1; RUN: opt -regions -analyze < %s | FileCheck %s 2; RUN: opt -regions -stats < %s |& FileCheck -check-prefix=STAT %s 3; RUN: opt -regions -print-region-style=bb -analyze < %s |& FileCheck -check-prefix=BBIT %s 4; RUN: opt -regions -print-region-style=rn -analyze < %s |& FileCheck -check-prefix=RNIT %s 5 6define internal fastcc zeroext i8 @loops_1() nounwind { 7entry: 8 br i1 1, label %outer , label %a 9 10a: 11 br label %body 12 13outer: 14 br label %body 15 16body: 17 br i1 1, label %land, label %if 18 19land: 20 br i1 1, label %exit, label %end 21 22exit: 23 br i1 1, label %if, label %end 24 25if: 26 br label %outer 27 28end: 29 ret i8 1 30} 31; CHECK-NOT: => 32; CHECK: [0] entry => <Function Return> 33; CHECK-NEXT: [1] entry => end 34; STAT: 2 region - The # of regions 35 36; BBIT: entry, outer, body, land, exit, if, end, a, 37; BBIT: entry, outer, body, land, exit, if, a, 38 39; RNIT: entry => end, end, 40; RNIT: entry, outer, body, land, exit, if, a, 41