ProceduralRegionTrait.cpp

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//===----------------------------------------------------------------------===//
//
// 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/Support/ProceduralRegionTrait.h"
 
using namespace llvm;
using namespace mlir;
 
namespace circt {
 
LogicalResult verifyNotInProceduralRegion(Operation *op) {
  auto *parent = op;
  while ((parent = parent->getParentOp())) {
    if (parent->hasTrait<NonProceduralRegion>())
      return success();
    if (parent->hasTrait<ProceduralRegion>())
      return op->emitOpError("must not be in a procedural region");
  }
  return success();
}
 
LogicalResult verifyNotInNonProceduralRegion(Operation *op) {
  auto *parent = op;
  while ((parent = parent->getParentOp())) {
    if (parent->hasTrait<ProceduralRegion>())
      return success();
    if (parent->hasTrait<NonProceduralRegion>())
      return op->emitOpError("must not be in a non-procedural region");
  }
  return success();
}
 
bool isInProceduralRegion(Operation *op) {
  for (Operation *parent = op->getParentOp(); parent;
       parent = parent->getParentOp()) {
    if (parent->hasTrait<NonProceduralRegion>())
      return false;
    if (parent->hasTrait<ProceduralRegion>())
      return true;
  }
  return false;
}
 
} // namespace circt