; LoopSimplify is breaking LICM on this testcase because the exit blocks from ; the loop are reachable from more than just the exit nodes: the exit blocks ; have predecessors from outside of the loop! ; ; This is distilled from a monsterous crafty example. ; RUN: opt < %s -licm -disable-output @G = weak global i32 0 ; <i32*> [#uses=7] define i32 @main() { entry: store i32 123, i32* @G br label %loopentry.i loopentry.i: ; preds = %endif.1.i, %entry %tmp.0.i = load i32* @G ; <i32> [#uses=1] %tmp.1.i = icmp eq i32 %tmp.0.i, 123 ; <i1> [#uses=1] br i1 %tmp.1.i, label %Out.i, label %endif.0.i endif.0.i: ; preds = %loopentry.i %tmp.3.i = load i32* @G ; <i32> [#uses=1] %tmp.4.i = icmp eq i32 %tmp.3.i, 126 ; <i1> [#uses=1] br i1 %tmp.4.i, label %ExitBlock.i, label %endif.1.i endif.1.i: ; preds = %endif.0.i %tmp.6.i = load i32* @G ; <i32> [#uses=1] %inc.i = add i32 %tmp.6.i, 1 ; <i32> [#uses=1] store i32 %inc.i, i32* @G br label %loopentry.i Out.i: ; preds = %loopentry.i store i32 0, i32* @G br label %ExitBlock.i ExitBlock.i: ; preds = %Out.i, %endif.0.i %tmp.7.i = load i32* @G ; <i32> [#uses=1] ret i32 %tmp.7.i }