1; REQUIRES: asserts 2 3; RUN: opt < %s -passes='print<regions>' 2>&1 | FileCheck %s 4; RUN: opt < %s -passes='print<regions>' -stats 2>&1 | FileCheck -check-prefix=STAT %s 5; RUN: opt -passes='print<regions>' -print-region-style=bb < %s 2>&1 | FileCheck -check-prefix=BBIT %s 6; RUN: opt -passes='print<regions>' -print-region-style=rn < %s 2>&1 | FileCheck -check-prefix=RNIT %s 7 8define internal fastcc zeroext i8 @handle_compress() nounwind { 9end165: 10 br i1 1, label %false239, label %true181 11 12true181: 13 br i1 1, label %then187, label %else232 14 15then187: 16 br label %end265 17 18else232: 19 br i1 1, label %false239, label %then245 20 21false239: 22 br i1 1, label %then245, label %else259 23 24then245: 25 br i1 1, label %then251, label %end253 26 27then251: 28 br label %end253 29 30end253: 31 br label %end265 32 33else259: 34 br label %end265 35 36end265: 37 br i1 1, label %then291, label %end298 38 39then291: 40 br label %end298 41 42end298: 43 ret i8 1 44} 45 46; CHECK-NOT: => 47; CHECK: [0] end165 => <Function Return> 48; CHECK-NEXT: [1] end165 => end265 49; CHECK-NEXT: [2] then245 => end253 50; CHECK-NEXT: [1] end265 => end298 51 52; STAT: 4 region - The # of regions 53 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