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Diffstat (limited to 'release_23/lib/ExecutionEngine/JIT/JIT.h')
-rw-r--r-- | release_23/lib/ExecutionEngine/JIT/JIT.h | 137 |
1 files changed, 0 insertions, 137 deletions
diff --git a/release_23/lib/ExecutionEngine/JIT/JIT.h b/release_23/lib/ExecutionEngine/JIT/JIT.h deleted file mode 100644 index 69e301bf6d04..000000000000 --- a/release_23/lib/ExecutionEngine/JIT/JIT.h +++ /dev/null @@ -1,137 +0,0 @@ -//===-- JIT.h - Class definition for the JIT --------------------*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file is distributed under the University of Illinois Open Source -// License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file defines the top-level JIT data structure. -// -//===----------------------------------------------------------------------===// - -#ifndef JIT_H -#define JIT_H - -#include "llvm/ExecutionEngine/ExecutionEngine.h" -#include "llvm/PassManager.h" -#include <map> - -namespace llvm { - -class Function; -class GlobalValue; -class Constant; -class TargetMachine; -class TargetJITInfo; -class MachineCodeEmitter; - -class JITState { -private: - FunctionPassManager PM; // Passes to compile a function - - /// PendingGlobals - Global variables which have had memory allocated for them - /// while a function was code generated, but which have not been initialized - /// yet. - std::vector<const GlobalVariable*> PendingGlobals; - -public: - explicit JITState(ModuleProvider *MP) : PM(MP) {} - - FunctionPassManager &getPM(const MutexGuard &L) { - return PM; - } - - std::vector<const GlobalVariable*> &getPendingGlobals(const MutexGuard &L) { - return PendingGlobals; - } -}; - - -class JIT : public ExecutionEngine { - TargetMachine &TM; // The current target we are compiling to - TargetJITInfo &TJI; // The JITInfo for the target we are compiling to - MachineCodeEmitter *MCE; // MCE object - - JITState jitstate; - - JIT(ModuleProvider *MP, TargetMachine &tm, TargetJITInfo &tji, - JITMemoryManager *JMM); -public: - ~JIT(); - - static void Register() { - JITCtor = create; - } - - /// getJITInfo - Return the target JIT information structure. - /// - TargetJITInfo &getJITInfo() const { return TJI; } - - /// create - Create an return a new JIT compiler if there is one available - /// for the current target. Otherwise, return null. - /// - static ExecutionEngine *create(ModuleProvider *MP, std::string *Err) { - return createJIT(MP, Err, 0); - } - - /// run - Start execution with the specified function and arguments. - /// - virtual GenericValue runFunction(Function *F, - const std::vector<GenericValue> &ArgValues); - - /// getPointerToNamedFunction - This method returns the address of the - /// specified function by using the dlsym function call. As such it is only - /// useful for resolving library symbols, not code generated symbols. - /// - void *getPointerToNamedFunction(const std::string &Name); - - // CompilationCallback - Invoked the first time that a call site is found, - // which causes lazy compilation of the target function. - // - static void CompilationCallback(); - - /// getPointerToFunction - This returns the address of the specified function, - /// compiling it if necessary. - /// - void *getPointerToFunction(Function *F); - - /// getOrEmitGlobalVariable - Return the address of the specified global - /// variable, possibly emitting it to memory if needed. This is used by the - /// Emitter. - void *getOrEmitGlobalVariable(const GlobalVariable *GV); - - /// getPointerToFunctionOrStub - If the specified function has been - /// code-gen'd, return a pointer to the function. If not, compile it, or use - /// a stub to implement lazy compilation if available. - /// - void *getPointerToFunctionOrStub(Function *F); - - /// recompileAndRelinkFunction - This method is used to force a function - /// which has already been compiled, to be compiled again, possibly - /// after it has been modified. Then the entry to the old copy is overwritten - /// with a branch to the new copy. If there was no old copy, this acts - /// just like JIT::getPointerToFunction(). - /// - void *recompileAndRelinkFunction(Function *F); - - /// freeMachineCodeForFunction - deallocate memory used to code-generate this - /// Function. - /// - void freeMachineCodeForFunction(Function *F); - - /// getCodeEmitter - Return the code emitter this JIT is emitting into. - MachineCodeEmitter *getCodeEmitter() const { return MCE; } - - static ExecutionEngine *createJIT(ModuleProvider *MP, std::string *Err, - JITMemoryManager *JMM); - -private: - static MachineCodeEmitter *createEmitter(JIT &J, JITMemoryManager *JMM); - void runJITOnFunction (Function *F); -}; - -} // End llvm namespace - -#endif |