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-rw-r--r--test/Transforms/LoopUnroll/2004-05-13-DontUnrollTooMuch.ll15
1 files changed, 15 insertions, 0 deletions
diff --git a/test/Transforms/LoopUnroll/2004-05-13-DontUnrollTooMuch.ll b/test/Transforms/LoopUnroll/2004-05-13-DontUnrollTooMuch.ll
new file mode 100644
index 0000000000..6edf281283
--- /dev/null
+++ b/test/Transforms/LoopUnroll/2004-05-13-DontUnrollTooMuch.ll
@@ -0,0 +1,15 @@
+; RUN: llvm-as < %s | opt -loop-unroll -disable-output
+
+int %main() {
+entry:
+ br label %no_exit
+
+no_exit: ; preds = %entry, %no_exit
+ %indvar = phi uint [ 0, %entry ], [ %indvar.next, %no_exit ] ; <uint> [#uses=1]
+ %indvar.next = add uint %indvar, 1 ; <uint> [#uses=2]
+ %exitcond = setne uint %indvar.next, 2147483648 ; <bool> [#uses=1]
+ br bool %exitcond, label %no_exit, label %loopexit
+
+loopexit: ; preds = %no_exit
+ ret int 0
+}