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 zeroext i8 @handle_compress() nounwind { 7 entry: 8 br label %outer 9 10 outer: 11 br label %body 12 13 body: 14 br i1 1, label %body.i, label %if.end 15 16 body.i: 17 br i1 1, label %end, label %if.end 18 19 if.end: 20 br label %if.then64 21 22 if.then64: 23 br label %outer 24 25 end: 26 ret i8 1 27 } 28 ; CHECK-NOT: => 29 ; CHECK: [0] entry => <Function Return> 30 ; CHECK-NEXT: [1] outer => end 31 ; STAT: 2 region - The # of regions 32 ; STAT: 1 region - The # of simple regions 33 34 ; BBIT: entry, outer, body, body.i, end, if.end, if.then64, 35 ; BBIT: outer, body, body.i, if.end, if.then64, 36 37 ; RNIT: entry, outer => end, end, 38 ; RNIT: outer, body, body.i, if.end, if.then64, 39
