Initial work

1 files changed, 0 insertions, 147 deletions

diff --git a/Ryujinx.Graphics/Shader/Translation/Optimizations/Simplification.cs b/Ryujinx.Graphics/Shader/Translation/Optimizations/Simplification.cs
deleted file mode 100644
index d6366dfe..00000000
--- a/Ryujinx.Graphics/Shader/Translation/Optimizations/Simplification.cs
+++ /dev/null
@@ -1,147 +0,0 @@
-using Ryujinx.Graphics.Shader.IntermediateRepresentation;
-
-using static Ryujinx.Graphics.Shader.IntermediateRepresentation.OperandHelper;
-
-namespace Ryujinx.Graphics.Shader.Translation.Optimizations
-{
-    static class Simplification
-    {
-        private const int AllOnes = ~0;
-
-        public static void Simplify(Operation operation)
-        {
-            switch (operation.Inst)
-            {
-                case Instruction.Add:
-                case Instruction.BitwiseExclusiveOr:
-                    TryEliminateBinaryOpCommutative(operation, 0);
-                    break;
-
-                case Instruction.BitwiseAnd:
-                    TryEliminateBitwiseAnd(operation);
-                    break;
-
-                case Instruction.BitwiseOr:
-                    TryEliminateBitwiseOr(operation);
-                    break;
-
-                case Instruction.ConditionalSelect:
-                    TryEliminateConditionalSelect(operation);
-                    break;
-
-                case Instruction.Divide:
-                    TryEliminateBinaryOpY(operation, 1);
-                    break;
-
-                case Instruction.Multiply:
-                    TryEliminateBinaryOpCommutative(operation, 1);
-                    break;
-
-                case Instruction.ShiftLeft:
-                case Instruction.ShiftRightS32:
-                case Instruction.ShiftRightU32:
-                case Instruction.Subtract:
-                    TryEliminateBinaryOpY(operation, 0);
-                    break;
-            }
-        }
-
-        private static void TryEliminateBitwiseAnd(Operation operation)
-        {
-            // Try to recognize and optimize those 3 patterns (in order):
-            // x & 0xFFFFFFFF == x,          0xFFFFFFFF & y == y,
-            // x & 0x00000000 == 0x00000000, 0x00000000 & y == 0x00000000
-            Operand x = operation.GetSource(0);
-            Operand y = operation.GetSource(1);
-
-            if (IsConstEqual(x, AllOnes))
-            {
-                operation.TurnIntoCopy(y);
-            }
-            else if (IsConstEqual(y, AllOnes))
-            {
-                operation.TurnIntoCopy(x);
-            }
-            else if (IsConstEqual(x, 0) || IsConstEqual(y, 0))
-            {
-                operation.TurnIntoCopy(Const(0));
-            }
-        }
-
-        private static void TryEliminateBitwiseOr(Operation operation)
-        {
-            // Try to recognize and optimize those 3 patterns (in order):
-            // x | 0x00000000 == x,          0x00000000 | y == y,
-            // x | 0xFFFFFFFF == 0xFFFFFFFF, 0xFFFFFFFF | y == 0xFFFFFFFF
-            Operand x = operation.GetSource(0);
-            Operand y = operation.GetSource(1);
-
-            if (IsConstEqual(x, 0))
-            {
-                operation.TurnIntoCopy(y);
-            }
-            else if (IsConstEqual(y, 0))
-            {
-                operation.TurnIntoCopy(x);
-            }
-            else if (IsConstEqual(x, AllOnes) || IsConstEqual(y, AllOnes))
-            {
-                operation.TurnIntoCopy(Const(AllOnes));
-            }
-        }
-
-        private static void TryEliminateBinaryOpY(Operation operation, int comparand)
-        {
-            Operand x = operation.GetSource(0);
-            Operand y = operation.GetSource(1);
-
-            if (IsConstEqual(y, comparand))
-            {
-                operation.TurnIntoCopy(x);
-            }
-        }
-
-        private static void TryEliminateBinaryOpCommutative(Operation operation, int comparand)
-        {
-            Operand x = operation.GetSource(0);
-            Operand y = operation.GetSource(1);
-
-            if (IsConstEqual(x, comparand))
-            {
-                operation.TurnIntoCopy(y);
-            }
-            else if (IsConstEqual(y, comparand))
-            {
-                operation.TurnIntoCopy(x);
-            }
-        }
-
-        private static void TryEliminateConditionalSelect(Operation operation)
-        {
-            Operand cond = operation.GetSource(0);
-
-            if (cond.Type != OperandType.Constant)
-            {
-                return;
-            }
-
-            // The condition is constant, we can turn it into a copy, and select
-            // the source based on the condition value.
-            int srcIndex = cond.Value != 0 ? 1 : 2;
-
-            Operand source = operation.GetSource(srcIndex);
-
-            operation.TurnIntoCopy(source);
-        }
-
-        private static bool IsConstEqual(Operand operand, int comparand)
-        {
-            if (operand.Type != OperandType.Constant)
-            {
-                return false;
-            }
-
-            return operand.Value == comparand;
-        }
-    }
-}
\ No newline at end of file