1; REQUIRES: asserts 2; RUN: opt -regions -analyze -enable-new-pm=0 < %s | FileCheck %s 3; RUN: opt -regions -stats -disable-output < %s 2>&1 | FileCheck -check-prefix=STAT %s 4; RUN: opt -regions -print-region-style=bb -analyze -enable-new-pm=0 < %s 2>&1 | FileCheck -check-prefix=BBIT %s 5; RUN: opt -regions -print-region-style=rn -analyze -enable-new-pm=0 < %s 2>&1 | FileCheck -check-prefix=RNIT %s 6 7; RUN: opt < %s -passes='print<regions>' 2>&1 | FileCheck %s 8; RUN: opt < %s -passes='print<regions>' -stats 2>&1 | FileCheck -check-prefix=STAT %s 9; RUN: opt -passes='print<regions>' -print-region-style=bb < %s 2>&1 | FileCheck -check-prefix=BBIT %s 10; RUN: opt -passes='print<regions>' -print-region-style=rn < %s 2>&1 | FileCheck -check-prefix=RNIT %s 11 12define void @normal_condition() nounwind { 13"0": 14 br i1 1, label %"1", label %"4" 15 16"1": 17 br i1 1, label %"2", label %"3" 18"2": 19 br label %"4" 20"3": 21 br label %"4" 22"4": 23 ret void 24} 25; CHECK-NOT: => 26; CHECK: [0] 0 => <Function Return> 27; CHECK-NEXT: [1] 0 => 4 28; CHECK-NEXT: [2] 1 => 4 29; STAT: 3 region - The # of regions 30 31; BBIT: 0, 1, 2, 4, 3, 32; BBIT: 0, 1, 2, 3, 33; BBIT: 1, 2, 3, 34 35; RNIT: 0 => 4, 4, 36; RNIT: 0, 1 => 4, 37; RNIT: 1, 2, 3, 38