[Internalize] Test that __stack_chk_{guard, fail} are not internalized.

r154645 introduced this feature without test. This should have better
coverage now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@271853 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/Internalize/stackguard.ll b/test/Transforms/Internalize/stackguard.ll
new file mode 100644 (file)
index 0000000..e9dc6cc
--- /dev/null
+++ b/test/Transforms/Internalize/stackguard.ll
@@ -0,0 +1,9 @@
+; __stack_chk_guard and __stack_chk_fail should not be internalized.
+; RUN: opt < %s -internalize -S | FileCheck %s
+; RUN: opt < %s -passes=internalize -S | FileCheck %s
+
+; CHECK: @__stack_chk_guard = hidden global [8 x i64] zeroinitializer, align 16
+@__stack_chk_guard = hidden global [8 x i64] zeroinitializer, align 16
+
+; CHECK: @__stack_chk_fail = hidden global [8 x i64] zeroinitializer, align 16
+@__stack_chk_fail = hidden global [8 x i64] zeroinitializer, align 16