1 ; RUN: opt -regions -analyze < %s | FileCheck %s 2 ; RUN: opt -regions -stats -analyze < %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 void @BZ2_blockSort() nounwind { 7 start: 8 br label %while 9 10 while: 11 br label %while.body134.i.i 12 13 while.body134.i.i: 14 br i1 1, label %end, label %w 15 16 w: 17 br label %if.end140.i.i 18 19 if.end140.i.i: 20 br i1 1, label %while.end186.i.i, label %if.end183.i.i 21 22 if.end183.i.i: 23 br label %while.body134.i.i 24 25 while.end186.i.i: 26 br label %while 27 28 end: 29 ret void 30 } 31 ; CHECK-NOT: => 32 ; CHECK: [0] start => <Function Return> 33 ; CHECK: [1] while => end 34 35 ; STAT: 2 region - The # of regions 36 ; STAT: 1 region - The # of simple regions 37 38 ; BBIT: start, while, while.body134.i.i, end, w, if.end140.i.i, while.end186.i.i, if.end183.i.i, 39 ; BBIT: while, while.body134.i.i, w, if.end140.i.i, while.end186.i.i, if.end183.i.i, 40 41 ; RNIT: start, while => end, end, 42 ; RNIT: while, while.body134.i.i, w, if.end140.i.i, while.end186.i.i, if.end183.i.i, 43
