Initial work

1 files changed, 0 insertions, 74 deletions

diff --git a/Ryujinx.Graphics/Shader/StructuredIr/PhiFunctions.cs b/Ryujinx.Graphics/Shader/StructuredIr/PhiFunctions.cs
deleted file mode 100644
index 53391b62..00000000
--- a/Ryujinx.Graphics/Shader/StructuredIr/PhiFunctions.cs
+++ /dev/null
@@ -1,74 +0,0 @@
-using Ryujinx.Graphics.Shader.IntermediateRepresentation;
-using System.Collections.Generic;
-
-namespace Ryujinx.Graphics.Shader.StructuredIr
-{
-    static class PhiFunctions
-    {
-        public static void Remove(BasicBlock[] blocks)
-        {
-            for (int blkIndex = 0; blkIndex < blocks.Length; blkIndex++)
-            {
-                BasicBlock block = blocks[blkIndex];
-
-                LinkedListNode<INode> node = block.Operations.First;
-
-                while (node != null)
-                {
-                    LinkedListNode<INode> nextNode = node.Next;
-
-                    if (!(node.Value is PhiNode phi))
-                    {
-                        node = nextNode;
-
-                        continue;
-                    }
-
-                    for (int index = 0; index < phi.SourcesCount; index++)
-                    {
-                        Operand src = phi.GetSource(index);
-
-                        BasicBlock srcBlock = phi.GetBlock(index);
-
-                        Operation copyOp = new Operation(Instruction.Copy, phi.Dest, src);
-
-                        AddBeforeBranch(srcBlock, copyOp);
-                    }
-
-                    block.Operations.Remove(node);
-
-                    node = nextNode;
-                }
-            }
-        }
-
-        private static void AddBeforeBranch(BasicBlock block, INode node)
-        {
-            INode lastOp = block.GetLastOp();
-
-            if (lastOp is Operation operation && IsControlFlowInst(operation.Inst))
-            {
-                block.Operations.AddBefore(block.Operations.Last, node);
-            }
-            else
-            {
-                block.Operations.AddLast(node);
-            }
-        }
-
-        private static bool IsControlFlowInst(Instruction inst)
-        {
-            switch (inst)
-            {
-                case Instruction.Branch:
-                case Instruction.BranchIfFalse:
-                case Instruction.BranchIfTrue:
-                case Instruction.Discard:
-                case Instruction.Return:
-                    return true;
-            }
-
-            return false;
-        }
-    }
-}
\ No newline at end of file