unwind-attr.c revision d620e09c13b1ca32434ce440abf5bb0f3d0979c5
1// RUN: %clang_cc1 -triple i386-unknown-unknown -fexceptions -emit-llvm -o - %s | FileCheck %s
2// RUN: %clang_cc1 -triple i386-unknown-unknown -emit-llvm -o - %s | FileCheck -check-prefix NOEXC %s
3
4int opaque();
5
6// CHECK:       define [[INT:i.*]] @test0() [[NONE:#[0-9]+]] {
7// CHECK-NOEXC: define [[INT:i.*]] @test0() [[NUW:#[0-9]+]] {
8int test0(void) {
9  return opaque();
10}
11
12// <rdar://problem/8087431>: locally infer nounwind at -O0
13// CHECK:       define [[INT:i.*]] @test1() [[NUW:#[0-9]+]] {
14// CHECK-NOEXC: define [[INT:i.*]] @test1() [[NUW]] {
15int test1(void) {
16  return 0;
17}
18
19// <rdar://problem/8283071>: not for weak functions
20// CHECK:       define weak [[INT:i.*]] @test2() [[NONE]] {
21// CHECK-NOEXC: define weak [[INT:i.*]] @test2() [[NUW]] {
22__attribute__((weak)) int test2(void) {
23  return 0;
24}
25
26// CHECK: attributes [[NONE]] = { {{.*}} }
27// CHECK: attributes [[NUW]] = { nounwind{{.*}} }
28
29// CHECK-NOEXC: attributes [[NUW]] = { nounwind{{.*}} }
30