1; RUN: opt -regions -analyze < %s | FileCheck %s 2; RUN: opt -regions -stats < %s |& FileCheck -check-prefix=STAT %s 3 4; RUN: opt -regions -print-region-style=bb -analyze < %s |& FileCheck -check-prefix=BBIT %s 5; RUN: opt -regions -print-region-style=rn -analyze < %s |& FileCheck -check-prefix=RNIT %s 6 7define internal fastcc zeroext i8 @handle_compress() nounwind { 8entry: 9 br label %outer 10 11outer: 12 br label %body 13 14body: 15 br i1 1, label %exit172, label %end 16 17exit172: 18 br i1 1, label %end, label %outer 19 20end: 21 ret i8 1 22} 23; CHECK-NOT: => 24; CHECK: [0] entry => <Function Return> 25; CHECK-NEXT: [1] outer => end 26 27; STAT: 2 region - The # of regions 28 29; BBIT: entry, outer, body, exit172, end, 30; BBIT: outer, body, exit172, 31 32; RNIT: entry, outer => end, end, 33; RNIT: outer, body, exit172, 34