| ; 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 { |
| entry: |
| br label %outer |
| |
| outer: |
| br label %body |
| |
| body: |
| br i1 1, label %body.i, label %if.end |
| |
| body.i: |
| br i1 1, label %end, label %if.end |
| |
| if.end: |
| br label %if.then64 |
| |
| if.then64: |
| br label %outer |
| |
| end: |
| ret i8 1 |
| } |
| ; CHECK-NOT: => |
| ; CHECK: [0] entry => <Function Return> |
| ; CHECK-NEXT: [1] outer => end |
| ; STAT: 2 region - The # of regions |
| ; STAT: 1 region - The # of simple regions |
| |
| ; BBIT: entry, outer, body, body.i, end, if.end, if.then64, |
| ; BBIT: outer, body, body.i, if.end, if.then64, |
| |
| ; RNIT: entry, outer => end, end, |
| ; RNIT: outer, body, body.i, if.end, if.then64, |