1 files changed, 18 insertions, 0 deletions
diff --git a/test/CodeGen/SystemZ/frame-11.ll b/test/CodeGen/SystemZ/frame-11.ll
new file mode 100644
index 0000000..8422205
--- /dev/null
+++ b/test/CodeGen/SystemZ/frame-11.ll
@@ -0,0 +1,18 @@
+; Test the stackrestore builtin.
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
+
+declare void @llvm.stackrestore(i8 *)
+
+; we should use a frame pointer and tear down the frame based on %r11
+; rather than %r15.
+define void @f1(i8 *%src) {
+; CHECK: f1:
+; CHECK: stmg %r11, %r15, 88(%r15)
+; CHECK: lgr %r11, %r15
+; CHECK: lgr %r15, %r2
+; CHECK: lmg %r11, %r15, 88(%r11)
+; CHECK: br %r14
+  call void @llvm.stackrestore(i8 *%src)
+  ret void
+}