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1; REQUIRES: asserts2 3; RUN: opt < %s -passes='print<regions>' 2>&1 | FileCheck %s4; RUN: opt < %s -passes='print<regions>' -stats 2>&1 | FileCheck -check-prefix=STAT %s5; RUN: opt -passes='print<regions>' -print-region-style=bb < %s 2>&1 | FileCheck -check-prefix=BBIT %s6; RUN: opt -passes='print<regions>' -print-region-style=rn < %s 2>&1 | FileCheck -check-prefix=RNIT %s7 8define internal fastcc zeroext i8 @handle_compress() nounwind {9end165:10 br i1 1, label %false239, label %true18111 12true181:13 br i1 1, label %then187, label %else23214 15then187:16 br label %end26517 18else232:19 br i1 1, label %false239, label %then24520 21false239:22 br i1 1, label %then245, label %else25923 24then245:25 br i1 1, label %then251, label %end25326 27then251:28 br label %end25329 30end253:31 br label %end26532 33else259:34 br label %end26535 36end265:37 br i1 1, label %then291, label %end29838 39then291:40 br label %end29841 42end298:43 ret i8 144}45 46; CHECK-NOT: =>47; CHECK: [0] end165 => <Function Return>48; CHECK-NEXT: [1] end165 => end26549; CHECK-NEXT: [2] then245 => end25350; CHECK-NEXT: [1] end265 => end29851 52; STAT: 4 region - The # of regions53 54; BBIT: end165, false239, then245, then251, end253, end265, then291, end298, else259, true181, then187, else232,55; BBIT: end165, false239, then245, then251, end253, else259, true181, then187, else232,56; BBIT: then245, then251,57; BBIT: end265, then291,58 59; RNIT: end165 => end265, end265 => end298, end298,60; RNIT: end165, false239, then245 => end253, end253, else259, true181, then187, else232,61; RNIT: then245, then251,62; RNIT: end265, then291,63