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; REQUIRES: asserts
; 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 {
end165:
br i1 1, label %false239, label %true181
true181:
br i1 1, label %then187, label %else232
then187:
br label %end265
else232:
br i1 1, label %false239, label %then245
false239:
br i1 1, label %then245, label %else259
then245:
br i1 1, label %then251, label %end253
then251:
br label %end253
end253:
br label %end265
else259:
br label %end265
end265:
br i1 1, label %then291, label %end298
then291:
br label %end298
end298:
ret i8 1
}
; CHECK-NOT: =>
; CHECK: [0] end165 => <Function Return>
; CHECK-NEXT: [1] end165 => end265
; CHECK-NEXT: [2] then245 => end253
; CHECK-NEXT: [1] end265 => end298
; STAT: 4 region - The # of regions
; BBIT: end165, false239, then245, then251, end253, end265, then291, end298, else259, true181, then187, else232,
; BBIT: end165, false239, then245, then251, end253, else259, true181, then187, else232,
; BBIT: then245, then251,
; BBIT: end265, then291,
; RNIT: end165 => end265, end265 => end298, end298,
; RNIT: end165, false239, then245 => end253, end253, else259, true181, then187, else232,
; RNIT: then245, then251,
; RNIT: end265, then291,
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