1 ; REQUIRES: asserts 2 ; RUN: opt -regions -analyze < %s | FileCheck %s 3 ; RUN: opt -regions -stats < %s 2>&1 | FileCheck -check-prefix=STAT %s 4 ; RUN: opt -regions -print-region-style=bb -analyze < %s 2>&1 | FileCheck -check-prefix=BBIT %s 5 ; RUN: opt -regions -print-region-style=rn -analyze < %s 2>&1 | FileCheck -check-prefix=RNIT %s 6 7 define internal fastcc zeroext i8 @loops_1() nounwind { 8 entry: 9 br i1 1, label %outer , label %a 10 11 a: 12 br label %body 13 14 outer: 15 br label %body 16 17 body: 18 br i1 1, label %land, label %if 19 20 land: 21 br i1 1, label %exit, label %end 22 23 exit: 24 br i1 1, label %if, label %end 25 26 if: 27 br label %outer 28 29 end: 30 ret i8 1 31 } 32 ; CHECK-NOT: => 33 ; CHECK: [0] entry => <Function Return> 34 ; CHECK-NEXT: [1] entry => end 35 ; STAT: 2 region - The # of regions 36 37 ; BBIT: entry, outer, body, land, exit, if, end, a, 38 ; BBIT: entry, outer, body, land, exit, if, a, 39 40 ; RNIT: entry => end, end, 41 ; RNIT: entry, outer, body, land, exit, if, a, 42