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* Add support for CAL and RET shader instructions * Remove unused stuff * Fix a bug that could cause the wrong values to be passed to a function * Avoid repopulating function id dictionary every time * PR feedback * Fix vertex shader A/B merge
62 lines
1.5 KiB
C#
62 lines
1.5 KiB
C#
using System.Collections.Generic;
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namespace Ryujinx.Graphics.Shader.IntermediateRepresentation
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{
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class BasicBlock
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{
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public int Index { get; set; }
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public LinkedList<INode> Operations { get; }
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private BasicBlock _next;
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private BasicBlock _branch;
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public BasicBlock Next
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{
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get => _next;
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set => _next = AddSuccessor(_next, value);
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}
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public BasicBlock Branch
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{
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get => _branch;
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set => _branch = AddSuccessor(_branch, value);
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}
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public bool HasBranch => _branch != null;
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public bool Reachable => Index == 0 || Predecessors.Count != 0;
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public List<BasicBlock> Predecessors { get; }
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public HashSet<BasicBlock> DominanceFrontiers { get; }
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public BasicBlock ImmediateDominator { get; set; }
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public BasicBlock()
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{
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Operations = new LinkedList<INode>();
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Predecessors = new List<BasicBlock>();
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DominanceFrontiers = new HashSet<BasicBlock>();
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}
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public BasicBlock(int index) : this()
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{
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Index = index;
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}
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private BasicBlock AddSuccessor(BasicBlock oldBlock, BasicBlock newBlock)
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{
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oldBlock?.Predecessors.Remove(this);
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newBlock?.Predecessors.Add(this);
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return newBlock;
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}
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public INode GetLastOp()
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{
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return Operations.Last?.Value;
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}
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}
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} |