From cdc51bdcd4ecfcde468121a2d0bad2d7e8a63795 Mon Sep 17 00:00:00 2001 From: Devang Patel Date: Mon, 30 Jun 2008 18:05:29 +0000 Subject: [PATCH] Remove old LTO interface. llvm-svn: 52910 --- llvm/include/llvm/LinkTimeOptimizer.h | 179 -------------------------- 1 file changed, 179 deletions(-) delete mode 100644 llvm/include/llvm/LinkTimeOptimizer.h diff --git a/llvm/include/llvm/LinkTimeOptimizer.h b/llvm/include/llvm/LinkTimeOptimizer.h deleted file mode 100644 index eea0093e80f7..000000000000 --- a/llvm/include/llvm/LinkTimeOptimizer.h +++ /dev/null @@ -1,179 +0,0 @@ -//===-- llvm/LinkTimeOptimizer.h - Public Interface ------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This header provides public interface to use LLVM link time optimization -// library. This is intended to be used by linker to do link time optimization. -// -//===----------------------------------------------------------------------===// - -#ifndef __LTO_H__ -#define __LTO_H__ - -#include -#include -#include -#include -#include - -#define LLVM_LTO_VERSION 2 - -namespace llvm { - - class Module; - class GlobalValue; - class TargetMachine; - - enum LTOStatus { - LTO_UNKNOWN, - LTO_OPT_SUCCESS, - LTO_READ_SUCCESS, - LTO_READ_FAILURE, - LTO_WRITE_FAILURE, - LTO_NO_TARGET, - LTO_NO_WORK, - LTO_MODULE_MERGE_FAILURE, - LTO_ASM_FAILURE - }; - - enum LTOLinkageTypes { - LTOExternalLinkage, // Externally visible function - LTOLinkOnceLinkage, // Keep one copy of named function when linking (inline) - LTOWeakLinkage, // Keep one copy of named function when linking (weak) - LTOInternalLinkage, // Rename collisions when linking (static functions) - LTOCommonLinkage // tentative definitions (usually equivalent to weak) - }; - - enum LTOVisibilityTypes { - LTODefaultVisibility = 0, ///< The GV is visible - LTOHiddenVisibility, ///< The GV is hidden - LTOProtectedVisibility ///< The GV is protected - }; - - - enum LTOCodeGenModel { - LTO_CGM_Static, - LTO_CGM_Dynamic, - LTO_CGM_DynamicNoPIC - }; - - /// This class represents LLVM symbol information without exposing details - /// of LLVM global values. It encapsulates symbol linkage information. This - /// is typically used in hash_map where associated name identifies the - /// the symbol name. - class LLVMSymbol { - - public: - - LTOLinkageTypes getLinkage() const { return linkage; } - LTOVisibilityTypes getVisibility() const { return visibility; } - void mayBeNotUsed(); - - LLVMSymbol (enum LTOLinkageTypes lt, enum LTOVisibilityTypes vis, - GlobalValue *g, const std::string &n, - const std::string &m, int a) : linkage(lt), visibility(vis), - gv(g), name(n), - mangledName(m), alignment(a) {} - - const char *getName() { return name.c_str(); } - const char *getMangledName() { return mangledName.c_str(); } - int getAlignment() { return alignment; } - - private: - enum LTOLinkageTypes linkage; - enum LTOVisibilityTypes visibility; - GlobalValue *gv; - std::string name; - std::string mangledName; - int alignment; - }; - - class string_compare { - public: - bool operator()(const char* left, const char* right) const { - return (strcmp(left, right) == 0); - } - }; - - /// This is abstract class to facilitate dlopen() interface. - /// See LTO below for more info. - class LinkTimeOptimizer { - public: - typedef hash_map, - string_compare> NameToSymbolMap; - typedef hash_map, - string_compare> NameToModuleMap; - virtual enum LTOStatus readLLVMObjectFile(const std::string &, - NameToSymbolMap &, - std::set &) = 0; - virtual enum LTOStatus optimizeModules(const std::string &, - std::vector &exportList, - std::string &targetTriple, - bool saveTemps, const char *) = 0; - virtual void getTargetTriple(const std::string &, std::string &) = 0; - virtual void removeModule (const std::string &InputFilename) = 0; - virtual void setCodeGenModel(LTOCodeGenModel CGM) = 0; - virtual void printVersion () = 0; - virtual ~LinkTimeOptimizer() = 0; - }; - - /// This is the main link time optimization class. It exposes simple API - /// to perform link time optimization using LLVM intermodular optimizer. - class LTO : public LinkTimeOptimizer { - - public: - typedef hash_map, - string_compare> NameToSymbolMap; - typedef hash_map, - string_compare> NameToModuleMap; - - enum LTOStatus readLLVMObjectFile(const std::string &InputFilename, - NameToSymbolMap &symbols, - std::set &references); - enum LTOStatus optimizeModules(const std::string &OutputFilename, - std::vector &exportList, - std::string &targetTriple, - bool saveTemps, const char *); - void getTargetTriple(const std::string &InputFilename, - std::string &targetTriple); - void removeModule (const std::string &InputFilename); - void printVersion(); - - void setCodeGenModel(LTOCodeGenModel CGM) { - CGModel = CGM; - } - - // Constructors and destructors - LTO() : Target(NULL), CGModel(LTO_CGM_Dynamic) { - /// TODO: Use Target info, it is available at this time. - } - ~LTO(); - - private: - Module *getModule (const std::string &InputFilename); - enum LTOStatus optimize(Module *, std::ostream &, - std::vector &); - void getTarget(Module *); - - private: - std::vector modules; - NameToSymbolMap allSymbols; - NameToModuleMap allModules; - TargetMachine *Target; - LTOCodeGenModel CGModel; - }; - -} // End llvm namespace - -/// This provides C interface to initialize link time optimizer. This allows -/// linker to use dlopen() interface to dynamically load LinkTimeOptimizer. -/// extern "C" helps, because dlopen() interface uses name to find the symbol. -extern "C" -llvm::LinkTimeOptimizer *createLLVMOptimizer(unsigned VERSION = LLVM_LTO_VERSION); - -#endif