| // Copyright 2014 The Bazel Authors. All rights reserved. |
| // |
| // 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. |
| package com.google.devtools.build.lib.rules.cpp; |
| |
| import com.google.devtools.build.lib.actions.Artifact; |
| import com.google.devtools.build.lib.concurrent.ThreadSafety.Immutable; |
| import com.google.devtools.build.lib.packages.StructImpl; |
| import javax.annotation.Nullable; |
| import net.starlark.java.eval.EvalException; |
| |
| /** |
| * Describes how C++ FDO compilation should be done. |
| * |
| * <p>A POJO encapsulating the branch profiling configuration. For implementation see |
| * fdo_context.bzl. |
| * |
| * <p><b>The {@code fdoProfilePath} member was a mistake. DO NOT USE IT FOR ANYTHING!</b> |
| */ |
| @Immutable |
| public final class FdoContext { |
| private final StructImpl fdoContextStruct; |
| |
| /** A POJO encapsulating the branch profiling configuration. */ |
| @Immutable |
| public static class BranchFdoProfile { |
| private final StructImpl branchFdoProfile; |
| |
| public BranchFdoProfile(StructImpl branchFdoProfile) { |
| this.branchFdoProfile = branchFdoProfile; |
| } |
| |
| public boolean isAutoFdo() throws EvalException { |
| return getBranchFdoMode().equals("auto_fdo"); |
| } |
| |
| public boolean isAutoXBinaryFdo() throws EvalException { |
| return getBranchFdoMode().equals("xbinary_fdo"); |
| } |
| |
| public boolean isLlvmFdo() throws EvalException { |
| return getBranchFdoMode().equals("llvm_fdo"); |
| } |
| |
| public boolean isLlvmCSFdo() throws EvalException { |
| return getBranchFdoMode().equals("llvm_cs_fdo"); |
| } |
| |
| @Nullable |
| public Artifact getProfileArtifact() throws EvalException { |
| return branchFdoProfile.getNoneableValue("profile_artifact", Artifact.class); |
| } |
| |
| @Nullable |
| public Artifact getProtoProfileArtifact() throws EvalException { |
| return branchFdoProfile.getNoneableValue("proto_profile_artifact", Artifact.class); |
| } |
| |
| private String getBranchFdoMode() throws EvalException { |
| return branchFdoProfile.getValue("branch_fdo_mode", String.class); |
| } |
| } |
| |
| public FdoContext(StructImpl fdoContextStruct) { |
| this.fdoContextStruct = fdoContextStruct; |
| } |
| |
| @Nullable |
| public BranchFdoProfile getBranchFdoProfile() throws EvalException { |
| StructImpl branchFdoProfile = |
| fdoContextStruct.getNoneableValue("branch_fdo_profile", StructImpl.class); |
| if (branchFdoProfile == null) { |
| return null; |
| } |
| return new BranchFdoProfile(branchFdoProfile); |
| } |
| |
| public Artifact getPrefetchHintsArtifact() throws EvalException { |
| return fdoContextStruct.getNoneableValue("prefetch_hints_artifact", Artifact.class); |
| } |
| |
| @Nullable |
| public PropellerOptimizeInputFile getPropellerOptimizeInputFile() throws EvalException { |
| StructImpl inputFile = |
| fdoContextStruct.getNoneableValue("propeller_optimize_info", StructImpl.class); |
| if (inputFile == null) { |
| return null; |
| } |
| return new PropellerOptimizeInputFile(inputFile); |
| } |
| |
| public Artifact getMemProfProfileArtifact() throws EvalException { |
| return fdoContextStruct.getNoneableValue("memprof_profile_artifact", Artifact.class); |
| } |
| |
| boolean hasArtifacts() throws EvalException { |
| return getBranchFdoProfile() != null |
| || getPrefetchHintsArtifact() != null |
| || getPropellerOptimizeInputFile() != null |
| || getMemProfProfileArtifact() != null; |
| } |
| } |