Files
triton/lib/ir/type.cc
2021-07-27 12:38:49 -07:00

233 lines
7.2 KiB
C++

#include <cassert>
#include "triton/ir/type.h"
#include "triton/ir/context.h"
#include "triton/ir/context_impl.h"
#include "triton/ir/value.h"
#include "triton/ir/constant.h"
namespace triton{
namespace ir{
//===----------------------------------------------------------------------===//
// type class
//===----------------------------------------------------------------------===//
// attributes
type *type::get_scalar_ty() const {
if(is_block_ty())
return get_tile_element_ty();
return const_cast<type*>(this);
}
unsigned type::get_primitive_size_in_bits() const {
switch (id_) {
case FP8TyID: return 8;
case HalfTyID: return 16;
case FloatTyID: return 32;
case DoubleTyID: return 64;
case X86_FP80TyID: return 80;
case FP128TyID: return 128;
case PPC_FP128TyID: return 128;
case IntegerTyID: return ((integer_type*)(this))->get_bitwidth();
case BlockTyID: return ((block_type*)(this))->get_bitwidth();
default: return 0;
}
}
unsigned type::get_integer_bitwidth() const
{ assert(id_ == IntegerTyID); return ((integer_type*)(this))->get_bitwidth(); }
unsigned type::get_tile_bitwidth() const
{ return ((block_type*)(this))->get_bitwidth(); }
unsigned type::get_fp_mantissa_width() const {
id_t id = get_scalar_ty()->id_;
assert(is_floating_point_ty() && "Not a floating point type!");
if (id == FP8TyID) return 3;
if (id == HalfTyID) return 10;
if (id == FloatTyID) return 23;
if (id == DoubleTyID) return 53;
throw std::runtime_error("unreachable");
}
type* type::get_tile_element_ty() const {
assert(is_block_ty());
return contained_tys_[0];
}
unsigned type::get_pointer_address_space() const {
assert(is_pointer_ty());
return ((pointer_type*)this)->get_address_space();
}
type * type::get_pointer_element_ty() const {
type *ptr_ty = get_scalar_ty();
assert(ptr_ty->is_pointer_ty());
type *scalar_ty = ((pointer_type*)ptr_ty)->get_element_ty();
if(is_block_ty())
return block_type::get_same_shapes(scalar_ty, (type*)this);
return scalar_ty;
}
type::block_shapes_t type::get_block_shapes() const {
assert(is_block_ty());
return ((block_type*)this)->get_shapes();
}
const size_t type::get_tile_rank() const {
return get_block_shapes().size();
}
const size_t type::get_tile_ranks1() const {
int ret = 0;
for(int s: get_block_shapes())
ret += s > 1;
return ret;
}
unsigned type::get_tile_num_elements() const {
const block_shapes_t& shapes = get_block_shapes();
unsigned result = 1;
for(auto shape: shapes)
result *= shape;
return result;
}
// composite predicates
bool type::is_int_or_tileint_ty()
{ return get_scalar_ty()->is_integer_ty(); }
bool type::is_integer_ty(unsigned width) const
{ return is_integer_ty() && get_integer_bitwidth()== width; }
bool type::is_floating_point_ty() const
{ return is_fp8_ty() || is_half_ty() || is_float_ty() || is_double_ty(); }
bool type::is_sized() const {
// primitive types are sized
if(is_integer_ty() || is_floating_point_ty() ||
is_pointer_ty()){
return true;
}
// tile types are sizes
if(is_block_ty())
return get_scalar_ty()->is_sized();
return false;
}
// primitive types
type *type::get_void_ty(context &ctx) { return &ctx.p_impl->void_ty; }
type *type::get_label_ty(context &ctx) { return &ctx.p_impl->label_ty; }
// floating point
type *type::get_fp8_ty(context &ctx) { return &ctx.p_impl->fp8_ty; }
type *type::get_half_ty(context &ctx) { return &ctx.p_impl->half_ty; }
type *type::get_float_ty(context &ctx) { return &ctx.p_impl->float_ty; }
type *type::get_double_ty(context &ctx) { return &ctx.p_impl->double_ty; }
// integer types
integer_type *type::get_int1_ty(context &ctx) { return &ctx.p_impl->int1_ty; }
integer_type *type::get_int8_ty(context &ctx) { return &ctx.p_impl->int8_ty; }
integer_type *type::get_int16_ty(context &ctx) { return &ctx.p_impl->int16_ty; }
integer_type *type::get_int32_ty(context &ctx) { return &ctx.p_impl->int32_ty; }
integer_type *type::get_int64_ty(context &ctx) { return &ctx.p_impl->int64_ty; }
integer_type *type::get_int128_ty(context &ctx) { return &ctx.p_impl->int128_ty; }
pointer_type::pointer_type(type *ty, unsigned address_space)
: type(ty->get_context(), PointerTyID), address_space_(address_space){
contained_tys_.push_back(ty);
}
bool pointer_type::is_valid_elt_ty(type *ty){
return !ty->is_void_ty() && !ty->is_label_ty() &&
!ty->is_metadata_ty() && !ty->is_token_ty();
}
pointer_type* pointer_type::get(type *elt_ty, unsigned address_space){
assert(elt_ty && "Can't get a pointer to <null> type!");
assert(is_valid_elt_ty(elt_ty) && "Invalid type for pointer element!");
// look-up
context_impl *impl = elt_ty->get_context().p_impl.get();
pointer_type *&entry = impl->ptr_tys[std::make_pair(elt_ty, address_space)];
if(!entry)
entry = new pointer_type(elt_ty, address_space);
return entry;
}
//===----------------------------------------------------------------------===//
// composite_type class
//===----------------------------------------------------------------------===//
type* composite_type::get_type_at_index(value *) const{
assert(is_block_ty());
return get_scalar_ty();
}
bool composite_type::index_valid(value *idx) const{
assert(is_block_ty());
return idx->get_type()->is_int_or_tileint_ty();
}
//===----------------------------------------------------------------------===//
// tile_type class
//===----------------------------------------------------------------------===//
block_type::block_type(type *ty, const block_shapes_t &shapes)
: composite_type(ty->get_context(), BlockTyID), shapes_(shapes) {
contained_tys_.push_back(ty);
}
bool block_type::is_valid_elt_ty(type *ty) {
return ty->is_pointer_ty() || ty->is_floating_point_ty() || ty->is_integer_ty();
}
unsigned block_type::get_num_elements() const {
unsigned res = 1;
for(auto shape: shapes_)
res *= shape;
return res;
}
unsigned block_type::get_bitwidth() const {
return get_num_elements() * get_tile_element_ty()->get_primitive_size_in_bits();
}
block_type* block_type::get(type *elt_ty, const block_shapes_t &shapes) {
assert(elt_ty && "Can't get a tile of <null> type!");
assert(shapes.size() && "Can't create a tile with empty shapes!");
assert(is_valid_elt_ty(elt_ty) && "Invalid type for tile element!");
// look-up
context_impl *impl = elt_ty->get_context().p_impl.get();
block_type *&entry = impl->block_tys[std::make_pair(elt_ty, shapes)];
if(!entry)
entry = new block_type(elt_ty, shapes);
return entry;
}
block_type* block_type::get_same_shapes(type *ty, type *ref){
assert(ref->is_block_ty());
return get(ty, ref->get_block_shapes());
}
//===----------------------------------------------------------------------===//
// function_type class
//===----------------------------------------------------------------------===//
function_type::function_type(type *ret_ty, const std::vector<type*> &param_tys):
type(ret_ty->get_context(), FunctionTyID) {
contained_tys_.push_back(ret_ty);
for(type *ty: param_tys)
contained_tys_.push_back(ty);
}
function_type* function_type::get(type *ret_ty, const std::vector<type *> &param_tys) {
return new function_type(ret_ty, param_tys);
}
}
}