1; REQUIRES: asserts 2; RUN: opt -regions -analyze -enable-new-pm=0 < %s | FileCheck %s 3; RUN: opt -regions -stats -disable-output < %s 2>&1 | FileCheck -check-prefix=STAT %s 4 5; RUN: opt -regions -print-region-style=bb -analyze -enable-new-pm=0 < %s 2>&1 | FileCheck -check-prefix=BBIT %s 6; RUN: opt -regions -print-region-style=rn -analyze -enable-new-pm=0 < %s 2>&1 | FileCheck -check-prefix=RNIT %s 7 8; RUN: opt < %s -passes='print<regions>' 2>&1 | FileCheck %s 9; RUN: opt < %s -passes='print<regions>' -stats 2>&1 | FileCheck -check-prefix=STAT %s 10; RUN: opt -passes='print<regions>' -print-region-style=bb < %s 2>&1 | FileCheck -check-prefix=BBIT %s 11; RUN: opt -passes='print<regions>' -print-region-style=rn < %s 2>&1 | FileCheck -check-prefix=RNIT %s 12 13define internal fastcc zeroext i8 @handle_compress() nounwind { 14entry: 15 br label %outer 16 17outer: 18 br label %body 19 20body: 21 br i1 1, label %exit172, label %end 22 23exit172: 24 br i1 1, label %end, label %outer 25 26end: 27 ret i8 1 28} 29; CHECK-NOT: => 30; CHECK: [0] entry => <Function Return> 31; CHECK-NEXT: [1] outer => end 32 33; STAT: 2 region - The # of regions 34 35; BBIT: entry, outer, body, exit172, end, 36; BBIT: outer, body, exit172, 37 38; RNIT: entry, outer => end, end, 39; RNIT: outer, body, exit172, 40