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140 lines
3.3 KiB
140 lines
3.3 KiB
4 months ago
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; Copyright (C) 2021 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 Main
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.super java/lang/Object
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; Just do simple check that we remove the instance-of. Well formedness
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; checks will be done in gtests.
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;; CHECK-START: int Main.$noinline$test(boolean) instruction_simplifier (before)
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;; CHECK-DAG: LoadClass
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;; CHECK-DAG: LoadClass
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;; CHECK-DAG: InstanceOf
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;
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;; CHECK-START: int Main.$noinline$test(boolean) instruction_simplifier (after)
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;; CHECK-DAG: LoadClass
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;; CHECK-DAG: LoadClass
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;
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;; CHECK-START: int Main.$noinline$test(boolean) instruction_simplifier (after)
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;; CHECK-NOT: InstanceOf
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;
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;; CHECK-START: int Main.$noinline$test(boolean) instruction_simplifier$before_codegen (after)
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;; CHECK-NOT: InstanceFieldSet
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;; CHECK-NOT: InstanceFieldGet
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;; CHECK-NOT: PredicatedInstanceFieldGet
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; public static int $noinline$test(boolean escape) {
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; Foo f = new Foo();
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; f.intField = 7
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; if (escape) {
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; if (f instanceof Bar) {
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; $noinline$escape(f);
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; }
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; }
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; return f.intField;
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; }
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.method public static $noinline$test(Z)I
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.limit stack 3
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new Foo
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; Stack: [f]
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dup
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; Stack: [f, f]
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invokespecial Foo/<init>()V
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; Stack: [f]
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dup
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; Stack: [f, f]
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ldc 7
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; Stack: [f, f, 7]
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putfield Foo/intField I
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; Stack: [f]
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iload_0
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; Stack: [f, escape]
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ifeq finish
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; Stack: [f]
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dup
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; Stack: [f, f]
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; NB Baz does not exist
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instanceof Baz
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; Stack: [f, is_instance]
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ifeq finish
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; Stack: [f]
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dup
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; Stack: [f, f]
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invokestatic Main/$noinline$escape(Ljava/lang/Object;)V
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; Stack: [f]
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finish: ; Stack: [f]
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getfield Foo/intField I
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; Stack: [f.intField]
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ireturn
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.end method
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.method public static $noinline$escape(Ljava/lang/Object;)V
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.limit stack 0
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return
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.end method
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; public static void main(String[] args) {
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; PrintStream out = System.out;
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; int i = $noinline$test(false);
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; if (i != 7) {
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; out.print("FAIL! GOT ");
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; out.println(i);
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; }
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; }
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.method public static main([Ljava/lang/String;)V
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.limit stack 5
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; Stack: []
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; locals: [args]
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getstatic java/lang/System/out Ljava/io/PrintStream;
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; Stack: [out]
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; locals: [args]
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astore_0
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; Stack: []
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; locals: [out]
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bipush 0
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; Stack: [0]
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; locals: [out]
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invokestatic Main/$noinline$test(Z)I
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; Stack: [res]
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; locals: [out]
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dup
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; Stack: [res, res]
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; locals: [out]
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bipush 7
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; Stack: [res, res, 7]
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; locals: [out]
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if_icmpeq finish
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; Stack: [res]
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; locals: [out]
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aload_0
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; Stack: [res, out]
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; locals: [out]
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dup2
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; Stack: [res, out, res, out]
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; locals: [out]
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ldc "FAIL! GOT "
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; Stack: [res, out, res, out, "FAIL! GOT "]
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; locals: [out]
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invokevirtual java/io/PrintStream/print(Ljava/lang/String;)V
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; Stack: [res, out, res]
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; locals: [out]
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invokevirtual java/io/PrintStream/println(I)V
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; Stack: [res]
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; locals: [out]
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finish:
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; Stack: [res]
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; locals: [out]
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return
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.end method
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