baae949f19
As part of XeVM dialect upsteaming, covers remaining parts required for XeVM dialect integration and testing. It has two high level components - XeVM target and serialization support - XeVM dialect integration tests using level zero runtime Co-Authored-by: Artem Kroviakov <artem.kroviakov@intel.com>
94 lines
3.3 KiB
C++
94 lines
3.3 KiB
C++
//===-- XeVMAttachTarget.cpp - Attach an XeVM target ----------------------===//
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//
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// This file is licensed under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the `GpuXeVMAttachTarget` pass, attaching `#xevm.target`
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// attributes to GPU modules.
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//
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//===----------------------------------------------------------------------===//
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#include "mlir/Dialect/GPU/Transforms/Passes.h"
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#include "mlir/Dialect/GPU/IR/GPUDialect.h"
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#include "mlir/Dialect/LLVMIR/XeVMDialect.h"
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#include "mlir/IR/Builders.h"
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#include "mlir/Pass/Pass.h"
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#include "mlir/Target/LLVM/XeVM/Target.h"
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#include "llvm/Support/Regex.h"
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namespace mlir {
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#define GEN_PASS_DEF_GPUXEVMATTACHTARGET
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#include "mlir/Dialect/GPU/Transforms/Passes.h.inc"
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} // namespace mlir
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using namespace mlir;
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using namespace mlir::xevm;
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namespace {
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struct XeVMAttachTarget
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: public mlir::impl::GpuXeVMAttachTargetBase<XeVMAttachTarget> {
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using Base::Base;
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DictionaryAttr getFlags(OpBuilder &builder) const;
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void runOnOperation() override;
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void getDependentDialects(DialectRegistry ®istry) const override {
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registry.insert<xevm::XeVMDialect>();
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}
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};
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} // namespace
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DictionaryAttr XeVMAttachTarget::getFlags(OpBuilder &builder) const {
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SmallVector<NamedAttribute, 3> flags;
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// Tokenize and set the optional command line options.
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if (!cmdOptions.empty()) {
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std::pair<llvm::BumpPtrAllocator, SmallVector<const char *>> options =
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gpu::TargetOptions::tokenizeCmdOptions(cmdOptions);
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if (!options.second.empty()) {
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llvm::SmallVector<mlir::Attribute> xevmOptionAttrs;
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for (const char *opt : options.second) {
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xevmOptionAttrs.emplace_back(
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mlir::StringAttr::get(builder.getContext(), StringRef(opt)));
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}
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flags.push_back(builder.getNamedAttr(
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"cmd-options",
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mlir::ArrayAttr::get(builder.getContext(), xevmOptionAttrs)));
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}
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}
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if (!flags.empty())
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return builder.getDictionaryAttr(flags);
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return nullptr;
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}
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void XeVMAttachTarget::runOnOperation() {
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OpBuilder builder(&getContext());
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ArrayRef<std::string> libs(linkLibs);
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SmallVector<StringRef> filesToLink(libs);
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auto target = builder.getAttr<xevm::XeVMTargetAttr>(
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optLevel, triple, chip, getFlags(builder),
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filesToLink.empty() ? nullptr : builder.getStrArrayAttr(filesToLink));
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llvm::Regex matcher(moduleMatcher);
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for (Region ®ion : getOperation()->getRegions())
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for (Block &block : region.getBlocks())
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for (auto module : block.getOps<gpu::GPUModuleOp>()) {
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// Check if the name of the module matches.
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if (!moduleMatcher.empty() && !matcher.match(module.getName()))
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continue;
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// Create the target array.
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SmallVector<Attribute> targets;
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if (std::optional<ArrayAttr> attrs = module.getTargets())
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targets.append(attrs->getValue().begin(), attrs->getValue().end());
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targets.push_back(target);
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// Remove any duplicate targets.
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targets.erase(llvm::unique(targets), targets.end());
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// Update the target attribute array.
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module.setTargetsAttr(builder.getArrayAttr(targets));
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}
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}
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