shader_recompiler: add SSA

src/graphics/shader/recompiler/ir/opcodes/Opcodes.h

@@ -0,0 +1,71 @@
+#pragma once
+
+#include "graphics/shader/recompiler/ir/Type.h"
+
+#include <array>
+#include <cstddef>
+#include <string_view>
+
+namespace Libs::Graphics::ShaderRecompiler::IR {
+
+enum class Opcode {
+#define IR_OPCODE(name, category, lowering, ...) name,
+#include "graphics/shader/recompiler/ir/opcodes/ShaderIROpcodes.inc"
+#undef IR_OPCODE
+	Count,
+};
+
+enum class OpcodeClass { General, Compare, Compare64 };
+enum class LoweringClass {
+	Control,
+	Move,
+	Lane,
+	State,
+	Memory,
+	Attribute,
+	IntegerCompare,
+	Integer16Compare,
+	FloatCompare,
+	Conversion,
+	Integer16,
+	PackedInteger16,
+	PackedFloat16,
+	Float16,
+	Float,
+	U64Mask,
+	SimpleInteger,
+	ComposedInteger,
+	ExtendedInteger,
+};
+
+struct OpcodeInfo {
+	std::string_view name;
+	OpcodeClass      opcode_class   = OpcodeClass::General;
+	LoweringClass    lowering_class = LoweringClass::Control;
+};
+
+inline constexpr OpcodeInfo OPCODE_INFO[] = {
+#define IR_OPCODE(name, category, lowering, ...)                                                   \
+	{#name, OpcodeClass::category, LoweringClass::lowering},
+#include "graphics/shader/recompiler/ir/opcodes/ShaderIROpcodes.inc"
+#undef IR_OPCODE
+};
+static_assert(std::size(OPCODE_INFO) == static_cast<size_t>(Opcode::Count));
+
+constexpr const OpcodeInfo& GetOpcodeInfo(Opcode opcode) {
+	return OPCODE_INFO[static_cast<size_t>(opcode)];
+}
+
+constexpr std::string_view OpcodeName(Opcode opcode) {
+	return GetOpcodeInfo(opcode).name;
+}
+
+constexpr bool IsCompareOpcode(Opcode opcode) {
+	return GetOpcodeInfo(opcode).opcode_class != OpcodeClass::General;
+}
+
+constexpr bool IsCompare64Opcode(Opcode opcode) {
+	return GetOpcodeInfo(opcode).opcode_class == OpcodeClass::Compare64;
+}
+
+} // namespace Libs::Graphics::ShaderRecompiler::IR