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; RUN: opt < %s -passes='print<regions>' 2>&1 | FileCheck %s 8 9define void @normal_condition() nounwind { 100: 11 br i1 1, label %"1", label %"4" 12 131: 14 br i1 1, label %"2", label %"3" 152: 16 br label %"4" 173: 18 br label %"4" 194: 20 ret void 21} 22; CHECK-NOT: => 23; CHECK: [0] 0 => <Function Return> 24; CHECK-NEXT: [1] 0 => 4 25; CHECK-NEXT: [2] 1 => 4 26; STAT: 3 region - The # of regions 27 28; BBIT: 0, 1, 2, 4, 3, 29; BBIT: 0, 1, 2, 3, 30; BBIT: 1, 2, 3, 31 32; RNIT: 0 => 4, 4, 33; RNIT: 0, 1 => 4, 34; RNIT: 1, 2, 3, 35