float2){targetAgent.position.x, targetAgent.position.y};
+}
+@end
+
+// CHECK: [[CL:%.*]] = alloca <2 x float>, align 8
+// CHECK: store <2 x float> [[VECINIT:%.*]], <2 x float>* [[CL]]
+// CHECK: [[FOURTEEN:%.*]] = load <2 x float>, <2 x float>* [[CL]]