zzy
4144f7841c
- 在argparse库中将所有null指针常量替换为nullptr - 更新头文件和源文件中的指针初始化和比较操作 - 修改测试文件中的相关断言检查 - 更新AST定义文件中的注释说明
293 lines
7.6 KiB
C
293 lines
7.6 KiB
C
#ifndef __SCC_IR_DEF_H__
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#define __SCC_IR_DEF_H__
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#include <scc_core.h>
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#define SCC_IR_REF_nullptr 0
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typedef unsigned int ir_handle_t;
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typedef const char *scc_ir_label_t;
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typedef SCC_VEC(u8) scc_ir_buffer_t;
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typedef struct scc_ir_value scc_ir_value_t;
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typedef ir_handle_t scc_ir_value_ref_t;
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typedef SCC_VEC(scc_ir_value_ref_t) scc_ir_node_ref_vec_t;
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typedef struct scc_ir_type scc_ir_type_t;
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typedef ir_handle_t scc_ir_type_ref_t;
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typedef SCC_VEC(scc_ir_type_ref_t) scc_ir_type_ref_vec_t;
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typedef struct scc_ir_bblock scc_ir_bblock_t;
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typedef ir_handle_t scc_ir_bblock_ref_t;
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typedef SCC_VEC(scc_ir_bblock_ref_t) scc_ir_bblock_ref_vec_t;
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typedef struct scc_ir_func scc_ir_func_t;
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typedef ir_handle_t scc_ir_func_ref_t;
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typedef SCC_VEC(scc_ir_func_ref_t) scc_ir_func_ref_vec_t;
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typedef enum scc_ir_type_tag {
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SCC_IR_TYPE_unknown,
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SCC_IR_TYPE_void,
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SCC_IR_TYPE_i8,
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SCC_IR_TYPE_i16,
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SCC_IR_TYPE_i32,
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SCC_IR_TYPE_i64,
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SCC_IR_TYPE_i128,
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SCC_IR_TYPE_u8,
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SCC_IR_TYPE_u16,
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SCC_IR_TYPE_u32,
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SCC_IR_TYPE_u64,
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SCC_IR_TYPE_u128,
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SCC_IR_TYPE_f16,
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SCC_IR_TYPE_f32,
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SCC_IR_TYPE_f64,
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SCC_IR_TYPE_f128,
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SCC_IR_TYPE_PTR,
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SCC_IR_TYPE_ARRAY,
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SCC_IR_TYPE_FUNC,
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SCC_IR_TYPE_STRUCT,
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SCC_IR_TYPE_UNION,
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SCC_IR_TYPE_VECTOR, // TODO SIMD
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} scc_ir_type_tag_t;
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struct scc_ir_type {
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scc_ir_type_tag_t tag;
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const char *name; // For Debug
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union {
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struct {
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scc_ir_type_ref_t base;
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usize len; // TODO usize is target dependent
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} array;
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struct {
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scc_ir_type_ref_t base;
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} pointer;
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struct {
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scc_ir_type_ref_vec_t elements;
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} aggregate;
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struct {
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scc_ir_type_ref_vec_t params;
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scc_ir_type_ref_t ret_type;
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} function;
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} data;
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};
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struct scc_ir_bblock {
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scc_ir_label_t label;
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scc_ir_node_ref_vec_t instrs;
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// ir_arr_t used_by;
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}; // basic block
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struct scc_ir_func {
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scc_ir_label_t name;
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scc_ir_type_ref_t type;
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scc_ir_node_ref_vec_t params;
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scc_ir_bblock_ref_vec_t bblocks;
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};
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typedef enum scc_ir_value_tag {
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SCC_IR_VALUE_TAG_NULLPTR,
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SCC_IR_VALUE_TAG_BUILTIN,
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SCC_IR_VALUE_TAG_CONST_INT,
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SCC_IR_VALUE_TAG_CONST_UINT,
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SCC_IR_VALUE_TAG_CONST_FLOAT,
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SCC_IR_VALUE_TAG_CONST_ARRAY,
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SCC_IR_VALUE_TAG_AGGREGATE, ///< 聚合值
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SCC_IR_VALUE_TAG_CONV, ///< 类型转换
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SCC_IR_VALUE_TAG_FUNC_ARG_REF, ///< 函数参数引用
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SCC_IR_VALUE_TAG_BLOCK_ARG_REF, ///< 基本块参数引用
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SCC_IR_VALUE_TAG_ALLOC, ///< 分配内存
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SCC_IR_VALUE_TAG_GLOBAL_ALLOC, ///< 全局分配
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SCC_IR_VALUE_TAG_LOAD, ///< 加载数据
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SCC_IR_VALUE_TAG_STORE, ///< 存储数据
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SCC_IR_VALUE_TAG_GET_PTR, ///< 获取指针
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SCC_IR_VALUE_TAG_GET_ELEM_PTR, ///< 获取元素指针
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SCC_IR_VALUE_TAG_OP, ///< 二元运算
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SCC_IR_VALUE_TAG_BRANCH, ///< 有条件分支
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SCC_IR_VALUE_TAG_JUMP, ///< 无条件跳转
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SCC_IR_VALUE_TAG_CALL, ///< 调用函数
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SCC_IR_VALUE_TAG_RET, ///< 函数返回
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} scc_ir_value_tag_t;
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typedef enum {
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/// Empty op for init or nop
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SCC_IR_OP_EMPTY,
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/// Not equal to.
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SCC_IR_OP_NEQ,
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/// Equal to.
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SCC_IR_OP_EQ,
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/// Greater than.
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SCC_IR_OP_GT,
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/// Less than.
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SCC_IR_OP_LT,
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/// Greater than or equal to.
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SCC_IR_OP_GE,
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/// Less than or equal to.
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SCC_IR_OP_LE,
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/// Addition.
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SCC_IR_OP_ADD,
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/// Subtraction.
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SCC_IR_OP_SUB,
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/// Multiplication.
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SCC_IR_OP_MUL,
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/// Division.
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SCC_IR_OP_DIV,
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/// Modulo.
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SCC_IR_OP_MOD,
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/// Bitwise AND.
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SCC_IR_OP_AND,
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/// Bitwise OR.
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SCC_IR_OP_OR,
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/// Bitwise XOR.
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SCC_IR_OP_XOR,
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/// Bitwise NOT.
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SCC_IR_OP_NOT,
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/// Shift left logical.
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SCC_IR_OP_SHL,
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/// Shift right logical.
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SCC_IR_OP_SHR,
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/// Shift right arithmetic.
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SCC_IR_OP_SAR,
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} scc_ir_op_type_t;
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typedef union {
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i8 int8;
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i16 int16;
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i32 int32;
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i64 int64;
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// TODO int128
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i8 int_any[16];
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} scc_ir_const_int_t;
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typedef union {
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u8 uint8;
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u16 uint16;
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u32 uint32;
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u64 uint64;
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// TODO uint128;
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u8 uint_any[16];
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} scc_ir_const_uint_t;
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typedef union {
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// f16 float16;
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f32 float32;
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f64 float64;
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// TODO float128;
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u8 float_any[16];
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} scc_ir_const_float_t;
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typedef enum {
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SCC_IR_BUILTIN_TAG_MEMCPY,
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SCC_IR_BUILTIN_TAG_MEMSET,
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SCC_IR_BUILTIN_TAG_VA_START,
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SCC_IR_BUILTIN_TAG_VA_ARG,
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SCC_IR_BUILTIN_TAG_VA_END,
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SCC_IR_BUILTIN_TAG_VA_COPY,
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} scc_ir_builtin_tag_t;
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typedef struct {
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scc_ir_builtin_tag_t tag;
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union {
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struct {
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scc_ir_value_ref_t dest;
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scc_ir_value_ref_t src;
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scc_ir_value_ref_t size;
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} memcpy;
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struct {
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scc_ir_value_ref_t dest;
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scc_ir_value_ref_t value;
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scc_ir_value_ref_t size;
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} memset;
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struct {
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scc_ir_value_ref_t ap; // va_list 的地址（i8* 或 struct*）
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scc_ir_value_ref_t last; // 最后一个固定参数的引用（用于 va_start）
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} va_start;
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struct {
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scc_ir_value_ref_t ap; // va_list 的地址
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scc_ir_type_ref_t type; // 要提取的参数的类型
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} va_arg;
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struct {
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scc_ir_value_ref_t ap; // va_list 的地址
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} va_end;
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struct {
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scc_ir_value_ref_t dest; // 目标 va_list 地址
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scc_ir_value_ref_t src; // 源 va_list 地址
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} va_copy;
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} func;
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} scc_ir_builtin_t;
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typedef enum {
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SCC_IR_LINKAGE_EXTERNAL,
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SCC_IR_LINKAGE_INTERNAL,
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SCC_IR_LINKAGE_PRIVATE,
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SCC_IR_LINKAGE_WEAK,
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} scc_ir_linkage_t;
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struct scc_ir_value {
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scc_ir_type_ref_t type;
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scc_ir_label_t name;
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scc_ir_node_ref_vec_t used_by;
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scc_ir_value_tag_t tag;
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union {
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scc_ir_builtin_t builtin;
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scc_ir_const_int_t const_int;
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scc_ir_const_uint_t const_uint;
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scc_ir_const_float_t const_float;
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struct {
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scc_ir_value_ref_t base_type;
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scc_ir_buffer_t elements;
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} const_array;
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struct {
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scc_ir_node_ref_vec_t elements;
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} aggregate;
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struct {
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usize idx;
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} arg_ref;
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struct {
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scc_ir_value_ref_t value;
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} global_alloc;
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struct {
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scc_ir_value_ref_t operand;
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scc_ir_type_ref_t target_type; // 目标类型
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enum { CONV_SEXT, CONV_ZEXT, CONV_TRUNC } conv_type;
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} conv;
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struct {
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scc_ir_value_ref_t target;
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} load;
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struct {
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scc_ir_value_ref_t target;
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scc_ir_value_ref_t value;
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} store;
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struct {
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scc_ir_value_ref_t src_addr;
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scc_ir_value_ref_t index;
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} get_ptr;
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struct {
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scc_ir_value_ref_t src_addr;
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scc_ir_value_ref_t index;
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} get_elem_ptr;
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struct {
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scc_ir_op_type_t op;
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scc_ir_value_ref_t lhs;
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scc_ir_value_ref_t rhs;
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} op;
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struct {
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scc_ir_value_ref_t cond;
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scc_ir_bblock_ref_t true_bblock;
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scc_ir_bblock_ref_t false_bblock;
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} branch;
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struct {
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scc_ir_bblock_ref_t target_bblock;
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} jump;
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struct {
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scc_ir_func_ref_t callee; // TODO function pointer call
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scc_ir_node_ref_vec_t args;
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} call;
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struct {
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scc_ir_value_ref_t ret_val;
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} ret;
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} data;
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};
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#endif /* __SCC_IR_DEF_H__ */
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