| 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 @handle_compress() nounwind { |
| 8 | end165: |
| 9 | br i1 1, label %false239, label %true181 |
| 10 | |
| 11 | true181: |
| 12 | br i1 1, label %then187, label %else232 |
| 13 | |
| 14 | then187: |
| 15 | br label %end265 |
| 16 | |
| 17 | else232: |
| 18 | br i1 1, label %false239, label %then245 |
| 19 | |
| 20 | false239: |
| 21 | br i1 1, label %then245, label %else259 |
| 22 | |
| 23 | then245: |
| 24 | br i1 1, label %then251, label %end253 |
| 25 | |
| 26 | then251: |
| 27 | br label %end253 |
| 28 | |
| 29 | end253: |
| 30 | br label %end265 |
| 31 | |
| 32 | else259: |
| 33 | br label %end265 |
| 34 | |
| 35 | end265: |
| 36 | br i1 1, label %then291, label %end298 |
| 37 | |
| 38 | then291: |
| 39 | br label %end298 |
| 40 | |
| 41 | end298: |
| 42 | ret i8 1 |
| 43 | } |
| 44 | |
| 45 | ; CHECK-NOT: => |
| 46 | ; CHECK: [0] end165 => <Function Return> |
| 47 | ; CHECK-NEXT: [1] end165 => end265 |
| 48 | ; CHECK-NEXT: [2] then245 => end253 |
| 49 | ; CHECK-NEXT: [1] end265 => end298 |
| 50 | |
| 51 | ; STAT: 4 region - The # of regions |
| 52 | |
| 53 | ; BBIT: end165, false239, then245, then251, end253, end265, then291, end298, else259, true181, then187, else232, |
| 54 | ; BBIT: end165, false239, then245, then251, end253, else259, true181, then187, else232, |
| 55 | ; BBIT: then245, then251, |
| 56 | ; BBIT: end265, then291, |
| 57 | |
| 58 | ; RNIT: end165 => end265, end265 => end298, end298, |
| 59 | ; RNIT: end165, false239, then245 => end253, end253, else259, true181, then187, else232, |
| 60 | ; RNIT: then245, then251, |
| 61 | ; RNIT: end265, then291, |