gpu: unimplemented semantic is not critical error

rpcsx/gpu/lib/gcn-shader/src/GcnConverter.cpp

@@ -1617,9 +1617,42 @@ static void instructionsToSpv(GcnConverter &converter, gcn::Import &importer,
     auto function = semanticModuleInfo.findSemanticOf(inst.getInstId());
 
     if (function == nullptr) {
+      std::println(std::cerr, "unimplemented semantic: ");
       inst.print(std::cerr, context.ns);
-      std::cerr << "\n";
-      rx::die("unimplemented semantic");
+      std::println(std::cerr);
+
+      std::vector<ir::Instruction> workList;
+      std::set<ir::Instruction> removed;
+      workList.push_back(inst);
+
+      while (!workList.empty()) {
+        auto inst = workList.back();
+        workList.pop_back();
+
+        if (!removed.insert(inst).second) {
+          continue;
+        }
+
+        std::println(std::cerr, "removing ");
+        inst.print(std::cerr, context.ns);
+        std::println(std::cerr);
+
+        if (auto value = inst.cast<ir::Value>()) {
+          for (auto &use : value.getUseList()) {
+            if (removed.contains(use.user)) {
+              continue;
+            }
+
+            workList.push_back(use.user);
+          }
+
+          value.replaceAllUsesWith(builder.createSpvUndef(
+              inst.getLocation(), value.getOperand(0).getAsValue()));
+        }
+
+        inst.remove();
+        return;
+      }
     }
 
     function = ir::clone(function, context, importer);