1; REQUIRES: asserts 2 3; RUN: opt < %s -passes='print<regions>' 2>&1 | FileCheck %s 4; RUN: opt < %s -passes='print<regions>' -stats 2>&1 | FileCheck -check-prefix=STAT %s 5; RUN: opt -passes='print<regions>' -print-region-style=bb < %s 2>&1 | FileCheck -check-prefix=BBIT %s 6; RUN: opt -passes='print<regions>' -print-region-style=rn < %s 2>&1 | FileCheck -check-prefix=RNIT %s 7 8define internal fastcc zeroext i8 @loops_1() nounwind { 9entry: 10 br i1 1, label %outer , label %a 11 12a: 13 br label %body 14 15outer: 16 br label %body 17 18body: 19 br i1 1, label %land, label %if 20 21land: 22 br i1 1, label %exit, label %end 23 24exit: 25 br i1 1, label %if, label %end 26 27if: 28 br label %outer 29 30end: 31 ret i8 1 32} 33; CHECK-NOT: => 34; CHECK: [0] entry => <Function Return> 35; CHECK-NEXT: [1] entry => end 36; STAT: 2 region - The # of regions 37 38; BBIT: entry, outer, body, land, exit, if, end, a, 39; BBIT: entry, outer, body, land, exit, if, a, 40 41; RNIT: entry => end, end, 42; RNIT: entry, outer, body, land, exit, if, a, 43