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 @handle_compress() nounwind { 7entry: 8 br label %outer 9 10outer: 11 br label %body 12 13body: 14 br i1 1, label %body.i, label %if.end 15 16body.i: 17 br i1 1, label %end, label %if.end 18 19if.end: 20 br label %if.then64 21 22if.then64: 23 br label %outer 24 25end: 26 ret i8 1 27} 28; CHECK-NOT: => 29; CHECK: [0] entry => <Function Return> 30; CHECK-NEXT: [1] outer => end 31; STAT: 2 region - The # of regions 32; STAT: 1 region - The # of simple regions 33 34; BBIT: entry, outer, body, body.i, end, if.end, if.then64, 35; BBIT: outer, body, body.i, if.end, if.then64, 36 37; RNIT: entry, outer => end, end, 38; RNIT: outer, body, body.i, if.end, if.then64, 39