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 define internal fastcc zeroext i8 @handle_compress() nounwind { 8 entry: 9 br label %outer 10 11 outer: 12 br label %body 13 14 body: 15 br i1 1, label %else, label %true77 16 17 true77: 18 br i1 1, label %then83, label %else 19 20 then83: 21 br label %outer 22 23 else: 24 br label %else106 25 26 else106: 27 br i1 1, label %end, label %outer 28 29 end: 30 ret i8 1 31 } 32 33 ; CHECK-NOT: => 34 ; CHECK: [0] entry => <Function Return> 35 ; CHECK-NEXT: [1] outer => end 36 ; CHECK-NEXT: [2] outer => else 37 38 ; STAT: 3 region - The # of regions 39 ; STAT: 1 region - The # of simple regions 40 41 ; BBIT: entry, outer, body, else, else106, end, true77, then83, 42 ; BBIT: outer, body, else, else106, true77, then83, 43 ; BBIT: outer, body, true77, then83, 44 45 ; RNIT: entry, outer => end, end, 46 ; RNIT: outer => else, else, else106, 47 ; RNIT: outer, body, true77, then83, 48
