AnalyzeName.cpp

/*
 * Copyright (c) Huawei Technologies Co., Ltd. 2025. All rights reserved.
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#include "ascend/include/DynamicCVPipeline/AnalyzeDataFlow.h"
#include "ascend/include/DynamicCVPipeline/Common/Utils.h"
#include "mlir/Dialect/Func/IR/FuncOps.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/Support/Debug.h"

static constexpr const char *DEBUG_TYPE = "analyze-name";
#define DBGS() (llvm::dbgs() << '[' << DEBUG_TYPE << "] ")
#define LDBG(...)                                                              \
  LLVM_DEBUG({                                                                 \
    DBGS();                                                                    \
    llvm::dbgs() << __VA_ARGS__;                                               \
    llvm::dbgs() << "\n";                                                      \
  })

using namespace mlir;
using namespace triton;

namespace {

static constexpr llvm::StringLiteral interceptrFunc[]{
    "chunk_abc_bwd_kernel_dh",      "flash_varlen_fwd_kernel",
    "chunk_gsa_bwd_k_kernel_dqkvg", "_sparse_decode_kernel",
    "_sparse_decode_model1_kernel", "sparse_flash_attention_grad_kernel"};

static LogicalResult verifyFuncNames(ModuleOp module) {
  bool intercepted = false;

  module.walk([&](func::FuncOp funcOp) -> WalkResult {
    if (!llvm::is_contained(interceptrFunc, funcOp.getSymName())) {
      return WalkResult::advance();
    }

    LDBG("[INFO]: DynamicCVPipeline is interrupted by function name: "
         << funcOp.getSymName());
    intercepted = true;
    return WalkResult::interrupt();
  });

  if (!intercepted) {
    return success();
  }

  return failure();
}

} // namespace

void AnalyzeNamePass::runOnOperation() {
  ModuleOp module = getOperation();

  if (CVPipeline::hasFallbackAttr(module)) {
    return;
  }

  LDBG("Before AnalyzeName:\n" << module << "\n");

  if (failed(verifyFuncNames(module))) {
    CVPipeline::setFallbackAttr(module, CVPipeline::ERRCODE_IGNORED);
    return;
  }

  LDBG("After AnalyzeName:\n" << module << "\n");
}

namespace mlir {
namespace triton {

std::unique_ptr<OperationPass<ModuleOp>> createAnalyzeNamePass() {
  return std::make_unique<AnalyzeNamePass>();
}

} // namespace triton
} // namespace mlir