LLHD.cpp

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//===-- LLHD.h - C API for 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/IR/LLHDDialect.h"
#include "circt/Dialect/LLHD/IR/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 unwrap(type).isa<TimeType>(); }
 
/// Check if a type is a signal type.
bool llhdTypeIsASignalType(MlirType type) {
  return unwrap(type).isa<SigType>();
}
 
/// Check if a type is a pointer type.
bool llhdTypeIsAPointerType(MlirType type) {
  return unwrap(type).isa<PtrType>();
}
 
/// Create a time type.
MlirType llhdTimeTypeGet(MlirContext ctx) {
  return wrap(TimeType::get(unwrap(ctx)));
}
 
/// Create a signal type.
MlirType llhdSignalTypeGet(MlirType element) {
  return wrap(SigType::get(unwrap(element)));
}
 
/// Create a pointer type.
MlirType llhdPointerTypeGet(MlirType element) {
  return wrap(PtrType::get(unwrap(element)));
}
 
/// Get the inner type of a signal.
MlirType llhdSignalTypeGetElementType(MlirType type) {
  return wrap(unwrap(type).cast<SigType>().getUnderlyingType());
}
 
/// Get the inner type of a pointer.
MlirType llhdPointerTypeGetElementType(MlirType type) {
  return wrap(unwrap(type).cast<PtrType>().getUnderlyingType());
}
 
//===----------------------------------------------------------------------===//
// Attributes
//===----------------------------------------------------------------------===//
 
/// Check if an attribute is a time attribute.
bool llhdAttrIsATimeAttr(MlirAttribute attr) {
  return unwrap(attr).isa<TimeAttr>();
}
 
/// Create a time attribute.
MlirAttribute llhdTimeAttrGet(MlirContext ctx, MlirStringRef timeUnit,
                              uint64_t seconds, uint64_t delta,
                              uint64_t epsilon) {
  return wrap(
      TimeAttr::get(unwrap(ctx), seconds, unwrap(timeUnit), delta, epsilon));
}
 
/// Get the time unit of a time attribute.
MlirStringRef llhdTimeAttrGetTimeUnit(MlirAttribute attr) {
  return wrap(unwrap(attr).cast<TimeAttr>().getTimeUnit());
}
 
/// Get the seconds component of a time attribute.
uint64_t llhdTimeAttrGetSeconds(MlirAttribute attr) {
  return unwrap(attr).cast<TimeAttr>().getTime();
}
 
/// Get the delta component of a time attribute.
uint64_t llhdTimeAttrGetDelta(MlirAttribute attr) {
  return unwrap(attr).cast<TimeAttr>().getDelta();
}
 
/// Get the epsilon component of a time attribute.
uint64_t llhdTimeAttrGetEpsilon(MlirAttribute attr) {
  return unwrap(attr).cast<TimeAttr>().getEpsilon();
}