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 @a_linear_impl_fig_1() nounwind { 9 0: 10 11 br i1 1, label %"1", label %"15" 12 1: 13 switch i32 0, label %"2" [ i32 0, label %"3" 14 i32 1, label %"7"] 15 2: 16 br label %"4" 17 3: 18 br label %"5" 19 4: 20 br label %"6" 21 5: 22 br label %"6" 23 6: 24 br label %"7" 25 7: 26 br label %"15" 27 15: 28 br label %"8" 29 8: 30 br label %"16" 31 16: 32 br label %"9" 33 9: 34 br i1 1, label %"10", label %"11" 35 11: 36 br i1 1, label %"13", label %"12" 37 13: 38 br label %"14" 39 12: 40 br label %"14" 41 14: 42 br label %"8" 43 10: 44 br label %"17" 45 17: 46 br label %"18" 47 18: 48 ret void 49 } 50 51 ; CHECK-NOT: => 52 ; CHECK: [0] 0 => <Function Return> 53 ; CHECK-NEXT: [1] 0 => 15 54 ; CHECK-NEXT: [2] 1 => 7 55 ; CHECK-NEXT: [1] 8 => 10 56 ; CHECK-NEXT: [2] 11 => 14 57 ; STAT: 5 region - The # of regions 58 ; STAT: 1 region - The # of simple regions 59 60 ; BBIT: 0, 1, 2, 4, 6, 7, 15, 8, 16, 9, 10, 17, 18, 11, 13, 14, 12, 3, 5, 61 ; BBIT: 0, 1, 2, 4, 6, 7, 3, 5, 62 ; BBIT: 1, 2, 4, 6, 3, 5, 63 ; BBIT: 8, 16, 9, 11, 13, 14, 12, 64 ; BBIT: 11, 13, 12, 65 66 ; RNIT: 0 => 15, 15, 8 => 10, 10, 17, 18, 67 ; RNIT: 0, 1 => 7, 7, 68 ; RNIT: 1, 2, 4, 6, 3, 5, 69 ; RNIT: 8, 16, 9, 11 => 14, 14, 70 ; RNIT: 11, 13, 12, 71