1 ; REQUIRES: asserts 2 ; RUN: opt -regions -analyze < %s | FileCheck %s 3 ; RUN: opt -regions -stats -analyze < %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 void @BZ2_blockSort() nounwind { 8 start: 9 br label %while 10 11 while: 12 br label %while.body134.i.i 13 14 while.body134.i.i: 15 br i1 1, label %end, label %w 16 17 w: 18 br label %if.end140.i.i 19 20 if.end140.i.i: 21 br i1 1, label %while.end186.i.i, label %if.end183.i.i 22 23 if.end183.i.i: 24 br label %while.body134.i.i 25 26 while.end186.i.i: 27 br label %while 28 29 end: 30 ret void 31 } 32 ; CHECK-NOT: => 33 ; CHECK: [0] start => <Function Return> 34 ; CHECK: [1] while => end 35 36 ; STAT: 2 region - The # of regions 37 ; STAT: 1 region - The # of simple regions 38 39 ; BBIT: start, while, while.body134.i.i, end, w, if.end140.i.i, while.end186.i.i, if.end183.i.i, 40 ; BBIT: while, while.body134.i.i, w, if.end140.i.i, while.end186.i.i, if.end183.i.i, 41 42 ; RNIT: start, while => end, end, 43 ; RNIT: while, while.body134.i.i, w, if.end140.i.i, while.end186.i.i, if.end183.i.i, 44
