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# 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 LIrreducibleLoop;
.super Ljava/lang/Object;
## CHECK-START-X86: int IrreducibleLoop.simpleLoop(int) dead_code_elimination$initial (before)
## CHECK-DAG: <<Constant:i\d+>> IntConstant 42
## CHECK-DAG: InvokeStaticOrDirect [<<Constant>>{{(,[ij]\d+)?}}] loop:{{B\d+}} irreducible:true
## CHECK-DAG: InvokeStaticOrDirect [<<Constant>>{{(,[ij]\d+)?}}] loop:none
.method public static simpleLoop(I)I
.registers 3
const/16 v0, 42
if-eqz p0, :loop_entry
goto :other_loop_pre_entry
# The then part: beginning of the irreducible loop.
:loop_entry
if-nez p0, :exit
invoke-static {v0},LIrreducibleLoop;->$noinline$m(I)V
:other_loop_entry
goto :loop_entry
# The else part: a block uses the ArtMethod and branches to
# a block that doesn't. The register allocator used to trip there, as the
# ArtMethod was a live_in of the last block before the loop, but did not have
# a location due to our liveness analysis.
:other_loop_pre_entry
if-eqz p0, :other_loop_entry
invoke-static {v0},LIrreducibleLoop;->$noinline$m(I)V
goto :other_loop_entry
:exit
return v0
.end method
.method public static $noinline$m(I)V
.registers 3
const/16 v0, 0
sget-boolean v1,LIrreducibleLoop;->doThrow:Z
if-eqz v1, :exit
# Prevent inlining.
throw v0
:exit
return-void
.end method
.field public static doThrow:Z