| John McCall | d1e40d5 | 2011-10-02 01:16:38 +0000 | [diff] [blame] | 1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-gc -emit-llvm -o - %s | FileCheck %s |
| John McCall | 4027f09 | 2011-06-24 23:29:50 +0000 | [diff] [blame] | 2 | |
| 3 | void test0(void) { |
| 4 | extern id test0_helper(void); |
| 5 | __attribute__((objc_precise_lifetime)) id x = test0_helper(); |
| 6 | test0_helper(); |
| Stephen Lin | 93ab6bf | 2013-08-15 06:47:53 +0000 | [diff] [blame] | 7 | // CHECK-LABEL: define void @test0() |
| John McCall | 4027f09 | 2011-06-24 23:29:50 +0000 | [diff] [blame] | 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** [[X]], align 8 |
| Bill Wendling | 4e1125f | 2013-02-22 09:10:20 +0000 | [diff] [blame] | 12 | // CHECK-NEXT: call void asm sideeffect "", "r"(i8* [[T0]]) [[NUW:#[0-9]+]] |
| John McCall | 4027f09 | 2011-06-24 23:29:50 +0000 | [diff] [blame] | 13 | // CHECK-NEXT: ret void |
| 14 | } |
| Bill Wendling | 4e1125f | 2013-02-22 09:10:20 +0000 | [diff] [blame] | 15 | |
| 16 | // CHECK: attributes [[NUW]] = { nounwind } |