new testcase

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23316 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/Transforms/LoopStrengthReduce/2005-09-12-UsesOutOutsideOfLoop.ll b/test/Transforms/LoopStrengthReduce/2005-09-12-UsesOutOutsideOfLoop.ll
new file mode 100644 (file)
index 0000000..0a84302
--- /dev/null
+++ b/test/Transforms/LoopStrengthReduce/2005-09-12-UsesOutOutsideOfLoop.ll
@@ -0,0 +1,43 @@
+; RUN: llvm-as < %s | opt -loop-reduce -disable-output
+
+void %main() {
+entry:
+       br label %loopentry.0
+
+loopentry.0:           ; preds = %then.5, %entry
+       %arg_index.1.ph = phi int [ 1, %entry ], [ %arg_index.1.ph.be, %then.5 ]                ; <int> [#uses=1]
+       br bool false, label %no_exit.0, label %loopexit.0
+
+no_exit.0:             ; preds = %loopentry.0
+       %arg_index.1.1 = add int 0, %arg_index.1.ph             ; <int> [#uses=2]
+       br bool false, label %then.i55, label %endif.i61
+
+then.i55:              ; preds = %no_exit.0
+       br bool false, label %then.4, label %else.1
+
+endif.i61:             ; preds = %no_exit.0
+       ret void
+
+then.4:                ; preds = %then.i55
+       %tmp.19993 = add int %arg_index.1.1, 2          ; <int> [#uses=0]
+       ret void
+
+else.1:                ; preds = %then.i55
+       br bool false, label %then.i86, label %loopexit.i97
+
+then.i86:              ; preds = %else.1
+       ret void
+
+loopexit.i97:          ; preds = %else.1
+       br bool false, label %then.5, label %else.2
+
+then.5:                ; preds = %loopexit.i97
+       %arg_index.1.ph.be = add int %arg_index.1.1, 2          ; <int> [#uses=1]
+       br label %loopentry.0
+
+else.2:                ; preds = %loopexit.i97
+       ret void
+
+loopexit.0:            ; preds = %loopentry.0
+       ret void
+}