| ; 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 %else, label %true77 | |
| true77: | |
| br i1 1, label %then83, label %else | |
| then83: | |
| br label %outer | |
| else: | |
| br label %else106 | |
| else106: | |
| br i1 1, label %end, label %outer | |
| end: | |
| ret i8 1 | |
| } | |
| ; CHECK-NOT: => | |
| ; CHECK: [0] entry => <Function Return> | |
| ; CHECK-NEXT: [1] outer => end | |
| ; CHECK-NEXT: [2] outer => else | |
| ; STAT: 3 region - The # of regions | |
| ; STAT: 1 region - The # of simple regions | |
| ; BBIT: entry, outer, body, else, else106, end, true77, then83, | |
| ; BBIT: outer, body, else, else106, true77, then83, | |
| ; BBIT: outer, body, true77, then83, | |
| ; RNIT: entry, outer => end, end, | |
| ; RNIT: outer => else, else, else106, | |
| ; RNIT: outer, body, true77, then83, |