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67 lines
1.9 KiB
C++
67 lines
1.9 KiB
C++
//===- lto-c.cpp - LLVM Link Time Optimizer C Wrappers --------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by Chandler Carruth and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements a C wrapper API for the Link Time Optimization
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// library.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm-c/LinkTimeOptimizer.h"
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#include "llvm/LinkTimeOptimizer.h"
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using namespace llvm;
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/// Create an instance of the LLVM LTO object for performing the link
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/// time optimizations.
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extern "C"
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llvm_lto_t llvm_create_optimizer() {
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return new llvm::LTO();
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}
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/// Destroy an instance of the LLVM LTO object
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extern "C"
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void llvm_destroy_optimizer(llvm_lto_t lto) {
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delete (llvm::LTO*)lto;
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}
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/// Read an LLVM bytecode file using LTO::readLLVMObjectFile.
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extern "C"
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llvm_lto_status
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llvm_read_object_file(llvm_lto_t lto, const char *input_filename) {
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llvm::LTO *l = (llvm::LTO*)lto;
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if (input_filename == NULL)
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return LLVM_LTO_READ_FAILURE;
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std::string InputFilename(input_filename);
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llvm::LTO::NameToSymbolMap symbols;
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std::set<std::string> references;
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return (llvm_lto_status)((int)(l->readLLVMObjectFile(InputFilename, symbols,
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references)));
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}
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/// Optimize and output object code using LTO::optimizeModules.
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extern "C"
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llvm_lto_status
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llvm_optimize_modules(llvm_lto_t lto, const char *output_filename) {
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llvm::LTO *l = (llvm::LTO*)lto;
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std::string OutputFilename(output_filename);
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std::vector<const char *> exportList;
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std::string targetTriple;
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return (llvm_lto_status)((int)(
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l->optimizeModules(OutputFilename, exportList,
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targetTriple, false, "")));
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}
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