diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/llvm/LinkTimeOptimizer.h | 44 |
1 files changed, 34 insertions, 10 deletions
diff --git a/include/llvm/LinkTimeOptimizer.h b/include/llvm/LinkTimeOptimizer.h index 67c9b290f0..de33871d68 100644 --- a/include/llvm/LinkTimeOptimizer.h +++ b/include/llvm/LinkTimeOptimizer.h @@ -20,6 +20,8 @@ #include <set> #include <llvm/ADT/hash_map> +#define LLVM_LTO_VERSION 2 + namespace llvm { class Module; @@ -45,6 +47,19 @@ namespace llvm { LTOInternalLinkage // Rename collisions when linking (static functions) }; + 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 @@ -54,10 +69,13 @@ namespace llvm { public: LTOLinkageTypes getLinkage() const { return linkage; } + LTOVisibilityTypes getVisibility() const { return visibility; } void mayBeNotUsed(); - LLVMSymbol (enum LTOLinkageTypes lt, GlobalValue *g, const std::string &n, - const std::string &m, int a) : linkage(lt), gv(g), name(n), + 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(); } @@ -66,6 +84,7 @@ namespace llvm { private: enum LTOLinkageTypes linkage; + enum LTOVisibilityTypes visibility; GlobalValue *gv; std::string name; std::string mangledName; @@ -91,11 +110,12 @@ namespace llvm { NameToSymbolMap &, std::set<std::string> &) = 0; virtual enum LTOStatus optimizeModules(const std::string &, - std::vector<const char*> &, - std::string &, bool, - const char *) = 0; + std::vector<const char*> &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; }; @@ -115,17 +135,20 @@ namespace llvm { std::set<std::string> &references); enum LTOStatus optimizeModules(const std::string &OutputFilename, std::vector<const char*> &exportList, - std::string &targetTriple, bool saveTemps, - const char *); + 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() { + LTO() : Target(NULL), CGModel(LTO_CGM_Dynamic) { /// TODO: Use Target info, it is available at this time. - Target = NULL; } ~LTO(); @@ -140,6 +163,7 @@ namespace llvm { NameToSymbolMap allSymbols; NameToModuleMap allModules; TargetMachine *Target; + LTOCodeGenModel CGModel; }; } // End llvm namespace @@ -148,6 +172,6 @@ namespace llvm { /// 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(); +llvm::LinkTimeOptimizer *createLLVMOptimizer(unsigned VERSION = LLVM_LTO_VERSION); #endif |