LLHD.cpp

Go to the documentation of this file.

//===- LLHD.cpp - C interface for the LLHD 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 "circt-c/Dialect/LLHD.h"
#include "circt/Dialect/LLHD/LLHDDialect.h"
#include "circt/Dialect/LLHD/LLHDTypes.h"
#include "mlir/CAPI/IR.h"
#include "mlir/CAPI/Registration.h"
#include "mlir/CAPI/Support.h"
 
using namespace circt;
using namespace circt::llhd;
 
//===----------------------------------------------------------------------===//
// Dialect
//===----------------------------------------------------------------------===//
 
MLIR_DEFINE_CAPI_DIALECT_REGISTRATION(LLHD, llhd, circt::llhd::LLHDDialect)
 
//===----------------------------------------------------------------------===//
// Types
//===----------------------------------------------------------------------===//
 
/// Check if a type is a time type.
bool llhdTypeIsATimeType(MlirType type) { return isa<TimeType>(unwrap(type)); }
 
/// Check if a type is a reference type.
bool llhdTypeIsARefType(MlirType type) { return isa<RefType>(unwrap(type)); }
 
/// Create a time type.
MlirType llhdTimeTypeGet(MlirContext ctx) {
  return wrap(TimeType::get(unwrap(ctx)));
}
 
/// Create a reference type.
MlirType llhdRefTypeGet(MlirType element) {
  return wrap(RefType::get(unwrap(element)));
}
 
/// Get the inner type of a reference.
MlirType llhdRefTypeGetNestedType(MlirType type) {
  return wrap(cast<RefType>(unwrap(type)).getNestedType());
}
 
//===----------------------------------------------------------------------===//
// Attributes
//===----------------------------------------------------------------------===//
 
/// Check if an attribute is a time attribute.
bool llhdAttrIsATimeAttr(MlirAttribute attr) {
  return isa<TimeAttr>(unwrap(attr));
}
 
/// Create a time attribute.
MlirAttribute llhdTimeAttrGet(MlirContext ctx, MlirStringRef timeUnit,
                              uint64_t seconds, uint64_t delta) {
  return wrap(TimeAttr::get(unwrap(ctx), seconds, unwrap(timeUnit), delta));
}
 
/// Get the time unit of a time attribute.
MlirStringRef llhdTimeAttrGetTimeUnit(MlirAttribute attr) {
  return wrap(cast<TimeAttr>(unwrap(attr)).getTimeUnit());
}
 
/// Get the seconds component of a time attribute.
uint64_t llhdTimeAttrGetSeconds(MlirAttribute attr) {
  return cast<TimeAttr>(unwrap(attr)).getTime();
}
 
/// Get the delta component of a time attribute.
uint64_t llhdTimeAttrGetDelta(MlirAttribute attr) {
  return cast<TimeAttr>(unwrap(attr)).getDelta();
}