shader: Initial recompiler work

src/shader_recompiler/frontend/ir/pred.h

@@ -0,0 +1,28 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <fmt/format.h>
+
+namespace Shader::IR {
+
+enum class Pred { P0, P1, P2, P3, P4, P5, P6, PT };
+
+} // namespace Shader::IR
+
+template <>
+struct fmt::formatter<Shader::IR::Pred> {
+    constexpr auto parse(format_parse_context& ctx) {
+        return ctx.begin();
+    }
+    template <typename FormatContext>
+    auto format(const Shader::IR::Pred& pred, FormatContext& ctx) {
+        if (pred == Shader::IR::Pred::PT) {
+            return fmt::format_to(ctx.out(), "PT");
+        } else {
+            return fmt::format_to(ctx.out(), "P{}", static_cast<int>(pred));
+        }
+    }
+};