[clang-tools-extra] [clang-tidy] Add MLIR check for old op builder usage. (PR #149148)

[Baranov Victor via cfe-commits]

================
@@ -0,0 +1,51 @@
+// RUN: %check_clang_tidy --match-partial-fixes %s llvm-mlir-op-builder %t
+
+namespace mlir {
+class Location {};
+class OpBuilder {
+public:
+  template <typename OpTy, typename... Args>
+  OpTy create(Location location, Args &&...args) {
+    return OpTy(args...);
+  }
+  Location getUnknownLoc() { return Location(); }
+};
+class ImplicitLocOpBuilder : public OpBuilder {
+public:
+  template <typename OpTy, typename... Args>
+  OpTy create(Args &&...args) {
+    return OpTy(args...);
+  }
+};
+struct ModuleOp {
+  ModuleOp() {}
+  static ModuleOp create(OpBuilder &builder, Location location) {
+    return ModuleOp();
+  }
+};
+struct NamedOp {
+  NamedOp(const char* name) {}
+  static NamedOp create(OpBuilder &builder, Location location, const char* name) {
+    return NamedOp(name);
+  }
+};
+} // namespace mlir
+
+void f() {
----------------
vbvictor wrote:

Could you add tests with `builder.create`

- inside macros
- inside template functions when template parameter of `create` is dependent.
- when `builder.create` is in multiple lines like:
```cpp
builder.
   create<NamedOp>(
     builder.getUnknownLoc(),
     "baz");
```

https://github.com/llvm/llvm-project/pull/149148