[Mlir-commits] [mlir] [MLIR] emitc: Add emitc translation unit op (PR #123298)

[Simon Camphausen]

================
@@ -56,6 +57,54 @@ def IntegerIndexOrOpaqueType : Type<CPred<"emitc::isIntegerIndexOrOpaqueType($_s
 "integer, index or opaque type supported by EmitC">;
 def FloatIntegerIndexOrOpaqueType : AnyTypeOf<[EmitCFloatType, IntegerIndexOrOpaqueType]>;
 
+def EmitC_TranslationUnitOp
+    : EmitC_Op<"tu", [IsolatedFromAbove, NoRegionArguments, SymbolTable,
+                      OpAsmOpInterface]#GraphRegionNoTerminator.traits> {
+  let summary = "A translation unit container operation";
+  let description = [{
+    A `tu` represents a translation unit that can be emitted
+    into a single C++ file.
+
+    `mlir-translate` emits only the translation unit selected via
+    the `-translation-unit-id=id` flag. By default, no translation units are
+    emitted.
+
+    Example:
+
+    ```mlir
+    emitc.tu "main" {
+      emitc.func @func_one() {
+        emitc.return
+      }
+    }
+    ```
+  }];
+
+  let arguments = (ins Builtin_StringAttr:$id);
+  let regions = (region SizedRegion<1>:$bodyRegion);
+
+  let assemblyFormat = "$id attr-dict-with-keyword $bodyRegion";
+  let builders = [OpBuilder<(ins CArg<"StringRef">:$id)>];
+  let extraClassDeclaration = [{
+    /// Construct a module from the given location with an optional name.
----------------
simon-camp wrote:

```suggestion
    /// Construct a translation_unit from the given location with the given name.
```

https://github.com/llvm/llvm-project/pull/123298