New testcase for PR237: [x86] wierd stack/frame pointer manipulation

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11456 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/X86/2004-02-14-InefficientStackPointer.llx b/test/CodeGen/X86/2004-02-14-InefficientStackPointer.llx
new file mode 100644 (file)
index 0000000..f7e4cc8
--- /dev/null
+++ b/test/CodeGen/X86/2004-02-14-InefficientStackPointer.llx
@@ -0,0 +1,5 @@
+; RUN: llvm-as < %s | llc -march=x86 | grep ESP | not grep sub
+
+int %test(int %X) {
+       ret int %X
+}