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 5 ; RUN: opt -regions -print-region-style=bb -analyze < %s 2>&1 | FileCheck -check-prefix=BBIT %s 6 ; RUN: opt -regions -print-region-style=rn -analyze < %s 2>&1 | FileCheck -check-prefix=RNIT %s 7 8 define 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