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; RUN: opt -regions -analyze < %s | FileCheck %s
; RUN: opt -regions -stats < %s 2>&1 | FileCheck -check-prefix=STAT %s
; RUN: opt -regions -print-region-style=bb -analyze < %s 2>&1 | FileCheck -check-prefix=BBIT %s
; RUN: opt -regions -print-region-style=rn -analyze < %s 2>&1 | FileCheck -check-prefix=RNIT %s
define internal fastcc zeroext i8 @handle_compress() nounwind {
entry:
br label %outer
outer:
br label %body
body:
br i1 1, label %else, label %true77
true77:
br i1 1, label %then83, label %else
then83:
br label %outer
else:
br label %else106
else106:
br i1 1, label %end, label %outer
end:
ret i8 1
}
; CHECK-NOT: =>
; CHECK: [0] entry => <Function Return>
; CHECK-NEXT: [1] outer => end
; CHECK-NEXT: [2] outer => else
; STAT: 3 region - The # of regions
; STAT: 1 region - The # of simple regions
; BBIT: entry, outer, body, else, else106, end, true77, then83,
; BBIT: outer, body, else, else106, true77, then83,
; BBIT: outer, body, true77, then83,
; RNIT: entry, outer => end, end,
; RNIT: outer => else, else, else106,
; RNIT: outer, body, true77, then83,
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