Move solution and projects to src

8 files changed, 1786 insertions, 0 deletions

diff --git a/src/Ryujinx.Graphics.Shader/Translation/Optimizations/BindlessElimination.cs b/src/Ryujinx.Graphics.Shader/Translation/Optimizations/BindlessElimination.cs
new file mode 100644
index 00000000..0c196c4d
--- /dev/null
+++ b/src/Ryujinx.Graphics.Shader/Translation/Optimizations/BindlessElimination.cs
@@ -0,0 +1,263 @@
+using Ryujinx.Graphics.Shader.Instructions;
+using Ryujinx.Graphics.Shader.IntermediateRepresentation;
+using System.Collections.Generic;
+
+namespace Ryujinx.Graphics.Shader.Translation.Optimizations
+{
+    class BindlessElimination
+    {
+        public static void RunPass(BasicBlock block, ShaderConfig config)
+        {
+            // We can turn a bindless into regular access by recognizing the pattern
+            // produced by the compiler for separate texture and sampler.
+            // We check for the following conditions:
+            // - The handle is a constant buffer value.
+            // - The handle is the result of a bitwise OR logical operation.
+            // - Both sources of the OR operation comes from a constant buffer.
+            for (LinkedListNode<INode> node = block.Operations.First; node != null; node = node.Next)
+            {
+                if (!(node.Value is TextureOperation texOp))
+                {
+                    continue;
+                }
+
+                if ((texOp.Flags & TextureFlags.Bindless) == 0)
+                {
+                    continue;
+                }
+
+                if (texOp.Inst == Instruction.Lod ||
+                    texOp.Inst == Instruction.TextureSample ||
+                    texOp.Inst == Instruction.TextureSize)
+                {
+                    Operand bindlessHandle = Utils.FindLastOperation(texOp.GetSource(0), block);
+
+                    // Some instructions do not encode an accurate sampler type:
+                    // - Most instructions uses the same type for 1D and Buffer.
+                    // - Query instructions may not have any type.
+                    // For those cases, we need to try getting the type from current GPU state,
+                    // as long bindless elimination is successful and we know where the texture descriptor is located.
+                    bool rewriteSamplerType =
+                        texOp.Type == SamplerType.TextureBuffer ||
+                        texOp.Inst == Instruction.TextureSize;
+
+                    if (bindlessHandle.Type == OperandType.ConstantBuffer)
+                    {
+                        SetHandle(config, texOp, bindlessHandle.GetCbufOffset(), bindlessHandle.GetCbufSlot(), rewriteSamplerType, isImage: false);
+                        continue;
+                    }
+
+                    if (!(bindlessHandle.AsgOp is Operation handleCombineOp))
+                    {
+                        continue;
+                    }
+
+                    if (handleCombineOp.Inst != Instruction.BitwiseOr)
+                    {
+                        continue;
+                    }
+
+                    Operand src0 = Utils.FindLastOperation(handleCombineOp.GetSource(0), block);
+                    Operand src1 = Utils.FindLastOperation(handleCombineOp.GetSource(1), block);
+
+                    // For cases where we have a constant, ensure that the constant is always
+                    // the second operand.
+                    // Since this is a commutative operation, both are fine,
+                    // and having a "canonical" representation simplifies some checks below.
+                    if (src0.Type == OperandType.Constant && src1.Type != OperandType.Constant)
+                    {
+                        Operand temp = src1;
+                        src1 = src0;
+                        src0 = temp;
+                    }
+
+                    TextureHandleType handleType = TextureHandleType.SeparateSamplerHandle;
+
+                    // Try to match the following patterns:
+                    // Masked pattern:
+                    //  - samplerHandle = samplerHandle & 0xFFF00000;
+                    //  - textureHandle = textureHandle & 0xFFFFF;
+                    //  - combinedHandle = samplerHandle | textureHandle;
+                    //  Where samplerHandle and textureHandle comes from a constant buffer.
+                    // Shifted pattern:
+                    //  - samplerHandle = samplerId << 20;
+                    //  - combinedHandle = samplerHandle | textureHandle;
+                    //  Where samplerId and textureHandle comes from a constant buffer.
+                    // Constant pattern:
+                    //  - combinedHandle = samplerHandleConstant | textureHandle;
+                    //  Where samplerHandleConstant is a constant value, and textureHandle comes from a constant buffer.
+                    if (src0.AsgOp is Operation src0AsgOp)
+                    {
+                        if (src1.AsgOp is Operation src1AsgOp &&
+                            src0AsgOp.Inst == Instruction.BitwiseAnd &&
+                            src1AsgOp.Inst == Instruction.BitwiseAnd)
+                        {
+                            src0 = GetSourceForMaskedHandle(src0AsgOp, 0xFFFFF);
+                            src1 = GetSourceForMaskedHandle(src1AsgOp, 0xFFF00000);
+
+                            // The OR operation is commutative, so we can also try to swap the operands to get a match.
+                            if (src0 == null || src1 == null)
+                            {
+                                src0 = GetSourceForMaskedHandle(src1AsgOp, 0xFFFFF);
+                                src1 = GetSourceForMaskedHandle(src0AsgOp, 0xFFF00000);
+                            }
+
+                            if (src0 == null || src1 == null)
+                            {
+                                continue;
+                            }
+                        }
+                        else if (src0AsgOp.Inst == Instruction.ShiftLeft)
+                        {
+                            Operand shift = src0AsgOp.GetSource(1);
+
+                            if (shift.Type == OperandType.Constant && shift.Value == 20)
+                            {
+                                src0 = src1;
+                                src1 = src0AsgOp.GetSource(0);
+                                handleType = TextureHandleType.SeparateSamplerId;
+                            }
+                        }
+                    }
+                    else if (src1.AsgOp is Operation src1AsgOp && src1AsgOp.Inst == Instruction.ShiftLeft)
+                    {
+                        Operand shift = src1AsgOp.GetSource(1);
+
+                        if (shift.Type == OperandType.Constant && shift.Value == 20)
+                        {
+                            src1 = src1AsgOp.GetSource(0);
+                            handleType = TextureHandleType.SeparateSamplerId;
+                        }
+                    }
+                    else if (src1.Type == OperandType.Constant && (src1.Value & 0xfffff) == 0)
+                    {
+                        handleType = TextureHandleType.SeparateConstantSamplerHandle;
+                    }
+
+                    if (src0.Type != OperandType.ConstantBuffer)
+                    {
+                        continue;
+                    }
+
+                    if (handleType == TextureHandleType.SeparateConstantSamplerHandle)
+                    {
+                        SetHandle(
+                            config,
+                            texOp,
+                            TextureHandle.PackOffsets(src0.GetCbufOffset(), ((src1.Value >> 20) & 0xfff), handleType),
+                            TextureHandle.PackSlots(src0.GetCbufSlot(), 0),
+                            rewriteSamplerType,
+                            isImage: false);
+                    }
+                    else if (src1.Type == OperandType.ConstantBuffer)
+                    {
+                        SetHandle(
+                            config,
+                            texOp,
+                            TextureHandle.PackOffsets(src0.GetCbufOffset(), src1.GetCbufOffset(), handleType),
+                            TextureHandle.PackSlots(src0.GetCbufSlot(), src1.GetCbufSlot()),
+                            rewriteSamplerType,
+                            isImage: false);
+                    }
+                }
+                else if (texOp.Inst == Instruction.ImageLoad ||
+                         texOp.Inst == Instruction.ImageStore ||
+                         texOp.Inst == Instruction.ImageAtomic)
+                {
+                    Operand src0 = Utils.FindLastOperation(texOp.GetSource(0), block);
+
+                    if (src0.Type == OperandType.ConstantBuffer)
+                    {
+                        int cbufOffset = src0.GetCbufOffset();
+                        int cbufSlot = src0.GetCbufSlot();
+
+                        if (texOp.Format == TextureFormat.Unknown)
+                        {
+                            if (texOp.Inst == Instruction.ImageAtomic)
+                            {
+                                texOp.Format = config.GetTextureFormatAtomic(cbufOffset, cbufSlot);
+                            }
+                            else
+                            {
+                                texOp.Format = config.GetTextureFormat(cbufOffset, cbufSlot);
+                            }
+                        }
+
+                        bool rewriteSamplerType = texOp.Type == SamplerType.TextureBuffer;
+
+                        SetHandle(config, texOp, cbufOffset, cbufSlot, rewriteSamplerType, isImage: true);
+                    }
+                }
+            }
+        }
+
+        private static Operand GetSourceForMaskedHandle(Operation asgOp, uint mask)
+        {
+            // Assume it was already checked that the operation is bitwise AND.
+            Operand src0 = asgOp.GetSource(0);
+            Operand src1 = asgOp.GetSource(1);
+
+            if (src0.Type == OperandType.ConstantBuffer && src1.Type == OperandType.ConstantBuffer)
+            {
+                // We can't check if the mask matches here as both operands are from a constant buffer.
+                // Be optimistic and assume it matches. Avoid constant buffer 1 as official drivers
+                // uses this one to store compiler constants.
+                return src0.GetCbufSlot() == 1 ? src1 : src0;
+            }
+            else if (src0.Type == OperandType.ConstantBuffer && src1.Type == OperandType.Constant)
+            {
+                if ((uint)src1.Value == mask)
+                {
+                    return src0;
+                }
+            }
+            else if (src0.Type == OperandType.Constant && src1.Type == OperandType.ConstantBuffer)
+            {
+                if ((uint)src0.Value == mask)
+                {
+                    return src1;
+                }
+            }
+
+            return null;
+        }
+
+        private static void SetHandle(ShaderConfig config, TextureOperation texOp, int cbufOffset, int cbufSlot, bool rewriteSamplerType, bool isImage)
+        {
+            texOp.SetHandle(cbufOffset, cbufSlot);
+
+            if (rewriteSamplerType)
+            {
+                SamplerType newType = config.GpuAccessor.QuerySamplerType(cbufOffset, cbufSlot);
+
+                if (texOp.Inst.IsTextureQuery())
+                {
+                    texOp.Type = newType;
+                }
+                else if (texOp.Type == SamplerType.TextureBuffer && newType == SamplerType.Texture1D)
+                {
+                    int coordsCount = 1;
+
+                    if (InstEmit.Sample1DAs2D)
+                    {
+                        newType = SamplerType.Texture2D;
+                        texOp.InsertSource(coordsCount++, OperandHelper.Const(0));
+                    }
+
+                    if (!isImage &&
+                        (texOp.Flags & TextureFlags.IntCoords) != 0 &&
+                        (texOp.Flags & TextureFlags.LodLevel) == 0)
+                    {
+                        // IntCoords textures must always have explicit LOD.
+                        texOp.SetLodLevelFlag();
+                        texOp.InsertSource(coordsCount, OperandHelper.Const(0));
+                    }
+
+                    texOp.Type = newType;
+                }
+            }
+
+            config.SetUsedTexture(texOp.Inst, texOp.Type, texOp.Format, texOp.Flags, cbufSlot, cbufOffset);
+        }
+    }
+}
diff --git a/src/Ryujinx.Graphics.Shader/Translation/Optimizations/BindlessToIndexed.cs b/src/Ryujinx.Graphics.Shader/Translation/Optimizations/BindlessToIndexed.cs
new file mode 100644
index 00000000..ca46a1f5
--- /dev/null
+++ b/src/Ryujinx.Graphics.Shader/Translation/Optimizations/BindlessToIndexed.cs
@@ -0,0 +1,85 @@
+using Ryujinx.Graphics.Shader.IntermediateRepresentation;
+using System.Collections.Generic;
+
+using static Ryujinx.Graphics.Shader.IntermediateRepresentation.OperandHelper;
+
+namespace Ryujinx.Graphics.Shader.Translation.Optimizations
+{
+    static class BindlessToIndexed
+    {
+        public static void RunPass(BasicBlock block, ShaderConfig config)
+        {
+            // We can turn a bindless texture access into a indexed access,
+            // as long the following conditions are true:
+            // - The handle is loaded using a LDC instruction.
+            // - The handle is loaded from the constant buffer with the handles (CB2 for NVN).
+            // - The load has a constant offset.
+            // The base offset of the array of handles on the constant buffer is the constant offset.
+            for (LinkedListNode<INode> node = block.Operations.First; node != null; node = node.Next)
+            {
+                if (!(node.Value is TextureOperation texOp))
+                {
+                    continue;
+                }
+
+                if ((texOp.Flags & TextureFlags.Bindless) == 0)
+                {
+                    continue;
+                }
+
+                if (!(texOp.GetSource(0).AsgOp is Operation handleAsgOp))
+                {
+                    continue;
+                }
+
+                if (handleAsgOp.Inst != Instruction.LoadConstant)
+                {
+                    continue;
+                }
+
+                Operand ldcSrc0 = handleAsgOp.GetSource(0);
+                Operand ldcSrc1 = handleAsgOp.GetSource(1);
+
+                if (ldcSrc0.Type != OperandType.Constant || ldcSrc0.Value != 2)
+                {
+                    continue;
+                }
+
+                if (!(ldcSrc1.AsgOp is Operation shrOp) || shrOp.Inst != Instruction.ShiftRightU32)
+                {
+                    continue;
+                }
+
+                if (!(shrOp.GetSource(0).AsgOp is Operation addOp) || addOp.Inst != Instruction.Add)
+                {
+                    continue;
+                }
+
+                Operand addSrc1 = addOp.GetSource(1);
+
+                if (addSrc1.Type != OperandType.Constant)
+                {
+                    continue;
+                }
+
+                TurnIntoIndexed(config, texOp, addSrc1.Value / 4);
+
+                Operand index = Local();
+
+                Operand source = addOp.GetSource(0);
+
+                Operation shrBy3 = new Operation(Instruction.ShiftRightU32, index, source, Const(3));
+
+                block.Operations.AddBefore(node, shrBy3);
+
+                texOp.SetSource(0, index);
+            }
+        }
+
+        private static void TurnIntoIndexed(ShaderConfig config, TextureOperation texOp, int handle)
+        {
+            texOp.TurnIntoIndexed(handle);
+            config.SetUsedTexture(texOp.Inst, texOp.Type, texOp.Format, texOp.Flags, texOp.CbufSlot, handle);
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/Ryujinx.Graphics.Shader/Translation/Optimizations/BranchElimination.cs b/src/Ryujinx.Graphics.Shader/Translation/Optimizations/BranchElimination.cs
new file mode 100644
index 00000000..c87d1474
--- /dev/null
+++ b/src/Ryujinx.Graphics.Shader/Translation/Optimizations/BranchElimination.cs
@@ -0,0 +1,64 @@
+using Ryujinx.Graphics.Shader.IntermediateRepresentation;
+using System;
+
+namespace Ryujinx.Graphics.Shader.Translation.Optimizations
+{
+    static class BranchElimination
+    {
+        public static bool RunPass(BasicBlock block)
+        {
+            if (block.HasBranch && IsRedundantBranch((Operation)block.GetLastOp(), Next(block)))
+            {
+                block.Branch = null;
+
+                return true;
+            }
+
+            return false;
+        }
+
+        private static bool IsRedundantBranch(Operation current, BasicBlock nextBlock)
+        {
+            // Here we check that:
+            // - The current block ends with a branch.
+            // - The next block only contains a branch.
+            // - The branch on the next block is unconditional.
+            // - Both branches are jumping to the same location.
+            // In this case, the branch on the current block can be removed,
+            // as the next block is going to jump to the same place anyway.
+            if (nextBlock == null)
+            {
+                return false;
+            }
+
+            if (!(nextBlock.Operations.First?.Value is Operation next))
+            {
+                return false;
+            }
+
+            if (next.Inst != Instruction.Branch)
+            {
+                return false;
+            }
+
+            return current.Dest == next.Dest;
+        }
+
+        private static BasicBlock Next(BasicBlock block)
+        {
+            block = block.Next;
+
+            while (block != null && block.Operations.Count == 0)
+            {
+                if (block.HasBranch)
+                {
+                    throw new InvalidOperationException("Found a bogus empty block that \"ends with a branch\".");
+                }
+
+                block = block.Next;
+            }
+
+            return block;
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/Ryujinx.Graphics.Shader/Translation/Optimizations/ConstantFolding.cs b/src/Ryujinx.Graphics.Shader/Translation/Optimizations/ConstantFolding.cs
new file mode 100644
index 00000000..6729f077
--- /dev/null
+++ b/src/Ryujinx.Graphics.Shader/Translation/Optimizations/ConstantFolding.cs
@@ -0,0 +1,346 @@
+using Ryujinx.Common.Utilities;
+using Ryujinx.Graphics.Shader.IntermediateRepresentation;
+using System;
+
+using static Ryujinx.Graphics.Shader.IntermediateRepresentation.OperandHelper;
+
+namespace Ryujinx.Graphics.Shader.Translation.Optimizations
+{
+    static class ConstantFolding
+    {
+        public static void RunPass(Operation operation)
+        {
+            if (!AreAllSourcesConstant(operation))
+            {
+                return;
+            }
+
+            switch (operation.Inst)
+            {
+                case Instruction.Add:
+                    EvaluateBinary(operation, (x, y) => x + y);
+                    break;
+
+                case Instruction.BitCount:
+                    EvaluateUnary(operation, (x) => BitCount(x));
+                    break;
+
+                case Instruction.BitwiseAnd:
+                    EvaluateBinary(operation, (x, y) => x & y);
+                    break;
+
+                case Instruction.BitwiseExclusiveOr:
+                    EvaluateBinary(operation, (x, y) => x ^ y);
+                    break;
+
+                case Instruction.BitwiseNot:
+                    EvaluateUnary(operation, (x) => ~x);
+                    break;
+
+                case Instruction.BitwiseOr:
+                    EvaluateBinary(operation, (x, y) => x | y);
+                    break;
+
+                case Instruction.BitfieldExtractS32:
+                    BitfieldExtractS32(operation);
+                    break;
+
+                case Instruction.BitfieldExtractU32:
+                    BitfieldExtractU32(operation);
+                    break;
+
+                case Instruction.Clamp:
+                    EvaluateTernary(operation, (x, y, z) => Math.Clamp(x, y, z));
+                    break;
+
+                case Instruction.ClampU32:
+                    EvaluateTernary(operation, (x, y, z) => (int)Math.Clamp((uint)x, (uint)y, (uint)z));
+                    break;
+
+                case Instruction.CompareEqual:
+                    EvaluateBinary(operation, (x, y) => x == y);
+                    break;
+
+                case Instruction.CompareGreater:
+                    EvaluateBinary(operation, (x, y) => x > y);
+                    break;
+
+                case Instruction.CompareGreaterOrEqual:
+                    EvaluateBinary(operation, (x, y) => x >= y);
+                    break;
+
+                case Instruction.CompareGreaterOrEqualU32:
+                    EvaluateBinary(operation, (x, y) => (uint)x >= (uint)y);
+                    break;
+
+                case Instruction.CompareGreaterU32:
+                    EvaluateBinary(operation, (x, y) => (uint)x > (uint)y);
+                    break;
+
+                case Instruction.CompareLess:
+                    EvaluateBinary(operation, (x, y) => x < y);
+                    break;
+
+                case Instruction.CompareLessOrEqual:
+                    EvaluateBinary(operation, (x, y) => x <= y);
+                    break;
+
+                case Instruction.CompareLessOrEqualU32:
+                    EvaluateBinary(operation, (x, y) => (uint)x <= (uint)y);
+                    break;
+
+                case Instruction.CompareLessU32:
+                    EvaluateBinary(operation, (x, y) => (uint)x < (uint)y);
+                    break;
+
+                case Instruction.CompareNotEqual:
+                    EvaluateBinary(operation, (x, y) => x != y);
+                    break;
+
+                case Instruction.Divide:
+                    EvaluateBinary(operation, (x, y) => y != 0 ? x / y : 0);
+                    break;
+
+                case Instruction.FP32 | Instruction.Add:
+                    EvaluateFPBinary(operation, (x, y) => x + y);
+                    break;
+
+                case Instruction.FP32 | Instruction.Clamp:
+                    EvaluateFPTernary(operation, (x, y, z) => Math.Clamp(x, y, z));
+                    break;
+
+                case Instruction.FP32 | Instruction.CompareEqual:
+                    EvaluateFPBinary(operation, (x, y) => x == y);
+                    break;
+
+                case Instruction.FP32 | Instruction.CompareGreater:
+                    EvaluateFPBinary(operation, (x, y) => x > y);
+                    break;
+
+                case Instruction.FP32 | Instruction.CompareGreaterOrEqual:
+                    EvaluateFPBinary(operation, (x, y) => x >= y);
+                    break;
+
+                case Instruction.FP32 | Instruction.CompareLess:
+                    EvaluateFPBinary(operation, (x, y) => x < y);
+                    break;
+
+                case Instruction.FP32 | Instruction.CompareLessOrEqual:
+                    EvaluateFPBinary(operation, (x, y) => x <= y);
+                    break;
+
+                case Instruction.FP32 | Instruction.CompareNotEqual:
+                    EvaluateFPBinary(operation, (x, y) => x != y);
+                    break;
+
+                case Instruction.FP32 | Instruction.Divide:
+                    EvaluateFPBinary(operation, (x, y) => x / y);
+                    break;
+
+                case Instruction.FP32 | Instruction.Multiply:
+                    EvaluateFPBinary(operation, (x, y) => x * y);
+                    break;
+
+                case Instruction.FP32 | Instruction.Negate:
+                    EvaluateFPUnary(operation, (x) => -x);
+                    break;
+
+                case Instruction.FP32 | Instruction.Subtract:
+                    EvaluateFPBinary(operation, (x, y) => x - y);
+                    break;
+
+                case Instruction.IsNan:
+                    EvaluateFPUnary(operation, (x) => float.IsNaN(x));
+                    break;
+
+                case Instruction.LoadConstant:
+                    operation.TurnIntoCopy(Cbuf(operation.GetSource(0).Value, operation.GetSource(1).Value));
+                    break;
+
+                case Instruction.Maximum:
+                    EvaluateBinary(operation, (x, y) => Math.Max(x, y));
+                    break;
+
+                case Instruction.MaximumU32:
+                    EvaluateBinary(operation, (x, y) => (int)Math.Max((uint)x, (uint)y));
+                    break;
+
+                case Instruction.Minimum:
+                    EvaluateBinary(operation, (x, y) => Math.Min(x, y));
+                    break;
+
+                case Instruction.MinimumU32:
+                    EvaluateBinary(operation, (x, y) => (int)Math.Min((uint)x, (uint)y));
+                    break;
+
+                case Instruction.Multiply:
+                    EvaluateBinary(operation, (x, y) => x * y);
+                    break;
+
+                case Instruction.Negate:
+                    EvaluateUnary(operation, (x) => -x);
+                    break;
+
+                case Instruction.ShiftLeft:
+                    EvaluateBinary(operation, (x, y) => x << y);
+                    break;
+
+                case Instruction.ShiftRightS32:
+                    EvaluateBinary(operation, (x, y) => x >> y);
+                    break;
+
+                case Instruction.ShiftRightU32:
+                    EvaluateBinary(operation, (x, y) => (int)((uint)x >> y));
+                    break;
+
+                case Instruction.Subtract:
+                    EvaluateBinary(operation, (x, y) => x - y);
+                    break;
+
+                case Instruction.UnpackHalf2x16:
+                    UnpackHalf2x16(operation);
+                    break;
+            }
+        }
+
+        private static bool AreAllSourcesConstant(Operation operation)
+        {
+            for (int index = 0; index < operation.SourcesCount; index++)
+            {
+                if (operation.GetSource(index).Type != OperandType.Constant)
+                {
+                    return false;
+                }
+            }
+
+            return true;
+        }
+
+        private static int BitCount(int value)
+        {
+            int count = 0;
+
+            for (int bit = 0; bit < 32; bit++)
+            {
+                if (value.Extract(bit))
+                {
+                    count++;
+                }
+            }
+
+            return count;
+        }
+
+        private static void BitfieldExtractS32(Operation operation)
+        {
+            int value = GetBitfieldExtractValue(operation);
+
+            int shift = 32 - operation.GetSource(2).Value;
+
+            value = (value << shift) >> shift;
+
+            operation.TurnIntoCopy(Const(value));
+        }
+
+        private static void BitfieldExtractU32(Operation operation)
+        {
+            operation.TurnIntoCopy(Const(GetBitfieldExtractValue(operation)));
+        }
+
+        private static int GetBitfieldExtractValue(Operation operation)
+        {
+            int value  = operation.GetSource(0).Value;
+            int lsb    = operation.GetSource(1).Value;
+            int length = operation.GetSource(2).Value;
+
+            return value.Extract(lsb, length);
+        }
+
+        private static void UnpackHalf2x16(Operation operation)
+        {
+            int value = operation.GetSource(0).Value;
+
+            value = (value >> operation.Index * 16) & 0xffff;
+
+            operation.TurnIntoCopy(ConstF((float)BitConverter.UInt16BitsToHalf((ushort)value)));
+        }
+
+        private static void FPNegate(Operation operation)
+        {
+            float value = operation.GetSource(0).AsFloat();
+
+            operation.TurnIntoCopy(ConstF(-value));
+        }
+
+        private static void EvaluateUnary(Operation operation, Func<int, int> op)
+        {
+            int x = operation.GetSource(0).Value;
+
+            operation.TurnIntoCopy(Const(op(x)));
+        }
+
+        private static void EvaluateFPUnary(Operation operation, Func<float, float> op)
+        {
+            float x = operation.GetSource(0).AsFloat();
+
+            operation.TurnIntoCopy(ConstF(op(x)));
+        }
+
+        private static void EvaluateFPUnary(Operation operation, Func<float, bool> op)
+        {
+            float x = operation.GetSource(0).AsFloat();
+
+            operation.TurnIntoCopy(Const(op(x) ? IrConsts.True : IrConsts.False));
+        }
+
+        private static void EvaluateBinary(Operation operation, Func<int, int, int> op)
+        {
+            int x = operation.GetSource(0).Value;
+            int y = operation.GetSource(1).Value;
+
+            operation.TurnIntoCopy(Const(op(x, y)));
+        }
+
+        private static void EvaluateBinary(Operation operation, Func<int, int, bool> op)
+        {
+            int x = operation.GetSource(0).Value;
+            int y = operation.GetSource(1).Value;
+
+            operation.TurnIntoCopy(Const(op(x, y) ? IrConsts.True : IrConsts.False));
+        }
+
+        private static void EvaluateFPBinary(Operation operation, Func<float, float, float> op)
+        {
+            float x = operation.GetSource(0).AsFloat();
+            float y = operation.GetSource(1).AsFloat();
+
+            operation.TurnIntoCopy(ConstF(op(x, y)));
+        }
+
+        private static void EvaluateFPBinary(Operation operation, Func<float, float, bool> op)
+        {
+            float x = operation.GetSource(0).AsFloat();
+            float y = operation.GetSource(1).AsFloat();
+
+            operation.TurnIntoCopy(Const(op(x, y) ? IrConsts.True : IrConsts.False));
+        }
+
+        private static void EvaluateTernary(Operation operation, Func<int, int, int, int> op)
+        {
+            int x = operation.GetSource(0).Value;
+            int y = operation.GetSource(1).Value;
+            int z = operation.GetSource(2).Value;
+
+            operation.TurnIntoCopy(Const(op(x, y, z)));
+        }
+
+        private static void EvaluateFPTernary(Operation operation, Func<float, float, float, float> op)
+        {
+            float x = operation.GetSource(0).AsFloat();
+            float y = operation.GetSource(1).AsFloat();
+            float z = operation.GetSource(2).AsFloat();
+
+            operation.TurnIntoCopy(ConstF(op(x, y, z)));
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/Ryujinx.Graphics.Shader/Translation/Optimizations/GlobalToStorage.cs b/src/Ryujinx.Graphics.Shader/Translation/Optimizations/GlobalToStorage.cs
new file mode 100644
index 00000000..2a4070e0
--- /dev/null
+++ b/src/Ryujinx.Graphics.Shader/Translation/Optimizations/GlobalToStorage.cs
@@ -0,0 +1,433 @@
+using Ryujinx.Graphics.Shader.IntermediateRepresentation;
+using System.Collections.Generic;
+
+using static Ryujinx.Graphics.Shader.IntermediateRepresentation.OperandHelper;
+using static Ryujinx.Graphics.Shader.Translation.GlobalMemory;
+
+namespace Ryujinx.Graphics.Shader.Translation.Optimizations
+{
+    static class GlobalToStorage
+    {
+        public static void RunPass(BasicBlock block, ShaderConfig config, ref int sbUseMask, ref int ubeUseMask)
+        {
+            int sbStart = GetStorageBaseCbOffset(config.Stage);
+            int sbEnd = sbStart + StorageDescsSize;
+
+            int ubeStart = UbeBaseOffset;
+            int ubeEnd = UbeBaseOffset + UbeDescsSize;
+
+            for (LinkedListNode<INode> node = block.Operations.First; node != null; node = node.Next)
+            {
+                for (int index = 0; index < node.Value.SourcesCount; index++)
+                {
+                    Operand src = node.Value.GetSource(index);
+
+                    int storageIndex = GetStorageIndex(src, sbStart, sbEnd);
+
+                    if (storageIndex >= 0)
+                    {
+                        sbUseMask |= 1 << storageIndex;
+                    }
+
+                    if (config.Stage == ShaderStage.Compute)
+                    {
+                        int constantIndex = GetStorageIndex(src, ubeStart, ubeEnd);
+
+                        if (constantIndex >= 0)
+                        {
+                            ubeUseMask |= 1 << constantIndex;
+                        }
+                    }
+                }
+
+                if (!(node.Value is Operation operation))
+                {
+                    continue;
+                }
+
+                if (UsesGlobalMemory(operation.Inst, operation.StorageKind))
+                {
+                    Operand source = operation.GetSource(0);
+
+                    int storageIndex = SearchForStorageBase(block, source, sbStart, sbEnd);
+
+                    if (storageIndex >= 0)
+                    {
+                        // Storage buffers are implemented using global memory access.
+                        // If we know from where the base address of the access is loaded,
+                        // we can guess which storage buffer it is accessing.
+                        // We can then replace the global memory access with a storage
+                        // buffer access.
+                        node = ReplaceGlobalWithStorage(block, node, config, storageIndex);
+                    }
+                    else if (config.Stage == ShaderStage.Compute && operation.Inst == Instruction.LoadGlobal)
+                    {
+                        // Here we effectively try to replace a LDG instruction with LDC.
+                        // The hardware only supports a limited amount of constant buffers
+                        // so NVN "emulates" more constant buffers using global memory access.
+                        // Here we try to replace the global access back to a constant buffer
+                        // load.
+                        storageIndex = SearchForStorageBase(block, source, ubeStart, ubeStart + ubeEnd);
+
+                        if (storageIndex >= 0)
+                        {
+                            node = ReplaceLdgWithLdc(node, config, storageIndex);
+                        }
+                    }
+                }
+            }
+
+            config.SetAccessibleBufferMasks(sbUseMask, ubeUseMask);
+        }
+
+        private static LinkedListNode<INode> ReplaceGlobalWithStorage(BasicBlock block, LinkedListNode<INode> node, ShaderConfig config, int storageIndex)
+        {
+            Operation operation = (Operation)node.Value;
+
+            bool isAtomic = operation.Inst.IsAtomic();
+            bool isStg16Or8 = operation.Inst == Instruction.StoreGlobal16 || operation.Inst == Instruction.StoreGlobal8;
+            bool isWrite = isAtomic || operation.Inst == Instruction.StoreGlobal || isStg16Or8;
+
+            config.SetUsedStorageBuffer(storageIndex, isWrite);
+
+            Operand[] sources = new Operand[operation.SourcesCount];
+
+            sources[0] = Const(storageIndex);
+            sources[1] = GetStorageOffset(block, node, config, storageIndex, operation.GetSource(0), isStg16Or8);
+
+            for (int index = 2; index < operation.SourcesCount; index++)
+            {
+                sources[index] = operation.GetSource(index);
+            }
+
+            Operation storageOp;
+
+            if (isAtomic)
+            {
+                storageOp = new Operation(operation.Inst, StorageKind.StorageBuffer, operation.Dest, sources);
+            }
+            else if (operation.Inst == Instruction.LoadGlobal)
+            {
+                storageOp = new Operation(Instruction.LoadStorage, operation.Dest, sources);
+            }
+            else
+            {
+                Instruction storeInst = operation.Inst switch
+                {
+                    Instruction.StoreGlobal16 => Instruction.StoreStorage16,
+                    Instruction.StoreGlobal8 => Instruction.StoreStorage8,
+                    _ => Instruction.StoreStorage
+                };
+
+                storageOp = new Operation(storeInst, null, sources);
+            }
+
+            for (int index = 0; index < operation.SourcesCount; index++)
+            {
+                operation.SetSource(index, null);
+            }
+
+            LinkedListNode<INode> oldNode = node;
+
+            node = node.List.AddBefore(node, storageOp);
+
+            node.List.Remove(oldNode);
+
+            return node;
+        }
+
+        private static Operand GetStorageOffset(
+            BasicBlock block,
+            LinkedListNode<INode> node,
+            ShaderConfig config,
+            int storageIndex,
+            Operand addrLow,
+            bool isStg16Or8)
+        {
+            int baseAddressCbOffset = GetStorageCbOffset(config.Stage, storageIndex);
+
+            bool storageAligned = !(config.GpuAccessor.QueryHasUnalignedStorageBuffer() || config.GpuAccessor.QueryHostStorageBufferOffsetAlignment() > Constants.StorageAlignment);
+
+            (Operand byteOffset, int constantOffset) = storageAligned ?
+                GetStorageOffset(block, Utils.FindLastOperation(addrLow, block), baseAddressCbOffset) :
+                (null, 0);
+
+            if (byteOffset != null)
+            {
+                ReplaceAddressAlignment(node.List, addrLow, byteOffset, constantOffset);
+            }
+
+            if (byteOffset == null)
+            {
+                Operand baseAddrLow = Cbuf(0, baseAddressCbOffset);
+                Operand baseAddrTrunc = Local();
+
+                Operand alignMask = Const(-config.GpuAccessor.QueryHostStorageBufferOffsetAlignment());
+
+                Operation andOp = new Operation(Instruction.BitwiseAnd, baseAddrTrunc, baseAddrLow, alignMask);
+
+                node.List.AddBefore(node, andOp);
+
+                Operand offset = Local();
+                Operation subOp = new Operation(Instruction.Subtract, offset, addrLow, baseAddrTrunc);
+
+                node.List.AddBefore(node, subOp);
+
+                byteOffset = offset;
+            }
+            else if (constantOffset != 0)
+            {
+                Operand offset = Local();
+                Operation addOp = new Operation(Instruction.Add, offset, byteOffset, Const(constantOffset));
+
+                node.List.AddBefore(node, addOp);
+
+                byteOffset = offset;
+            }
+
+            if (isStg16Or8)
+            {
+                return byteOffset;
+            }
+
+            Operand wordOffset = Local();
+            Operation shrOp = new Operation(Instruction.ShiftRightU32, wordOffset, byteOffset, Const(2));
+
+            node.List.AddBefore(node, shrOp);
+
+            return wordOffset;
+        }
+
+        private static bool IsCb0Offset(Operand operand, int offset)
+        {
+            return operand.Type == OperandType.ConstantBuffer && operand.GetCbufSlot() == 0 && operand.GetCbufOffset() == offset;
+        }
+
+        private static void ReplaceAddressAlignment(LinkedList<INode> list, Operand address, Operand byteOffset, int constantOffset)
+        {
+            // When we emit 16/8-bit LDG, we add extra code to determine the address alignment.
+            // Eliminate the storage buffer base address from this too, leaving only the byte offset.
+
+            foreach (INode useNode in address.UseOps)
+            {
+                if (useNode is Operation op && op.Inst == Instruction.BitwiseAnd)
+                {
+                    Operand src1 = op.GetSource(0);
+                    Operand src2 = op.GetSource(1);
+
+                    int addressIndex = -1;
+
+                    if (src1 == address && src2.Type == OperandType.Constant && src2.Value == 3)
+                    {
+                        addressIndex = 0;
+                    }
+                    else if (src2 == address && src1.Type == OperandType.Constant && src1.Value == 3)
+                    {
+                        addressIndex = 1;
+                    }
+
+                    if (addressIndex != -1)
+                    {
+                        LinkedListNode<INode> node = list.Find(op);
+
+                        // Add offset calculation before the use. Needs to be on the same block.
+                        if (node != null)
+                        {
+                            Operand offset = Local();
+                            Operation addOp = new Operation(Instruction.Add, offset, byteOffset, Const(constantOffset));
+                            list.AddBefore(node, addOp);
+
+                            op.SetSource(addressIndex, offset);
+                        }
+                    }
+                }
+            }
+        }
+
+        private static (Operand, int) GetStorageOffset(BasicBlock block, Operand address, int baseAddressCbOffset)
+        {
+            if (IsCb0Offset(address, baseAddressCbOffset))
+            {
+                // Direct offset: zero.
+                return (Const(0), 0);
+            }
+
+            (address, int constantOffset) = GetStorageConstantOffset(block, address);
+
+            address = Utils.FindLastOperation(address, block);
+
+            if (IsCb0Offset(address, baseAddressCbOffset))
+            {
+                // Only constant offset
+                return (Const(0), constantOffset);
+            }
+
+            if (!(address.AsgOp is Operation offsetAdd) || offsetAdd.Inst != Instruction.Add)
+            {
+                return (null, 0);
+            }
+
+            Operand src1 = offsetAdd.GetSource(0);
+            Operand src2 = Utils.FindLastOperation(offsetAdd.GetSource(1), block);
+
+            if (IsCb0Offset(src2, baseAddressCbOffset))
+            {
+                return (src1, constantOffset);
+            }
+            else if (IsCb0Offset(src1, baseAddressCbOffset))
+            {
+                return (src2, constantOffset);
+            }
+
+            return (null, 0);
+        }
+
+        private static (Operand, int) GetStorageConstantOffset(BasicBlock block, Operand address)
+        {
+            if (!(address.AsgOp is Operation offsetAdd) || offsetAdd.Inst != Instruction.Add)
+            {
+                return (address, 0);
+            }
+
+            Operand src1 = offsetAdd.GetSource(0);
+            Operand src2 = offsetAdd.GetSource(1);
+
+            if (src2.Type != OperandType.Constant)
+            {
+                return (address, 0);
+            }
+
+            return (src1, src2.Value);
+        }
+
+        private static LinkedListNode<INode> ReplaceLdgWithLdc(LinkedListNode<INode> node, ShaderConfig config, int storageIndex)
+        {
+            Operation operation = (Operation)node.Value;
+
+            Operand GetCbufOffset()
+            {
+                Operand addrLow = operation.GetSource(0);
+
+                Operand baseAddrLow = Cbuf(0, UbeBaseOffset + storageIndex * StorageDescSize);
+
+                Operand baseAddrTrunc = Local();
+
+                Operand alignMask = Const(-config.GpuAccessor.QueryHostStorageBufferOffsetAlignment());
+
+                Operation andOp = new Operation(Instruction.BitwiseAnd, baseAddrTrunc, baseAddrLow, alignMask);
+
+                node.List.AddBefore(node, andOp);
+
+                Operand byteOffset = Local();
+                Operand wordOffset = Local();
+
+                Operation subOp = new Operation(Instruction.Subtract, byteOffset, addrLow, baseAddrTrunc);
+                Operation shrOp = new Operation(Instruction.ShiftRightU32, wordOffset, byteOffset, Const(2));
+
+                node.List.AddBefore(node, subOp);
+                node.List.AddBefore(node, shrOp);
+
+                return wordOffset;
+            }
+
+            Operand[] sources = new Operand[operation.SourcesCount];
+
+            int cbSlot = UbeFirstCbuf + storageIndex;
+
+            sources[0] = Const(cbSlot);
+            sources[1] = GetCbufOffset();
+
+            config.SetUsedConstantBuffer(cbSlot);
+
+            for (int index = 2; index < operation.SourcesCount; index++)
+            {
+                sources[index] = operation.GetSource(index);
+            }
+
+            Operation ldcOp = new Operation(Instruction.LoadConstant, operation.Dest, sources);
+
+            for (int index = 0; index < operation.SourcesCount; index++)
+            {
+                operation.SetSource(index, null);
+            }
+
+            LinkedListNode<INode> oldNode = node;
+
+            node = node.List.AddBefore(node, ldcOp);
+
+            node.List.Remove(oldNode);
+
+            return node;
+        }
+
+        private static int SearchForStorageBase(BasicBlock block, Operand globalAddress, int sbStart, int sbEnd)
+        {
+            globalAddress = Utils.FindLastOperation(globalAddress, block);
+
+            if (globalAddress.Type == OperandType.ConstantBuffer)
+            {
+                return GetStorageIndex(globalAddress, sbStart, sbEnd);
+            }
+
+            Operation operation = globalAddress.AsgOp as Operation;
+
+            if (operation == null || operation.Inst != Instruction.Add)
+            {
+                return -1;
+            }
+
+            Operand src1 = operation.GetSource(0);
+            Operand src2 = operation.GetSource(1);
+
+            if ((src1.Type == OperandType.LocalVariable && src2.Type == OperandType.Constant) ||
+                (src2.Type == OperandType.LocalVariable && src1.Type == OperandType.Constant))
+            {
+                if (src1.Type == OperandType.LocalVariable)
+                {
+                    operation = Utils.FindLastOperation(src1, block).AsgOp as Operation;
+                }
+                else
+                {
+                    operation = Utils.FindLastOperation(src2, block).AsgOp as Operation;
+                }
+
+                if (operation == null || operation.Inst != Instruction.Add)
+                {
+                    return -1;
+                }
+            }
+
+            for (int index = 0; index < operation.SourcesCount; index++)
+            {
+                Operand source = operation.GetSource(index);
+
+                int storageIndex = GetStorageIndex(source, sbStart, sbEnd);
+
+                if (storageIndex != -1)
+                {
+                    return storageIndex;
+                }
+            }
+
+            return -1;
+        }
+
+        private static int GetStorageIndex(Operand operand, int sbStart, int sbEnd)
+        {
+            if (operand.Type == OperandType.ConstantBuffer)
+            {
+                int slot = operand.GetCbufSlot();
+                int offset = operand.GetCbufOffset();
+
+                if (slot == 0 && offset >= sbStart && offset < sbEnd)
+                {
+                    int storageIndex = (offset - sbStart) / StorageDescSize;
+
+                    return storageIndex;
+                }
+            }
+
+            return -1;
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/Ryujinx.Graphics.Shader/Translation/Optimizations/Optimizer.cs b/src/Ryujinx.Graphics.Shader/Translation/Optimizations/Optimizer.cs
new file mode 100644
index 00000000..bae774ee
--- /dev/null
+++ b/src/Ryujinx.Graphics.Shader/Translation/Optimizations/Optimizer.cs
@@ -0,0 +1,380 @@
+using Ryujinx.Graphics.Shader.IntermediateRepresentation;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Linq;
+
+namespace Ryujinx.Graphics.Shader.Translation.Optimizations
+{
+    static class Optimizer
+    {
+        public static void RunPass(BasicBlock[] blocks, ShaderConfig config)
+        {
+            RunOptimizationPasses(blocks);
+
+            int sbUseMask = 0;
+            int ubeUseMask = 0;
+
+            // Those passes are looking for specific patterns and only needs to run once.
+            for (int blkIndex = 0; blkIndex < blocks.Length; blkIndex++)
+            {
+                GlobalToStorage.RunPass(blocks[blkIndex], config, ref sbUseMask, ref ubeUseMask);
+                BindlessToIndexed.RunPass(blocks[blkIndex], config);
+                BindlessElimination.RunPass(blocks[blkIndex], config);
+            }
+
+            config.SetAccessibleBufferMasks(sbUseMask, ubeUseMask);
+
+            // Run optimizations one last time to remove any code that is now optimizable after above passes.
+            RunOptimizationPasses(blocks);
+        }
+
+        private static void RunOptimizationPasses(BasicBlock[] blocks)
+        {
+            bool modified;
+
+            do
+            {
+                modified = false;
+
+                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;
+
+                        bool isUnused = IsUnused(node.Value);
+
+                        if (!(node.Value is Operation operation) || isUnused)
+                        {
+                            if (node.Value is PhiNode phi && !isUnused)
+                            {
+                                isUnused = PropagatePhi(phi);
+                            }
+
+                            if (isUnused)
+                            {
+                                RemoveNode(block, node);
+
+                                modified = true;
+                            }
+
+                            node = nextNode;
+
+                            continue;
+                        }
+
+                        ConstantFolding.RunPass(operation);
+
+                        Simplification.RunPass(operation);
+
+                        if (DestIsLocalVar(operation))
+                        {
+                            if (operation.Inst == Instruction.Copy)
+                            {
+                                PropagateCopy(operation);
+
+                                RemoveNode(block, node);
+
+                                modified = true;
+                            }
+                            else if ((operation.Inst == Instruction.PackHalf2x16 && PropagatePack(operation)) ||
+                                     (operation.Inst == Instruction.ShuffleXor   && MatchDdxOrDdy(operation)))
+                            {
+                                if (DestHasNoUses(operation))
+                                {
+                                    RemoveNode(block, node);
+                                }
+
+                                modified = true;
+                            }
+                        }
+
+                        node = nextNode;
+                    }
+
+                    if (BranchElimination.RunPass(block))
+                    {
+                        RemoveNode(block, block.Operations.Last);
+
+                        modified = true;
+                    }
+                }
+            }
+            while (modified);
+        }
+
+        private static void PropagateCopy(Operation copyOp)
+        {
+            // Propagate copy source operand to all uses of
+            // the destination operand.
+
+            Operand dest = copyOp.Dest;
+            Operand src  = copyOp.GetSource(0);
+
+            INode[] uses = dest.UseOps.ToArray();
+
+            foreach (INode useNode in uses)
+            {
+                for (int index = 0; index < useNode.SourcesCount; index++)
+                {
+                    if (useNode.GetSource(index) == dest)
+                    {
+                        useNode.SetSource(index, src);
+                    }
+                }
+            }
+        }
+
+        private static bool PropagatePhi(PhiNode phi)
+        {
+            // If all phi sources are the same, we can propagate it and remove the phi.
+
+            Operand firstSrc = phi.GetSource(0);
+
+            for (int index = 1; index < phi.SourcesCount; index++)
+            {
+                if (!IsSameOperand(firstSrc, phi.GetSource(index)))
+                {
+                    return false;
+                }
+            }
+
+            // All sources are equal, we can propagate the value.
+
+            Operand dest = phi.Dest;
+
+            INode[] uses = dest.UseOps.ToArray();
+
+            foreach (INode useNode in uses)
+            {
+                for (int index = 0; index < useNode.SourcesCount; index++)
+                {
+                    if (useNode.GetSource(index) == dest)
+                    {
+                        useNode.SetSource(index, firstSrc);
+                    }
+                }
+            }
+
+            return true;
+        }
+
+        private static bool IsSameOperand(Operand x, Operand y)
+        {
+            if (x.Type != y.Type || x.Value != y.Value)
+            {
+                return false;
+            }
+
+            // TODO: Handle Load operations with the same storage and the same constant parameters.
+            return x.Type == OperandType.Constant || x.Type == OperandType.ConstantBuffer;
+        }
+
+        private static bool PropagatePack(Operation packOp)
+        {
+            // Propagate pack source operands to uses by unpack
+            // instruction. The source depends on the unpack instruction.
+            bool modified = false;
+
+            Operand dest = packOp.Dest;
+            Operand src0 = packOp.GetSource(0);
+            Operand src1 = packOp.GetSource(1);
+
+            INode[] uses = dest.UseOps.ToArray();
+
+            foreach (INode useNode in uses)
+            {
+                if (!(useNode is Operation operation) || operation.Inst != Instruction.UnpackHalf2x16)
+                {
+                    continue;
+                }
+
+                if (operation.GetSource(0) == dest)
+                {
+                    operation.TurnIntoCopy(operation.Index == 1 ? src1 : src0);
+
+                    modified = true;
+                }
+            }
+
+            return modified;
+        }
+
+        public static bool MatchDdxOrDdy(Operation operation)
+        {
+            // It's assumed that "operation.Inst" is ShuffleXor,
+            // that should be checked before calling this method.
+            Debug.Assert(operation.Inst == Instruction.ShuffleXor);
+
+            bool modified = false;
+
+            Operand src2 = operation.GetSource(1);
+            Operand src3 = operation.GetSource(2);
+
+            if (src2.Type != OperandType.Constant || (src2.Value != 1 && src2.Value != 2))
+            {
+                return false;
+            }
+
+            if (src3.Type != OperandType.Constant || src3.Value != 0x1c03)
+            {
+                return false;
+            }
+
+            bool isDdy = src2.Value == 2;
+            bool isDdx = !isDdy;
+
+            // We can replace any use by a FSWZADD with DDX/DDY, when
+            // the following conditions are true:
+            // - The mask should be 0b10100101 for DDY, or 0b10011001 for DDX.
+            // - The first source operand must be the shuffle output.
+            // - The second source operand must be the shuffle first source operand.
+            INode[] uses = operation.Dest.UseOps.ToArray();
+
+            foreach (INode use in uses)
+            {
+                if (!(use is Operation test))
+                {
+                    continue;
+                }
+
+                if (!(use is Operation useOp) || useOp.Inst != Instruction.SwizzleAdd)
+                {
+                    continue;
+                }
+
+                Operand fswzaddSrc1 = useOp.GetSource(0);
+                Operand fswzaddSrc2 = useOp.GetSource(1);
+                Operand fswzaddSrc3 = useOp.GetSource(2);
+
+                if (fswzaddSrc1 != operation.Dest)
+                {
+                    continue;
+                }
+
+                if (fswzaddSrc2 != operation.GetSource(0))
+                {
+                    continue;
+                }
+
+                if (fswzaddSrc3.Type != OperandType.Constant)
+                {
+                    continue;
+                }
+
+                int mask = fswzaddSrc3.Value;
+
+                if ((isDdx && mask != 0b10011001) ||
+                    (isDdy && mask != 0b10100101))
+                {
+                    continue;
+                }
+
+                useOp.TurnInto(isDdx ? Instruction.Ddx : Instruction.Ddy, fswzaddSrc2);
+
+                modified = true;
+            }
+
+            return modified;
+        }
+
+        private static void RemoveNode(BasicBlock block, LinkedListNode<INode> llNode)
+        {
+            // Remove a node from the nodes list, and also remove itself
+            // from all the use lists on the operands that this node uses.
+            block.Operations.Remove(llNode);
+
+            Queue<INode> nodes = new Queue<INode>();
+
+            nodes.Enqueue(llNode.Value);
+
+            while (nodes.TryDequeue(out INode node))
+            {
+                for (int index = 0; index < node.SourcesCount; index++)
+                {
+                    Operand src = node.GetSource(index);
+
+                    if (src.Type != OperandType.LocalVariable)
+                    {
+                        continue;
+                    }
+
+                    if (src.UseOps.Remove(node) && src.UseOps.Count == 0)
+                    {
+                        Debug.Assert(src.AsgOp != null);
+                        nodes.Enqueue(src.AsgOp);
+                    }
+                }
+            }
+        }
+
+        private static bool IsUnused(INode node)
+        {
+            return !HasSideEffects(node) && DestIsLocalVar(node) && DestHasNoUses(node);
+        }
+
+        private static bool HasSideEffects(INode node)
+        {
+            if (node is Operation operation)
+            {
+                switch (operation.Inst & Instruction.Mask)
+                {
+                    case Instruction.AtomicAdd:
+                    case Instruction.AtomicAnd:
+                    case Instruction.AtomicCompareAndSwap:
+                    case Instruction.AtomicMaxS32:
+                    case Instruction.AtomicMaxU32:
+                    case Instruction.AtomicMinS32:
+                    case Instruction.AtomicMinU32:
+                    case Instruction.AtomicOr:
+                    case Instruction.AtomicSwap:
+                    case Instruction.AtomicXor:
+                    case Instruction.Call:
+                    case Instruction.ImageAtomic:
+                        return true;
+                }
+            }
+
+            return false;
+        }
+
+        private static bool DestIsLocalVar(INode node)
+        {
+            if (node.DestsCount == 0)
+            {
+                return false;
+            }
+
+            for (int index = 0; index < node.DestsCount; index++)
+            {
+                Operand dest = node.GetDest(index);
+
+                if (dest != null && dest.Type != OperandType.LocalVariable)
+                {
+                    return false;
+                }
+            }
+
+            return true;
+        }
+
+        private static bool DestHasNoUses(INode node)
+        {
+            for (int index = 0; index < node.DestsCount; index++)
+            {
+                Operand dest = node.GetDest(index);
+
+                if (dest != null && dest.UseOps.Count != 0)
+                {
+                    return false;
+                }
+            }
+
+            return true;
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/Ryujinx.Graphics.Shader/Translation/Optimizations/Simplification.cs b/src/Ryujinx.Graphics.Shader/Translation/Optimizations/Simplification.cs
new file mode 100644
index 00000000..8d05f99a
--- /dev/null
+++ b/src/Ryujinx.Graphics.Shader/Translation/Optimizations/Simplification.cs
@@ -0,0 +1,147 @@
+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 RunPass(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
diff --git a/src/Ryujinx.Graphics.Shader/Translation/Optimizations/Utils.cs b/src/Ryujinx.Graphics.Shader/Translation/Optimizations/Utils.cs
new file mode 100644
index 00000000..4ca6d687
--- /dev/null
+++ b/src/Ryujinx.Graphics.Shader/Translation/Optimizations/Utils.cs
@@ -0,0 +1,68 @@
+using Ryujinx.Graphics.Shader.IntermediateRepresentation;
+
+namespace Ryujinx.Graphics.Shader.Translation.Optimizations
+{
+    static class Utils
+    {
+        private static Operation FindBranchSource(BasicBlock block)
+        {
+            foreach (BasicBlock sourceBlock in block.Predecessors)
+            {
+                if (sourceBlock.Operations.Count > 0)
+                {
+                    if (sourceBlock.GetLastOp() is Operation lastOp && IsConditionalBranch(lastOp.Inst) && sourceBlock.Next == block)
+                    {
+                        return lastOp;
+                    }
+                }
+            }
+
+            return null;
+        }
+
+        private static bool IsConditionalBranch(Instruction inst)
+        {
+            return inst == Instruction.BranchIfFalse || inst == Instruction.BranchIfTrue;
+        }
+
+        private static bool BlockConditionsMatch(BasicBlock currentBlock, BasicBlock queryBlock)
+        {
+            // Check if all the conditions for the query block are satisfied by the current block.
+            // Just checks the top-most conditional for now.
+
+            Operation currentBranch = FindBranchSource(currentBlock);
+            Operation queryBranch = FindBranchSource(queryBlock);
+
+            Operand currentCondition = currentBranch?.GetSource(0);
+            Operand queryCondition = queryBranch?.GetSource(0);
+
+            // The condition should be the same operand instance.
+
+            return currentBranch != null && queryBranch != null &&
+                   currentBranch.Inst == queryBranch.Inst &&
+                   currentCondition == queryCondition;
+        }
+
+        public static Operand FindLastOperation(Operand source, BasicBlock block)
+        {
+            if (source.AsgOp is PhiNode phiNode)
+            {
+                // This source can have a different value depending on a previous branch.
+                // Ensure that conditions met for that branch are also met for the current one.
+                // Prefer the latest sources for the phi node.
+
+                for (int i = phiNode.SourcesCount - 1; i >= 0; i--)
+                {
+                    BasicBlock phiBlock = phiNode.GetBlock(i);
+
+                    if (BlockConditionsMatch(block, phiBlock))
+                    {
+                        return phiNode.GetSource(i);
+                    }
+                }
+            }
+
+            return source;
+        }
+    }
+}