| //===- 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 |
