1 ; RUN: opt -regions -analyze < %s | FileCheck %s 2 ; RUN: opt -regions -stats < %s 2>&1 | FileCheck -check-prefix=STAT %s 3 ; RUN: opt -regions -print-region-style=bb -analyze < %s 2>&1 | FileCheck -check-prefix=BBIT %s 4 ; RUN: opt -regions -print-region-style=rn -analyze < %s 2>&1 | FileCheck -check-prefix=RNIT %s 5 6 define void @a_linear_impl_fig_1() nounwind { 7 0: 8 br label %"1" 9 1: 10 br label %"2" 11 2: 12 br label %"3" 13 3: 14 br i1 1, label %"13", label %"4" 15 4: 16 br i1 1, label %"5", label %"1" 17 5: 18 br i1 1, label %"8", label %"6" 19 6: 20 br i1 1, label %"7", label %"4" 21 7: 22 ret void 23 8: 24 br i1 1, label %"9", label %"1" 25 9: 26 br label %"10" 27 10: 28 br i1 1, label %"12", label %"11" 29 11: 30 br i1 1, label %"9", label %"8" 31 13: 32 br i1 1, label %"2", label %"1" 33 12: 34 switch i32 0, label %"1" [ i32 0, label %"9" 35 i32 1, label %"8"] 36 } 37 38 ; CHECK-NOT: => 39 ; CHECK: [0] 0 => <Function Return> 40 ; CHECK-NEXT: [1] 1 => 7 41 ; CHECK-NEXT: [2] 1 => 4 42 ; CHECK-NEXT: [2] 8 => 1 43 44 ; STAT: 4 region - The # of regions 45 ; STAT: 1 region - The # of simple regions 46 47 ; BBIT: 0, 1, 2, 3, 13, 4, 5, 8, 9, 10, 12, 11, 6, 7, 48 ; BBIT: 1, 2, 3, 13, 4, 5, 8, 9, 10, 12, 11, 6, 49 ; BBIT: 1, 2, 3, 13, 50 ; BBIT: 8, 9, 10, 12, 11, 51 52 ; RNIT: 0, 1 => 7, 7, 53 ; RNIT: 1 => 4, 4, 5, 8 => 1, 6, 54 ; RNIT: 1, 2, 3, 13, 55 ; RNIT: 8, 9, 10, 12, 11, 56