| ; RUN: opt < %s -simplifycfg -disable-output |
| ; PR 2777 |
| @g_103 = common global i32 0 ; <i32*> [#uses=1] |
| |
| define i32 @func_127(i32 %p_129) nounwind { |
| entry: |
| load i32, i32* @g_103, align 4 ; <i32>:0 [#uses=1] |
| icmp eq i32 %0, 0 ; <i1>:1 [#uses=2] |
| br i1 %1, label %bb6.preheader, label %entry.return_crit_edge |
| |
| entry.return_crit_edge: ; preds = %entry |
| br label %return |
| |
| bb6.preheader: ; preds = %entry |
| br i1 %1, label %bb6.preheader.split.us, label %bb6.preheader.split |
| |
| bb6.preheader.split.us: ; preds = %bb6.preheader |
| br label %return.loopexit.split |
| |
| bb6.preheader.split: ; preds = %bb6.preheader |
| br label %bb6 |
| |
| bb6: ; preds = %bb17.bb6_crit_edge, %bb6.preheader.split |
| %indvar35 = phi i32 [ 0, %bb6.preheader.split ], [ %indvar.next36, %bb17.bb6_crit_edge ] ; <i32> [#uses=1] |
| %p_129_addr.3.reg2mem.0 = phi i32 [ %p_129_addr.2, %bb17.bb6_crit_edge ], [ %p_129, %bb6.preheader.split ] ; <i32> [#uses=3] |
| icmp eq i32 %p_129_addr.3.reg2mem.0, 0 ; <i1>:2 [#uses=1] |
| br i1 %2, label %bb6.bb17_crit_edge, label %bb8 |
| |
| bb6.bb17_crit_edge: ; preds = %bb6 |
| br label %bb17 |
| |
| bb8: ; preds = %bb6 |
| br label %bb13 |
| |
| bb13: ; preds = %bb8 |
| br label %bb17 |
| |
| bb17: ; preds = %bb13, %bb6.bb17_crit_edge |
| %p_129_addr.2 = phi i32 [ %p_129_addr.3.reg2mem.0, %bb13 ], [ %p_129_addr.3.reg2mem.0, %bb6.bb17_crit_edge ] ; <i32> [#uses=1] |
| %indvar.next36 = add i32 %indvar35, 1 ; <i32> [#uses=2] |
| %exitcond37 = icmp eq i32 %indvar.next36, -1 ; <i1> [#uses=1] |
| br i1 %exitcond37, label %return.loopexit, label %bb17.bb6_crit_edge |
| |
| bb17.bb6_crit_edge: ; preds = %bb17 |
| br label %bb6 |
| |
| return.loopexit: ; preds = %bb17 |
| br label %return.loopexit.split |
| |
| return.loopexit.split: ; preds = %return.loopexit, %bb6.preheader.split.us |
| br label %return |
| |
| return: ; preds = %return.loopexit.split, %entry.return_crit_edge |
| ret i32 1 |
| } |
| |
| define i32 @func_135(i8 zeroext %p_137, i32 %p_138, i32 %p_140) nounwind { |
| entry: |
| ret i32 undef |
| } |
