shader: Initial recompiler work

src/shader_recompiler/frontend/ir/flow_test.h

@@ -0,0 +1,61 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <string>
+
+#include <fmt/format.h>
+
+namespace Shader::IR {
+
+enum class FlowTest {
+    F,
+    LT,
+    EQ,
+    LE,
+    GT,
+    NE,
+    GE,
+    NUM,
+    NaN,
+    LTU,
+    EQU,
+    LEU,
+    GTU,
+    NEU,
+    GEU,
+    T,
+    OFF,
+    LO,
+    SFF,
+    LS,
+    HI,
+    SFT,
+    HS,
+    OFT,
+    CSM_TA,
+    CSM_TR,
+    CSM_MX,
+    FCSM_TA,
+    FCSM_TR,
+    FCSM_MX,
+    RLE,
+    RGT,
+};
+
+[[nodiscard]] std::string NameOf(FlowTest flow_test);
+
+} // namespace Shader::IR
+
+template <>
+struct fmt::formatter<Shader::IR::FlowTest> {
+    constexpr auto parse(format_parse_context& ctx) {
+        return ctx.begin();
+    }
+    template <typename FormatContext>
+    auto format(const Shader::IR::FlowTest& flow_test, FormatContext& ctx) {
+        return fmt::format_to(ctx.out(), "{}", Shader::IR::NameOf(flow_test));
+    }
+};