1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-gc -emit-llvm -o - %s | FileCheck %s |
2 | |
3 | void 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 | |