Testcase that is miscompiled by the ppc backend

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23669 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/PowerPC/2005-10-08-ArithmeticRotate.ll b/test/CodeGen/PowerPC/2005-10-08-ArithmeticRotate.ll
new file mode 100644 (file)
index 0000000..44d725d
--- /dev/null
+++ b/test/CodeGen/PowerPC/2005-10-08-ArithmeticRotate.ll
@@ -0,0 +1,9 @@
+; This was erroneously being turned into an rlwinm instruction.
+; The sign bit does matter in this case.
+
+; RUN: llvm-as < %s | llc -march=ppc32 | grep srawi
+int %test(int %X) {
+       %Y = and int %X, -2
+       %Z = shr int %Y, ubyte 11
+       ret int %Z
+}