diff options
Diffstat (limited to 'compute_kernel_writer/include/ckw')
| -rw-r--r-- | compute_kernel_writer/include/ckw/KernelWriter.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/compute_kernel_writer/include/ckw/KernelWriter.h b/compute_kernel_writer/include/ckw/KernelWriter.h index 022ae83999..23237ace28 100644 --- a/compute_kernel_writer/include/ckw/KernelWriter.h +++ b/compute_kernel_writer/include/ckw/KernelWriter.h @@ -126,6 +126,52 @@ public: virtual void op_ternary(const TileOperand &dst, TernaryOp op, const TileOperand &first, const TileOperand &second, const TileOperand &third) = 0; // ============================================================================================= + // Flow control + // ============================================================================================= + + /** Write if block: `if(<lhs> <op> <rhs>) { <body> }`. + * + * @param[in] lhs The LHS tile of the condition. + * @param[in] op The relational binary operator. + * @param[in] rhs The RHS tile of the condition. + * @param[in] body The function that writes the body of the if block. + */ + virtual void op_if(const TileOperand &lhs, BinaryOp op, const TileOperand &rhs, const std::function<void()> &body) = 0; + + /** Write else-if block: `else if(<lhs> <op> <rhs>) { <body> }`. + * + * @param[in] lhs The LHS tile of the condition. + * @param[in] op The relational binary operator. + * @param[in] rhs The RHS tile of the condition. + * @param[in] body The function that writes the body of the else-if block. + */ + virtual void op_else_if(const TileOperand &lhs, BinaryOp op, const TileOperand &rhs, const std::function<void()> &body) = 0; + + /** Write an else block: `else { <body> }`. + * + * @param[in] body The function that writes the body of the else block. + */ + virtual void op_else(const std::function<void()> &body) = 0; + + /** Write for-loop block: `for(; <var> <cond_op> <cond_value>; <update_var> <update_op> <update_value>) { body }`. + * + * @param[in] var The scalar tile used in loop condition. + * @param[in] cond_op The relational binary operator used in loop condition. + * @param[in] cond_value The value which the variable is compared against. + * @param[in] update_var The scalar tile which is updated each iteration. + * @param[in] update_op The assignment operator used for updating the update value. + * @param[in] update_value The value which is updated at every iteration. + * @param[in] body The function that writes the body of the for-loop block. + */ + virtual void op_for_loop( + const TileOperand &var, BinaryOp cond_op, const TileOperand &cond_value, + const TileOperand &update_var, AssignmentOp update_op, const TileOperand &update_value, + const std::function<void()> &body) = 0; + + /** Write the return statement. */ + virtual void op_return() = 0; + + // ============================================================================================= // Misc // ============================================================================================= @@ -233,8 +279,39 @@ public: const TileOperand &dilation_x, const TileOperand &dilation_y) = 0; protected: + // ============================================================================================= + // ID space management + // ============================================================================================= + + /** Create the new unique ID space and return the value. + * + * This function changes the ID space to a new number which hasn't been used since the creation + * of this kernel writer object. + * + * @return The new ID space value. + */ + int32_t new_id_space(); + + /** Get the current ID space. */ int32_t id_space() const; + /** Set the current ID space. + * + * @param[in] value The ID space to be used. + */ + KernelWriter &id_space(int32_t value); + + /** Write the body code using the specified function. + * + * This function makes sure that a new ID space is created before and then is used solely + * by the specified body writing function. + * The ID space will not be reused after that. + * + * @param[in] body The function that writes the body code. + */ + void write_body(const std::function<void()> &body); + +protected: /** Generate full variable name by prefixing it with id space */ std::string generate_full_name(const std::string &name) const; @@ -258,6 +335,7 @@ protected: private: int32_t _id_space{ 0 }; + int32_t _last_created_id_space{ 0 }; }; } // namespace ckw |