| 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 internal fastcc zeroext i8 @loops_1() nounwind { |
| 8 | entry: |
| 9 | br i1 1, label %outer , label %a |
| 10 | |
| 11 | a: |
| 12 | br label %body |
| 13 | |
| 14 | outer: |
| 15 | br label %body |
| 16 | |
| 17 | body: |
| 18 | br i1 1, label %land, label %if |
| 19 | |
| 20 | land: |
| 21 | br i1 1, label %exit, label %end |
| 22 | |
| 23 | exit: |
| 24 | br i1 1, label %if, label %end |
| 25 | |
| 26 | if: |
| 27 | br label %outer |
| 28 | |
| 29 | end: |
| 30 | ret i8 1 |
| 31 | } |
| 32 | ; CHECK-NOT: => |
| 33 | ; CHECK: [0] entry => <Function Return> |
| 34 | ; CHECK-NEXT: [1] entry => end |
| 35 | ; STAT: 2 region - The # of regions |
| 36 | |
| 37 | ; BBIT: entry, outer, body, land, exit, if, end, a, |
| 38 | ; BBIT: entry, outer, body, land, exit, if, a, |
| 39 | |
| 40 | ; RNIT: entry => end, end, |
| 41 | ; RNIT: entry, outer, body, land, exit, if, a, |