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 5 ; RUN: opt -regions -print-region-style=bb -analyze < %s 2>&1 | FileCheck -check-prefix=BBIT %s 6 ; RUN: opt -regions -print-region-style=rn -analyze < %s 2>&1 | FileCheck -check-prefix=RNIT %s 7 8 define internal fastcc zeroext i8 @handle_compress() nounwind { 9 entry: 10 br label %outer 11 12 outer: 13 br label %body 14 15 body: 16 br i1 1, label %exit172, label %end 17 18 exit172: 19 br i1 1, label %end, label %outer 20 21 end: 22 ret i8 1 23 } 24 ; CHECK-NOT: => 25 ; CHECK: [0] entry => <Function Return> 26 ; CHECK-NEXT: [1] outer => end 27 28 ; STAT: 2 region - The # of regions 29 30 ; BBIT: entry, outer, body, exit172, end, 31 ; BBIT: outer, body, exit172, 32 33 ; RNIT: entry, outer => end, end, 34 ; RNIT: outer, body, exit172, 35