| Jan Wen Voung | 6dc3076 | 2013-03-12 16:27:52 +0000 | [diff] [blame] | 1 | ; REQUIRES: asserts |
| Tobias Grosser | 336734a | 2010-07-22 07:46:31 +0000 | [diff] [blame] | 2 | ; RUN: opt -regions -analyze < %s | FileCheck %s |
| Chandler Carruth | 5da5343 | 2012-07-02 18:37:59 +0000 | [diff] [blame] | 3 | ; RUN: opt -regions -stats < %s 2>&1 | FileCheck -check-prefix=STAT %s |
| 4 | ; RUN: opt -regions -print-region-style=bb -analyze < %s 2>&1 | FileCheck -check-prefix=BBIT %s |
| 5 | ; RUN: opt -regions -print-region-style=rn -analyze < %s 2>&1 | FileCheck -check-prefix=RNIT %s |
| Tobias Grosser | 336734a | 2010-07-22 07:46:31 +0000 | [diff] [blame] | 6 | |
| 7 | define void @meread_() nounwind { |
| 8 | entry: |
| 9 | br label %bb23 |
| 10 | |
| 11 | bb23: |
| 12 | br label %bb.i |
| 13 | |
| 14 | bb.i: ; preds = %bb.i, %bb54 |
| 15 | br label %pflini_.exit |
| 16 | |
| 17 | pflini_.exit: ; preds = %bb.i |
| 18 | br label %bb58thread-split |
| 19 | |
| 20 | bb58thread-split: ; preds = %bb64, %bb61, %pflini_.exit |
| 21 | br label %bb58 |
| 22 | |
| 23 | bb58: ; preds = %bb60, %bb58thread-split |
| 24 | br i1 1, label %bb59, label %bb23 |
| 25 | |
| 26 | bb59: ; preds = %bb58 |
| 27 | switch i32 1, label %bb60 [ |
| 28 | i32 1, label %l98 |
| 29 | ] |
| 30 | |
| 31 | bb60: ; preds = %bb59 |
| 32 | br i1 1, label %bb61, label %bb58 |
| 33 | |
| 34 | bb61: ; preds = %bb60 |
| 35 | br label %bb58thread-split |
| 36 | |
| 37 | l98: ; preds = %bb69, %bb59 |
| 38 | ret void |
| 39 | } |
| 40 | ; CHECK-NOT: => |
| 41 | ; CHECK: [0] entry => <Function Return> |
| 42 | ; CHECK: [1] bb23 => l98 |
| 43 | ; STAT: 2 region - The # of regions |
| 44 | ; STAT: 1 region - The # of simple regions |
| 45 | |
| 46 | ; BBIT: entry, bb23, bb.i, pflini_.exit, bb58thread-split, bb58, bb59, bb60, bb61, l98, |
| 47 | ; BBIT: bb23, bb.i, pflini_.exit, bb58thread-split, bb58, bb59, bb60, bb61, |
| 48 | |
| 49 | ; RNIT: entry, bb23 => l98, l98, |
| 50 | ; RNIT: bb23, bb.i, pflini_.exit, bb58thread-split, bb58, bb59, bb60, bb61, |