SingleExprIRGenerator.hpp

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#ifndef LLVMEXPR_CODEGEN_LLVM_SINGLEEXPRIRGENERATOR_HPP
#define LLVMEXPR_CODEGEN_LLVM_SINGLEEXPRIRGENERATOR_HPP
 
#include "IRGeneratorBase.hpp"
 
class SingleExprIRGenerator : public IRGeneratorBase {
  public:
    SingleExprIRGenerator(
        const std::vector<Token>& tokens_in, const VSVideoInfo* out_vi,
        const std::vector<const VSVideoInfo*>& in_vi, bool mirror,
        const std::map<std::pair<int, std::string>, int>& p_map,
        const std::vector<std::string>& output_props,
        const analysis::ExpressionAnalysisResults& analysis_results_in,
        llvm::LLVMContext& context_ref, llvm::Module& module_ref,
        llvm::IRBuilder<>& builder_ref, MathLibraryManager& math_mgr,
        std::string func_name_in, int approx_math_in);
 
  protected:
    void defineFunctionSignature() override;
    void generateLoops() override;
 
    bool processModeSpecificToken(const Token& token,
                                  std::vector<llvm::Value*>& rpn_stack,
                                  llvm::Value* x, llvm::Value* y,
                                  llvm::Value* x_fp, llvm::Value* y_fp,
                                  bool no_x_bounds_check) override;
 
    void finalizeAndStoreResult(llvm::Value* result_val, llvm::Value* x,
                                llvm::Value* y) override;
 
  private:
    llvm::Value* generatePixelLoadPlane(int clip_idx, int plane_idx,
                                        llvm::Value* x, llvm::Value* y);
    void generatePixelStorePlane(llvm::Value* value_to_store, int plane_idx,
                                 llvm::Value* x, llvm::Value* y);
 
    std::vector<std::vector<llvm::Value*>> plane_base_ptrs;
    std::vector<std::vector<llvm::Value*>> plane_strides;
    std::map<std::string, llvm::Value*> prop_allocas;
    const std::vector<std::string>& output_props_list;
    std::map<std::string, int> output_prop_map;
 
    // Array
    llvm::Value* context_arg = nullptr;
    llvm::Function* llvmexpr_ensure_buffer_func = nullptr;
    llvm::Function* llvmexpr_get_buffer_size_func = nullptr;
    std::map<std::string, llvm::Value*> array_ptr_cache;
 
    std::map<std::string, llvm::Value*> named_arrays;
};
 
#endif // LLVMEXPR_CODEGEN_LLVM_SINGLEEXPRIRGENERATOR_HPP