1 # Copyright (C) 2017 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 LIrreducibleLoop; 16 17 .super Ljava/lang/Object; 18 19 .method public static simpleLoop(I)I 20 .registers 3 21 const/16 v0, 42 22 if-eqz p0, :loop_entry 23 goto :other_loop_pre_entry 24 25 # The then part: beginning of the irreducible loop. 26 :loop_entry 27 if-nez p0, :exit 28 invoke-static {v0},LIrreducibleLoop;->foo(I)V 29 :other_loop_entry 30 goto :loop_entry 31 32 # The else part. 33 :other_loop_pre_entry 34 if-eqz p0, :other_loop_entry 35 invoke-static {v0},LIrreducibleLoop;->foo(I)V 36 goto :other_loop_entry 37 38 :exit 39 return v0 40 .end method 41 42 .method public static foo(I)V 43 .registers 3 44 const/16 v0, 0 45 sget-boolean v1,LIrreducibleLoop;->doThrow:Z 46 if-eqz v1, :exit 47 # Inlining a method that throws requires re-computing loop information 48 # which is unsupported when the caller has an irreducible loop. 49 throw v0 50 :exit 51 return-void 52 .end method 53 54 .field public static doThrow:Z 55
