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** [[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