1*9880d681SAndroid Build Coastguard Worker; REQUIRES: asserts 2*9880d681SAndroid Build Coastguard Worker; RUN: opt -regions -analyze < %s | FileCheck %s 3*9880d681SAndroid Build Coastguard Worker; RUN: opt -regions -stats < %s 2>&1 | FileCheck -check-prefix=STAT %s 4*9880d681SAndroid Build Coastguard Worker; RUN: opt -regions -print-region-style=bb -analyze < %s 2>&1 | FileCheck -check-prefix=BBIT %s 5*9880d681SAndroid Build Coastguard Worker; RUN: opt -regions -print-region-style=rn -analyze < %s 2>&1 | FileCheck -check-prefix=RNIT %s 6*9880d681SAndroid Build Coastguard Worker 7*9880d681SAndroid Build Coastguard Worker; RUN: opt < %s -passes='print<regions>' 2>&1 | FileCheck %s 8*9880d681SAndroid Build Coastguard Worker 9*9880d681SAndroid Build Coastguard Workerdefine void @meread_() nounwind { 10*9880d681SAndroid Build Coastguard Workerentry: 11*9880d681SAndroid Build Coastguard Worker br label %bb23 12*9880d681SAndroid Build Coastguard Worker 13*9880d681SAndroid Build Coastguard Workerbb23: 14*9880d681SAndroid Build Coastguard Worker br label %bb.i 15*9880d681SAndroid Build Coastguard Worker 16*9880d681SAndroid Build Coastguard Workerbb.i: ; preds = %bb.i, %bb54 17*9880d681SAndroid Build Coastguard Worker br label %pflini_.exit 18*9880d681SAndroid Build Coastguard Worker 19*9880d681SAndroid Build Coastguard Workerpflini_.exit: ; preds = %bb.i 20*9880d681SAndroid Build Coastguard Worker br label %bb58thread-split 21*9880d681SAndroid Build Coastguard Worker 22*9880d681SAndroid Build Coastguard Workerbb58thread-split: ; preds = %bb64, %bb61, %pflini_.exit 23*9880d681SAndroid Build Coastguard Worker br label %bb58 24*9880d681SAndroid Build Coastguard Worker 25*9880d681SAndroid Build Coastguard Workerbb58: ; preds = %bb60, %bb58thread-split 26*9880d681SAndroid Build Coastguard Worker br i1 1, label %bb59, label %bb23 27*9880d681SAndroid Build Coastguard Worker 28*9880d681SAndroid Build Coastguard Workerbb59: ; preds = %bb58 29*9880d681SAndroid Build Coastguard Worker switch i32 1, label %bb60 [ 30*9880d681SAndroid Build Coastguard Worker i32 1, label %l98 31*9880d681SAndroid Build Coastguard Worker ] 32*9880d681SAndroid Build Coastguard Worker 33*9880d681SAndroid Build Coastguard Workerbb60: ; preds = %bb59 34*9880d681SAndroid Build Coastguard Worker br i1 1, label %bb61, label %bb58 35*9880d681SAndroid Build Coastguard Worker 36*9880d681SAndroid Build Coastguard Workerbb61: ; preds = %bb60 37*9880d681SAndroid Build Coastguard Worker br label %bb58thread-split 38*9880d681SAndroid Build Coastguard Worker 39*9880d681SAndroid Build Coastguard Workerl98: ; preds = %bb69, %bb59 40*9880d681SAndroid Build Coastguard Worker ret void 41*9880d681SAndroid Build Coastguard Worker} 42*9880d681SAndroid Build Coastguard Worker; CHECK-NOT: => 43*9880d681SAndroid Build Coastguard Worker; CHECK: [0] entry => <Function Return> 44*9880d681SAndroid Build Coastguard Worker; CHECK: [1] bb23 => l98 45*9880d681SAndroid Build Coastguard Worker; STAT: 2 region - The # of regions 46*9880d681SAndroid Build Coastguard Worker; STAT: 1 region - The # of simple regions 47*9880d681SAndroid Build Coastguard Worker 48*9880d681SAndroid Build Coastguard Worker; BBIT: entry, bb23, bb.i, pflini_.exit, bb58thread-split, bb58, bb59, bb60, bb61, l98, 49*9880d681SAndroid Build Coastguard Worker; BBIT: bb23, bb.i, pflini_.exit, bb58thread-split, bb58, bb59, bb60, bb61, 50*9880d681SAndroid Build Coastguard Worker 51*9880d681SAndroid Build Coastguard Worker; RNIT: entry, bb23 => l98, l98, 52*9880d681SAndroid Build Coastguard Worker; RNIT: bb23, bb.i, pflini_.exit, bb58thread-split, bb58, bb59, bb60, bb61, 53