xref: /minix3/external/bsd/llvm/dist/clang/test/CodeGenObjC/gc.m (revision f4a2713ac843a11c696ec80c0a5e3e5d80b4d338) 
1*f4a2713aSLionel Sambuc// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fobjc-gc -emit-llvm -o - %s | FileCheck %s
2*f4a2713aSLionel Sambuc
3*f4a2713aSLionel Sambucvoid test0(void) {
4*f4a2713aSLionel Sambuc  extern id test0_helper(void);
5*f4a2713aSLionel Sambuc  __attribute__((objc_precise_lifetime)) id x = test0_helper();
6*f4a2713aSLionel Sambuc  test0_helper();
7*f4a2713aSLionel Sambuc  // CHECK-LABEL: define void @test0()
8*f4a2713aSLionel Sambuc  // CHECK:      [[T0:%.*]] = call i8* @test0_helper()
9*f4a2713aSLionel Sambuc  // CHECK-NEXT: store i8* [[T0]], i8** [[X:%.*]], align 8
10*f4a2713aSLionel Sambuc  // CHECK-NEXT: call i8* @test0_helper()
11*f4a2713aSLionel Sambuc  // CHECK-NEXT: [[T0:%.*]] = load i8** [[X]], align 8
12*f4a2713aSLionel Sambuc  // CHECK-NEXT: call void asm sideeffect "", "r"(i8* [[T0]]) [[NUW:#[0-9]+]]
13*f4a2713aSLionel Sambuc  // CHECK-NEXT: ret void
14*f4a2713aSLionel Sambuc}
15*f4a2713aSLionel Sambuc
16*f4a2713aSLionel Sambuc// CHECK: attributes [[NUW]] = { nounwind }
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