llvm-project/mlir/lib/CAPI/IR/ExtensibleDialect.cpp
Twice dfc8fa80c9
[MLIR][Python] Refine trait support in MLIR Python (#180550)
This PR is mainly to address review suggestions in #179705.
2026-02-10 10:14:23 +08:00

88 lines
2.9 KiB
C++

//===- ExtensibleDialect - C API for MLIR Extensible Dialect --------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "mlir-c/ExtensibleDialect.h"
#include "mlir/CAPI/IR.h"
#include "mlir/CAPI/Support.h"
#include "mlir/IR/ExtensibleDialect.h"
#include "mlir/IR/OperationSupport.h"
using namespace mlir;
DEFINE_C_API_PTR_METHODS(MlirDynamicOpTrait, DynamicOpTrait)
bool mlirDynamicOpTraitAttach(MlirDynamicOpTrait dynamicOpTrait,
MlirStringRef opName, MlirContext context) {
std::optional<RegisteredOperationName> opNameFound =
RegisteredOperationName::lookup(unwrap(opName), unwrap(context));
assert(opNameFound && "operation name must be registered in the context");
// The original getImpl() is protected, so we create a small helper struct
// here.
struct RegisteredOperationNameWithImpl : RegisteredOperationName {
Impl *getImpl() { return RegisteredOperationName::getImpl(); }
};
OperationName::Impl *impl =
static_cast<RegisteredOperationNameWithImpl &>(*opNameFound).getImpl();
std::unique_ptr<DynamicOpTrait> trait(unwrap(dynamicOpTrait));
// TODO: we should enable llvm-style RTTI for `OperationName::Impl` and check
// whether the `impl` is a `DynamicOpDefinition` here.
return static_cast<DynamicOpDefinition *>(impl)->addTrait(std::move(trait));
}
MlirDynamicOpTrait mlirDynamicOpTraitIsTerminatorCreate() {
return wrap(new DynamicOpTraits::IsTerminator());
}
MlirDynamicOpTrait mlirDynamicOpTraitNoTerminatorCreate() {
return wrap(new DynamicOpTraits::NoTerminator());
}
void mlirDynamicOpTraitDestroy(MlirDynamicOpTrait dynamicOpTrait) {
delete unwrap(dynamicOpTrait);
}
namespace mlir {
class ExternalDynamicOpTrait : public DynamicOpTrait {
public:
ExternalDynamicOpTrait(TypeID typeID, MlirDynamicOpTraitCallbacks callbacks,
void *userData)
: typeID(typeID), callbacks(callbacks), userData(userData) {
if (callbacks.construct)
callbacks.construct(userData);
}
~ExternalDynamicOpTrait() {
if (callbacks.destruct)
callbacks.destruct(userData);
}
LogicalResult verifyTrait(Operation *op) const override {
return unwrap(callbacks.verifyTrait(wrap(op), userData));
};
LogicalResult verifyRegionTrait(Operation *op) const override {
return unwrap(callbacks.verifyRegionTrait(wrap(op), userData));
};
TypeID getTypeID() const override { return typeID; };
private:
TypeID typeID;
MlirDynamicOpTraitCallbacks callbacks;
void *userData;
};
} // namespace mlir
MlirDynamicOpTrait mlirDynamicOpTraitCreate(
MlirTypeID typeID, MlirDynamicOpTraitCallbacks callbacks, void *userData) {
return wrap(
new mlir::ExternalDynamicOpTrait(unwrap(typeID), callbacks, userData));
}