1 # Copyright (C) 2015 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 LTestCase; 16 .super Ljava/lang/Object; 17 18 .method public static $noinline$throw()V 19 .registers 1 20 new-instance v0, Ljava/lang/Exception; 21 invoke-direct {v0}, Ljava/lang/Exception;-><init>()V 22 throw v0 23 .end method 24 25 # Test storing into the high vreg of a wide pair. This scenario has runtime 26 # behaviour implications so we run it from Main.main. 27 28 ## CHECK-START: int TestCase.invalidateLow(long) builder (after) 29 ## CHECK-DAG: <<Cst0:i\d+>> IntConstant 0 30 ## CHECK-DAG: <<Arg:j\d+>> ParameterValue 31 ## CHECK-DAG: <<Cast:i\d+>> TypeConversion [<<Arg>>] 32 ## CHECK-DAG: InvokeStaticOrDirect method_name:java.lang.System.nanoTime env:[[_,<<Cst0>>,<<Arg>>,_]] 33 ## CHECK-DAG: InvokeStaticOrDirect method_name:TestCase.$noinline$throw env:[[_,<<Cast>>,<<Arg>>,_]] 34 35 .method public static invalidateLow(J)I 36 .registers 4 37 38 const/4 v1, 0x0 39 40 :try_start 41 invoke-static {}, Ljava/lang/System;->nanoTime()J 42 move-wide v0, p0 43 long-to-int v1, v0 44 invoke-static {}, LTestCase;->$noinline$throw()V 45 :try_end 46 .catchall {:try_start .. :try_end} :catchall 47 48 :catchall 49 return v1 50 51 .end method 52 53 # Test that storing a wide invalidates the value in the high vreg. This 54 # cannot be detected from runtime so we only test the environment with Checker. 55 56 ## CHECK-START: void TestCase.invalidateHigh1(long) builder (after) 57 ## CHECK-DAG: <<Arg:j\d+>> ParameterValue 58 ## CHECK-DAG: InvokeStaticOrDirect method_name:java.lang.System.nanoTime env:[[<<Arg>>,_,<<Arg>>,_]] 59 60 .method public static invalidateHigh1(J)V 61 .registers 4 62 63 const/4 v1, 0x0 64 move-wide v0, p0 65 invoke-static {}, Ljava/lang/System;->nanoTime()J 66 return-void 67 68 .end method 69 70 ## CHECK-START: void TestCase.invalidateHigh2(long) builder (after) 71 ## CHECK-DAG: <<Arg:j\d+>> ParameterValue 72 ## CHECK-DAG: InvokeStaticOrDirect method_name:java.lang.System.nanoTime env:[[<<Arg>>,_,_,<<Arg>>,_]] 73 74 .method public static invalidateHigh2(J)V 75 .registers 5 76 77 move-wide v1, p0 78 move-wide v0, p0 79 invoke-static {}, Ljava/lang/System;->nanoTime()J 80 return-void 81 82 .end method 83