xref: /minix3/external/bsd/llvm/dist/clang/test/CodeGen/split-stacks.c (revision 0a6a1f1d05b60e214de2f05a7310ddd1f0e590e7) 
1*0a6a1f1dSLionel Sambuc // RUN: %clang -target x86_64-linux-gnu -fsplit-stack -S %s -emit-llvm -o - | FileCheck -check-prefix=CHECK-SEGSTK %s
2*0a6a1f1dSLionel Sambuc // RUN: %clang -target x86_64-linux-gnu -S %s -emit-llvm -o - | FileCheck -check-prefix=CHECK-NOSEGSTK %s
3*0a6a1f1dSLionel Sambuc 
foo()4*0a6a1f1dSLionel Sambuc int foo() {
5*0a6a1f1dSLionel Sambuc   return 0;
6*0a6a1f1dSLionel Sambuc }
7*0a6a1f1dSLionel Sambuc 
8*0a6a1f1dSLionel Sambuc __attribute__((no_split_stack))
nosplit()9*0a6a1f1dSLionel Sambuc int nosplit() {
10*0a6a1f1dSLionel Sambuc   return 0;
11*0a6a1f1dSLionel Sambuc }
12*0a6a1f1dSLionel Sambuc 
main()13*0a6a1f1dSLionel Sambuc int main() {
14*0a6a1f1dSLionel Sambuc   return foo();
15*0a6a1f1dSLionel Sambuc }
16*0a6a1f1dSLionel Sambuc 
17*0a6a1f1dSLionel Sambuc // CHECK-SEGSTK: define i32 @foo() [[SS:#[0-9]+]] {
18*0a6a1f1dSLionel Sambuc // CHECK-SEGSTK: define i32 @nosplit() [[NSS:#[0-9]+]] {
19*0a6a1f1dSLionel Sambuc // CHECK-SEGSTK: define i32 @main() [[SS]] {
20*0a6a1f1dSLionel Sambuc // CHECK-SEGSTK-NOT: [[NSS]] = { {{.*}} "split-stack" {{.*}} }
21*0a6a1f1dSLionel Sambuc // CHECK-SEGSTK: [[SS]] = { {{.*}} "split-stack" {{.*}} }
22*0a6a1f1dSLionel Sambuc // CHECK-SEGSTK-NOT: [[NSS]] = { {{.*}} "split-stack" {{.*}} }
23*0a6a1f1dSLionel Sambuc 
24*0a6a1f1dSLionel Sambuc // CHECK-NOSEGSTK: define i32 @foo() #0 {
25*0a6a1f1dSLionel Sambuc // CHECK-NOSEGSTK: define i32 @main() #0 {
26*0a6a1f1dSLionel Sambuc // CHECK-NOSEGSTK-NOT: #0 = { {{.*}} "split-stack" {{.*}} }
27