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Implement MCOPY (#18)

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Signed-off-by: xermicus <cyrill@parity.io>
This commit is contained in:
Cyrill Leutwiler
2024-05-29 21:43:22 +02:00
committed by GitHub
parent 2ea10d0c3e
commit 532721f3be
11 changed files with 81 additions and 122 deletions
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crates/llvm-context/src/polkavm/context/function/intrinsics.rs
-59
View File
@@ -2,7 +2,6 @@
use inkwell::types::BasicType;
use crate::polkavm::context::address_space::AddressSpace;
use crate::polkavm::context::function::declaration::Declaration as FunctionDeclaration;
/// The LLVM intrinsic functions, implemented in the LLVM back-end.
@@ -11,10 +10,6 @@ use crate::polkavm::context::function::declaration::Declaration as FunctionDecla
pub struct Intrinsics<'ctx> {
/// The trap.
pub trap: FunctionDeclaration<'ctx>,
/// The memory copy within the heap.
pub memory_copy: FunctionDeclaration<'ctx>,
/// The memory copy from a generic page.
pub memory_copy_from_generic: FunctionDeclaration<'ctx>,
/// Performs endianness swaps on i256 values
pub byte_swap_word: FunctionDeclaration<'ctx>,
/// Performs endianness swaps on i160 values
@@ -25,12 +20,6 @@ impl<'ctx> Intrinsics<'ctx> {
/// The corresponding intrinsic function name.
pub const FUNCTION_TRAP: &'static str = "llvm.trap";
/// The corresponding intrinsic function name.
pub const FUNCTION_MEMORY_COPY: &'static str = "llvm.memcpy.p1.p1.i256";
/// The corresponding intrinsic function name.
pub const FUNCTION_MEMORY_COPY_FROM_GENERIC: &'static str = "llvm.memcpy.p3.p1.i256";
/// The corresponding intrinsic function name.
pub const FUNCTION_BYTE_SWAP_WORD: &'static str = "llvm.bswap.i256";
@@ -43,12 +32,8 @@ impl<'ctx> Intrinsics<'ctx> {
module: &inkwell::module::Module<'ctx>,
) -> Self {
let void_type = llvm.void_type();
let bool_type = llvm.bool_type();
let word_type = llvm.custom_width_int_type(revive_common::BIT_LENGTH_WORD as u32);
let address_type = llvm.custom_width_int_type(revive_common::BIT_LENGTH_ETH_ADDRESS as u32);
let _stack_field_pointer_type = llvm.ptr_type(AddressSpace::Stack.into());
let heap_field_pointer_type = llvm.ptr_type(AddressSpace::Heap.into());
let generic_byte_pointer_type = llvm.ptr_type(AddressSpace::Generic.into());
let trap = Self::declare(
llvm,
@@ -56,34 +41,6 @@ impl<'ctx> Intrinsics<'ctx> {
Self::FUNCTION_TRAP,
void_type.fn_type(&[], false),
);
let memory_copy = Self::declare(
llvm,
module,
Self::FUNCTION_MEMORY_COPY,
void_type.fn_type(
&[
heap_field_pointer_type.as_basic_type_enum().into(),
heap_field_pointer_type.as_basic_type_enum().into(),
word_type.as_basic_type_enum().into(),
bool_type.as_basic_type_enum().into(),
],
false,
),
);
let memory_copy_from_generic = Self::declare(
llvm,
module,
Self::FUNCTION_MEMORY_COPY_FROM_GENERIC,
void_type.fn_type(
&[
heap_field_pointer_type.as_basic_type_enum().into(),
generic_byte_pointer_type.as_basic_type_enum().into(),
word_type.as_basic_type_enum().into(),
bool_type.as_basic_type_enum().into(),
],
false,
),
);
let byte_swap_word = Self::declare(
llvm,
module,
@@ -99,8 +56,6 @@ impl<'ctx> Intrinsics<'ctx> {
Self {
trap,
memory_copy,
memory_copy_from_generic,
byte_swap_word,
byte_swap_eth_address,
}
@@ -130,20 +85,6 @@ impl<'ctx> Intrinsics<'ctx> {
let word_type = llvm.custom_width_int_type(revive_common::BIT_LENGTH_WORD as u32);
match name {
name if name == Self::FUNCTION_MEMORY_COPY => vec![
llvm.ptr_type(AddressSpace::Heap.into())
.as_basic_type_enum(),
llvm.ptr_type(AddressSpace::Heap.into())
.as_basic_type_enum(),
word_type.as_basic_type_enum(),
],
name if name == Self::FUNCTION_MEMORY_COPY_FROM_GENERIC => vec![
llvm.ptr_type(AddressSpace::Heap.into())
.as_basic_type_enum(),
llvm.ptr_type(AddressSpace::Generic.into())
.as_basic_type_enum(),
word_type.as_basic_type_enum(),
],
name if name == Self::FUNCTION_BYTE_SWAP_WORD => vec![word_type.as_basic_type_enum()],
name if name == Self::FUNCTION_BYTE_SWAP_ETH_ADDRESS => {
vec![llvm