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 6 define internal fastcc zeroext i8 @loops_1() nounwind { 7 entry: 8 br i1 1, label %outer , label %a 9 10 a: 11 br label %body 12 13 outer: 14 br label %body 15 16 body: 17 br i1 1, label %land, label %if 18 19 land: 20 br i1 1, label %exit, label %end 21 22 exit: 23 br i1 1, label %if, label %end 24 25 if: 26 br label %outer 27 28 end: 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
