DataStructures.hpp

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#ifndef LLVMEXPR_ANALYSIS_FRAMEWORK_DATA_STRUCTURES_HPP
#define LLVMEXPR_ANALYSIS_FRAMEWORK_DATA_STRUCTURES_HPP
 
#include <tuple>
#include <vector>
 
namespace analysis {
 
struct CFGBlock {
    int start_token_idx;
    int end_token_idx; // exclusive
    std::vector<int> successors;
    std::vector<int> predecessors;
 
    int stack_effect = 0;
    int min_stack_needed =
        0; // min stack depth during the block, relative to start
};
 
struct RelYAccess {
    int clip_idx;
    int rel_y;
    bool use_mirror;
 
    bool operator<(const RelYAccess& other) const {
        return std::tie(clip_idx, rel_y, use_mirror) <
               std::tie(other.clip_idx, other.rel_y, other.use_mirror);
    }
};
 
} // namespace analysis
 
#endif // LLVMEXPR_ANALYSIS_FRAMEWORK_DATA_STRUCTURES_HPP