; 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 }