FindCalls.h
#ifndef FIND_CALLS_H
#define FIND_CALLS_H
/** \file
*
* Defines analyses to extract the functions called a function.
*/
#include <map>
#include <string>
#include <vector>
#include "Expr.h"
namespace Halide {
namespace Internal {
class Function;
/** Construct a map from name to Function definition object for all Halide
* functions called directly in the definition of the Function f, including
* in update definitions, update index expressions, and RDom extents. This map
* _does not_ include the Function f, unless it is called recursively by
* itself.
*/
std::map<std::string, Function> find_direct_calls(const Function &f);
/** Construct a map from name to Function definition object for all Halide
* functions called directly in the definition of the Function f, or
* indirectly in those functions' definitions, recursively. This map always
* _includes_ the Function f.
*/
std::map<std::string, Function> find_transitive_calls(const Function &f);
/** Find all Functions transitively referenced by any Function in `funcs` and return
* a map of them. */
std::map<std::string, Function> build_environment(const std::vector<Function> &funcs);
} // namespace Internal
} // namespace Halide
#endif