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 define void @a_linear_impl_fig_1() nounwind { 8 0: 9 br label %"1" 10 1: 11 br label %"2" 12 2: 13 br label %"3" 14 3: 15 br i1 1, label %"13", label %"4" 16 4: 17 br i1 1, label %"5", label %"1" 18 5: 19 br i1 1, label %"8", label %"6" 20 6: 21 br i1 1, label %"7", label %"4" 22 7: 23 ret void 24 8: 25 br i1 1, label %"9", label %"1" 26 9: 27 br label %"10" 28 10: 29 br i1 1, label %"12", label %"11" 30 11: 31 br i1 1, label %"9", label %"8" 32 13: 33 br i1 1, label %"2", label %"1" 34 12: 35 switch i32 0, label %"1" [ i32 0, label %"9" 36 i32 1, label %"8"] 37 } 38 39 ; CHECK-NOT: => 40 ; CHECK: [0] 0 => <Function Return> 41 ; CHECK-NEXT: [1] 1 => 7 42 ; CHECK-NEXT: [2] 1 => 4 43 ; CHECK-NEXT: [2] 8 => 1 44 45 ; STAT: 4 region - The # of regions 46 ; STAT: 1 region - The # of simple regions 47 48 ; BBIT: 0, 1, 2, 3, 13, 4, 5, 8, 9, 10, 12, 11, 6, 7, 49 ; BBIT: 1, 2, 3, 13, 4, 5, 8, 9, 10, 12, 11, 6, 50 ; BBIT: 1, 2, 3, 13, 51 ; BBIT: 8, 9, 10, 12, 11, 52 53 ; RNIT: 0, 1 => 7, 7, 54 ; RNIT: 1 => 4, 4, 5, 8 => 1, 6, 55 ; RNIT: 1, 2, 3, 13, 56 ; RNIT: 8, 9, 10, 12, 11, 57
