| ; RUN: opt < %s -loop-reduce -disable-output |
| |
| define void @try_swap() { |
| entry: |
| br i1 false, label %cond_continue.0.i, label %cond_false.0.i |
| cond_false.0.i: ; preds = %entry |
| ret void |
| cond_continue.0.i: ; preds = %entry |
| br i1 false, label %cond_continue.1.i, label %cond_false.1.i |
| cond_false.1.i: ; preds = %cond_continue.0.i |
| ret void |
| cond_continue.1.i: ; preds = %cond_continue.0.i |
| br i1 false, label %endif.3.i, label %else.0.i |
| endif.3.i: ; preds = %cond_continue.1.i |
| br i1 false, label %my_irand.exit82, label %endif.0.i62 |
| else.0.i: ; preds = %cond_continue.1.i |
| ret void |
| endif.0.i62: ; preds = %endif.3.i |
| ret void |
| my_irand.exit82: ; preds = %endif.3.i |
| br i1 false, label %else.2, label %then.4 |
| then.4: ; preds = %my_irand.exit82 |
| ret void |
| else.2: ; preds = %my_irand.exit82 |
| br i1 false, label %find_affected_nets.exit, label %loopentry.1.i107.outer.preheader |
| loopentry.1.i107.outer.preheader: ; preds = %else.2 |
| ret void |
| find_affected_nets.exit: ; preds = %else.2 |
| br i1 false, label %save_region_occ.exit, label %loopentry.1 |
| save_region_occ.exit: ; preds = %find_affected_nets.exit |
| br i1 false, label %no_exit.1.preheader, label %loopexit.1 |
| loopentry.1: ; preds = %find_affected_nets.exit |
| ret void |
| no_exit.1.preheader: ; preds = %save_region_occ.exit |
| ret void |
| loopexit.1: ; preds = %save_region_occ.exit |
| br i1 false, label %then.10, label %loopentry.3 |
| then.10: ; preds = %loopexit.1 |
| ret void |
| loopentry.3: ; preds = %endif.16, %loopexit.1 |
| %indvar342 = phi i32 [ %indvar.next343, %endif.16 ], [ 0, %loopexit.1 ] ; <i32> [#uses=2] |
| br i1 false, label %loopexit.3, label %endif.16 |
| endif.16: ; preds = %loopentry.3 |
| %indvar.next343 = add i32 %indvar342, 1 ; <i32> [#uses=1] |
| br label %loopentry.3 |
| loopexit.3: ; preds = %loopentry.3 |
| br label %loopentry.4 |
| loopentry.4: ; preds = %loopentry.4, %loopexit.3 |
| %indvar340 = phi i32 [ 0, %loopexit.3 ], [ %indvar.next341, %loopentry.4 ] ; <i32> [#uses=2] |
| %tmp. = add i32 %indvar340, %indvar342 ; <i32> [#uses=1] |
| %tmp.526 = load i32*, i32** null ; <i32*> [#uses=1] |
| %gep.upgrd.1 = zext i32 %tmp. to i64 ; <i64> [#uses=1] |
| %tmp.528 = getelementptr i32, i32* %tmp.526, i64 %gep.upgrd.1 ; <i32*> [#uses=1] |
| store i32 0, i32* %tmp.528 |
| %indvar.next341 = add i32 %indvar340, 1 ; <i32> [#uses=1] |
| br label %loopentry.4 |
| } |