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; REQUIRES: asserts
; RUN: opt < %s -passes='print<regions>' 2>&1 | FileCheck %s
; RUN: opt < %s -passes='print<regions>' -stats 2>&1 | FileCheck -check-prefix=STAT %s
; RUN: opt -passes='print<regions>' -print-region-style=bb < %s 2>&1 | FileCheck -check-prefix=BBIT %s
; RUN: opt -passes='print<regions>' -print-region-style=rn < %s 2>&1 | FileCheck -check-prefix=RNIT %s
define void @a_linear_impl_fig_1() nounwind {
"0":
br label %"1"
"1":
br label %"2"
"2":
br label %"3"
"3":
br i1 1, label %"13", label %"4"
"4":
br i1 1, label %"5", label %"1"
"5":
br i1 1, label %"8", label %"6"
"6":
br i1 1, label %"7", label %"4"
"7":
ret void
"8":
br i1 1, label %"9", label %"1"
"9":
br label %"10"
"10":
br i1 1, label %"12", label %"11"
"11":
br i1 1, label %"9", label %"8"
"13":
br i1 1, label %"2", label %"1"
"12":
switch i32 0, label %"1" [ i32 0, label %"9"
i32 1, label %"8"]
}
; CHECK-NOT: =>
; CHECK: [0] 0 => <Function Return>
; CHECK-NEXT: [1] 1 => 7
; CHECK-NEXT: [2] 1 => 4
; CHECK-NEXT: [2] 8 => 1
; STAT: 4 region - The # of regions
; STAT: 1 region - The # of simple regions
; BBIT: 0, 1, 2, 3, 13, 4, 5, 8, 9, 10, 12, 11, 6, 7,
; BBIT: 1, 2, 3, 13, 4, 5, 8, 9, 10, 12, 11, 6,
; BBIT: 1, 2, 3, 13,
; BBIT: 8, 9, 10, 12, 11,
; RNIT: 0, 1 => 7, 7,
; RNIT: 1 => 4, 4, 5, 8 => 1, 6,
; RNIT: 1, 2, 3, 13,
; RNIT: 8, 9, 10, 12, 11,
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