1 # Copyright (C) 2016 The Android Open Source Project 2 # 3 # Licensed under the Apache License, Version 2.0 (the "License"); 4 # you may not use this file except in compliance with the License. 5 # You may obtain a copy of the License at 6 # 7 # http://www.apache.org/licenses/LICENSE-2.0 8 # 9 # Unless required by applicable law or agreed to in writing, software 10 # distributed under the License is distributed on an "AS IS" BASIS, 11 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 # See the License for the specific language governing permissions and 13 # limitations under the License. 14 15 .class public LOsr; 16 17 .super Ljava/lang/Object; 18 19 # Check that blocks only havig nops are not merged when they are loop headers. 20 # This ensures we can do on-stack replacement for branches to those nop blocks. 21 22 ## CHECK-START: int Osr.simpleLoop(int, int) dead_code_elimination_final (after) 23 ## CHECK-DAG: SuspendCheck loop:<<OuterLoop:B\d+>> outer_loop:none 24 ## CHECK-DAG: SuspendCheck loop:{{B\d+}} outer_loop:<<OuterLoop>> 25 .method public static simpleLoop(II)I 26 .registers 3 27 const/16 v0, 0 28 :nop_entry 29 nop 30 :loop_entry 31 add-int v0, v0, v0 32 if-eq v0, v1, :loop_entry 33 if-eq v0, v2, :nop_entry 34 return v0 35 .end method 36
