New testcase that LICM is breaking crafty on

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10408 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/LICM/2003-12-11-SinkingToPHI.ll b/test/Transforms/LICM/2003-12-11-SinkingToPHI.ll
new file mode 100644 (file)
index 0000000..ecbc130
--- /dev/null
+++ b/test/Transforms/LICM/2003-12-11-SinkingToPHI.ll
@@ -0,0 +1,20 @@
+; RUN: llvm-as < %s | opt -licm | lli
+
+implementation   ; Functions:
+
+int %main() {
+entry:
+       br label %Loop
+
+Loop:
+       br bool true, label %LoopCont, label %Out
+LoopCont:
+       %X = add int 1, 0
+       br bool true, label %Out, label %Loop
+
+Out:
+       %V = phi int [ 2, %Loop], [ %X, %LoopCont]
+       %V2 = sub int %V, 1
+       ret int %V2
+}
+