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73 lines
2 KiB
C#
73 lines
2 KiB
C#
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using Ryujinx.Graphics.Shader.IntermediateRepresentation;
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namespace Ryujinx.Graphics.Shader.StructuredIr
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{
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static class AstHelper
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{
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public static void AddUse(IAstNode node, IAstNode parent)
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{
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if (node is AstOperand operand && operand.Type == OperandType.LocalVariable)
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{
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operand.Uses.Add(parent);
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}
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}
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public static void AddDef(IAstNode node, IAstNode parent)
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{
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if (node is AstOperand operand && operand.Type == OperandType.LocalVariable)
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{
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operand.Defs.Add(parent);
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}
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}
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public static void RemoveUse(IAstNode node, IAstNode parent)
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{
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if (node is AstOperand operand && operand.Type == OperandType.LocalVariable)
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{
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operand.Uses.Remove(parent);
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}
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}
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public static void RemoveDef(IAstNode node, IAstNode parent)
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{
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if (node is AstOperand operand && operand.Type == OperandType.LocalVariable)
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{
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operand.Defs.Remove(parent);
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}
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}
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public static AstAssignment Assign(IAstNode destination, IAstNode source)
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{
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return new AstAssignment(destination, source);
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}
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public static AstOperand Const(int value)
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{
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return new AstOperand(OperandType.Constant, value);
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}
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public static AstOperand Local(VariableType type)
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{
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AstOperand local = new AstOperand(OperandType.LocalVariable);
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local.VarType = type;
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return local;
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}
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public static IAstNode InverseCond(IAstNode cond)
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{
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return new AstOperation(Instruction.LogicalNot, cond);
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}
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public static IAstNode Next(IAstNode node)
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{
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return node.LLNode.Next?.Value;
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}
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public static IAstNode Previous(IAstNode node)
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{
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return node.LLNode.Previous?.Value;
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}
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}
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}
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