diff options
| author | Stephen Hines <srhines@google.com> | 2019-07-02 16:25:20 -0700 |
|---|---|---|
| committer | Ali B <abittin@gmail.com> | 2019-07-05 19:33:16 +0300 |
| commit | 9afee4e65dc5f9f5eb371683729ff67b8df81d03 (patch) | |
| tree | 4cf241d6c9044f91ee8c06e6920174d06f8de0b6 /clang-r353983e/include/clang/CodeGen/CodeGenAction.h | |
| parent | 2f19bd722c4c825320d1511c1ed83161b7f95d51 (diff) | |
clang 9.0.5 (based on r353983e) from build 5696680.
Bug: http://b/135931688
Bug: http://b/136008926
Test: N/A
Change-Id: I922d17410047d2e2df4625615352c588ee71b203
Diffstat (limited to 'clang-r353983e/include/clang/CodeGen/CodeGenAction.h')
| -rw-r--r-- | clang-r353983e/include/clang/CodeGen/CodeGenAction.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/clang-r353983e/include/clang/CodeGen/CodeGenAction.h b/clang-r353983e/include/clang/CodeGen/CodeGenAction.h new file mode 100644 index 00000000..1db904ea --- /dev/null +++ b/clang-r353983e/include/clang/CodeGen/CodeGenAction.h @@ -0,0 +1,121 @@ +//===--- CodeGenAction.h - LLVM Code Generation Frontend Action -*- 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 +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_CLANG_CODEGEN_CODEGENACTION_H +#define LLVM_CLANG_CODEGEN_CODEGENACTION_H + +#include "clang/Frontend/FrontendAction.h" +#include <memory> + +namespace llvm { + class LLVMContext; + class Module; +} + +namespace clang { +class BackendConsumer; + +class CodeGenAction : public ASTFrontendAction { +private: + // Let BackendConsumer access LinkModule. + friend class BackendConsumer; + + /// Info about module to link into a module we're generating. + struct LinkModule { + /// The module to link in. + std::unique_ptr<llvm::Module> Module; + + /// If true, we set attributes on Module's functions according to our + /// CodeGenOptions and LangOptions, as though we were generating the + /// function ourselves. + bool PropagateAttrs; + + /// If true, we use LLVM module internalizer. + bool Internalize; + + /// Bitwise combination of llvm::LinkerFlags used when we link the module. + unsigned LinkFlags; + }; + + unsigned Act; + std::unique_ptr<llvm::Module> TheModule; + + /// Bitcode modules to link in to our module. + SmallVector<LinkModule, 4> LinkModules; + llvm::LLVMContext *VMContext; + bool OwnsVMContext; + + std::unique_ptr<llvm::Module> loadModule(llvm::MemoryBufferRef MBRef); + +protected: + /// Create a new code generation action. If the optional \p _VMContext + /// parameter is supplied, the action uses it without taking ownership, + /// otherwise it creates a fresh LLVM context and takes ownership. + CodeGenAction(unsigned _Act, llvm::LLVMContext *_VMContext = nullptr); + + bool hasIRSupport() const override; + + std::unique_ptr<ASTConsumer> CreateASTConsumer(CompilerInstance &CI, + StringRef InFile) override; + + void ExecuteAction() override; + + void EndSourceFileAction() override; + +public: + ~CodeGenAction() override; + + /// Take the generated LLVM module, for use after the action has been run. + /// The result may be null on failure. + std::unique_ptr<llvm::Module> takeModule(); + + /// Take the LLVM context used by this action. + llvm::LLVMContext *takeLLVMContext(); + + BackendConsumer *BEConsumer; +}; + +class EmitAssemblyAction : public CodeGenAction { + virtual void anchor(); +public: + EmitAssemblyAction(llvm::LLVMContext *_VMContext = nullptr); +}; + +class EmitBCAction : public CodeGenAction { + virtual void anchor(); +public: + EmitBCAction(llvm::LLVMContext *_VMContext = nullptr); +}; + +class EmitLLVMAction : public CodeGenAction { + virtual void anchor(); +public: + EmitLLVMAction(llvm::LLVMContext *_VMContext = nullptr); +}; + +class EmitLLVMOnlyAction : public CodeGenAction { + virtual void anchor(); +public: + EmitLLVMOnlyAction(llvm::LLVMContext *_VMContext = nullptr); +}; + +class EmitCodeGenOnlyAction : public CodeGenAction { + virtual void anchor(); +public: + EmitCodeGenOnlyAction(llvm::LLVMContext *_VMContext = nullptr); +}; + +class EmitObjAction : public CodeGenAction { + virtual void anchor(); +public: + EmitObjAction(llvm::LLVMContext *_VMContext = nullptr); +}; + +} + +#endif |
