--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/llvm/test/Transforms/LICM/2003-02-27-PreheaderProblem.ll	Thu Feb 13 15:10:13 2020 +0900
@@ -0,0 +1,24 @@
+; Here we have a case where there are two loops and LICM is hoisting an 
+; instruction from one loop into the other loop!  This is obviously bad and 
+; happens because preheader insertion doesn't insert a preheader for this
+; case... bad.
+
+; RUN: opt < %s -licm -loop-deletion -simplifycfg -S | \
+; RUN:   not grep "br "
+
+define i32 @main(i32 %argc) {
+; <label>:0
+	br label %bb5
+bb5:		; preds = %bb5, %0
+	%I = phi i32 [ 0, %0 ], [ %I2, %bb5 ]		; <i32> [#uses=1]
+	%I2 = add i32 %I, 1		; <i32> [#uses=2]
+	%c = icmp eq i32 %I2, 10		; <i1> [#uses=1]
+	br i1 %c, label %bb5, label %bb8
+bb8:		; preds = %bb8, %bb5
+	%cann-indvar = phi i32 [ 0, %bb8 ], [ 0, %bb5 ]		; <i32> [#uses=0]
+	%X = add i32 %argc, %argc		; <i32> [#uses=1]
+	br i1 false, label %bb8, label %bb10
+bb10:		; preds = %bb8
+	ret i32 %X
+}
+