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authorvitalyisaev <vitalyisaev@yandex-team.com>2023-06-29 10:00:50 +0300
committervitalyisaev <vitalyisaev@yandex-team.com>2023-06-29 10:00:50 +0300
commit6ffe9e53658409f212834330e13564e4952558f6 (patch)
tree85b1e00183517648b228aafa7c8fb07f5276f419 /contrib/libs/llvm14/include/llvm/ExecutionEngine/Orc/CompileUtils.h
parent726057070f9c5a91fc10fde0d5024913d10f1ab9 (diff)
downloadydb-6ffe9e53658409f212834330e13564e4952558f6.tar.gz
YQ Connector: support managed ClickHouse
Со стороны dqrun можно обратиться к инстансу коннектора, который работает на streaming стенде, и извлечь данные из облачного CH.
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diff --git a/contrib/libs/llvm14/include/llvm/ExecutionEngine/Orc/CompileUtils.h b/contrib/libs/llvm14/include/llvm/ExecutionEngine/Orc/CompileUtils.h
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+++ b/contrib/libs/llvm14/include/llvm/ExecutionEngine/Orc/CompileUtils.h
@@ -0,0 +1,111 @@
+#pragma once
+
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-parameter"
+#endif
+
+//===- CompileUtils.h - Utilities for compiling IR in the JIT ---*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// Contains utilities for compiling IR to object files.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_EXECUTIONENGINE_ORC_COMPILEUTILS_H
+#define LLVM_EXECUTIONENGINE_ORC_COMPILEUTILS_H
+
+#include "llvm/ExecutionEngine/Orc/IRCompileLayer.h"
+#include "llvm/ExecutionEngine/Orc/JITTargetMachineBuilder.h"
+#include "llvm/ExecutionEngine/Orc/Layer.h"
+#include <memory>
+
+namespace llvm {
+
+class MemoryBuffer;
+class Module;
+class ObjectCache;
+class TargetMachine;
+
+namespace orc {
+
+IRSymbolMapper::ManglingOptions
+irManglingOptionsFromTargetOptions(const TargetOptions &Opts);
+
+/// Simple compile functor: Takes a single IR module and returns an ObjectFile.
+/// This compiler supports a single compilation thread and LLVMContext only.
+/// For multithreaded compilation, use ConcurrentIRCompiler below.
+class SimpleCompiler : public IRCompileLayer::IRCompiler {
+public:
+ using CompileResult = std::unique_ptr<MemoryBuffer>;
+
+ /// Construct a simple compile functor with the given target.
+ SimpleCompiler(TargetMachine &TM, ObjectCache *ObjCache = nullptr)
+ : IRCompiler(irManglingOptionsFromTargetOptions(TM.Options)), TM(TM),
+ ObjCache(ObjCache) {}
+
+ /// Set an ObjectCache to query before compiling.
+ void setObjectCache(ObjectCache *NewCache) { ObjCache = NewCache; }
+
+ /// Compile a Module to an ObjectFile.
+ Expected<CompileResult> operator()(Module &M) override;
+
+private:
+ IRSymbolMapper::ManglingOptions
+ manglingOptionsForTargetMachine(const TargetMachine &TM);
+
+ CompileResult tryToLoadFromObjectCache(const Module &M);
+ void notifyObjectCompiled(const Module &M, const MemoryBuffer &ObjBuffer);
+
+ TargetMachine &TM;
+ ObjectCache *ObjCache = nullptr;
+};
+
+/// A SimpleCompiler that owns its TargetMachine.
+///
+/// This convenient for clients who don't want to own their TargetMachines,
+/// e.g. LLJIT.
+class TMOwningSimpleCompiler : public SimpleCompiler {
+public:
+ TMOwningSimpleCompiler(std::unique_ptr<TargetMachine> TM,
+ ObjectCache *ObjCache = nullptr)
+ : SimpleCompiler(*TM, ObjCache), TM(std::move(TM)) {}
+
+private:
+ // FIXME: shared because std::functions (and consequently
+ // IRCompileLayer::CompileFunction) are not moveable.
+ std::shared_ptr<llvm::TargetMachine> TM;
+};
+
+/// A thread-safe version of SimpleCompiler.
+///
+/// This class creates a new TargetMachine and SimpleCompiler instance for each
+/// compile.
+class ConcurrentIRCompiler : public IRCompileLayer::IRCompiler {
+public:
+ ConcurrentIRCompiler(JITTargetMachineBuilder JTMB,
+ ObjectCache *ObjCache = nullptr);
+
+ void setObjectCache(ObjectCache *ObjCache) { this->ObjCache = ObjCache; }
+
+ Expected<std::unique_ptr<MemoryBuffer>> operator()(Module &M) override;
+
+private:
+ JITTargetMachineBuilder JTMB;
+ ObjectCache *ObjCache = nullptr;
+};
+
+} // end namespace orc
+
+} // end namespace llvm
+
+#endif // LLVM_EXECUTIONENGINE_ORC_COMPILEUTILS_H
+
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif