c095afcba6
This patch implements the analysis state classes needed for sparse data-flow analysis and implements a dead-code analysis using those states to determine liveness of blocks, control-flow edges, region predecessors, and function callsites. Depends on D126751 Reviewed By: rriddle, phisiart Differential Revision: https://reviews.llvm.org/D127064
23 lines
792 B
C++
23 lines
792 B
C++
//===- ConstantPropagationAnalysis.cpp - Constant propagation analysis ----===//
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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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#include "mlir/Analysis/DataFlow/ConstantPropagationAnalysis.h"
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using namespace mlir;
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using namespace mlir::dataflow;
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//===----------------------------------------------------------------------===//
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// ConstantValue
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//===----------------------------------------------------------------------===//
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void ConstantValue::print(raw_ostream &os) const {
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if (constant)
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return constant.print(os);
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os << "<NO VALUE>";
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}
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