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[core] Add itemsize and strides to NDArray struct

This commit is contained in:
David Mak 2024-11-15 15:24:07 +08:00
parent a770d9f415
commit 684aafe54c
6 changed files with 506 additions and 224 deletions
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1
nac3artiq/src/codegen.rs
View File

@ -1370,6 +1370,7 @@ fn polymorphic_print<'ctx>(
let val = NDArrayValue::from_pointer_value(
value.into_pointer_value(),
llvm_elem_ty,
None,
llvm_usize,
None,
);

43
nac3core/src/codegen/builtin_fns.rs
View File

@ -74,6 +74,7 @@ pub fn call_len<'ctx, G: CodeGenerator + ?Sized>(
let arg = NDArrayValue::from_pointer_value(
arg.into_pointer_value(),
ctx.get_llvm_type(generator, elem_ty),
None,
llvm_usize,
None,
);
@ -153,7 +154,7 @@ pub fn call_int32<'ctx, G: CodeGenerator + ?Sized>(
ctx,
ctx.primitives.int32,
None,
NDArrayValue::from_pointer_value(n, llvm_elem_ty, llvm_usize, None),
NDArrayValue::from_pointer_value(n, llvm_elem_ty, None, llvm_usize, None),
|generator, ctx, val| call_int32(generator, ctx, (elem_ty, val)),
)?;
@ -216,7 +217,7 @@ pub fn call_int64<'ctx, G: CodeGenerator + ?Sized>(
ctx,
ctx.primitives.int64,
None,
NDArrayValue::from_pointer_value(n, llvm_elem_ty, llvm_usize, None),
NDArrayValue::from_pointer_value(n, llvm_elem_ty, None, llvm_usize, None),
|generator, ctx, val| call_int64(generator, ctx, (elem_ty, val)),
)?;
@ -295,7 +296,7 @@ pub fn call_uint32<'ctx, G: CodeGenerator + ?Sized>(
ctx,
ctx.primitives.uint32,
None,
NDArrayValue::from_pointer_value(n, llvm_elem_ty, llvm_usize, None),
NDArrayValue::from_pointer_value(n, llvm_elem_ty, None, llvm_usize, None),
|generator, ctx, val| call_uint32(generator, ctx, (elem_ty, val)),
)?;
@ -363,7 +364,7 @@ pub fn call_uint64<'ctx, G: CodeGenerator + ?Sized>(
ctx,
ctx.primitives.uint64,
None,
NDArrayValue::from_pointer_value(n, llvm_elem_ty, llvm_usize, None),
NDArrayValue::from_pointer_value(n, llvm_elem_ty, None, llvm_usize, None),
|generator, ctx, val| call_uint64(generator, ctx, (elem_ty, val)),
)?;
@ -430,7 +431,7 @@ pub fn call_float<'ctx, G: CodeGenerator + ?Sized>(
ctx,
ctx.primitives.float,
None,
NDArrayValue::from_pointer_value(n, llvm_elem_ty, llvm_usize, None),
NDArrayValue::from_pointer_value(n, llvm_elem_ty, None, llvm_usize, None),
|generator, ctx, val| call_float(generator, ctx, (elem_ty, val)),
)?;
@ -477,7 +478,7 @@ pub fn call_round<'ctx, G: CodeGenerator + ?Sized>(
ctx,
ret_elem_ty,
None,
NDArrayValue::from_pointer_value(n, llvm_elem_ty, llvm_usize, None),
NDArrayValue::from_pointer_value(n, llvm_elem_ty, None, llvm_usize, None),
|generator, ctx, val| call_round(generator, ctx, (elem_ty, val), ret_elem_ty),
)?;
@ -518,7 +519,7 @@ pub fn call_numpy_round<'ctx, G: CodeGenerator + ?Sized>(
ctx,
ctx.primitives.float,
None,
NDArrayValue::from_pointer_value(n, llvm_elem_ty, llvm_usize, None),
NDArrayValue::from_pointer_value(n, llvm_elem_ty, None, llvm_usize, None),
|generator, ctx, val| call_numpy_round(generator, ctx, (elem_ty, val)),
)?;
@ -584,7 +585,7 @@ pub fn call_bool<'ctx, G: CodeGenerator + ?Sized>(
ctx,
ctx.primitives.bool,
None,
NDArrayValue::from_pointer_value(n, llvm_elem_ty, llvm_usize, None),
NDArrayValue::from_pointer_value(n, llvm_elem_ty, None, llvm_usize, None),
|generator, ctx, val| {
let elem = call_bool(generator, ctx, (elem_ty, val))?;
@ -639,7 +640,7 @@ pub fn call_floor<'ctx, G: CodeGenerator + ?Sized>(
ctx,
ret_elem_ty,
None,
NDArrayValue::from_pointer_value(n, llvm_elem_ty, llvm_usize, None),
NDArrayValue::from_pointer_value(n, llvm_elem_ty, None, llvm_usize, None),
|generator, ctx, val| call_floor(generator, ctx, (elem_ty, val), ret_elem_ty),
)?;
@ -690,7 +691,7 @@ pub fn call_ceil<'ctx, G: CodeGenerator + ?Sized>(
ctx,
ret_elem_ty,
None,
NDArrayValue::from_pointer_value(n, llvm_elem_ty, llvm_usize, None),
NDArrayValue::from_pointer_value(n, llvm_elem_ty, None, llvm_usize, None),
|generator, ctx, val| call_ceil(generator, ctx, (elem_ty, val), ret_elem_ty),
)?;
@ -921,7 +922,7 @@ pub fn call_numpy_max_min<'ctx, G: CodeGenerator + ?Sized>(
let (elem_ty, _) = unpack_ndarray_var_tys(&mut ctx.unifier, a_ty);
let llvm_elem_ty = ctx.get_llvm_type(generator, elem_ty);
let n = NDArrayValue::from_pointer_value(n, llvm_elem_ty, llvm_usize, None);
let n = NDArrayValue::from_pointer_value(n, llvm_elem_ty, None, llvm_usize, None);
let n_sz = irrt::call_ndarray_calc_size(generator, ctx, &n.shape(), (None, None));
if ctx.registry.llvm_options.opt_level == OptimizationLevel::None {
let n_sz_eqz = ctx
@ -1135,7 +1136,7 @@ where
ctx,
ret_elem_ty,
None,
NDArrayValue::from_pointer_value(x, llvm_arg_elem_ty, llvm_usize, None),
NDArrayValue::from_pointer_value(x, llvm_arg_elem_ty, None, llvm_usize, None),
|generator, ctx, elem_val| {
helper_call_numpy_unary_elementwise(
generator,
@ -1974,7 +1975,7 @@ pub fn call_np_linalg_cholesky<'ctx, G: CodeGenerator + ?Sized>(
unsupported_type(ctx, FN_NAME, &[x1_ty]);
};
let n1 = NDArrayValue::from_pointer_value(n1, n1_elem_ty, llvm_usize, None);
let n1 = NDArrayValue::from_pointer_value(n1, n1_elem_ty, None, llvm_usize, None);
let dim0 = unsafe {
n1.shape()
.get_unchecked(ctx, generator, &llvm_usize.const_zero(), None)
@ -2016,7 +2017,7 @@ pub fn call_np_linalg_qr<'ctx, G: CodeGenerator + ?Sized>(
unimplemented!("{FN_NAME} operates on float type NdArrays only");
};
let n1 = NDArrayValue::from_pointer_value(n1, n1_elem_ty, llvm_usize, None);
let n1 = NDArrayValue::from_pointer_value(n1, n1_elem_ty, None, llvm_usize, None);
let dim0 = unsafe {
n1.shape()
.get_unchecked(ctx, generator, &llvm_usize.const_zero(), None)
@ -2066,7 +2067,7 @@ pub fn call_np_linalg_svd<'ctx, G: CodeGenerator + ?Sized>(
unsupported_type(ctx, FN_NAME, &[x1_ty]);
};
let n1 = NDArrayValue::from_pointer_value(n1, n1_elem_ty, llvm_usize, None);
let n1 = NDArrayValue::from_pointer_value(n1, n1_elem_ty, None, llvm_usize, None);
let dim0 = unsafe {
n1.shape()
@ -2121,7 +2122,7 @@ pub fn call_np_linalg_inv<'ctx, G: CodeGenerator + ?Sized>(
unsupported_type(ctx, FN_NAME, &[x1_ty]);
};
let n1 = NDArrayValue::from_pointer_value(n1, n1_elem_ty, llvm_usize, None);
let n1 = NDArrayValue::from_pointer_value(n1, n1_elem_ty, None, llvm_usize, None);
let dim0 = unsafe {
n1.shape()
.get_unchecked(ctx, generator, &llvm_usize.const_zero(), None)
@ -2163,7 +2164,7 @@ pub fn call_np_linalg_pinv<'ctx, G: CodeGenerator + ?Sized>(
unsupported_type(ctx, FN_NAME, &[x1_ty]);
};
let n1 = NDArrayValue::from_pointer_value(n1, n1_elem_ty, llvm_usize, None);
let n1 = NDArrayValue::from_pointer_value(n1, n1_elem_ty, None, llvm_usize, None);
let dim0 = unsafe {
n1.shape()
@ -2206,7 +2207,7 @@ pub fn call_sp_linalg_lu<'ctx, G: CodeGenerator + ?Sized>(
unsupported_type(ctx, FN_NAME, &[x1_ty]);
};
let n1 = NDArrayValue::from_pointer_value(n1, n1_elem_ty, llvm_usize, None);
let n1 = NDArrayValue::from_pointer_value(n1, n1_elem_ty, None, llvm_usize, None);
let dim0 = unsafe {
n1.shape()
@ -2259,7 +2260,7 @@ pub fn call_np_linalg_matrix_power<'ctx, G: CodeGenerator + ?Sized>(
unsupported_type(ctx, FN_NAME, &[x1_ty, x2_ty]);
};
let n1 = NDArrayValue::from_pointer_value(n1, n1_elem_ty, llvm_usize, None);
let n1 = NDArrayValue::from_pointer_value(n1, n1_elem_ty, None, llvm_usize, None);
// Changing second parameter to a `NDArray` for uniformity in function call
let n2_array = numpy::create_ndarray_const_shape(
generator,
@ -2354,7 +2355,7 @@ pub fn call_sp_linalg_schur<'ctx, G: CodeGenerator + ?Sized>(
unsupported_type(ctx, FN_NAME, &[x1_ty]);
};
let n1 = NDArrayValue::from_pointer_value(n1, n1_elem_ty, llvm_usize, None);
let n1 = NDArrayValue::from_pointer_value(n1, n1_elem_ty, None, llvm_usize, None);
let dim0 = unsafe {
n1.shape()
@ -2397,7 +2398,7 @@ pub fn call_sp_linalg_hessenberg<'ctx, G: CodeGenerator + ?Sized>(
unsupported_type(ctx, FN_NAME, &[x1_ty]);
};
let n1 = NDArrayValue::from_pointer_value(n1, n1_elem_ty, llvm_usize, None);
let n1 = NDArrayValue::from_pointer_value(n1, n1_elem_ty, None, llvm_usize, None);
let dim0 = unsafe {
n1.shape()

8
nac3core/src/codegen/expr.rs
View File

@ -1570,12 +1570,14 @@ pub fn gen_binop_expr_with_values<'ctx, G: CodeGenerator>(
let left_val = NDArrayValue::from_pointer_value(
left_val.into_pointer_value(),
llvm_ndarray_dtype1,
None,
llvm_usize,
None,
);
let right_val = NDArrayValue::from_pointer_value(
right_val.into_pointer_value(),
llvm_ndarray_dtype2,
None,
llvm_usize,
None,
);
@ -1631,6 +1633,7 @@ pub fn gen_binop_expr_with_values<'ctx, G: CodeGenerator>(
let ndarray_val = NDArrayValue::from_pointer_value(
if is_ndarray1 { left_val } else { right_val }.into_pointer_value(),
llvm_ndarray_dtype,
None,
llvm_usize,
None,
);
@ -1828,6 +1831,7 @@ pub fn gen_unaryop_expr_with_values<'ctx, G: CodeGenerator>(
let val = NDArrayValue::from_pointer_value(
val.into_pointer_value(),
llvm_ndarray_dtype,
None,
llvm_usize,
None,
);
@ -1926,6 +1930,7 @@ pub fn gen_cmpop_expr_with_values<'ctx, G: CodeGenerator>(
let left_val = NDArrayValue::from_pointer_value(
lhs.into_pointer_value(),
llvm_ndarray_dtype1,
None,
llvm_usize,
None,
);
@ -2799,6 +2804,7 @@ fn gen_ndarray_subscript_expr<'ctx, G: CodeGenerator>(
let ndarray = NDArrayValue::from_pointer_value(
subscripted_ndarray,
llvm_ndarray_data_t,
None,
llvm_usize,
None,
);
@ -3542,7 +3548,7 @@ pub fn gen_expr<'ctx, G: CodeGenerator>(
} else {
return Ok(None);
};
let v = NDArrayValue::from_pointer_value(v, llvm_ty, usize, None);
let v = NDArrayValue::from_pointer_value(v, llvm_ty, None, usize, None);
return gen_ndarray_subscript_expr(generator, ctx, *ty, *ndims, v, slice);
}

78
nac3core/src/codegen/numpy.rs
View File

@ -3,6 +3,7 @@ use inkwell::{
values::{BasicValue, BasicValueEnum, IntValue, PointerValue},
AddressSpace, IntPredicate, OptimizationLevel,
};
use itertools::Itertools;
use nac3parser::ast::{Operator, StrRef};
@ -27,7 +28,7 @@ use crate::{
symbol_resolver::ValueEnum,
toplevel::{
helper::{arraylike_flatten_element_type, PrimDef},
numpy::{make_ndarray_ty, unpack_ndarray_var_tys},
numpy::unpack_ndarray_var_tys,
DefinitionId,
},
typecheck::{
@ -43,19 +44,16 @@ fn create_ndarray_uninitialized<'ctx, G: CodeGenerator + ?Sized>(
elem_ty: Type,
) -> Result<NDArrayValue<'ctx>, String> {
let llvm_elem_ty = ctx.get_llvm_type(generator, elem_ty);
let ndarray_ty = make_ndarray_ty(&mut ctx.unifier, &ctx.primitives, Some(elem_ty), None);
let llvm_usize = generator.get_size_type(ctx.ctx);
let llvm_ndarray_t = ctx
.get_llvm_type(generator, ndarray_ty)
.into_pointer_type()
let llvm_ndarray_t = NDArrayType::new(generator, ctx.ctx, llvm_elem_ty)
.as_base_type()
.get_element_type()
.into_struct_type();
let ndarray = generator.gen_var_alloc(ctx, llvm_ndarray_t.into(), None)?;
Ok(NDArrayValue::from_pointer_value(ndarray, llvm_elem_ty, llvm_usize, None))
Ok(NDArrayValue::from_pointer_value(ndarray, llvm_elem_ty, None, llvm_usize, None))
}
/// Creates an `NDArray` instance from a dynamic shape.
@ -189,28 +187,10 @@ pub fn create_ndarray_const_shape<'ctx, G: CodeGenerator + ?Sized>(
// TODO: Disallow dim_sz > u32_MAX
}
let ndarray = create_ndarray_uninitialized(generator, ctx, elem_ty)?;
let num_dims = llvm_usize.const_int(shape.len() as u64, false);
ndarray.store_ndims(ctx, generator, num_dims);
let ndarray_num_dims = ndarray.load_ndims(ctx);
ndarray.create_shape(ctx, llvm_usize, ndarray_num_dims);
for (i, &shape_dim) in shape.iter().enumerate() {
let shape_dim = ctx.builder.build_int_z_extend(shape_dim, llvm_usize, "").unwrap();
let ndarray_dim = unsafe {
ndarray.shape().ptr_offset_unchecked(
ctx,
generator,
&llvm_usize.const_int(i as u64, true),
None,
)
};
ctx.builder.build_store(ndarray_dim, shape_dim).unwrap();
}
let llvm_dtype = ctx.get_llvm_type(generator, elem_ty);
let ndarray = NDArrayType::new(generator, ctx.ctx, llvm_dtype)
.construct_dyn_shape(generator, ctx, shape, None);
let ndarray = ndarray_init_data(generator, ctx, elem_ty, ndarray);
Ok(ndarray)
@ -338,20 +318,24 @@ fn call_ndarray_empty_impl<'ctx, G: CodeGenerator + ?Sized>(
// Get the length/size of the tuple, which also happens to be the value of `ndims`.
let ndims = shape_tuple.get_type().count_fields();
let mut shape = Vec::with_capacity(ndims as usize);
for dim_i in 0..ndims {
let dim = ctx
.builder
let shape = (0..ndims)
.map(|dim_i| {
ctx.builder
.build_extract_value(shape_tuple, dim_i, format!("dim{dim_i}").as_str())
.map(BasicValueEnum::into_int_value)
.map(|v| {
ctx.builder.build_int_z_extend_or_bit_cast(v, llvm_usize, "").unwrap()
})
.unwrap()
.into_int_value();
})
.collect_vec();
shape.push(dim);
}
create_ndarray_const_shape(generator, ctx, elem_ty, shape.as_slice())
}
BasicValueEnum::IntValue(shape_int) => {
// 3. A scalar int; e.g., `np.empty(3)`, this is functionally equivalent to `np.empty([3])`
let shape_int =
ctx.builder.build_int_z_extend_or_bit_cast(shape_int, llvm_usize, "").unwrap();
create_ndarray_const_shape(generator, ctx, elem_ty, &[shape_int])
}
@ -505,6 +489,7 @@ where
let lhs_val = NDArrayValue::from_pointer_value(
lhs_val.into_pointer_value(),
llvm_lhs_elem_ty,
None,
llvm_usize,
None,
);
@ -517,6 +502,7 @@ where
let rhs_val = NDArrayValue::from_pointer_value(
rhs_val.into_pointer_value(),
llvm_rhs_elem_ty,
None,
llvm_usize,
None,
);
@ -532,6 +518,7 @@ where
let lhs = NDArrayValue::from_pointer_value(
lhs_val.into_pointer_value(),
llvm_lhs_elem_ty,
None,
llvm_usize,
None,
);
@ -548,6 +535,7 @@ where
let rhs = NDArrayValue::from_pointer_value(
rhs_val.into_pointer_value(),
llvm_rhs_elem_ty,
None,
llvm_usize,
None,
);
@ -706,7 +694,8 @@ fn llvm_arraylike_get_ndims<'ctx, G: CodeGenerator + ?Sized>(
{
let dtype = arraylike_flatten_element_type(&mut ctx.unifier, ty);
let llvm_elem_ty = ctx.get_llvm_type(generator, dtype);
NDArrayValue::from_pointer_value(v, llvm_elem_ty, llvm_usize, None).load_ndims(ctx)
NDArrayValue::from_pointer_value(v, llvm_elem_ty, None, llvm_usize, None)
.load_ndims(ctx)
}
BasicValueEnum::PointerValue(v) if ListValue::is_representable(v, llvm_usize).is_ok() => {
@ -856,7 +845,7 @@ fn call_ndarray_array_impl<'ctx, G: CodeGenerator + ?Sized>(
// object is an NDArray instance - copy object unless copy=0 && ndmin < object.ndims
if NDArrayValue::is_representable(object, llvm_usize).is_ok() {
let llvm_elem_ty = ctx.get_llvm_type(generator, elem_ty);
let object = NDArrayValue::from_pointer_value(object, llvm_elem_ty, llvm_usize, None);
let object = NDArrayValue::from_pointer_value(object, llvm_elem_ty, None, llvm_usize, None);
let ndarray = gen_if_else_expr_callback(
generator,
@ -932,6 +921,7 @@ fn call_ndarray_array_impl<'ctx, G: CodeGenerator + ?Sized>(
return Ok(NDArrayValue::from_pointer_value(
ndarray.map(BasicValueEnum::into_pointer_value).unwrap(),
llvm_elem_ty,
None,
llvm_usize,
None,
));
@ -1465,6 +1455,7 @@ where
let lhs_val = NDArrayValue::from_pointer_value(
lhs_val.into_pointer_value(),
llvm_lhs_elem_ty,
None,
llvm_usize,
None,
);
@ -1473,6 +1464,7 @@ where
let rhs_val = NDArrayValue::from_pointer_value(
rhs_val.into_pointer_value(),
llvm_rhs_elem_ty,
None,
llvm_usize,
None,
);
@ -1499,6 +1491,7 @@ where
let ndarray = NDArrayValue::from_pointer_value(
if lhs_scalar { rhs_val } else { lhs_val }.into_pointer_value(),
llvm_elem_ty,
None,
llvm_usize,
None,
);
@ -2061,6 +2054,7 @@ pub fn gen_ndarray_copy<'ctx>(
NDArrayValue::from_pointer_value(
this_arg.into_pointer_value(),
llvm_elem_ty,
None,
llvm_usize,
None,
),
@ -2098,7 +2092,7 @@ pub fn gen_ndarray_fill<'ctx>(
ndarray_fill_flattened(
generator,
context,
NDArrayValue::from_pointer_value(this_arg, llvm_elem_ty, llvm_usize, None),
NDArrayValue::from_pointer_value(this_arg, llvm_elem_ty, None, llvm_usize, None),
|generator, ctx, _| {
let value = if value_arg.is_pointer_value() {
let llvm_i1 = ctx.ctx.bool_type();
@ -2140,7 +2134,7 @@ pub fn ndarray_transpose<'ctx, G: CodeGenerator + ?Sized>(
if let BasicValueEnum::PointerValue(n1) = x1 {
let (elem_ty, _) = unpack_ndarray_var_tys(&mut ctx.unifier, x1_ty);
let llvm_elem_ty = ctx.get_llvm_type(generator, elem_ty);
let n1 = NDArrayValue::from_pointer_value(n1, llvm_elem_ty, llvm_usize, None);
let n1 = NDArrayValue::from_pointer_value(n1, llvm_elem_ty, None, llvm_usize, None);
let n_sz = call_ndarray_calc_size(generator, ctx, &n1.shape(), (None, None));
// Dimensions are reversed in the transposed array
@ -2260,7 +2254,7 @@ pub fn ndarray_reshape<'ctx, G: CodeGenerator + ?Sized>(
if let BasicValueEnum::PointerValue(n1) = x1 {
let (elem_ty, _) = unpack_ndarray_var_tys(&mut ctx.unifier, x1_ty);
let llvm_elem_ty = ctx.get_llvm_type(generator, elem_ty);
let n1 = NDArrayValue::from_pointer_value(n1, llvm_elem_ty, llvm_usize, None);
let n1 = NDArrayValue::from_pointer_value(n1, llvm_elem_ty, None, llvm_usize, None);
let n_sz = call_ndarray_calc_size(generator, ctx, &n1.shape(), (None, None));
let acc = generator.gen_var_alloc(ctx, llvm_usize.into(), None)?;
@ -2548,8 +2542,8 @@ pub fn ndarray_dot<'ctx, G: CodeGenerator + ?Sized>(
let llvm_n1_data_ty = ctx.get_llvm_type(generator, n1_dtype);
let llvm_n2_data_ty = ctx.get_llvm_type(generator, n2_dtype);
let n1 = NDArrayValue::from_pointer_value(n1, llvm_n1_data_ty, llvm_usize, None);
let n2 = NDArrayValue::from_pointer_value(n2, llvm_n2_data_ty, llvm_usize, None);
let n1 = NDArrayValue::from_pointer_value(n1, llvm_n1_data_ty, None, llvm_usize, None);
let n2 = NDArrayValue::from_pointer_value(n2, llvm_n2_data_ty, None, llvm_usize, None);
let n1_sz = call_ndarray_calc_size(generator, ctx, &n1.shape(), (None, None));
let n2_sz = call_ndarray_calc_size(generator, ctx, &n1.shape(), (None, None));

240
nac3core/src/codegen/types/ndarray.rs
View File

@ -1,6 +1,6 @@
use inkwell::context::ContextRef;
use inkwell::{
context::{AsContextRef, Context},
context::{AsContextRef, Context, ContextRef},
types::{AnyTypeEnum, BasicType, BasicTypeEnum, IntType, PointerType},
values::{IntValue, PointerValue},
AddressSpace,
@ -11,9 +11,13 @@ use super::{
structure::{FieldIndexCounter, StructField, StructFields},
ProxyType,
};
use crate::codegen::{
values::{ArraySliceValue, NDArrayValue, ProxyValue},
use crate::{
codegen::{
values::{ArraySliceValue, NDArrayValue, ProxyValue, TypedArrayLikeMutator},
{CodeGenContext, CodeGenerator},
},
toplevel::{helper::extract_ndims, numpy::unpack_ndarray_var_tys},
typecheck::typedef::Type,
};
/// Proxy type for a `ndarray` type in LLVM.
@ -21,13 +25,17 @@ use crate::codegen::{
pub struct NDArrayType<'ctx> {
ty: PointerType<'ctx>,
dtype: BasicTypeEnum<'ctx>,
// TODO(Derppening): Make this non-optional
ndims: Option<u64>,
llvm_usize: IntType<'ctx>,
}
#[derive(PartialEq, Eq, Clone, Copy)]
pub struct NDArrayStructFields<'ctx> {
pub itemsize: StructField<'ctx, IntValue<'ctx>>,
pub ndims: StructField<'ctx, IntValue<'ctx>>,
pub shape: StructField<'ctx, PointerValue<'ctx>>,
pub strides: StructField<'ctx, PointerValue<'ctx>>,
pub data: StructField<'ctx, PointerValue<'ctx>>,
}
@ -37,12 +45,18 @@ impl<'ctx> StructFields<'ctx> for NDArrayStructFields<'ctx> {
let mut counter = FieldIndexCounter::default();
NDArrayStructFields {
itemsize: StructField::create(&mut counter, "itemsize", llvm_usize),
ndims: StructField::create(&mut counter, "ndims", llvm_usize),
shape: StructField::create(
&mut counter,
"shape",
llvm_usize.ptr_type(AddressSpace::default()),
),
strides: StructField::create(
&mut counter,
"strides",
llvm_usize.ptr_type(AddressSpace::default()),
),
data: StructField::create(
&mut counter,
"data",
@ -52,7 +66,13 @@ impl<'ctx> StructFields<'ctx> for NDArrayStructFields<'ctx> {
}
fn to_vec(&self) -> Vec<(&'static str, BasicTypeEnum<'ctx>)> {
vec![self.ndims.into(), self.shape.into(), self.data.into()]
vec![
self.itemsize.into(),
self.ndims.into(),
self.shape.into(),
self.strides.into(),
self.data.into(),
]
}
}
@ -62,70 +82,45 @@ impl<'ctx> NDArrayType<'ctx> {
llvm_ty: PointerType<'ctx>,
llvm_usize: IntType<'ctx>,
) -> Result<(), String> {
let ctx = llvm_ty.get_context();
let llvm_expected_ty = Self::fields(ctx, llvm_usize).into_vec();
let llvm_ndarray_ty = llvm_ty.get_element_type();
let AnyTypeEnum::StructType(llvm_ndarray_ty) = llvm_ndarray_ty else {
return Err(format!("Expected struct type for `NDArray` type, got {llvm_ndarray_ty}"));
};
if llvm_ndarray_ty.count_fields() != 3 {
if llvm_ndarray_ty.count_fields() != u32::try_from(llvm_expected_ty.len()).unwrap() {
return Err(format!(
"Expected 3 fields in `NDArray`, got {}",
"Expected {} fields in `NDArray`, got {}",
llvm_expected_ty.len(),
llvm_ndarray_ty.count_fields()
));
}
let ndarray_ndims_ty = llvm_ndarray_ty.get_field_type_at_index(0).unwrap();
let Ok(ndarray_ndims_ty) = IntType::try_from(ndarray_ndims_ty) else {
return Err(format!("Expected int type for `ndarray.0`, got {ndarray_ndims_ty}"));
};
if ndarray_ndims_ty.get_bit_width() != llvm_usize.get_bit_width() {
return Err(format!(
"Expected {}-bit int type for `ndarray.0`, got {}-bit int",
llvm_usize.get_bit_width(),
ndarray_ndims_ty.get_bit_width()
));
}
let ndarray_dims_ty = llvm_ndarray_ty.get_field_type_at_index(1).unwrap();
let Ok(ndarray_pdims) = PointerType::try_from(ndarray_dims_ty) else {
return Err(format!("Expected pointer type for `ndarray.1`, got {ndarray_dims_ty}"));
};
let ndarray_dims = ndarray_pdims.get_element_type();
let Ok(ndarray_dims) = IntType::try_from(ndarray_dims) else {
return Err(format!(
"Expected pointer-to-int type for `ndarray.1`, got pointer-to-{ndarray_dims}"
));
};
if ndarray_dims.get_bit_width() != llvm_usize.get_bit_width() {
return Err(format!(
"Expected pointer-to-{}-bit int type for `ndarray.1`, got pointer-to-{}-bit int",
llvm_usize.get_bit_width(),
ndarray_dims.get_bit_width()
));
}
let ndarray_data_ty = llvm_ndarray_ty.get_field_type_at_index(2).unwrap();
let Ok(ndarray_pdata) = PointerType::try_from(ndarray_data_ty) else {
return Err(format!("Expected pointer type for `ndarray.2`, got {ndarray_data_ty}"));
};
let ndarray_data = ndarray_pdata.get_element_type();
let Ok(ndarray_data) = IntType::try_from(ndarray_data) else {
return Err(format!(
"Expected pointer-to-int type for `ndarray.2`, got pointer-to-{ndarray_data}"
));
};
if ndarray_data.get_bit_width() != 8 {
return Err(format!(
"Expected pointer-to-8-bit int type for `ndarray.1`, got pointer-to-{}-bit int",
ndarray_data.get_bit_width()
));
llvm_expected_ty
.iter()
.enumerate()
.map(|(i, expected_ty)| {
(expected_ty.1, llvm_ndarray_ty.get_field_type_at_index(i as u32).unwrap())
})
.try_for_each(|(expected_ty, actual_ty)| {
if expected_ty == actual_ty {
Ok(())
} else {
Err(format!("Expected {expected_ty} for `ndarray.data`, got {actual_ty}"))
}
})?;
Ok(())
}
// TODO: Move this into e.g. StructProxyType
#[must_use]
fn fields(ctx: &'ctx Context, llvm_usize: IntType<'ctx>) -> NDArrayStructFields<'ctx> {
fn fields(
ctx: impl AsContextRef<'ctx>,
llvm_usize: IntType<'ctx>,
) -> NDArrayStructFields<'ctx> {
NDArrayStructFields::new(ctx, llvm_usize)
}
@ -133,7 +128,7 @@ impl<'ctx> NDArrayType<'ctx> {
#[must_use]
pub fn get_fields(
&self,
ctx: &'ctx Context,
ctx: impl AsContextRef<'ctx>,
llvm_usize: IntType<'ctx>,
) -> NDArrayStructFields<'ctx> {
Self::fields(ctx, llvm_usize)
@ -142,7 +137,7 @@ impl<'ctx> NDArrayType<'ctx> {
/// Creates an LLVM type corresponding to the expected structure of an `NDArray`.
#[must_use]
fn llvm_type(ctx: &'ctx Context, llvm_usize: IntType<'ctx>) -> PointerType<'ctx> {
// struct NDArray { num_dims: size_t, dims: size_t*, data: i8* }
// struct NDArray { data: i8*, itemsize: size_t, ndims: size_t, shape: size_t*, strides: size_t* }
//
// * data : Pointer to an array containing the array data
// * itemsize: The size of each NDArray elements in bytes
@ -165,7 +160,28 @@ impl<'ctx> NDArrayType<'ctx> {
let llvm_usize = generator.get_size_type(ctx);
let llvm_ndarray = Self::llvm_type(ctx, llvm_usize);
NDArrayType { ty: llvm_ndarray, dtype, llvm_usize }
NDArrayType { ty: llvm_ndarray, dtype, ndims: None, llvm_usize }
}
/// Creates an [`NDArrayType`] from a [unifier type][Type].
#[must_use]
pub fn from_unifier_type<G: CodeGenerator + ?Sized>(
generator: &G,
ctx: &mut CodeGenContext<'ctx, '_>,
ty: Type,
) -> Self {
let (dtype, ndims) = unpack_ndarray_var_tys(&mut ctx.unifier, ty);
let ndims = extract_ndims(&ctx.unifier, ndims);
let llvm_dtype = ctx.get_llvm_type(generator, dtype);
let llvm_usize = generator.get_size_type(ctx.ctx);
NDArrayType {
ty: Self::llvm_type(ctx.ctx, llvm_usize),
dtype: llvm_dtype,
ndims: Some(ndims),
llvm_usize,
}
}
/// Creates an [`NDArrayType`] from a [`PointerType`] representing an `NDArray`.
@ -177,7 +193,7 @@ impl<'ctx> NDArrayType<'ctx> {
) -> Self {
debug_assert!(Self::is_representable(ptr_ty, llvm_usize).is_ok());
NDArrayType { ty: ptr_ty, dtype, llvm_usize }
NDArrayType { ty: ptr_ty, dtype, ndims: None, llvm_usize }
}
/// Returns the type of the `size` field of this `ndarray` type.
@ -186,7 +202,7 @@ impl<'ctx> NDArrayType<'ctx> {
self.as_base_type()
.get_element_type()
.into_struct_type()
.get_field_type_at_index(0)
.get_field_type_at_index(1)
.map(BasicTypeEnum::into_int_type)
.unwrap()
}
@ -196,6 +212,114 @@ impl<'ctx> NDArrayType<'ctx> {
pub fn element_type(&self) -> BasicTypeEnum<'ctx> {
self.dtype
}
/// Returns the number of dimensions represented by this [`NDArrayType`], or [`None`] if it is
/// not known.
#[must_use]
pub fn ndims_as_value(&self) -> Option<IntValue<'ctx>> {
self.ndims.map(|ndims| self.llvm_usize.const_int(ndims, false))
}
/// Allocate an ndarray on the stack given its `ndims` and `dtype`.
///
/// `shape` and `strides` will be automatically allocated onto the stack.
///
/// The returned ndarray's content will be:
/// - `data`: uninitialized.
/// - `itemsize`: set to the `sizeof()` of `dtype`.
/// - `ndims`: set to the value of `ndims`.
/// - `shape`: allocated with an array of length `ndims` with uninitialized values.
/// - `strides`: allocated with an array of length `ndims` with uninitialized values.
#[must_use]
pub fn construct_uninitialized<G: CodeGenerator + ?Sized>(
&self,
generator: &mut G,
ctx: &mut CodeGenContext<'ctx, '_>,
ndims: Option<u64>,
name: Option<&'ctx str>,
) -> <Self as ProxyType<'ctx>>::Value {
let ndarray = self.new_value(generator, ctx, name);
let itemsize = ctx
.builder
.build_int_z_extend_or_bit_cast(self.dtype.size_of().unwrap(), self.llvm_usize, "")
.unwrap();
ndarray.store_itemsize(ctx, generator, itemsize);
let ndims_val = self.llvm_usize.const_int(ndims.or(self.ndims).unwrap(), false);
ndarray.store_ndims(ctx, generator, ndims_val);
ndarray.create_shape(ctx, self.llvm_usize, ndims_val);
ndarray.create_strides(ctx, self.llvm_usize, ndims_val);
ndarray
}
/// Convenience function. Allocate an [`NDArrayObject`] with a statically known shape.
///
/// The returned [`NDArrayObject`]'s `data` and `strides` are uninitialized.
#[must_use]
pub fn construct_const_shape<G: CodeGenerator + ?Sized>(
&self,
generator: &mut G,
ctx: &mut CodeGenContext<'ctx, '_>,
shape: &[u64],
name: Option<&'ctx str>,
) -> <Self as ProxyType<'ctx>>::Value {
let ndarray = self.construct_uninitialized(generator, ctx, Some(shape.len() as u64), name);
// Write shape
let ndarray_shape = ndarray.shape();
for (i, dim) in shape.iter().enumerate() {
let dim = self.llvm_usize.const_int(*dim, false);
unsafe {
ndarray_shape.set_typed_unchecked(
ctx,
generator,
&self.llvm_usize.const_int(i as u64, false),
dim,
);
}
}
ndarray
}
/// Convenience function. Allocate an [`NDArrayObject`] with a dynamically known shape.
///
/// The returned [`NDArrayObject`]'s `data` and `strides` are uninitialized.
#[must_use]
pub fn construct_dyn_shape<G: CodeGenerator + ?Sized>(
&self,
generator: &mut G,
ctx: &mut CodeGenContext<'ctx, '_>,
shape: &[IntValue<'ctx>],
name: Option<&'ctx str>,
) -> <Self as ProxyType<'ctx>>::Value {
let ndarray = self.construct_uninitialized(generator, ctx, Some(shape.len() as u64), name);
// Write shape
let ndarray_shape = ndarray.shape();
for (i, dim) in shape.iter().enumerate() {
assert_eq!(
dim.get_type(),
self.llvm_usize,
"Expected {} but got {}",
self.llvm_usize.print_to_string(),
dim.get_type().print_to_string()
);
unsafe {
ndarray_shape.set_typed_unchecked(
ctx,
generator,
&self.llvm_usize.const_int(i as u64, false),
*dim,
);
}
}
ndarray
}
}
impl<'ctx> ProxyType<'ctx> for NDArrayType<'ctx> {
@ -264,7 +388,7 @@ impl<'ctx> ProxyType<'ctx> for NDArrayType<'ctx> {
) -> Self::Value {
debug_assert_eq!(value.get_type(), self.as_base_type());
NDArrayValue::from_pointer_value(value, self.dtype, self.llvm_usize, name)
NDArrayValue::from_pointer_value(value, self.dtype, self.ndims, self.llvm_usize, name)
}
fn as_base_type(&self) -> Self::Base {

352
nac3core/src/codegen/values/ndarray.rs
View File

@ -21,6 +21,7 @@ use crate::codegen::{
pub struct NDArrayValue<'ctx> {
value: PointerValue<'ctx>,
dtype: BasicTypeEnum<'ctx>,
ndims: Option<u64>,
llvm_usize: IntType<'ctx>,
name: Option<&'ctx str>,
}
@ -40,12 +41,13 @@ impl<'ctx> NDArrayValue<'ctx> {
pub fn from_pointer_value(
ptr: PointerValue<'ctx>,
dtype: BasicTypeEnum<'ctx>,
ndims: Option<u64>,
llvm_usize: IntType<'ctx>,
name: Option<&'ctx str>,
) -> Self {
debug_assert!(Self::is_representable(ptr, llvm_usize).is_ok());
NDArrayValue { value: ptr, dtype, llvm_usize, name }
NDArrayValue { value: ptr, dtype, ndims, llvm_usize, name }
}
/// Returns the pointer to the field storing the number of dimensions of this `NDArray`.
@ -75,6 +77,33 @@ impl<'ctx> NDArrayValue<'ctx> {
ctx.builder.build_load(pndims, "").map(BasicValueEnum::into_int_value).unwrap()
}
/// Returns the pointer to the field storing the size of each element of this `NDArray`.
fn ptr_to_itemsize(&self, ctx: &CodeGenContext<'ctx, '_>) -> PointerValue<'ctx> {
self.get_type()
.get_fields(ctx.ctx, self.llvm_usize)
.itemsize
.ptr_by_gep(ctx, self.value, self.name)
}
/// Stores the size of each element `itemsize` into this instance.
pub fn store_itemsize<G: CodeGenerator + ?Sized>(
&self,
ctx: &CodeGenContext<'ctx, '_>,
generator: &G,
ndims: IntValue<'ctx>,
) {
debug_assert_eq!(ndims.get_type(), generator.get_size_type(ctx.ctx));
let pndims = self.ptr_to_ndims(ctx);
ctx.builder.build_store(pndims, ndims).unwrap();
}
/// Returns the size of each element of this `NDArray` as a value.
pub fn load_itemsize(&self, ctx: &CodeGenContext<'ctx, '_>) -> IntValue<'ctx> {
let pndims = self.ptr_to_ndims(ctx);
ctx.builder.build_load(pndims, "").map(BasicValueEnum::into_int_value).unwrap()
}
/// Returns the double-indirection pointer to the `shape` array, as if by calling
/// `getelementptr` on the field.
fn ptr_to_shape(&self, ctx: &CodeGenContext<'ctx, '_>) -> PointerValue<'ctx> {
@ -105,6 +134,36 @@ impl<'ctx> NDArrayValue<'ctx> {
NDArrayShapeProxy(self)
}
/// Returns the double-indirection pointer to the `stride` array, as if by calling
/// `getelementptr` on the field.
fn ptr_to_strides(&self, ctx: &CodeGenContext<'ctx, '_>) -> PointerValue<'ctx> {
self.get_type()
.get_fields(ctx.ctx, self.llvm_usize)
.strides
.ptr_by_gep(ctx, self.value, self.name)
}
/// Stores the array of dimension sizes `dims` into this instance.
fn store_strides(&self, ctx: &CodeGenContext<'ctx, '_>, dims: PointerValue<'ctx>) {
ctx.builder.build_store(self.ptr_to_shape(ctx), dims).unwrap();
}
/// Convenience method for creating a new array storing the stride with the given `size`.
pub fn create_strides(
&self,
ctx: &CodeGenContext<'ctx, '_>,
llvm_usize: IntType<'ctx>,
size: IntValue<'ctx>,
) {
self.store_shape(ctx, ctx.builder.build_array_alloca(llvm_usize, size, "").unwrap());
}
/// Returns a proxy object to the field storing the stride of each dimension of this `NDArray`.
#[must_use]
pub fn strides(&self) -> NDArrayStridesProxy<'ctx, '_> {
NDArrayStridesProxy(self)
}
/// Returns the double-indirection pointer to the `data` array, as if by calling `getelementptr`
/// on the field.
pub fn ptr_to_data(&self, ctx: &CodeGenContext<'ctx, '_>) -> PointerValue<'ctx> {
@ -168,103 +227,6 @@ impl<'ctx> From<NDArrayValue<'ctx>> for PointerValue<'ctx> {
}
}
/// Proxy type for accessing the `dims` array of an `NDArray` instance in LLVM.
#[derive(Copy, Clone)]
pub struct NDArrayShapeProxy<'ctx, 'a>(&'a NDArrayValue<'ctx>);
impl<'ctx> ArrayLikeValue<'ctx> for NDArrayShapeProxy<'ctx, '_> {
fn element_type<G: CodeGenerator + ?Sized>(
&self,
ctx: &CodeGenContext<'ctx, '_>,
generator: &G,
) -> AnyTypeEnum<'ctx> {
self.0.shape().base_ptr(ctx, generator).get_type().get_element_type()
}
fn base_ptr<G: CodeGenerator + ?Sized>(
&self,
ctx: &CodeGenContext<'ctx, '_>,
_: &G,
) -> PointerValue<'ctx> {
let var_name = self.0.name.map(|v| format!("{v}.data")).unwrap_or_default();
ctx.builder
.build_load(self.0.ptr_to_shape(ctx), var_name.as_str())
.map(BasicValueEnum::into_pointer_value)
.unwrap()
}
fn size<G: CodeGenerator + ?Sized>(
&self,
ctx: &CodeGenContext<'ctx, '_>,
_: &G,
) -> IntValue<'ctx> {
self.0.load_ndims(ctx)
}
}
impl<'ctx> ArrayLikeIndexer<'ctx, IntValue<'ctx>> for NDArrayShapeProxy<'ctx, '_> {
unsafe fn ptr_offset_unchecked<G: CodeGenerator + ?Sized>(
&self,
ctx: &mut CodeGenContext<'ctx, '_>,
generator: &mut G,
idx: &IntValue<'ctx>,
name: Option<&str>,
) -> PointerValue<'ctx> {
let var_name = name.map(|v| format!("{v}.addr")).unwrap_or_default();
unsafe {
ctx.builder
.build_in_bounds_gep(self.base_ptr(ctx, generator), &[*idx], var_name.as_str())
.unwrap()
}
}
fn ptr_offset<G: CodeGenerator + ?Sized>(
&self,
ctx: &mut CodeGenContext<'ctx, '_>,
generator: &mut G,
idx: &IntValue<'ctx>,
name: Option<&str>,
) -> PointerValue<'ctx> {
let size = self.size(ctx, generator);
let in_range = ctx.builder.build_int_compare(IntPredicate::ULT, *idx, size, "").unwrap();
ctx.make_assert(
generator,
in_range,
"0:IndexError",
"index {0} is out of bounds for axis 0 with size {1}",
[Some(*idx), Some(self.0.load_ndims(ctx)), None],
ctx.current_loc,
);
unsafe { self.ptr_offset_unchecked(ctx, generator, idx, name) }
}
}
impl<'ctx> UntypedArrayLikeAccessor<'ctx, IntValue<'ctx>> for NDArrayShapeProxy<'ctx, '_> {}
impl<'ctx> UntypedArrayLikeMutator<'ctx, IntValue<'ctx>> for NDArrayShapeProxy<'ctx, '_> {}
impl<'ctx> TypedArrayLikeAccessor<'ctx, IntValue<'ctx>> for NDArrayShapeProxy<'ctx, '_> {
fn downcast_to_type(
&self,
_: &mut CodeGenContext<'ctx, '_>,
value: BasicValueEnum<'ctx>,
) -> IntValue<'ctx> {
value.into_int_value()
}
}
impl<'ctx> TypedArrayLikeMutator<'ctx, IntValue<'ctx>> for NDArrayShapeProxy<'ctx, '_> {
fn upcast_from_type(
&self,
_: &mut CodeGenContext<'ctx, '_>,
value: IntValue<'ctx>,
) -> BasicValueEnum<'ctx> {
value.into()
}
}
/// Proxy type for accessing the `data` array of an `NDArray` instance in LLVM.
#[derive(Copy, Clone)]
pub struct NDArrayDataProxy<'ctx, 'a>(&'a NDArrayValue<'ctx>);
@ -515,3 +477,197 @@ impl<'ctx, Index: UntypedArrayLikeAccessor<'ctx>> UntypedArrayLikeMutator<'ctx,
for NDArrayDataProxy<'ctx, '_>
{
}
/// Proxy type for accessing the `dims` array of an `NDArray` instance in LLVM.
#[derive(Copy, Clone)]
pub struct NDArrayShapeProxy<'ctx, 'a>(&'a NDArrayValue<'ctx>);
impl<'ctx> ArrayLikeValue<'ctx> for NDArrayShapeProxy<'ctx, '_> {
fn element_type<G: CodeGenerator + ?Sized>(
&self,
ctx: &CodeGenContext<'ctx, '_>,
generator: &G,
) -> AnyTypeEnum<'ctx> {
self.0.shape().base_ptr(ctx, generator).get_type().get_element_type()
}
fn base_ptr<G: CodeGenerator + ?Sized>(
&self,
ctx: &CodeGenContext<'ctx, '_>,
_: &G,
) -> PointerValue<'ctx> {
let var_name = self.0.name.map(|v| format!("{v}.data")).unwrap_or_default();
ctx.builder
.build_load(self.0.ptr_to_shape(ctx), var_name.as_str())
.map(BasicValueEnum::into_pointer_value)
.unwrap()
}
fn size<G: CodeGenerator + ?Sized>(
&self,
ctx: &CodeGenContext<'ctx, '_>,
_: &G,
) -> IntValue<'ctx> {
self.0.load_ndims(ctx)
}
}
impl<'ctx> ArrayLikeIndexer<'ctx, IntValue<'ctx>> for NDArrayShapeProxy<'ctx, '_> {
unsafe fn ptr_offset_unchecked<G: CodeGenerator + ?Sized>(
&self,
ctx: &mut CodeGenContext<'ctx, '_>,
generator: &mut G,
idx: &IntValue<'ctx>,
name: Option<&str>,
) -> PointerValue<'ctx> {
let var_name = name.map(|v| format!("{v}.addr")).unwrap_or_default();
unsafe {
ctx.builder
.build_in_bounds_gep(self.base_ptr(ctx, generator), &[*idx], var_name.as_str())
.unwrap()
}
}
fn ptr_offset<G: CodeGenerator + ?Sized>(
&self,
ctx: &mut CodeGenContext<'ctx, '_>,
generator: &mut G,
idx: &IntValue<'ctx>,
name: Option<&str>,
) -> PointerValue<'ctx> {
let size = self.size(ctx, generator);
let in_range = ctx.builder.build_int_compare(IntPredicate::ULT, *idx, size, "").unwrap();
ctx.make_assert(
generator,
in_range,
"0:IndexError",
"index {0} is out of bounds for axis 0 with size {1}",
[Some(*idx), Some(self.0.load_ndims(ctx)), None],
ctx.current_loc,
);
unsafe { self.ptr_offset_unchecked(ctx, generator, idx, name) }
}
}
impl<'ctx> UntypedArrayLikeAccessor<'ctx, IntValue<'ctx>> for NDArrayShapeProxy<'ctx, '_> {}
impl<'ctx> UntypedArrayLikeMutator<'ctx, IntValue<'ctx>> for NDArrayShapeProxy<'ctx, '_> {}
impl<'ctx> TypedArrayLikeAccessor<'ctx, IntValue<'ctx>> for NDArrayShapeProxy<'ctx, '_> {
fn downcast_to_type(
&self,
_: &mut CodeGenContext<'ctx, '_>,
value: BasicValueEnum<'ctx>,
) -> IntValue<'ctx> {
value.into_int_value()
}
}
impl<'ctx> TypedArrayLikeMutator<'ctx, IntValue<'ctx>> for NDArrayShapeProxy<'ctx, '_> {
fn upcast_from_type(
&self,
_: &mut CodeGenContext<'ctx, '_>,
value: IntValue<'ctx>,
) -> BasicValueEnum<'ctx> {
value.into()
}
}
/// Proxy type for accessing the `dims` array of an `NDArray` instance in LLVM.
#[derive(Copy, Clone)]
pub struct NDArrayStridesProxy<'ctx, 'a>(&'a NDArrayValue<'ctx>);
impl<'ctx> ArrayLikeValue<'ctx> for NDArrayStridesProxy<'ctx, '_> {
fn element_type<G: CodeGenerator + ?Sized>(
&self,
ctx: &CodeGenContext<'ctx, '_>,
generator: &G,
) -> AnyTypeEnum<'ctx> {
self.0.shape().base_ptr(ctx, generator).get_type().get_element_type()
}
fn base_ptr<G: CodeGenerator + ?Sized>(
&self,
ctx: &CodeGenContext<'ctx, '_>,
_: &G,
) -> PointerValue<'ctx> {
let var_name = self.0.name.map(|v| format!("{v}.data")).unwrap_or_default();
ctx.builder
.build_load(self.0.ptr_to_shape(ctx), var_name.as_str())
.map(BasicValueEnum::into_pointer_value)
.unwrap()
}
fn size<G: CodeGenerator + ?Sized>(
&self,
ctx: &CodeGenContext<'ctx, '_>,
_: &G,
) -> IntValue<'ctx> {
self.0.load_ndims(ctx)
}
}
impl<'ctx> ArrayLikeIndexer<'ctx, IntValue<'ctx>> for NDArrayStridesProxy<'ctx, '_> {
unsafe fn ptr_offset_unchecked<G: CodeGenerator + ?Sized>(
&self,
ctx: &mut CodeGenContext<'ctx, '_>,
generator: &mut G,
idx: &IntValue<'ctx>,
name: Option<&str>,
) -> PointerValue<'ctx> {
let var_name = name.map(|v| format!("{v}.addr")).unwrap_or_default();
unsafe {
ctx.builder
.build_in_bounds_gep(self.base_ptr(ctx, generator), &[*idx], var_name.as_str())
.unwrap()
}
}
fn ptr_offset<G: CodeGenerator + ?Sized>(
&self,
ctx: &mut CodeGenContext<'ctx, '_>,
generator: &mut G,
idx: &IntValue<'ctx>,
name: Option<&str>,
) -> PointerValue<'ctx> {
let size = self.size(ctx, generator);
let in_range = ctx.builder.build_int_compare(IntPredicate::ULT, *idx, size, "").unwrap();
ctx.make_assert(
generator,
in_range,
"0:IndexError",
"index {0} is out of bounds for axis 0 with size {1}",
[Some(*idx), Some(self.0.load_ndims(ctx)), None],
ctx.current_loc,
);
unsafe { self.ptr_offset_unchecked(ctx, generator, idx, name) }
}
}
impl<'ctx> UntypedArrayLikeAccessor<'ctx, IntValue<'ctx>> for NDArrayStridesProxy<'ctx, '_> {}
impl<'ctx> UntypedArrayLikeMutator<'ctx, IntValue<'ctx>> for NDArrayStridesProxy<'ctx, '_> {}
impl<'ctx> TypedArrayLikeAccessor<'ctx, IntValue<'ctx>> for NDArrayStridesProxy<'ctx, '_> {
fn downcast_to_type(
&self,
_: &mut CodeGenContext<'ctx, '_>,
value: BasicValueEnum<'ctx>,
) -> IntValue<'ctx> {
value.into_int_value()
}
}
impl<'ctx> TypedArrayLikeMutator<'ctx, IntValue<'ctx>> for NDArrayStridesProxy<'ctx, '_> {
fn upcast_from_type(
&self,
_: &mut CodeGenContext<'ctx, '_>,
value: IntValue<'ctx>,
) -> BasicValueEnum<'ctx> {
value.into()
}
}