testcase for the llvm.stacksave/llvm.stackrestore intrinsics.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25269 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/stacksave-restore.ll b/test/CodeGen/stacksave-restore.ll
new file mode 100644 (file)
index 0000000..8ef0dac
--- /dev/null
+++ b/test/CodeGen/stacksave-restore.ll
@@ -0,0 +1,12 @@
+; RUN: llvm-as < %s | llc
+
+declare sbyte* %llvm.stacksave()
+declare void %llvm.stackrestore(sbyte*)
+
+int *%test(uint %N) {
+       %tmp = call sbyte* %llvm.stacksave()
+       %P = alloca int, uint %N
+       call void %llvm.stackrestore(sbyte* %tmp)
+       %Q = alloca int, uint %N
+       ret int* %P
+}