| ; RUN: opt -regions -analyze < %s | FileCheck %s |
| ; RUN: opt -regions -stats < %s |& FileCheck -check-prefix=STAT %s |
| ; RUN: opt -regions -print-region-style=bb -analyze < %s |& FileCheck -check-prefix=BBIT %s |
| ; RUN: opt -regions -print-region-style=rn -analyze < %s |& FileCheck -check-prefix=RNIT %s |
| |
| define void @meread_() nounwind { |
| entry: |
| br label %bb23 |
| |
| bb23: |
| br label %bb.i |
| |
| bb.i: ; preds = %bb.i, %bb54 |
| br label %pflini_.exit |
| |
| pflini_.exit: ; preds = %bb.i |
| br label %bb58thread-split |
| |
| bb58thread-split: ; preds = %bb64, %bb61, %pflini_.exit |
| br label %bb58 |
| |
| bb58: ; preds = %bb60, %bb58thread-split |
| br i1 1, label %bb59, label %bb23 |
| |
| bb59: ; preds = %bb58 |
| switch i32 1, label %bb60 [ |
| i32 1, label %l98 |
| ] |
| |
| bb60: ; preds = %bb59 |
| br i1 1, label %bb61, label %bb58 |
| |
| bb61: ; preds = %bb60 |
| br label %bb58thread-split |
| |
| l98: ; preds = %bb69, %bb59 |
| ret void |
| } |
| ; CHECK-NOT: => |
| ; CHECK: [0] entry => <Function Return> |
| ; CHECK: [1] bb23 => l98 |
| ; STAT: 2 region - The # of regions |
| ; STAT: 1 region - The # of simple regions |
| |
| ; BBIT: entry, bb23, bb.i, pflini_.exit, bb58thread-split, bb58, bb59, bb60, bb61, l98, |
| ; BBIT: bb23, bb.i, pflini_.exit, bb58thread-split, bb58, bb59, bb60, bb61, |
| |
| ; RNIT: entry, bb23 => l98, l98, |
| ; RNIT: bb23, bb.i, pflini_.exit, bb58thread-split, bb58, bb59, bb60, bb61, |