xref: /aosp_15_r20/external/clang/test/CodeGen/attr-disable-tail-calls.c (revision 67e74705e28f6214e480b399dd47ea732279e315) 
1*67e74705SXin Li // RUN: %clang_cc1 -triple x86_64-apple-macosx10.7.0 %s -emit-llvm -mdisable-tail-calls -o - | FileCheck %s -check-prefix=DISABLE
2*67e74705SXin Li // RUN: %clang_cc1 -triple x86_64-apple-macosx10.7.0 %s -emit-llvm -o - | FileCheck %s -check-prefix=ENABLE
3*67e74705SXin Li 
4*67e74705SXin Li // DISABLE: define i32 @f1() [[ATTRTRUE:#[0-9]+]] {
5*67e74705SXin Li // DISABLE: define i32 @f2() [[ATTRTRUE]] {
6*67e74705SXin Li // ENABLE: define i32 @f1() [[ATTRFALSE:#[0-9]+]] {
7*67e74705SXin Li // ENABLE: define i32 @f2() [[ATTRTRUE:#[0-9]+]] {
8*67e74705SXin Li 
f1()9*67e74705SXin Li int f1() {
10*67e74705SXin Li   return 0;
11*67e74705SXin Li }
12*67e74705SXin Li 
f2()13*67e74705SXin Li int f2() __attribute__((disable_tail_calls)) {
14*67e74705SXin Li   return 0;
15*67e74705SXin Li }
16*67e74705SXin Li 
17*67e74705SXin Li // DISABLE: attributes [[ATTRTRUE]] = { {{.*}}"disable-tail-calls"="true"{{.*}} }
18*67e74705SXin Li // ENABLE: attributes [[ATTRFALSE]] = { {{.*}}"disable-tail-calls"="false"{{.*}} }
19*67e74705SXin Li // ENABLE: attributes [[ATTRTRUE]] = { {{.*}}"disable-tail-calls"="true"{{.*}} }
20