| ; 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 void @MAIN__() nounwind { | |
| entry: | |
| br label %__label_002001.outer | |
| __label_002001.outer: ; preds = %bb236, %bb92 | |
| br label %__label_002001 | |
| __label_002001: ; preds = %bb229, %__label_002001.outer | |
| br i1 1, label %bb93, label %__label_000020 | |
| bb93: ; preds = %__label_002001 | |
| br i1 1, label %__label_000020, label %bb197 | |
| bb197: ; preds = %bb193 | |
| br i1 1, label %bb229, label %bb224 | |
| bb224: ; preds = %bb223, %bb227 | |
| br i1 1, label %bb229, label %bb224 | |
| bb229: ; preds = %bb227, %bb223 | |
| br i1 1, label %__label_002001, label %__label_002001.outer | |
| __label_000020: ; preds = %__label_002001, %bb194 | |
| ret void | |
| } | |
| ; CHECK-NOT: => | |
| ; CHECK: [0] entry => <Function Return> | |
| ; CHECK-NEXT: [1] __label_002001.outer => __label_000020 | |
| ; CHECK-NEXT: [2] bb197 => bb229 | |
| ; CHECK-NEXT: [3] bb224 => bb229 | |
| ; STAT: 4 region - The # of regions | |
| ; STAT: 1 region - The # of simple regions | |
| ; BBIT: entry, __label_002001.outer, __label_002001, bb93, __label_000020, bb197, bb229, bb224, | |
| ; BBIT: __label_002001.outer, __label_002001, bb93, bb197, bb229, bb224, | |
| ; BBIT: bb197, bb224, | |
| ; BBIT: bb224, | |
| ; RNIT: entry, __label_002001.outer => __label_000020, __label_000020, | |
| ; RNIT: __label_002001.outer, __label_002001, bb93, bb197 => bb229, bb229, | |
| ; RNIT: bb197, bb224 => bb229, | |
| ; RNIT: bb224, |