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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 | //===- SDNodeProperties.td - Common code for DAG isels ---*- tablegen -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
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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