1// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-gc -emit-llvm -o - %s | FileCheck %s
2
3void test0(void) {
4  extern id test0_helper(void);
5  __attribute__((objc_precise_lifetime)) id x = test0_helper();
6  test0_helper();
7  // CHECK-LABEL: define void @test0()
8  // CHECK:      [[T0:%.*]] = call i8* @test0_helper()
9  // CHECK-NEXT: store i8* [[T0]], i8** [[X:%.*]], align 8
10  // CHECK-NEXT: call i8* @test0_helper()
11  // CHECK-NEXT: [[T0:%.*]] = load i8*, i8** [[X]], align 8
12  // CHECK-NEXT: call void asm sideeffect "", "r"(i8* [[T0]]) [[NUW:#[0-9]+]]
13  // CHECK-NEXT: ret void
14}
15
16// CHECK: attributes [[NUW]] = { nounwind }
17