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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 @loops_1() nounwind {
- entry:
- br i1 1, label %outer , label %a
- a:
- br label %body
- outer:
- br label %body
- body:
- br i1 1, label %land, label %if
- land:
- br i1 1, label %exit, label %end
- exit:
- br i1 1, label %if, label %end
- if:
- br label %outer
- end:
- ret i8 1
- }
- ; CHECK-NOT: =>
- ; CHECK: [0] entry => <Function Return>
- ; CHECK-NEXT: [1] entry => end
- ; STAT: 2 region - The # of regions
- ; BBIT: entry, outer, body, land, exit, if, end, a,
- ; BBIT: entry, outer, body, land, exit, if, a,
- ; RNIT: entry => end, end,
- ; RNIT: entry, outer, body, land, exit, if, a,
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