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 void @normal_condition() nounwind { 9"0": 10 br label %"1" 11"1": 12 br i1 1, label %"6", label %"2" 13"2": 14 br i1 1, label %"3", label %"4" 15"3": 16 br label %"5" 17"4": 18 br label %"5" 19"5": 20 br label %"8" 21"8": 22 br i1 1, label %"7", label %"9" 23"9": 24 br label %"2" 25"7": 26 br label %"6" 27"6": 28 ret void 29} 30 31; CHECK-NOT: => 32; CHECK: [0] 0 => <Function Return> 33; CHECK-NEXT: [1] 1 => 6 34; CHECK-NEXT: [2] 2 => 7 35; CHECK-NEXT: [3] 2 => 5 36; STAT: 4 region - The # of regions 37; STAT: 1 region - The # of simple regions 38 39; BBIT: 0, 1, 6, 2, 3, 5, 8, 7, 9, 4, 40; BBIT: 1, 2, 3, 5, 8, 7, 9, 4, 41; BBIT: 2, 3, 5, 8, 9, 4, 42; BBIT: 2, 3, 4, 43 44; RNIT: 0, 1 => 6, 6, 45; RNIT: 1, 2 => 7, 7, 46; RNIT: 2 => 5, 5, 8, 9, 47; RNIT: 2, 3, 4, 48