new testcase that crashes -reassociate

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23018 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/Reassociate/2005-08-24-Crash.ll b/test/Transforms/Reassociate/2005-08-24-Crash.ll
new file mode 100644 (file)
index 0000000..c1d5259
--- /dev/null
+++ b/test/Transforms/Reassociate/2005-08-24-Crash.ll
@@ -0,0 +1,12 @@
+; RUN: llvm-as < %s | opt -reassociate -disable-output
+
+void %test(int %a, int %b, int %c, int %d) {
+       %tmp.2 = xor int %a, %b         ; <int> [#uses=1]
+       %tmp.5 = xor int %c, %d         ; <int> [#uses=1]
+       %tmp.6 = xor int %tmp.2, %tmp.5         ; <int> [#uses=1]
+       %tmp.9 = xor int %c, %a         ; <int> [#uses=1]
+       %tmp.12 = xor int %b, %d                ; <int> [#uses=1]
+       %tmp.13 = xor int %tmp.9, %tmp.12               ; <int> [#uses=1]
+       %tmp.16 = xor int %tmp.6, %tmp.13               ; <int> [#uses=0]
+       ret void
+}