AnalysisUtil.cpp

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//===-- AnalysisUtil.cpp - Data-flow analysis utils -------------*- C++ -*-===//
//
// Part of the LLZK Project, under the Apache License v2.0.
// See LICENSE.txt for license information.
// Copyright 2025 Veridise Inc.
// SPDX-License-Identifier: Apache-2.0
//
//===----------------------------------------------------------------------===//
 
#include "llzk/Analysis/AnalysisUtil.h"
 
#include <mlir/Analysis/DataFlow/DeadCodeAnalysis.h>
 
using namespace mlir;
 
using Executable = mlir::dataflow::Executable;
 
namespace llzk::dataflow {
 
void markAllOpsAsLive(DataFlowSolver &solver, Operation *top) {
  for (Region &region : top->getRegions()) {
    for (Block &block : region) {
      ProgramPoint *point = solver.getProgramPointBefore(&block);
      (void)solver.getOrCreateState<Executable>(point)->setToLive();
      for (Operation &oper : block) {
        markAllOpsAsLive(solver, &oper);
      }
    }
  }
}
 
} // namespace llzk::dataflow