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