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| Rev | Author | Line No. | Line |
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| 14 | pmbaty | 1 | //===- SDNodeProperties.td - Common code for DAG isels -----*- tablegen -*-===// |
| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |||
| 9 | class SDNodeProperty; |
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| 10 | |||
| 11 | // Selection DAG Pattern Operations |
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| 12 | class SDPatternOperator { |
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| 13 | list<SDNodeProperty> Properties = []; |
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| 14 | } |
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| 15 | |||
| 16 | //===----------------------------------------------------------------------===// |
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| 17 | // Selection DAG Node Properties. |
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| 18 | // |
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| 19 | // Note: These are hard coded into tblgen. |
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| 20 | // |
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| 21 | def SDNPCommutative : SDNodeProperty; // X op Y == Y op X |
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| 22 | def SDNPAssociative : SDNodeProperty; // (X op Y) op Z == X op (Y op Z) |
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| 23 | def SDNPHasChain : SDNodeProperty; // R/W chain operand and result |
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| 24 | def SDNPOutGlue : SDNodeProperty; // Write a flag result |
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| 25 | def SDNPInGlue : SDNodeProperty; // Read a flag operand |
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| 26 | def SDNPOptInGlue : SDNodeProperty; // Optionally read a flag operand |
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| 27 | def SDNPMayStore : SDNodeProperty; // May write to memory, sets 'mayStore'. |
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| 28 | def SDNPMayLoad : SDNodeProperty; // May read memory, sets 'mayLoad'. |
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| 29 | def SDNPSideEffect : SDNodeProperty; // Sets 'HasUnmodelledSideEffects'. |
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| 30 | def SDNPMemOperand : SDNodeProperty; // Touches memory, has assoc MemOperand |
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| 31 | def SDNPVariadic : SDNodeProperty; // Node has variable arguments. |
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| 32 | def SDNPWantRoot : SDNodeProperty; // ComplexPattern gets the root of match |
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| 33 | def SDNPWantParent : SDNodeProperty; // ComplexPattern gets the parent |