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

[Matthias Gehre]

================
@@ -56,6 +57,51 @@ def IntegerIndexOrOpaqueType : Type<CPred<"emitc::isIntegerIndexOrOpaqueType($_s
 "integer, index or opaque type supported by EmitC">;
 def FloatIntegerIndexOrOpaqueType : AnyTypeOf<[EmitCFloatType, IntegerIndexOrOpaqueType]>;
 
+def EmitC_FileOp
+    : EmitC_Op<"file", [IsolatedFromAbove, NoRegionArguments, SymbolTable,
+                        OpAsmOpInterface]#GraphRegionNoTerminator.traits> {
+  let summary = "A file container operation";
+  let description = [{
+    A `file` represents a single C/C++ file.
+
+    `mlir-translate` emits only the file selected via
+    the `-translation-unit-id=id` flag. By default, no file is emitted.
----------------
mgehre-amd wrote:

I think you are looking at an outdated diff - the current content of EmitC.td is
```
    `mlir-translate` ignores the body of all `emitc.file` ops
    unless the `-file-id=id` flag is used. With that flag, all `emitc.file` ops
    with matching id are emitted.
```

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