1 ; RUN: opt -regions -analyze < %s | FileCheck %s 2 ; RUN: opt -regions -stats < %s |& FileCheck -check-prefix=STAT %s 3 ; RUN: opt -regions -print-region-style=bb -analyze < %s |& FileCheck -check-prefix=BBIT %s 4 ; RUN: opt -regions -print-region-style=rn -analyze < %s |& FileCheck -check-prefix=RNIT %s 5 6 define internal fastcc void @compress() nounwind { 7 end33: 8 br i1 1, label %end124, label %lor.lhs.false95 9 10 lor.lhs.false95: 11 br i1 1, label %then107, label %end172 12 13 then107: 14 br i1 1, label %end124, label %then113 15 16 then113: 17 br label %end124 18 19 end124: 20 br label %exit 21 22 end172: 23 br label %exit 24 25 26 exit: 27 unreachable 28 29 30 } 31 ; CHECK-NOT: => 32 ; CHECK: [0] end33 => <Function Return> 33 ; CHECK-NEXT: [1] end33 => exit 34 ; CHECK-NEXT: [2] then107 => end124 35 36 ; STAT: 3 region - The # of regions 37 38 ; BBIT: end33, end124, exit, lor.lhs.false95, then107, then113, end172, 39 ; BBIT: end33, end124, lor.lhs.false95, then107, then113, end172, 40 ; BBIT: then107, then113, 41 42 ; RNIT: end33 => exit, exit, 43 ; RNIT: end33, end124, lor.lhs.false95, then107 => end124, end172, 44 ; RNIT: then107, then113, 45
