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https://github.com/c64scene-ar/llvm-6502.git
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597d2b7309
debugging output to the LLI orc-lazy JIT, and update the orc-lazy "hello.ll" test to actually test for lazy compilation. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@234805 91177308-0d34-0410-b5e6-96231b3b80d8
102 lines
3.8 KiB
C++
102 lines
3.8 KiB
C++
//===----- IRTransformLayer.h - Run all IR through a functor ----*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// Run all IR passed in through a user supplied functor.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_EXECUTIONENGINE_ORC_IRTRANSFORMLAYER_H
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#define LLVM_EXECUTIONENGINE_ORC_IRTRANSFORMLAYER_H
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#include "JITSymbol.h"
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namespace llvm {
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namespace orc {
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/// @brief IR mutating layer.
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///
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/// This layer accepts sets of LLVM IR Modules (via addModuleSet). It
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/// immediately applies the user supplied functor to each module, then adds
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/// the set of transformed modules to the layer below.
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template <typename BaseLayerT, typename TransformFtor>
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class IRTransformLayer {
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public:
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/// @brief Handle to a set of added modules.
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typedef typename BaseLayerT::ModuleSetHandleT ModuleSetHandleT;
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/// @brief Construct an IRTransformLayer with the given BaseLayer
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IRTransformLayer(BaseLayerT &BaseLayer,
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TransformFtor Transform = TransformFtor())
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: BaseLayer(BaseLayer), Transform(std::move(Transform)) {}
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/// @brief Apply the transform functor to each module in the module set, then
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/// add the resulting set of modules to the base layer, along with the
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/// memory manager and symbol resolver.
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///
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/// @return A handle for the added modules.
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template <typename ModuleSetT, typename MemoryManagerPtrT,
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typename SymbolResolverPtrT>
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ModuleSetHandleT addModuleSet(ModuleSetT Ms,
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MemoryManagerPtrT MemMgr,
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SymbolResolverPtrT Resolver) {
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for (auto I = Ms.begin(), E = Ms.end(); I != E; ++I)
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*I = Transform(std::move(*I));
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return BaseLayer.addModuleSet(std::move(Ms), std::move(MemMgr),
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std::move(Resolver));
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}
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/// @brief Remove the module set associated with the handle H.
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void removeModuleSet(ModuleSetHandleT H) { BaseLayer.removeModuleSet(H); }
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/// @brief Search for the given named symbol.
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/// @param Name The name of the symbol to search for.
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/// @param ExportedSymbolsOnly If true, search only for exported symbols.
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/// @return A handle for the given named symbol, if it exists.
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JITSymbol findSymbol(const std::string &Name, bool ExportedSymbolsOnly) {
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return BaseLayer.findSymbol(Name, ExportedSymbolsOnly);
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}
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/// @brief Get the address of the given symbol in the context of the set of
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/// modules represented by the handle H. This call is forwarded to the
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/// base layer's implementation.
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/// @param H The handle for the module set to search in.
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/// @param Name The name of the symbol to search for.
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/// @param ExportedSymbolsOnly If true, search only for exported symbols.
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/// @return A handle for the given named symbol, if it is found in the
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/// given module set.
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JITSymbol findSymbolIn(ModuleSetHandleT H, const std::string &Name,
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bool ExportedSymbolsOnly) {
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return BaseLayer.findSymbolIn(H, Name, ExportedSymbolsOnly);
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}
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/// @brief Immediately emit and finalize the module set represented by the
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/// given handle.
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/// @param H Handle for module set to emit/finalize.
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void emitAndFinalize(ModuleSetHandleT H) {
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BaseLayer.emitAndFinalize(H);
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}
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/// @brief Access the transform functor directly.
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TransformFtor& getTransform() { return Transform; }
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/// @brief Access the mumate functor directly.
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const TransformFtor& getTransform() const { return Transform; }
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private:
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BaseLayerT &BaseLayer;
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TransformFtor Transform;
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};
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} // End namespace orc.
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} // End namespace llvm.
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#endif // LLVM_EXECUTIONENGINE_ORC_IRTRANSFORMLAYER_H
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