New test.
llvm-svn: 36954
diff --git a/llvm/test/Transforms/LoopUnswitch/2007-05-09-tl.ll b/llvm/test/Transforms/LoopUnswitch/2007-05-09-tl.ll
new file mode 100644
index 0000000..adc07a9
--- /dev/null
+++ b/llvm/test/Transforms/LoopUnswitch/2007-05-09-tl.ll
@@ -0,0 +1,95 @@
+; RUN: llvm-as < %s | opt -loop-unswitch -disable-output
+; ModuleID = 'PR1333-2.bc'
+
+define void @pp_cxx_expression() {
+entry:
+ %tmp6 = lshr i32 0, 24 ; <i32> [#uses=1]
+ br label %tailrecurse
+
+tailrecurse: ; preds = %tailrecurse, %tailrecurse, %entry
+ switch i32 %tmp6, label %bb96 [
+ i32 24, label %bb10
+ i32 25, label %bb10
+ i32 28, label %bb10
+ i32 29, label %bb48
+ i32 31, label %bb48
+ i32 32, label %bb48
+ i32 33, label %bb48
+ i32 34, label %bb48
+ i32 36, label %bb15
+ i32 51, label %bb89
+ i32 52, label %bb89
+ i32 54, label %bb83
+ i32 57, label %bb59
+ i32 63, label %bb80
+ i32 64, label %bb80
+ i32 68, label %bb80
+ i32 169, label %bb75
+ i32 170, label %bb19
+ i32 171, label %bb63
+ i32 172, label %bb63
+ i32 173, label %bb67
+ i32 174, label %bb67
+ i32 175, label %bb19
+ i32 176, label %bb75
+ i32 178, label %bb59
+ i32 179, label %bb89
+ i32 180, label %bb59
+ i32 182, label %bb48
+ i32 183, label %bb48
+ i32 184, label %bb48
+ i32 185, label %bb48
+ i32 186, label %bb48
+ i32 195, label %bb48
+ i32 196, label %bb59
+ i32 197, label %bb89
+ i32 198, label %bb70
+ i32 199, label %bb59
+ i32 200, label %bb59
+ i32 201, label %bb59
+ i32 202, label %bb59
+ i32 203, label %bb75
+ i32 204, label %bb59
+ i32 205, label %tailrecurse
+ i32 210, label %tailrecurse
+ ]
+
+bb10: ; preds = %tailrecurse, %tailrecurse, %tailrecurse
+ ret void
+
+bb15: ; preds = %tailrecurse
+ ret void
+
+bb19: ; preds = %tailrecurse, %tailrecurse
+ ret void
+
+bb48: ; preds = %tailrecurse, %tailrecurse, %tailrecurse, %tailrecurse, %tailrecurse, %tailrecurse, %tailrecurse, %tailrecurse, %tailrecurse, %tailrecurse, %tailrecurse
+ ret void
+
+bb59: ; preds = %tailrecurse, %tailrecurse, %tailrecurse, %tailrecurse, %tailrecurse, %tailrecurse, %tailrecurse, %tailrecurse, %tailrecurse
+ ret void
+
+bb63: ; preds = %tailrecurse, %tailrecurse
+ ret void
+
+bb67: ; preds = %tailrecurse, %tailrecurse
+ ret void
+
+bb70: ; preds = %tailrecurse
+ ret void
+
+bb75: ; preds = %tailrecurse, %tailrecurse, %tailrecurse
+ ret void
+
+bb80: ; preds = %tailrecurse, %tailrecurse, %tailrecurse
+ ret void
+
+bb83: ; preds = %tailrecurse
+ ret void
+
+bb89: ; preds = %tailrecurse, %tailrecurse, %tailrecurse, %tailrecurse
+ ret void
+
+bb96: ; preds = %tailrecurse
+ ret void
+}