| // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-gc -emit-llvm -o - %s | FileCheck %s |
| |
| void test0(void) { |
| extern id test0_helper(void); |
| __attribute__((objc_precise_lifetime)) id x = test0_helper(); |
| test0_helper(); |
| // CHECK-LABEL: define{{.*}} void @test0() |
| // CHECK: [[T0:%.*]] = call ptr @test0_helper() |
| // CHECK-NEXT: store ptr [[T0]], ptr [[X:%.*]], align 8 |
| // CHECK-NEXT: call ptr @test0_helper() |
| // CHECK-NEXT: [[T0:%.*]] = load ptr, ptr [[X]], align 8 |
| // CHECK-NEXT: call void asm sideeffect "", "r"(ptr [[T0]]) [[NUW:#[0-9]+]] |
| // CHECK-NEXT: ret void |
| } |
| |
| // CHECK: attributes [[NUW]] = { nounwind } |
