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use llvm_sys::core::{LLVMConstVector, LLVMGetVectorSize};
use llvm_sys::prelude::{LLVMTypeRef, LLVMValueRef};
use crate::AddressSpace;
use crate::context::ContextRef;
use crate::support::LLVMString;
use crate::types::enums::BasicMetadataTypeEnum;
use crate::types::{ArrayType, BasicTypeEnum, FunctionType, PointerType, Type, traits::AsTypeRef};
use crate::values::{ArrayValue, BasicValue, IntValue, VectorValue};
use std::fmt::{self, Display};
/// A `VectorType` is the type of a multiple value SIMD constant or variable.
#[derive(Debug, PartialEq, Eq, Clone, Copy)]
pub struct VectorType<'ctx> {
vec_type: Type<'ctx>,
}
impl<'ctx> VectorType<'ctx> {
/// Create `VectorType` from [`LLVMTypeRef`]
///
/// # Safety
/// Undefined behavior, if referenced type isn't vector type
pub unsafe fn new(vector_type: LLVMTypeRef) -> Self {
unsafe {
assert!(!vector_type.is_null());
VectorType {
vec_type: Type::new(vector_type),
}
}
}
// TODO: impl only for VectorType<!StructType<Opaque>>
// REVIEW: What about Opaque struct hiding in deeper levels
// like VectorType<ArrayType<StructType<Opaque>>>?
/// Gets the size of this `VectorType`. Value may vary depending on the target architecture.
///
/// # Example
///
/// ```no_run
/// use inkwell::context::Context;
///
/// let context = Context::create();
/// let f32_type = context.f32_type();
/// let f32_vec_type = f32_type.vec_type(3);
/// let f32_vec_type_size = f32_vec_type.size_of();
/// ```
pub fn size_of(self) -> Option<IntValue<'ctx>> {
self.vec_type.size_of()
}
/// Gets the size of this `VectorType`.
///
/// # Example
///
/// ```no_run
/// use inkwell::context::Context;
///
/// let context = Context::create();
/// let f32_type = context.f32_type();
/// let f32_vector_type = f32_type.vec_type(3);
///
/// assert_eq!(f32_vector_type.get_size(), 3);
/// assert_eq!(f32_vector_type.get_element_type().into_float_type(), f32_type);
/// ```
pub fn get_size(self) -> u32 {
unsafe { LLVMGetVectorSize(self.as_type_ref()) }
}
// REVIEW:
// TypeSafety v2 (GH Issue #8) could help here by constraining
// sub-types to be the same across the board. For now, we could
// have V just be the set of Int & Float and any others that
// are valid for Vectors
// REVIEW: Maybe we could make this use &self if the vector size
// is stored as a const and the input values took a const size?
// Something like: values: &[&V; self.size]. Doesn't sound possible though
/// Creates a constant `VectorValue`.
///
/// # Example
/// ```no_run
/// use inkwell::context::Context;
/// use inkwell::types::VectorType;
///
/// let context = Context::create();
/// let f32_type = context.f32_type();
/// let f32_val = f32_type.const_float(0.);
/// let f32_val2 = f32_type.const_float(2.);
/// let f32_vec_val = VectorType::const_vector(&[f32_val, f32_val2]);
///
/// assert!(f32_vec_val.is_constant_vector());
/// ```
pub fn const_vector<V: BasicValue<'ctx>>(values: &[V]) -> VectorValue<'ctx> {
let mut values: Vec<LLVMValueRef> = values.iter().map(|val| val.as_value_ref()).collect();
unsafe { VectorValue::new(LLVMConstVector(values.as_mut_ptr(), values.len() as u32)) }
}
/// Creates a constant zero value of this `VectorType`.
///
/// # Example
///
/// ```no_run
/// use inkwell::context::Context;
///
/// let context = Context::create();
/// let f32_type = context.f32_type();
/// let f32_vec_type = f32_type.vec_type(7);
/// let f32_vec_zero = f32_vec_type.const_zero();
/// ```
pub fn const_zero(self) -> VectorValue<'ctx> {
unsafe { VectorValue::new(self.vec_type.const_zero()) }
}
/// Print the definition of a `VectorType` to `LLVMString`.
pub fn print_to_string(self) -> LLVMString {
self.vec_type.print_to_string()
}
/// Creates an undefined instance of a `VectorType`.
///
/// # Example
/// ```no_run
/// use inkwell::context::Context;
/// use inkwell::AddressSpace;
///
/// let context = Context::create();
/// let f32_type = context.f32_type();
/// let f32_vec_type = f32_type.vec_type(3);
/// let f32_vec_undef = f32_vec_type.get_undef();
///
/// assert!(f32_vec_undef.is_undef());
/// ```
pub fn get_undef(self) -> VectorValue<'ctx> {
unsafe { VectorValue::new(self.vec_type.get_undef()) }
}
/// Creates a poison instance of a `VectorType`.
///
/// # Example
/// ```no_run
/// use inkwell::context::Context;
/// use inkwell::AddressSpace;
///
/// let context = Context::create();
/// let f32_type = context.f32_type();
/// let f32_vec_type = f32_type.vec_type(3);
/// let f32_vec_poison = f32_vec_type.get_undef();
///
/// assert!(f32_vec_poison.is_undef());
/// ```
#[llvm_versions(12..)]
pub fn get_poison(self) -> VectorValue<'ctx> {
unsafe { VectorValue::new(self.vec_type.get_poison()) }
}
// SubType: VectorType<BT> -> BT?
/// Gets the element type of this `VectorType`.
///
/// # Example
///
/// ```no_run
/// use inkwell::context::Context;
///
/// let context = Context::create();
/// let f32_type = context.f32_type();
/// let f32_vector_type = f32_type.vec_type(3);
///
/// assert_eq!(f32_vector_type.get_size(), 3);
/// assert_eq!(f32_vector_type.get_element_type().into_float_type(), f32_type);
/// ```
pub fn get_element_type(self) -> BasicTypeEnum<'ctx> {
self.vec_type.get_element_type().as_basic_type_enum()
}
/// Creates a `PointerType` with this `VectorType` for its element type.
///
/// # Example
///
/// ```no_run
/// use inkwell::context::Context;
/// use inkwell::AddressSpace;
///
/// let context = Context::create();
/// let f32_type = context.f32_type();
/// let f32_vec_type = f32_type.vec_type(3);
/// let f32_vec_ptr_type = f32_vec_type.ptr_type(AddressSpace::default());
///
/// #[cfg(feature = "typed-pointers")]
/// assert_eq!(f32_vec_ptr_type.get_element_type().into_vector_type(), f32_vec_type);
/// ```
#[cfg_attr(
any(
all(feature = "llvm15-0", not(feature = "typed-pointers")),
all(feature = "llvm16-0", not(feature = "typed-pointers")),
feature = "llvm17-0",
feature = "llvm18-1",
feature = "llvm19-1",
feature = "llvm20-1",
feature = "llvm21-1",
feature = "llvm22-1",
),
deprecated(
note = "Starting from version 15.0, LLVM doesn't differentiate between pointer types. Use Context::ptr_type instead."
)
)]
pub fn ptr_type(self, address_space: AddressSpace) -> PointerType<'ctx> {
self.vec_type.ptr_type(address_space)
}
/// Creates a `FunctionType` with this `VectorType` for its return type.
///
/// # Example
///
/// ```no_run
/// use inkwell::context::Context;
///
/// let context = Context::create();
/// let f32_type = context.f32_type();
/// let f32_vec_type = f32_type.vec_type(3);
/// let fn_type = f32_vec_type.fn_type(&[], false);
/// ```
pub fn fn_type(self, param_types: &[BasicMetadataTypeEnum<'ctx>], is_var_args: bool) -> FunctionType<'ctx> {
self.vec_type.fn_type(param_types, is_var_args)
}
/// Creates an `ArrayType` with this `VectorType` for its element type.
///
/// # Example
///
/// ```no_run
/// use inkwell::context::Context;
///
/// let context = Context::create();
/// let f32_type = context.f32_type();
/// let f32_vec_type = f32_type.vec_type(3);
/// let f32_vec_array_type = f32_vec_type.array_type(3);
///
/// assert_eq!(f32_vec_array_type.len(), 3);
/// assert_eq!(f32_vec_array_type.get_element_type().into_vector_type(), f32_vec_type);
/// ```
pub fn array_type(self, size: u32) -> ArrayType<'ctx> {
self.vec_type.array_type(size)
}
/// Creates a constant `ArrayValue`.
///
/// # Example
/// ```no_run
/// use inkwell::context::Context;
/// use inkwell::types::VectorType;
///
/// let context = Context::create();
/// let f32_type = context.f32_type();
/// let f32_val = f32_type.const_float(0.);
/// let f32_val2 = f32_type.const_float(2.);
/// let f32_vec_type = f32_type.vec_type(2);
/// let f32_vec_val = VectorType::const_vector(&[f32_val, f32_val2]);
/// let f32_array = f32_vec_type.const_array(&[f32_vec_val, f32_vec_val]);
///
/// assert!(f32_array.is_const());
/// ```
pub fn const_array(self, values: &[VectorValue<'ctx>]) -> ArrayValue<'ctx> {
unsafe { ArrayValue::new_const_array(&self, values) }
}
/// Gets a reference to the `Context` this `VectorType` was created in.
///
/// # Example
///
/// ```no_run
/// use inkwell::context::Context;
///
/// let context = Context::create();
/// let f32_type = context.f32_type();
/// let f32_vec_type = f32_type.vec_type(7);
///
/// assert_eq!(f32_vec_type.get_context(), context);
/// ```
pub fn get_context(self) -> ContextRef<'ctx> {
self.vec_type.get_context()
}
}
unsafe impl AsTypeRef for VectorType<'_> {
fn as_type_ref(&self) -> LLVMTypeRef {
self.vec_type.ty
}
}
impl Display for VectorType<'_> {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{}", self.print_to_string())
}
}