Move dependentDialects from .cpp to .td

include/triton/Conversion/Passes.td

@@ -9,6 +9,11 @@ def ConvertTritonToTritonGPU: Pass<"convert-triton-to-tritongpu", "mlir::ModuleO
         
     }];
     let constructor = "mlir::triton::createConvertTritonToTritonGPUPass()";
+
+    let dependentDialects = ["mlir::arith::ArithmeticDialect",
+                             "mlir::StandardOpsDialect",
+                             // TODO: Does this pass depend on SCF?
+                             "mlir::scf::SCFDialect"];
 }
 
 #endif

lib/Conversion/TritonToTritonGPU/TritonToTritonGPU.cpp

@@ -51,15 +51,6 @@ class ConvertTritonToTritonGPU:
     public ConvertTritonToTritonGPUBase<ConvertTritonToTritonGPU> {
 
 public:
-    void getDependentDialects(DialectRegistry& registry) const override {
-        registry.insert<arith::ArithmeticDialect>();
-        registry.insert<StandardOpsDialect>();
-        registry.insert<scf::SCFDialect>();
-        // LLVM15
-        // registry.insert<cf::ControlFlowDialect>()
-        // registry.insert<func::FuncDialect>()
-    }
-
     void runOnOperation() override {
         MLIRContext *context = &getContext();
         ConversionTarget target(*context);