1 ; REQUIRES: asserts 2 ; RUN: opt -regions -analyze < %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 < %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 ; RUN: opt < %s -passes='print<regions>' 2>&1 | FileCheck %s 8 9 define void @a_linear_impl_fig_1() nounwind { 10 0: 11 br label %"1" 12 1: 13 br label %"2" 14 2: 15 br label %"3" 16 3: 17 br i1 1, label %"13", label %"4" 18 4: 19 br i1 1, label %"5", label %"1" 20 5: 21 br i1 1, label %"8", label %"6" 22 6: 23 br i1 1, label %"7", label %"4" 24 7: 25 ret void 26 8: 27 br i1 1, label %"9", label %"1" 28 9: 29 br label %"10" 30 10: 31 br i1 1, label %"12", label %"11" 32 11: 33 br i1 1, label %"9", label %"8" 34 13: 35 br i1 1, label %"2", label %"1" 36 12: 37 switch i32 0, label %"1" [ i32 0, label %"9" 38 i32 1, label %"8"] 39 } 40 41 ; CHECK-NOT: => 42 ; CHECK: [0] 0 => <Function Return> 43 ; CHECK-NEXT: [1] 1 => 7 44 ; CHECK-NEXT: [2] 1 => 4 45 ; CHECK-NEXT: [2] 8 => 1 46 47 ; STAT: 4 region - The # of regions 48 ; STAT: 1 region - The # of simple regions 49 50 ; BBIT: 0, 1, 2, 3, 13, 4, 5, 8, 9, 10, 12, 11, 6, 7, 51 ; BBIT: 1, 2, 3, 13, 4, 5, 8, 9, 10, 12, 11, 6, 52 ; BBIT: 1, 2, 3, 13, 53 ; BBIT: 8, 9, 10, 12, 11, 54 55 ; RNIT: 0, 1 => 7, 7, 56 ; RNIT: 1 => 4, 4, 5, 8 => 1, 6, 57 ; RNIT: 1, 2, 3, 13, 58 ; RNIT: 8, 9, 10, 12, 11, 59
