New testcase for PR532
llvm-svn: 20492
diff --git a/llvm/test/Regression/Transforms/LoopUnroll/2005-03-06-BadLoopInfoUpdate.ll b/llvm/test/Regression/Transforms/LoopUnroll/2005-03-06-BadLoopInfoUpdate.ll
new file mode 100644
index 0000000..b587259
--- /dev/null
+++ b/llvm/test/Regression/Transforms/LoopUnroll/2005-03-06-BadLoopInfoUpdate.ll
@@ -0,0 +1,29 @@
+; RUN: llvm-as < %s | opt -loop-unroll -loopsimplify -disable-output
+
+implementation ; Functions:
+
+void %print_board() {
+entry:
+ br label %no_exit.1
+
+no_exit.1: ; preds = %cond_false.2, %entry
+ br label %no_exit.2
+
+no_exit.2: ; preds = %no_exit.2, %no_exit.1
+ %indvar1 = phi uint [ 0, %no_exit.1 ], [ %indvar.next2, %no_exit.2 ] ; <uint> [#uses=1]
+ %indvar.next2 = add uint %indvar1, 1 ; <uint> [#uses=2]
+ %exitcond3 = setne uint %indvar.next2, 7 ; <bool> [#uses=1]
+ br bool %exitcond3, label %no_exit.2, label %loopexit.2
+
+loopexit.2: ; preds = %no_exit.2
+ br bool false, label %cond_true.2, label %cond_false.2
+
+cond_true.2: ; preds = %loopexit.2
+ ret void
+
+cond_false.2: ; preds = %loopexit.2
+ br bool false, label %no_exit.1, label %loopexit.1
+
+loopexit.1: ; preds = %cond_false.2
+ ret void
+}