[mlir][Linalg] NFC - Rename ViewTraits -> StructuredOpTraits

[nicolasvasilache]

Summary

This is part of an ongoing cleanup and uniformization work.

[merge_guards_bot]

Unit tests: unknown.

clang-tidy: unknown.

clang-format: unknown.

Build artifacts: diff.json, console-log.txt

[nicolasvasilache]

Update

[merge_guards_bot]

Unit tests: unknown.

clang-tidy: unknown.

clang-format: unknown.

Build artifacts: diff.json, console-log.txt

mlir/include/mlir/Dialect/Linalg/IR/LinalgStructuredOps.td

class NInputs<int args_in> :
   NativeOpTrait<"linalg::NInputs<" # !cast<string>(args_in) # ">::Impl"> {}
 
 // The Linalg `NOutputs` trait provides the API for ops that are known
 // to have a specified number of outputs, all passed as operands.
 // See Linalg/LinalgTraits.h for implementation details an usage.
 class NOutputs<int args_out> :
   NativeOpTrait<"linalg::NOutputs<" # !cast<string>(args_out) # ">::Impl"> {}
 
-def ViewTraits : NativeOpTrait<"linalg::ViewTraits">;
+def StructuredOpTraits : NativeOpTrait<"linalg::StructuredOpTraits">;
 
 // The linalg 'LinalgStructuredInterface' provides access to the 'LinalgOp'
 // interface.
 def LinalgStructuredInterface : OpInterface<"LinalgOp"> {
   let methods = [
     InterfaceMethod<
       "Query the number of inputs from the current operation.",
       "unsigned", "getNumInputs"

 }
 
 // Base Tablegen class for Linalg ops.
 // Linalg ops that correspond to library calls operate on linalg::View as their
 // first operands. These may be optionally followed by non-view operands
 // depending on the specific Linalg op.
 class LinalgStructuredBase_Op<string mnemonic, list<OpTrait> props>
   : Op<Linalg_Dialect, mnemonic,
-       !listconcat(props, [ViewTraits, LinalgStructuredInterface])> {
+       !listconcat(props, [StructuredOpTraits, LinalgStructuredInterface])> {
   let parser = [{ return parseLinalgStructuredOp(parser, result); }];
   let printer = [{ printLinalgStructuredOp(p, *this); }];
 }
 
 class LinalgStructured_Op<string mnemonic, list<OpTrait> props>
   : LinalgStructuredBase_Op<mnemonic, props> {
   code libraryCallName = [{
     std::string getLibraryCallName() {

mlir/include/mlir/Dialect/Linalg/IR/LinalgTraits.h

 /// This class provides the API for ops that are known to operate on views. This
 /// trait must be used in conjunction with an op definition or a trait that
 /// provides the methods `getNumInputs` and `getNumOutputs`. This is used as a
 /// trait like this:
 ///
 ///   class DotOp : public Op<DotOp, OpTrait::ViewTrait> {
 ///
 template <typename ConcreteType>
-class ViewTraits : public OpTrait::TraitBase<ConcreteType, ViewTraits> {
+class StructuredOpTraits
+    : public OpTrait::TraitBase<ConcreteType, StructuredOpTraits> {
 private:
   /// Return the number of input views. For internal use only.
   unsigned nInputs() {
     return cast<ConcreteType>(this->getOperation()).getNumInputs();
   }
   /// Return the number of input views. For internal use only.
   unsigned nOutputs() {
     return cast<ConcreteType>(this->getOperation()).getNumOutputs();