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Joëlle van Essen 2025-04-08 22:46:15 +07:00 committed by GitHub
commit 33fd4523d9
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GPG key ID: B5690EEEBB952194
15 changed files with 482 additions and 39 deletions

60
Cargo.lock generated
View file

@ -104,18 +104,18 @@ checksum = "b048fb63fd8b5923fc5aa7b340d8e156aec7ec02f0c78fa8a6ddc2613f6f71de"
[[package]]
name = "bpaf"
version = "0.9.15"
version = "0.9.19"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "50fd5174866dc2fa2ddc96e8fb800852d37f064f32a45c7b7c2f8fa2c64c77fa"
checksum = "4848ed5727d39a7573551c205bcb1ccd88c8cad4ed2c80f62e2316f208196b8d"
dependencies = [
"bpaf_derive",
]
[[package]]
name = "bpaf_derive"
version = "0.5.13"
version = "0.5.17"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cf95d9c7e6aba67f8fc07761091e93254677f4db9e27197adecebc7039a58722"
checksum = "fefb4feeec9a091705938922f26081aad77c64cd2e76cd1c4a9ece8e42e1618a"
dependencies = [
"proc-macro2",
"quote",
@ -157,7 +157,7 @@ dependencies = [
"semver",
"serde",
"serde_json",
"thiserror 2.0.11",
"thiserror 2.0.12",
]
[[package]]
@ -211,6 +211,19 @@ dependencies = [
"amd_comgr-sys",
]
[[package]]
name = "compiler"
version = "0.0.0"
dependencies = [
"amd_comgr-sys",
"bpaf",
"comgr",
"hip_runtime-sys",
"ptx",
"ptx_parser",
"thiserror 2.0.12",
]
[[package]]
name = "convert_case"
version = "0.6.0"
@ -807,8 +820,8 @@ dependencies = [
"ptx_parser",
"quick-error",
"rustc-hash 2.0.0",
"strum",
"strum_macros",
"strum 0.26.3",
"strum_macros 0.26.4",
"tempfile",
"thiserror 1.0.64",
"unwrap_or",
@ -823,6 +836,7 @@ dependencies = [
"logos",
"ptx_parser_macros",
"rustc-hash 2.0.0",
"strum 0.27.1",
"thiserror 1.0.64",
"winnow",
]
@ -1034,6 +1048,15 @@ version = "0.26.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8fec0f0aef304996cf250b31b5a10dee7980c85da9d759361292b8bca5a18f06"
[[package]]
name = "strum"
version = "0.27.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f64def088c51c9510a8579e3c5d67c65349dcf755e5479ad3d010aa6454e2c32"
dependencies = [
"strum_macros 0.27.1",
]
[[package]]
name = "strum_macros"
version = "0.26.4"
@ -1047,6 +1070,19 @@ dependencies = [
"syn 2.0.89",
]
[[package]]
name = "strum_macros"
version = "0.27.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c77a8c5abcaf0f9ce05d62342b7d298c346515365c36b673df4ebe3ced01fde8"
dependencies = [
"heck",
"proc-macro2",
"quote",
"rustversion",
"syn 2.0.89",
]
[[package]]
name = "syn"
version = "1.0.109"
@ -1093,11 +1129,11 @@ dependencies = [
[[package]]
name = "thiserror"
version = "2.0.11"
version = "2.0.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d452f284b73e6d76dd36758a0c8684b1d5be31f92b89d07fd5822175732206fc"
checksum = "567b8a2dae586314f7be2a752ec7474332959c6460e02bde30d702a66d488708"
dependencies = [
"thiserror-impl 2.0.11",
"thiserror-impl 2.0.12",
]
[[package]]
@ -1113,9 +1149,9 @@ dependencies = [
[[package]]
name = "thiserror-impl"
version = "2.0.11"
version = "2.0.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "26afc1baea8a989337eeb52b6e72a039780ce45c3edfcc9c5b9d112feeb173c2"
checksum = "7f7cf42b4507d8ea322120659672cf1b9dbb93f8f2d4ecfd6e51350ff5b17a1d"
dependencies = [
"proc-macro2",
"quote",

View file

@ -20,9 +20,10 @@ members = [
"ptx_parser_macros_impl",
"xtask",
"zluda_bindgen",
"compiler",
]
default-members = ["zluda", "zluda_ml", "zluda_inject", "zluda_redirect"]
default-members = ["zluda", "zluda_ml", "zluda_inject", "zluda_redirect", "compiler"]
[profile.release-lto]
inherits = "release"

View file

@ -1,7 +1,7 @@
[package]
name = "comgr"
version = "0.0.0"
authors = ["Andrzej Janik <vosen@vosen.pl>"]
authors = ["Andrzej Janik <vosen@vosen.pl>", "Joëlle van Essen <joelle@v-essen.nl>"]
edition = "2021"
[lib]

View file

@ -1,5 +1,7 @@
use amd_comgr_sys::*;
use std::{ffi::CStr, mem, ptr};
use std::ffi::CStr;
use std::mem;
use std::ptr;
struct Data(amd_comgr_data_t);
@ -108,11 +110,7 @@ impl Drop for ActionInfo {
}
}
pub fn compile_bitcode(
gcn_arch: &CStr,
main_buffer: &[u8],
ptx_impl: &[u8],
) -> Result<Vec<u8>, amd_comgr_status_s> {
fn link_bitcode(main_buffer: &[u8], ptx_impl: &[u8]) -> Result<DataSet, amd_comgr_status_s> {
use amd_comgr_sys::*;
let bitcode_data_set = DataSet::new()?;
let main_bitcode_data = Data::new(
@ -128,11 +126,19 @@ pub fn compile_bitcode(
)?;
bitcode_data_set.add(&stdlib_bitcode_data)?;
let linking_info = ActionInfo::new()?;
let linked_data_set = do_action(
do_action(
&bitcode_data_set,
&linking_info,
amd_comgr_action_kind_t::AMD_COMGR_ACTION_LINK_BC_TO_BC,
)?;
)
}
fn compile_bitcode(
linked_data_set: &DataSet,
gcn_arch: &CStr,
) -> Result<DataSet, amd_comgr_status_s> {
use amd_comgr_sys::*;
let compile_to_exec = ActionInfo::new()?;
compile_to_exec.set_isa_name(gcn_arch)?;
compile_to_exec.set_language(amd_comgr_language_t::AMD_COMGR_LANGUAGE_LLVM_IR)?;
@ -165,16 +171,69 @@ pub fn compile_bitcode(
]
};
compile_to_exec.set_options(common_options.chain(opt_options))?;
let exec_data_set = do_action(
do_action(
&linked_data_set,
&compile_to_exec,
amd_comgr_action_kind_t::AMD_COMGR_ACTION_COMPILE_SOURCE_TO_EXECUTABLE,
)?;
)
}
fn disassemble_exec(
exec_data_set: &DataSet,
gcn_arch: &CStr,
) -> Result<DataSet, amd_comgr_status_s> {
let action_info = ActionInfo::new()?;
action_info.set_isa_name(gcn_arch)?;
do_action(
&exec_data_set,
&action_info,
amd_comgr_action_kind_t::AMD_COMGR_ACTION_DISASSEMBLE_EXECUTABLE_TO_SOURCE,
)
}
pub fn get_linked_bitcode_as_bytes(
main_buffer: &[u8],
ptx_impl: &[u8],
) -> Result<Vec<u8>, amd_comgr_status_s> {
let linked_data_set = link_bitcode(main_buffer, ptx_impl)?;
let linked_bitcode =
linked_data_set.get_data(amd_comgr_data_kind_t::AMD_COMGR_DATA_KIND_BC, 0)?;
linked_bitcode.copy_content()
}
fn get_executable(
gcn_arch: &CStr,
main_buffer: &[u8],
ptx_impl: &[u8],
) -> Result<DataSet, amd_comgr_status_s> {
let linked_data_set = link_bitcode(main_buffer, ptx_impl)?;
let exec_data_set = compile_bitcode(&linked_data_set, gcn_arch)?;
Ok(exec_data_set)
}
pub fn get_executable_as_bytes(
gcn_arch: &CStr,
main_buffer: &[u8],
ptx_impl: &[u8],
) -> Result<Vec<u8>, amd_comgr_status_s> {
let exec_data_set = get_executable(gcn_arch, main_buffer, ptx_impl)?;
let executable =
exec_data_set.get_data(amd_comgr_data_kind_t::AMD_COMGR_DATA_KIND_EXECUTABLE, 0)?;
exec_data_set.get_data(amd_comgr_data_kind_t::AMD_COMGR_DATA_KIND_EXECUTABLE, 0)?;
executable.copy_content()
}
pub fn get_assembly_as_bytes(
gcn_arch: &CStr,
main_buffer: &[u8],
ptx_impl: &[u8],
) -> Result<Vec<u8>, amd_comgr_status_s> {
let exec_data_set = get_executable(gcn_arch, main_buffer, ptx_impl)?;
let disassembled_data_set = disassemble_exec(&exec_data_set, gcn_arch)?;
let assembly =
disassembled_data_set.get_data(amd_comgr_data_kind_t::AMD_COMGR_DATA_KIND_SOURCE, 0)?;
assembly.copy_content()
}
fn do_action(
data_set: &DataSet,
action: &ActionInfo,

19
compiler/Cargo.toml Normal file
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@ -0,0 +1,19 @@
[package]
name = "compiler"
description = "ZLUDA offline compiler"
version = "0.0.0"
authors = ["Joëlle van Essen <joelle@v-essen.nl>"]
edition = "2021"
[[bin]]
name = "zoc"
path = "src/main.rs"
[dependencies]
amd_comgr-sys = { path = "../ext/amd_comgr-sys" }
bpaf = { version = "0.9.19", features = ["derive"] }
comgr = { path = "../comgr" }
hip_runtime-sys = { path = "../ext/hip_runtime-sys" }
ptx = { path = "../ptx" }
ptx_parser = { path = "../ptx_parser" }
thiserror = "2.0.12"

69
compiler/src/error.rs Normal file
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@ -0,0 +1,69 @@
use std::ffi::FromBytesUntilNulError;
use std::io;
use std::str::Utf8Error;
use amd_comgr_sys::amd_comgr_status_s;
use hip_runtime_sys::hipErrorCode_t;
use ptx::TranslateError;
use ptx_parser::PtxError;
#[derive(Debug, thiserror::Error)]
pub enum CompilerError {
#[error("HIP error code: {0:?}")]
HipError(hipErrorCode_t),
#[error("amd_comgr status code: {0:?}")]
ComgrError(amd_comgr_status_s),
#[error(transparent)]
IoError(#[from] io::Error),
#[error(transparent)]
Utf8Error(#[from] Utf8Error),
#[error(transparent)]
FromBytesUntilNulError(#[from] FromBytesUntilNulError),
#[error("{message}")]
GenericError {
#[source]
cause: Option<Box<dyn std::error::Error>>,
message: String,
},
}
impl From<hipErrorCode_t> for CompilerError {
fn from(error_code: hipErrorCode_t) -> Self {
CompilerError::HipError(error_code)
}
}
impl From<amd_comgr_status_s> for CompilerError {
fn from(error_code: amd_comgr_status_s) -> Self {
CompilerError::ComgrError(error_code)
}
}
impl From<Vec<PtxError<'_>>> for CompilerError {
fn from(causes: Vec<PtxError>) -> Self {
let errors: Vec<String> = causes
.iter()
.map(|e| {
let msg = match e {
PtxError::UnrecognizedStatement(value)
| PtxError::UnrecognizedDirective(value) => value.unwrap_or("").to_string(),
other => other.to_string(),
};
format!("PtxError::{}: {}", e.as_ref(), msg)
})
.collect();
let message = errors.join("\n");
CompilerError::GenericError {
cause: None,
message,
}
}
}
impl From<TranslateError> for CompilerError {
fn from(cause: TranslateError) -> Self {
let message = format!("PTX TranslateError::{}", cause.as_ref());
let cause = Some(Box::new(cause) as Box<dyn std::error::Error>);
CompilerError::GenericError { cause, message }
}
}

208
compiler/src/main.rs Normal file
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@ -0,0 +1,208 @@
use std::env;
use std::ffi::{CStr, CString, OsStr};
use std::fs::{self, File};
use std::io::{self, Write};
use std::mem::MaybeUninit;
use std::path::{Path, PathBuf};
use std::process::ExitCode;
use std::str::{self, FromStr};
use bpaf::Bpaf;
mod error;
use error::CompilerError;
#[derive(Debug, Clone, Bpaf)]
#[bpaf(options, version)]
pub struct Options {
#[bpaf(external(output_type), optional)]
output_type: Option<OutputType>,
#[bpaf(long("linked"))]
/// Produce linked LLVM IR (in combination with --ll)
linked: bool,
#[bpaf(short('o'), argument("file"))]
/// Output path
output_path: Option<PathBuf>,
#[bpaf(positional("filename"))]
/// PTX file
ptx_path: String,
}
fn main() -> ExitCode {
main_core().map_or_else(
|e| {
eprintln!("Error: {}", e);
ExitCode::FAILURE
},
|_| ExitCode::SUCCESS,
)
}
fn main_core() -> Result<(), CompilerError> {
let opts = options().run();
let output_type = opts.output_type.unwrap_or_default();
if opts.linked && output_type != OutputType::LlvmIr {
println!("Warning: option --linked only makes sense when combined with --ll. Ignoring.");
}
let ptx_path = Path::new(&opts.ptx_path).to_path_buf();
check_path(&ptx_path)?;
let output_path = match opts.output_path {
Some(value) => value,
None => get_output_path(&ptx_path, &output_type)?,
};
check_path(&output_path)?;
let ptx = fs::read(&ptx_path).map_err(CompilerError::from)?;
let ptx = str::from_utf8(&ptx).map_err(CompilerError::from)?;
let llvm = ptx_to_llvm(ptx).map_err(CompilerError::from)?;
let output = match output_type {
OutputType::LlvmIr => {
if opts.linked {
get_linked_bitcode(&llvm)?
} else {
llvm.llvm_ir
}
}
OutputType::Elf => get_elf(&llvm)?,
OutputType::Assembly => get_assembly(&llvm)?,
};
write_to_file(&output, &output_path).map_err(CompilerError::from)?;
Ok(())
}
fn ptx_to_llvm(ptx: &str) -> Result<LLVMArtifacts, CompilerError> {
let ast = ptx_parser::parse_module_checked(ptx).map_err(CompilerError::from)?;
let module = ptx::to_llvm_module(ast).map_err(CompilerError::from)?;
let bitcode = module.llvm_ir.write_bitcode_to_memory().to_vec();
let linked_bitcode = module.linked_bitcode().to_vec();
let llvm_ir = module.llvm_ir.print_module_to_string().to_bytes().to_vec();
Ok(LLVMArtifacts {
bitcode,
linked_bitcode,
llvm_ir,
})
}
#[derive(Debug)]
struct LLVMArtifacts {
bitcode: Vec<u8>,
linked_bitcode: Vec<u8>,
llvm_ir: Vec<u8>,
}
fn get_arch() -> Result<CString, CompilerError> {
use hip_runtime_sys::*;
unsafe { hipInit(0) }?;
let mut dev_props: MaybeUninit<hipDeviceProp_tR0600> = MaybeUninit::uninit();
unsafe { hipGetDevicePropertiesR0600(dev_props.as_mut_ptr(), 0) }?;
let dev_props = unsafe { dev_props.assume_init() };
let arch = dev_props.gcnArchName;
let arch: Vec<u8> = arch
.to_vec()
.iter()
.map(|&v| i8::to_ne_bytes(v)[0])
.collect();
let arch = CStr::from_bytes_until_nul(arch.as_slice())?;
Ok(CString::from(arch))
}
fn get_linked_bitcode(llvm: &LLVMArtifacts) -> Result<Vec<u8>, CompilerError> {
let linked_bitcode = comgr::get_linked_bitcode_as_bytes(&llvm.bitcode, &llvm.linked_bitcode)?;
Ok(ptx::bitcode_to_ir(linked_bitcode))
}
fn get_elf(llvm: &LLVMArtifacts) -> Result<Vec<u8>, CompilerError> {
let arch = get_arch()?;
comgr::get_executable_as_bytes(&arch, &llvm.bitcode, &llvm.linked_bitcode)
.map_err(CompilerError::from)
}
fn get_assembly(llvm: &LLVMArtifacts) -> Result<Vec<u8>, CompilerError> {
let arch = get_arch()?;
comgr::get_assembly_as_bytes(&arch, &llvm.bitcode, &llvm.linked_bitcode)
.map_err(CompilerError::from)
}
fn check_path(path: &Path) -> Result<(), CompilerError> {
if path.try_exists().map_err(CompilerError::from)? && !path.is_file() {
let message = format!("Not a regular file: {:?}", path.to_path_buf());
let error = CompilerError::GenericError {
cause: None,
message,
};
return Err(error);
}
Ok(())
}
fn get_output_path(ptx_path: &PathBuf, output_type: &OutputType) -> Result<PathBuf, CompilerError> {
let current_dir = env::current_dir().map_err(CompilerError::from)?;
let output_path = current_dir.join(
ptx_path
.as_path()
.file_stem()
.unwrap_or(OsStr::new("output")),
);
let output_path = output_path.with_extension(output_type.extension());
Ok(output_path)
}
fn write_to_file(content: &[u8], path: &Path) -> io::Result<()> {
let mut file = File::create(path)?;
file.write_all(content)?;
file.flush()?;
println!("Wrote to {}", path.to_str().unwrap());
Ok(())
}
#[derive(Bpaf, Clone, Copy, Debug, Default, PartialEq)]
enum OutputType {
/// Produce LLVM IR
#[bpaf(long("ll"))]
LlvmIr,
/// Produce ELF binary (default)
#[default]
Elf,
/// Produce assembly
#[bpaf(long("asm"))]
Assembly,
}
impl OutputType {
fn extension(self) -> String {
match self {
OutputType::LlvmIr => "ll",
OutputType::Assembly => "asm",
OutputType::Elf => "elf",
}
.into()
}
}
impl FromStr for OutputType {
type Err = CompilerError;
fn from_str(s: &str) -> Result<Self, Self::Err> {
match s {
"ll" => Ok(Self::LlvmIr),
"elf" => Ok(Self::Elf),
"asm" => Ok(Self::Assembly),
_ => {
let message = format!("Not a valid output type: {}", s);
Err(CompilerError::GenericError {
cause: None,
message,
})
}
}
}
}

View file

@ -1,7 +1,7 @@
[package]
name = "ptx"
version = "0.0.0"
authors = ["Andrzej Janik <vosen@vosen.pl>"]
authors = ["Andrzej Janik <vosen@vosen.pl>", "Joëlle van Essen <joelle@v-essen.nl>"]
edition = "2021"
[lib]

View file

@ -2,5 +2,5 @@ pub(crate) mod pass;
#[cfg(test)]
mod test;
pub use pass::to_llvm_module;
pub use pass::{TranslateError, to_llvm_module};
pub use pass::emit_llvm::bitcode_to_ir;

View file

@ -27,11 +27,13 @@
use std::array::TryFromSliceError;
use std::convert::TryInto;
use std::ffi::{CStr, NulError};
use std::mem::MaybeUninit;
use std::ops::Deref;
use std::{i8, ptr};
use std::ptr;
use super::*;
use llvm_zluda::analysis::{LLVMVerifierFailureAction, LLVMVerifyModule};
use llvm_zluda::bit_reader::LLVMParseBitcodeInContext2;
use llvm_zluda::bit_writer::LLVMWriteBitcodeToMemoryBuffer;
use llvm_zluda::{core::*, *};
use llvm_zluda::{prelude::*, LLVMZludaBuildAtomicRMW};
@ -119,6 +121,24 @@ impl Drop for Module {
}
}
impl From<MemoryBuffer> for Module {
fn from(memory_buffer: MemoryBuffer) -> Self {
let context = Context::new();
let mut module: MaybeUninit<LLVMModuleRef> = MaybeUninit::uninit();
unsafe {
LLVMParseBitcodeInContext2(context.get(), memory_buffer.get(), module.as_mut_ptr());
}
let module = unsafe { module.assume_init() };
Self(module, context)
}
}
pub fn bitcode_to_ir(bitcode: Vec<u8>) -> Vec<u8> {
let memory_buffer: MemoryBuffer = bitcode.into();
let module: Module = memory_buffer.into();
module.print_module_to_string().to_bytes().to_vec()
}
struct Builder(LLVMBuilderRef);
impl Builder {
@ -160,6 +180,10 @@ impl std::fmt::Debug for Message {
}
impl Message {
pub fn to_bytes(&self) -> &[u8] {
self.0.to_bytes()
}
pub fn to_str(&self) -> &str {
self.0.to_str().unwrap().trim()
}
@ -167,6 +191,12 @@ impl Message {
pub struct MemoryBuffer(LLVMMemoryBufferRef);
impl MemoryBuffer {
fn get(&self) -> LLVMMemoryBufferRef {
self.0
}
}
impl Drop for MemoryBuffer {
fn drop(&mut self) {
unsafe {
@ -185,6 +215,26 @@ impl Deref for MemoryBuffer {
}
}
impl From<Vec<i8>> for MemoryBuffer {
fn from(value: Vec<i8>) -> Self {
let memory_buffer: LLVMMemoryBufferRef = unsafe {
LLVMCreateMemoryBufferWithMemoryRangeCopy(
value.as_ptr(),
value.len(),
ptr::null()
)
};
Self(memory_buffer)
}
}
impl From<Vec<u8>> for MemoryBuffer {
fn from(value: Vec<u8>) -> Self {
let value: Vec<i8> = value.iter().map(|&v| i8::from_ne_bytes([v])).collect();
value.into()
}
}
pub(super) fn run<'input>(
id_defs: GlobalStringIdentResolver2<'input>,
directives: Vec<Directive2<ast::Instruction<SpirvWord>, SpirvWord>>,

View file

@ -17,8 +17,8 @@ mod expand_operands;
mod fix_special_registers2;
mod hoist_globals;
mod insert_explicit_load_store;
mod instruction_mode_to_global_mode;
mod insert_implicit_conversions2;
mod instruction_mode_to_global_mode;
mod normalize_basic_blocks;
mod normalize_identifiers2;
mod normalize_predicates2;
@ -31,7 +31,7 @@ static ZLUDA_PTX_IMPL: &'static [u8] = include_bytes!("../../lib/zluda_ptx_impl.
const ZLUDA_PTX_PREFIX: &'static str = "__zluda_ptx_impl_";
quick_error! {
#[derive(Debug)]
#[derive(Debug, strum_macros::AsRefStr)]
pub enum TranslateError {
UnknownSymbol {}
UntypedSymbol {}

View file

@ -380,7 +380,7 @@ fn run_hip<Input: From<u8> + Copy + Debug, Output: From<u8> + Copy + Debug + Def
unsafe { hipStreamCreate(&mut stream) }.unwrap();
let mut dev_props = unsafe { mem::zeroed() };
unsafe { hipGetDevicePropertiesR0600(&mut dev_props, dev) }.unwrap();
let elf_module = comgr::compile_bitcode(
let elf_module = comgr::get_executable_as_bytes(
unsafe { CStr::from_ptr(dev_props.gcnArchName.as_ptr()) },
&*module.llvm_ir.write_bitcode_to_memory(),
module.linked_bitcode(),

View file

@ -7,11 +7,12 @@ edition = "2021"
[lib]
[dependencies]
bitflags = "1.2"
derive_more = { version = "1", features = ["display"] }
logos = "0.14"
ptx_parser_macros = { path = "../ptx_parser_macros" }
rustc-hash = "2.0.0"
strum = { version = "0.27.1", features = ["derive"] }
thiserror = "1.0"
winnow = { version = "0.6.18" }
#winnow = { version = "0.6.18", features = ["debug"] }
ptx_parser_macros = { path = "../ptx_parser_macros" }
thiserror = "1.0"
bitflags = "1.2"
rustc-hash = "2.0.0"
derive_more = { version = "1", features = ["display"] }

View file

@ -1240,7 +1240,7 @@ impl<Ident> ast::ParsedOperand<Ident> {
}
}
#[derive(Debug, thiserror::Error)]
#[derive(Debug, thiserror::Error, strum::AsRefStr)]
pub enum PtxError<'input> {
#[error("{source}")]
ParseInt {

View file

@ -28,7 +28,7 @@ pub(crate) fn load_data(module: &mut CUmodule, image: *const std::ffi::c_void) -
unsafe { hipCtxGetDevice(&mut dev) }?;
let mut props = unsafe { mem::zeroed() };
unsafe { hipGetDevicePropertiesR0600(&mut props, dev) }?;
let elf_module = comgr::compile_bitcode(
let elf_module = comgr::get_executable_as_bytes(
unsafe { CStr::from_ptr(props.gcnArchName.as_ptr()) },
&*llvm_module.llvm_ir.write_bitcode_to_memory(),
llvm_module.linked_bitcode(),