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 @handle_compress() nounwind { 9entry: 10 br label %outer 11 12outer: 13 br label %body 14 15body: 16 br i1 1, label %else, label %true77 17 18true77: 19 br i1 1, label %then83, label %else 20 21then83: 22 br label %outer 23 24else: 25 br label %else106 26 27else106: 28 br i1 1, label %end, label %outer 29 30end: 31 ret i8 1 32} 33 34; CHECK-NOT: => 35; CHECK: [0] entry => <Function Return> 36; CHECK-NEXT: [1] outer => end 37; CHECK-NEXT: [2] outer => else 38 39; STAT: 3 region - The # of regions 40; STAT: 1 region - The # of simple regions 41 42; BBIT: entry, outer, body, else, else106, end, true77, then83, 43; BBIT: outer, body, else, else106, true77, then83, 44; BBIT: outer, body, true77, then83, 45 46; RNIT: entry, outer => end, end, 47; RNIT: outer => else, else, else106, 48; RNIT: outer, body, true77, then83, 49