Remove TypeConverter from TritonToTritonGPU conversion

lib/Dialect/TritonGPU/Transforms/TritonGPUConversion.cpp

@@ -90,9 +90,8 @@ TritonGPUTypeConverter::TritonGPUTypeConverter(MLIRContext *context,
 //
 // TritonGPUConversion
 //
-TritonGPUConversionTarget::TritonGPUConversionTarget(
-  MLIRContext &context, TritonGPUTypeConverter &typeConverter)
-    : ConversionTarget(context), typeConverter(typeConverter) {
+TritonGPUConversionTarget::TritonGPUConversionTarget(MLIRContext &context)
+    : ConversionTarget(context) {
   // TODO: we should also verify ops of TritonGPUDialect
   addLegalDialect<triton::gpu::TritonGPUDialect>();
 
@@ -104,7 +103,18 @@ TritonGPUConversionTarget::TritonGPUConversionTarget(
                              triton::TritonDialect,
                              StandardOpsDialect,
                              scf::SCFDialect>([&](Operation *op) {
-    if (typeConverter.isLegal(op))
+    auto isLegal = [](Value v) -> bool {
+      Type type = v.getType();
+      if (auto tensorType = type.dyn_cast<RankedTensorType>()) {
+        if (tensorType.getEncoding())
+          return true;
+        return false;
+      }
+      return true;
+    };
+
+    if (llvm::all_of(op->getOperands(), isLegal) && 
+        llvm::all_of(op->getResults(), isLegal))
       return true;
     return false;
   });
@@ -117,9 +127,6 @@ TritonGPUConversionTarget::TritonGPUConversionTarget(
     if (aEncoding && aEncoding.isa<triton::gpu::TritonGPUSharedEncodingAttr>() &&
         bEncoding && bEncoding.isa<triton::gpu::TritonGPUSharedEncodingAttr>())
       return true;
-    // // TODO: we should delete this
-    // if (this->typeConverter.isLegal(dotOp))
-    //   return true;
     return false;
   });