spirv: Initial bindings support

src/shader_recompiler/frontend/ir/basic_block.h

@@ -11,6 +11,7 @@
 
 #include <boost/intrusive/list.hpp>
 
+#include "common/bit_cast.h"
 #include "shader_recompiler/frontend/ir/condition.h"
 #include "shader_recompiler/frontend/ir/microinstruction.h"
 #include "shader_recompiler/frontend/ir/value.h"
@@ -68,6 +69,18 @@ public:
     /// Gets an immutable span to the immediate predecessors.
     [[nodiscard]] std::span<Block* const> ImmediatePredecessors() const noexcept;
 
+    /// Intrusively store the host definition of this instruction.
+    template <typename DefinitionType>
+    void SetDefinition(DefinitionType def) {
+        definition = Common::BitCast<u32>(def);
+    }
+
+    /// Return the intrusively stored host definition of this instruction.
+    template <typename DefinitionType>
+    [[nodiscard]] DefinitionType Definition() const noexcept {
+        return Common::BitCast<DefinitionType>(definition);
+    }
+
     [[nodiscard]] Condition BranchCondition() const noexcept {
         return branch_cond;
     }
@@ -161,6 +174,9 @@ private:
     Block* branch_false{nullptr};
     /// Block immediate predecessors
     std::vector<Block*> imm_predecessors;
+
+    /// Intrusively stored host definition of this block.
+    u32 definition{};
 };
 
 using BlockList = std::vector<Block*>;

src/shader_recompiler/frontend/ir/program.h

@@ -9,11 +9,13 @@
 #include <boost/container/small_vector.hpp>
 
 #include "shader_recompiler/frontend/ir/function.h"
+#include "shader_recompiler/shader_info.h"
 
 namespace Shader::IR {
 
 struct Program {
     boost::container::small_vector<Function, 1> functions;
+    Info info;
 };
 
 [[nodiscard]] std::string DumpProgram(const Program& program);