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 %else, label %true77 15 16 true77: 17 br i1 1, label %then83, label %else 18 19 then83: 20 br label %outer 21 22 else: 23 br label %else106 24 25 else106: 26 br i1 1, label %end, label %outer 27 28 end: 29 ret i8 1 30 } 31 32 ; CHECK-NOT: => 33 ; CHECK: [0] entry => <Function Return> 34 ; CHECK-NEXT: [1] outer => end 35 ; CHECK-NEXT: [2] outer => else 36 37 ; STAT: 3 region - The # of regions 38 ; STAT: 1 region - The # of simple regions 39 40 ; BBIT: entry, outer, body, else, else106, end, true77, then83, 41 ; BBIT: outer, body, else, else106, true77, then83, 42 ; BBIT: outer, body, true77, then83, 43 44 ; RNIT: entry, outer => end, end, 45 ; RNIT: outer => else, else, else106, 46 ; RNIT: outer, body, true77, then83, 47
