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 ; RUN: opt < %s -passes='print<regions>' 2>&1 | FileCheck %s 8 9 define internal fastcc void @compress() nounwind { 10 end33: 11 br i1 1, label %end124, label %lor.lhs.false95 12 13 lor.lhs.false95: 14 br i1 1, label %then107, label %end172 15 16 then107: 17 br i1 1, label %end124, label %then113 18 19 then113: 20 br label %end124 21 22 end124: 23 br label %exit 24 25 end172: 26 br label %exit 27 28 29 exit: 30 unreachable 31 32 33 } 34 ; CHECK-NOT: => 35 ; CHECK: [0] end33 => <Function Return> 36 ; CHECK-NEXT: [1] end33 => exit 37 ; CHECK-NEXT: [2] then107 => end124 38 39 ; STAT: 3 region - The # of regions 40 41 ; BBIT: end33, end124, exit, lor.lhs.false95, then107, then113, end172, 42 ; BBIT: end33, end124, lor.lhs.false95, then107, then113, end172, 43 ; BBIT: then107, then113, 44 45 ; RNIT: end33 => exit, exit, 46 ; RNIT: end33, end124, lor.lhs.false95, then107 => end124, end172, 47 ; RNIT: then107, then113, 48
