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 label %"1" 15"1": 16 br i1 1, label %"2", label %"3" 17"2": 18 br label %"4" 19"3": 20 br label %"4" 21"4": 22 ret void 23} 24 25; CHECK-NOT: => 26; CHECK: [0] 0 => <Function Return> 27; CHECK-NEXT: [1] 1 => 4 28; STAT: 2 region - The # of regions 29 30; BBIT: 0, 1, 2, 4, 3, 31; BBIT: 1, 2, 3, 32 33; RNIT: 0, 1 => 4, 4, 34; RNIT: 1, 2, 3, 35