New test.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@36954 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/LoopUnswitch/2007-05-09-tl.ll b/test/Transforms/LoopUnswitch/2007-05-09-tl.ll
new file mode 100644 (file)
index 0000000..adc07a9
--- /dev/null
+++ b/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
+}