| Reid Kleckner | fb873af | 2014-04-10 22:59:13 +0000 | [diff] [blame] | 1 | // RUN: %clang -target x86_64-linux-gnu -fsplit-stack -S %s -emit-llvm -o - | FileCheck -check-prefix=CHECK-SEGSTK %s |
| 2 | // RUN: %clang -target x86_64-linux-gnu -S %s -emit-llvm -o - | FileCheck -check-prefix=CHECK-NOSEGSTK %s |
| 3 | |
| 4 | int foo() { |
| 5 | return 0; |
| 6 | } |
| 7 | |
| Peter Collingbourne | b4728c1 | 2014-05-19 22:14:34 +0000 | [diff] [blame] | 8 | __attribute__((no_split_stack)) |
| 9 | int nosplit() { |
| 10 | return 0; |
| 11 | } |
| 12 | |
| Reid Kleckner | fb873af | 2014-04-10 22:59:13 +0000 | [diff] [blame] | 13 | int main() { |
| 14 | return foo(); |
| 15 | } |
| 16 | |
| Peter Collingbourne | b4728c1 | 2014-05-19 22:14:34 +0000 | [diff] [blame] | 17 | // CHECK-SEGSTK: define i32 @foo() [[SS:#[0-9]+]] { |
| 18 | // CHECK-SEGSTK: define i32 @nosplit() [[NSS:#[0-9]+]] { |
| 19 | // CHECK-SEGSTK: define i32 @main() [[SS]] { |
| 20 | // CHECK-SEGSTK-NOT: [[NSS]] = { {{.*}} "split-stack" {{.*}} } |
| 21 | // CHECK-SEGSTK: [[SS]] = { {{.*}} "split-stack" {{.*}} } |
| 22 | // CHECK-SEGSTK-NOT: [[NSS]] = { {{.*}} "split-stack" {{.*}} } |
| Reid Kleckner | fb873af | 2014-04-10 22:59:13 +0000 | [diff] [blame] | 23 | |
| 24 | // CHECK-NOSEGSTK: define i32 @foo() #0 { |
| 25 | // CHECK-NOSEGSTK: define i32 @main() #0 { |
| 26 | // CHECK-NOSEGSTK-NOT: #0 = { {{.*}} "split-stack" {{.*}} } |