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
foo()4 int foo() {
5 return 0;
6 }
7
8 template <typename T>
9 [[gnu::no_split_stack]]
tnosplit()10 int tnosplit() {
11 return 0;
12 }
13
14 [[gnu::no_split_stack]]
nosplit()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