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//===- SDNodeProperties.td - Common code for DAG isels -----*- tablegen -*-===//
//
// 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
//
//===----------------------------------------------------------------------===//
class SDNodeProperty;
// Selection DAG Pattern Operations
class SDPatternOperator {
list<SDNodeProperty> Properties = [];
}
//===----------------------------------------------------------------------===//
// Selection DAG Node Properties.
//
// Note: These are hard coded into tblgen.
//
def SDNPCommutative : SDNodeProperty; // X op Y == Y op X
def SDNPAssociative : SDNodeProperty; // (X op Y) op Z == X op (Y op Z)
def SDNPHasChain : SDNodeProperty; // R/W chain operand and result
def SDNPOutGlue : SDNodeProperty; // Write a flag result
def SDNPInGlue : SDNodeProperty; // Read a flag operand
def SDNPOptInGlue : SDNodeProperty; // Optionally read a flag operand
def SDNPMayStore : SDNodeProperty; // May write to memory, sets 'mayStore'.
def SDNPMayLoad : SDNodeProperty; // May read memory, sets 'mayLoad'.
def SDNPSideEffect : SDNodeProperty; // Sets 'HasUnmodelledSideEffects'.
def SDNPMemOperand : SDNodeProperty; // Touches memory, has assoc MemOperand
def SDNPVariadic : SDNodeProperty; // Node has variable arguments.
def SDNPWantRoot : SDNodeProperty; // ComplexPattern gets the root of match
def SDNPWantParent : SDNodeProperty; // ComplexPattern gets the parent
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