1 ; REQUIRES: asserts 2 ; RUN: opt -regions -analyze < %s | FileCheck %s 3 ; RUN: opt -regions -stats < %s 2>&1 | FileCheck -check-prefix=STAT %s 4 ; RUN: opt -regions -print-region-style=bb -analyze < %s 2>&1 | FileCheck -check-prefix=BBIT %s 5 ; RUN: opt -regions -print-region-style=rn -analyze < %s 2>&1 | FileCheck -check-prefix=RNIT %s 6 7 define internal fastcc void @compress() nounwind { 8 end33: 9 br i1 1, label %end124, label %lor.lhs.false95 10 11 lor.lhs.false95: 12 br i1 1, label %then107, label %end172 13 14 then107: 15 br i1 1, label %end124, label %then113 16 17 then113: 18 br label %end124 19 20 end124: 21 br label %exit 22 23 end172: 24 br label %exit 25 26 27 exit: 28 unreachable 29 30 31 } 32 ; CHECK-NOT: => 33 ; CHECK: [0] end33 => <Function Return> 34 ; CHECK-NEXT: [1] end33 => exit 35 ; CHECK-NEXT: [2] then107 => end124 36 37 ; STAT: 3 region - The # of regions 38 39 ; BBIT: end33, end124, exit, lor.lhs.false95, then107, then113, end172, 40 ; BBIT: end33, end124, lor.lhs.false95, then107, then113, end172, 41 ; BBIT: then107, then113, 42 43 ; RNIT: end33 => exit, exit, 44 ; RNIT: end33, end124, lor.lhs.false95, then107 => end124, end172, 45 ; RNIT: then107, then113, 46