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