1 ; RUN: opt -regions -analyze < %s | FileCheck %s 2 ; RUN: opt -regions -stats < %s 2>&1 | FileCheck -check-prefix=STAT %s 3 ; RUN: opt -regions -print-region-style=bb -analyze < %s 2>&1 | FileCheck -check-prefix=BBIT %s 4 ; RUN: opt -regions -print-region-style=rn -analyze < %s 2>&1 | FileCheck -check-prefix=RNIT %s 5 6 define internal fastcc zeroext i8 @handle_compress() nounwind { 7 end165: 8 br i1 1, label %false239, label %true181 9 10 true181: 11 br i1 1, label %then187, label %else232 12 13 then187: 14 br label %end265 15 16 else232: 17 br i1 1, label %false239, label %then245 18 19 false239: 20 br i1 1, label %then245, label %else259 21 22 then245: 23 br i1 1, label %then251, label %end253 24 25 then251: 26 br label %end253 27 28 end253: 29 br label %end265 30 31 else259: 32 br label %end265 33 34 end265: 35 br i1 1, label %then291, label %end298 36 37 then291: 38 br label %end298 39 40 end298: 41 ret i8 1 42 } 43 44 ; CHECK-NOT: => 45 ; CHECK: [0] end165 => <Function Return> 46 ; CHECK-NEXT: [1] end165 => end265 47 ; CHECK-NEXT: [2] then245 => end253 48 ; CHECK-NEXT: [1] end265 => end298 49 50 ; STAT: 4 region - The # of regions 51 52 ; BBIT: end165, false239, then245, then251, end253, end265, then291, end298, else259, true181, then187, else232, 53 ; BBIT: end165, false239, then245, then251, end253, else259, true181, then187, else232, 54 ; BBIT: then245, then251, 55 ; BBIT: end265, then291, 56 57 ; RNIT: end165 => end265, end265 => end298, end298, 58 ; RNIT: end165, false239, then245 => end253, end253, else259, true181, then187, else232, 59 ; RNIT: then245, then251, 60 ; RNIT: end265, then291, 61
