spirv: emit OpName only with debug info

src/graphics/shader/recompiler/backend/spirv/SpirvBuilder.cpp

@@ -169,6 +169,9 @@ uint32_t Builder::AddString(const char* text) {
 }
 
 void Builder::AddName(uint32_t target, const char* name) {
+	if (!m_emit_names) {
+		return;
+	}
 	std::vector<uint32_t> operands = {target};
 	AppendString(operands, name);
 	AppendInstruction(m_debug, spv::OpName, operands);

src/graphics/shader/recompiler/backend/spirv/SpirvBuilder.h

@@ -67,6 +67,7 @@ public:
 	}
 
 	uint32_t AddString(const char* text);
+	void EnableNames() { m_emit_names = true; }
 	void AddName(uint32_t target, const char* name);
 	template <typename... Args>
 	void AddAnnotation(spv::Op opcode, const Args&... operands) {
@@ -159,6 +160,7 @@ private:
 	std::map<std::string, uint32_t>           m_import_ids;
 	std::map<std::vector<uint32_t>, uint32_t> m_declaration_ids;
 	size_t                                    m_unpatched_phi_incomings = 0;
+	bool                                      m_emit_names              = false;
 };
 
 } // namespace Libs::Graphics::ShaderRecompiler::Spirv

src/graphics/shader/recompiler/backend/spirv/SpirvEmitter.cpp

@@ -226,6 +226,7 @@ std::vector<uint32_t> EmitProgram(IR::Program& program, ShaderStageInputInfo inp
 		std::snprintf(name, sizeof(name), "rdna2-%016" PRIx64 "-block-byte-pc-plus-one",
 		              program.shader_hash);
 		state.debug_source = state.builder.AddString(name);
+		state.builder.EnableNames();
 	}
 	const auto* workgroup = ShaderWorkgroupInput(program.stage, input_info);
 	state.lane_count =