| ; 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 internal fastcc zeroext i8 @handle_compress() nounwind { |
| end165: |
| br i1 1, label %false239, label %true181 |
| |
| true181: |
| br i1 1, label %then187, label %else232 |
| |
| then187: |
| br label %end265 |
| |
| else232: |
| br i1 1, label %false239, label %then245 |
| |
| false239: |
| br i1 1, label %then245, label %else259 |
| |
| then245: |
| br i1 1, label %then251, label %end253 |
| |
| then251: |
| br label %end253 |
| |
| end253: |
| br label %end265 |
| |
| else259: |
| br label %end265 |
| |
| end265: |
| br i1 1, label %then291, label %end298 |
| |
| then291: |
| br label %end298 |
| |
| end298: |
| ret i8 1 |
| } |
| |
| ; CHECK-NOT: => |
| ; CHECK: [0] end165 => <Function Return> |
| ; CHECK-NEXT: [1] end165 => end265 |
| ; CHECK-NEXT: [2] then245 => end253 |
| ; CHECK-NEXT: [1] end265 => end298 |
| |
| ; STAT: 4 region - The # of regions |
| |
| ; BBIT: end165, false239, then245, then251, end253, end265, then291, end298, else259, true181, then187, else232, |
| ; BBIT: end165, false239, then245, then251, end253, else259, true181, then187, else232, |
| ; BBIT: then245, then251, |
| ; BBIT: end265, then291, |
| |
| ; RNIT: end165 => end265, end265 => end298, end298, |
| ; RNIT: end165, false239, then245 => end253, end253, else259, true181, then187, else232, |
| ; RNIT: then245, then251, |
| ; RNIT: end265, then291, |
