58ceae9561
FuncOp has been moved to the `func` namespace for a little over a month, the using directive can be dropped now.
44 lines
1.4 KiB
C++
44 lines
1.4 KiB
C++
//===- AffineLoopNormalize.cpp - AffineLoopNormalize Pass -----------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements a normalizer for affine loop-like ops.
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//
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//===----------------------------------------------------------------------===//
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#include "PassDetail.h"
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#include "mlir/Dialect/Affine/IR/AffineOps.h"
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#include "mlir/Dialect/Affine/Passes.h"
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#include "mlir/Dialect/Affine/Utils.h"
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using namespace mlir;
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namespace {
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/// Normalize affine.parallel ops so that lower bounds are 0 and steps are 1.
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/// As currently implemented, this pass cannot fail, but it might skip over ops
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/// that are already in a normalized form.
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struct AffineLoopNormalizePass
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: public AffineLoopNormalizeBase<AffineLoopNormalizePass> {
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void runOnOperation() override {
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getOperation().walk([](Operation *op) {
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if (auto affineParallel = dyn_cast<AffineParallelOp>(op))
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normalizeAffineParallel(affineParallel);
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else if (auto affineFor = dyn_cast<AffineForOp>(op))
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(void)normalizeAffineFor(affineFor);
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});
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}
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};
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} // namespace
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std::unique_ptr<OperationPass<func::FuncOp>>
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mlir::createAffineLoopNormalizePass() {
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return std::make_unique<AffineLoopNormalizePass>();
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}
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