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; RUN: opt -regions -analyze < %s | FileCheck %s
; RUN: opt -regions -stats < %s |& FileCheck -check-prefix=STAT %s
; RUN: opt -regions -print-region-style=bb -analyze < %s |& FileCheck -check-prefix=BBIT %s
; RUN: opt -regions -print-region-style=rn -analyze < %s |& FileCheck -check-prefix=RNIT %s
define void @MAIN__() nounwind {
entry:
br label %__label_002001.outer
__label_002001.outer: ; preds = %bb236, %bb92
br label %__label_002001
__label_002001: ; preds = %bb229, %__label_002001.outer
br i1 1, label %bb93, label %__label_000020
bb93: ; preds = %__label_002001
br i1 1, label %__label_000020, label %bb197
bb197: ; preds = %bb193
br i1 1, label %bb229, label %bb224
bb224: ; preds = %bb223, %bb227
br i1 1, label %bb229, label %bb224
bb229: ; preds = %bb227, %bb223
br i1 1, label %__label_002001, label %__label_002001.outer
__label_000020: ; preds = %__label_002001, %bb194
ret void
}
; CHECK-NOT: =>
; CHECK: [0] entry => <Function Return>
; CHECK-NEXT: [1] __label_002001.outer => __label_000020
; CHECK-NEXT: [2] bb197 => bb229
; CHECK-NEXT: [3] bb224 => bb229
; STAT: 4 region - The # of regions
; STAT: 1 region - The # of simple regions
; BBIT: entry, __label_002001.outer, __label_002001, bb93, __label_000020, bb197, bb229, bb224,
; BBIT: __label_002001.outer, __label_002001, bb93, bb197, bb229, bb224,
; BBIT: bb197, bb224,
; BBIT: bb224,
; RNIT: entry, __label_002001.outer => __label_000020, __label_000020,
; RNIT: __label_002001.outer, __label_002001, bb93, bb197 => bb229, bb229,
; RNIT: bb197, bb224 => bb229,
; RNIT: bb224,
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