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54 lines
1.8 KiB
C++
54 lines
1.8 KiB
C++
// Part of the Carbon Language project, under the Apache License v2.0 with LLVM
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// Exceptions. See /LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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#ifndef CARBON_TOOLCHAIN_CODEGEN_CODEGEN_H_
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#define CARBON_TOOLCHAIN_CODEGEN_CODEGEN_H_
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#include "llvm/IR/Module.h"
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#include "llvm/Target/TargetMachine.h"
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namespace Carbon {
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class CodeGen {
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public:
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// `module` and `errors` must not be null.
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static auto Make(llvm::Module* module, llvm::StringRef target_triple_str,
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llvm::raw_pwrite_stream* errors) -> std::optional<CodeGen>;
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// Generates the object code file.
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// Returns false in case of failure, and any information about the failure is
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// printed to the error stream.
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//
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// Note that unlike the error stream, this requires a `pwrite` stream to allow
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// patching the output.
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auto EmitObject(llvm::raw_pwrite_stream& out) -> bool;
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// Prints the assembly to stdout.
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// Returns false in case of failure, and any information about the failure is
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// printed to the error stream.
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//
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// Note that unlike the error stream, this requires a `pwrite` stream to allow
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// patching the output.
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auto EmitAssembly(llvm::raw_pwrite_stream& out) -> bool;
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private:
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// `module` and `errors` must not be null.
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explicit CodeGen(llvm::Module* module, llvm::raw_pwrite_stream* errors)
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: module_(module), errors_(errors) {}
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// Using the llvm pass emits either assembly or object code to dest.
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// Returns false in case of failure, and any information about the failure is
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// printed to the error stream.
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auto EmitCode(llvm::raw_pwrite_stream& out, llvm::CodeGenFileType file_type)
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-> bool;
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llvm::Module* module_;
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llvm::raw_pwrite_stream* errors_;
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std::unique_ptr<llvm::TargetMachine> target_machine_;
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};
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} // namespace Carbon
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#endif // CARBON_TOOLCHAIN_CODEGEN_CODEGEN_H_
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