1 | // RUN: %clang -target x86_64-linux-gnu -fsplit-stack -S -std=c++11 %s -emit-llvm -o - | FileCheck -check-prefix=CHECK-SEGSTK %s |
2 | // RUN: %clang -target x86_64-linux-gnu -S -std=c++11 %s -emit-llvm -o - | FileCheck -check-prefix=CHECK-NOSEGSTK %s |
3 | |
4 | int foo() { |
5 | return 0; |
6 | } |
7 | |
8 | template <typename T> |
9 | [[gnu::no_split_stack]] |
10 | int tnosplit() { |
11 | return 0; |
12 | } |
13 | |
14 | [[gnu::no_split_stack]] |
15 | int nosplit() { |
16 | return tnosplit<int>(); |
17 | } |
18 | |
19 | // CHECK-SEGSTK: define dso_local i32 @_Z3foov() [[SS:#[0-9]+]] { |
20 | // CHECK-SEGSTK: define dso_local i32 @_Z7nosplitv() [[NSS1:#[0-9]+]] { |
21 | // CHECK-SEGSTK: define linkonce_odr dso_local i32 @_Z8tnosplitIiEiv() [[NSS2:#[0-9]+]] comdat { |
22 | // CHECK-SEGSTK-NOT: [[NSS1]] = { {{.*}} "split-stack" {{.*}} } |
23 | // CHECK-SEGSTK-NOT: [[NSS2]] = { {{.*}} "split-stack" {{.*}} } |
24 | // CHECK-SEGSTK: [[SS]] = { {{.*}} "split-stack" {{.*}} } |
25 | // CHECK-SEGSTK-NOT: [[NSS1]] = { {{.*}} "split-stack" {{.*}} } |
26 | // CHECK-SEGSTK-NOT: [[NSS2]] = { {{.*}} "split-stack" {{.*}} } |
27 | |
28 | // CHECK-NOSEGSTK: define dso_local i32 @_Z3foov() [[NSS0:#[0-9]+]] { |
29 | // CHECK-NOSEGSTK: define dso_local i32 @_Z7nosplitv() [[NSS1:#[0-9]+]] { |
30 | // CHECK-NOSEGSTK: define linkonce_odr dso_local i32 @_Z8tnosplitIiEiv() [[NSS2:#[0-9]+]] comdat { |
31 | // CHECK-NOSEGSTK-NOT: [[NSS1]] = { {{.*}} "split-stack" {{.*}} } |
32 | // CHECK-NOSEGSTK-NOT: [[NSS2]] = { {{.*}} "split-stack" {{.*}} } |
33 | // CHECK-NOSEGSTK-NOT: [[NSS3]] = { {{.*}} "split-stack" {{.*}} } |
34 | |