blob: 6592b7b9d3bd07fb692eee5a473099afe49aa14f [file] [log] [blame]
# Copyright (C) 2016 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
.class public LOsr;
.super Ljava/lang/Object;
# Check that blocks only havig nops are not merged when they are loop headers.
# This ensures we can do on-stack replacement for branches to those nop blocks.
## CHECK-START: int Osr.simpleLoop(int, int) dead_code_elimination$final (after)
## CHECK-DAG: SuspendCheck loop:<<OuterLoop:B\d+>> outer_loop:none
## CHECK-DAG: SuspendCheck loop:{{B\d+}} outer_loop:<<OuterLoop>>
.method public static simpleLoop(II)I
.registers 3
const/16 v0, 0
:nop_entry
nop
:loop_entry
add-int v0, v0, v0
if-eq v0, v1, :loop_entry
if-eq v0, v2, :nop_entry
return v0
.end method