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