| Tobias Grosser | f96b006 | 2010-07-22 07:46:31 +0000 | [diff] [blame] | 1 | ; RUN: opt -regions -analyze < %s | FileCheck %s |
| Chandler Carruth | 49589f0 | 2012-07-02 18:37:59 +0000 | [diff] [blame] | 2 | ; RUN: opt -regions -stats < %s 2>&1 | FileCheck -check-prefix=STAT %s |
| 3 | ; RUN: opt -regions -print-region-style=bb -analyze < %s 2>&1 | FileCheck -check-prefix=BBIT %s |
| 4 | ; RUN: opt -regions -print-region-style=rn -analyze < %s 2>&1 | FileCheck -check-prefix=RNIT %s |
| Tobias Grosser | f96b006 | 2010-07-22 07:46:31 +0000 | [diff] [blame] | 5 | |
| 6 | define internal fastcc zeroext i8 @loops_1() nounwind { |
| 7 | entry: |
| 8 | br i1 1, label %outer , label %a |
| 9 | |
| 10 | a: |
| 11 | br label %body |
| 12 | |
| 13 | outer: |
| 14 | br label %body |
| 15 | |
| 16 | body: |
| 17 | br i1 1, label %land, label %if |
| 18 | |
| 19 | land: |
| 20 | br i1 1, label %exit, label %end |
| 21 | |
| 22 | exit: |
| 23 | br i1 1, label %if, label %end |
| 24 | |
| 25 | if: |
| 26 | br label %outer |
| 27 | |
| 28 | end: |
| 29 | ret i8 1 |
| 30 | } |
| 31 | ; CHECK-NOT: => |
| 32 | ; CHECK: [0] entry => <Function Return> |
| 33 | ; CHECK-NEXT: [1] entry => end |
| 34 | ; STAT: 2 region - The # of regions |
| 35 | |
| 36 | ; BBIT: entry, outer, body, land, exit, if, end, a, |
| 37 | ; BBIT: entry, outer, body, land, exit, if, a, |
| 38 | |
| 39 | ; RNIT: entry => end, end, |
| 40 | ; RNIT: entry, outer, body, land, exit, if, a, |