new testcase for PR586

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22235 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/InstCombine/2005-06-16-SetCCOrSetCCMiscompile.ll b/test/Transforms/InstCombine/2005-06-16-SetCCOrSetCCMiscompile.ll
new file mode 100644 (file)
index 0000000..5347097
--- /dev/null
+++ b/test/Transforms/InstCombine/2005-06-16-SetCCOrSetCCMiscompile.ll
@@ -0,0 +1,15 @@
+; RUN: llvm-as < %s | opt -instcombine | llvm-dis | grep 'ret bool true'
+; PR586
+
+%g_07918478 = external global uint             ; <uint*> [#uses=1]
+
+implementation   ; Functions:
+
+bool %test() {
+       %tmp.0 = load uint* %g_07918478         ; <uint> [#uses=2]
+       %tmp.1 = setne uint %tmp.0, 0           ; <bool> [#uses=1]
+       %tmp.4 = setlt uint %tmp.0, 4111                ; <bool> [#uses=1]
+       %bothcond = or bool %tmp.1, %tmp.4              ; <bool> [#uses=1]
+       ret bool %bothcond
+}
+