src/objectemitter/LLVMObjectEmitter.cpp
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| 1 | // Copyright (c) 2021-2026 ChilliBits. All rights reserved. | ||
| 2 | |||
| 3 | #include "LLVMObjectEmitter.h" | ||
| 4 | |||
| 5 | #include <SourceFile.h> | ||
| 6 | #include <driver/Driver.h> | ||
| 7 | #include <exception/CompilerError.h> | ||
| 8 | #include <global/GlobalResourceManager.h> | ||
| 9 | #include <util/RawStringOStream.h> | ||
| 10 | |||
| 11 | #include <llvm/IR/LegacyPassManager.h> | ||
| 12 | #include <llvm/Support/CodeGen.h> | ||
| 13 | #include <llvm/Support/FileSystem.h> | ||
| 14 | |||
| 15 | namespace spice::compiler { | ||
| 16 | |||
| 17 | 2126 | LLVMObjectEmitter::LLVMObjectEmitter(GlobalResourceManager &resourceManager, SourceFile *sourceFile) | |
| 18 | : CompilerPass(resourceManager, sourceFile), | ||
| 19 |
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2126 | module(cliOptions.useLTO ? *resourceManager.ltoModule : *sourceFile->llvmModule) {} |
| 20 | |||
| 21 | 2126 | void LLVMObjectEmitter::emit(const std::filesystem::path &objectPath) const { | |
| 22 |
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2126 | const std::string objectPathString = objectPath.string(); |
| 23 | |||
| 24 | // Open file output stream | ||
| 25 | 2126 | std::error_code errorCode; | |
| 26 |
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2126 | llvm::raw_fd_ostream stream(objectPathString, errorCode, llvm::sys::fs::OF_None); |
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2126 | if (errorCode) |
| 28 | − | throw CompilerError(CANT_OPEN_OUTPUT_FILE, "File '" + objectPathString + "' could not be opened"); // GCOV_EXCL_LINE | |
| 29 | |||
| 30 |
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2126 | llvm::legacy::PassManager passManager; |
| 31 | 2126 | constexpr auto fileType = llvm::CodeGenFileType::ObjectFile; | |
| 32 |
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2126 | if (sourceFile->targetMachine->addPassesToEmitFile(passManager, stream, nullptr, fileType, cliOptions.disableVerifier)) |
| 33 | − | throw CompilerError(WRONG_OUTPUT_TYPE, "Target machine can't emit a file of this type"); // GCOV_EXCL_LINE | |
| 34 | |||
| 35 | // Emit object file | ||
| 36 |
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2126 | passManager.run(module); |
| 37 |
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2126 | stream.flush(); |
| 38 | 2126 | } | |
| 39 | |||
| 40 | 2079 | void LLVMObjectEmitter::getASMString(std::string &output) const { | |
| 41 |
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2079 | RawStringOStream ostream(output); |
| 42 |
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2079 | llvm::legacy::PassManager passManager; |
| 43 | 2079 | constexpr auto fileType = llvm::CodeGenFileType::AssemblyFile; | |
| 44 |
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2079 | if (sourceFile->targetMachine->addPassesToEmitFile(passManager, ostream, nullptr, fileType, cliOptions.disableVerifier)) |
| 45 | − | throw CompilerError(WRONG_OUTPUT_TYPE, "Target machine can't emit a file of this type"); // GCOV_EXCL_LINE | |
| 46 | |||
| 47 | // Emit object file | ||
| 48 |
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2079 | passManager.run(module); |
| 49 |
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2079 | ostream.flush(); |
| 50 | 2079 | } | |
| 51 | |||
| 52 | } // namespace spice::compiler | ||
| 53 |