1// RUN: %clang_cc1 -triple x86_64-apple-macosx10.7.0 %s -emit-llvm -mdisable-tail-calls -o - | FileCheck %s -check-prefix=DISABLE
2// RUN: %clang_cc1 -triple x86_64-apple-macosx10.7.0 %s -emit-llvm -o - | FileCheck %s -check-prefix=ENABLE
3
4// DISABLE: define i32 @f1() [[ATTRTRUE:#[0-9]+]] {
5// DISABLE: define i32 @f2() [[ATTRTRUE]] {
6// ENABLE: define i32 @f1() [[ATTRFALSE:#[0-9]+]] {
7// ENABLE: define i32 @f2() [[ATTRTRUE:#[0-9]+]] {
8
9int f1() {
10  return 0;
11}
12
13int f2() __attribute__((disable_tail_calls)) {
14  return 0;
15}
16
17// DISABLE: attributes [[ATTRTRUE]] = { {{.*}}"disable-tail-calls"="true"{{.*}} }
18// ENABLE: attributes [[ATTRFALSE]] = { {{.*}}"disable-tail-calls"="false"{{.*}} }
19// ENABLE: attributes [[ATTRTRUE]] = { {{.*}}"disable-tail-calls"="true"{{.*}} }
20