| ; 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 @loops_1() nounwind { |
| entry: |
| br i1 1, label %outer , label %a |
| |
| a: |
| br label %body |
| |
| outer: |
| br label %body |
| |
| body: |
| br i1 1, label %land, label %if |
| |
| land: |
| br i1 1, label %exit, label %end |
| |
| exit: |
| br i1 1, label %if, label %end |
| |
| if: |
| br label %outer |
| |
| end: |
| ret i8 1 |
| } |
| ; CHECK-NOT: => |
| ; CHECK: [0] entry => <Function Return> |
| ; CHECK-NEXT: [1] entry => end |
| ; STAT: 2 region - The # of regions |
| |
| ; BBIT: entry, outer, body, land, exit, if, end, a, |
| ; BBIT: entry, outer, body, land, exit, if, a, |
| |
| ; RNIT: entry => end, end, |
| ; RNIT: entry, outer, body, land, exit, if, a, |
