Vendor import of clang RELEASE_350/final tag r216957 (effectively, 3.5.0 release):

https://llvm.org/svn/llvm-project/cfe/tags/RELEASE_350/final@216957

1 files changed, 26 insertions, 0 deletions

diff --git a/test/CodeGen/split-stacks.c b/test/CodeGen/split-stacks.c
new file mode 100644
index 0000000..bf4cf0f
--- /dev/null
+++ b/test/CodeGen/split-stacks.c
@@ -0,0 +1,26 @@
+// RUN: %clang -target x86_64-linux-gnu -fsplit-stack -S %s -emit-llvm -o - | FileCheck -check-prefix=CHECK-SEGSTK %s
+// RUN: %clang -target x86_64-linux-gnu -S %s -emit-llvm -o - | FileCheck -check-prefix=CHECK-NOSEGSTK %s
+
+int foo() {
+  return 0;
+}
+
+__attribute__((no_split_stack))
+int nosplit() {
+  return 0;
+}
+
+int main() {
+  return foo();
+}
+
+// CHECK-SEGSTK: define i32 @foo() [[SS:#[0-9]+]] {
+// CHECK-SEGSTK: define i32 @nosplit() [[NSS:#[0-9]+]] {
+// CHECK-SEGSTK: define i32 @main() [[SS]] {
+// CHECK-SEGSTK-NOT: [[NSS]] = { {{.*}} "split-stack" {{.*}} }
+// CHECK-SEGSTK: [[SS]] = { {{.*}} "split-stack" {{.*}} }
+// CHECK-SEGSTK-NOT: [[NSS]] = { {{.*}} "split-stack" {{.*}} }
+
+// CHECK-NOSEGSTK: define i32 @foo() #0 {
+// CHECK-NOSEGSTK: define i32 @main() #0 {
+// CHECK-NOSEGSTK-NOT: #0 = { {{.*}} "split-stack" {{.*}} }