[Mlir-commits] [mlir] [mlir][emitc] Add EmitC index types (PR #93155)

[Marius Brehler]

================
@@ -0,0 +1,39 @@
+//===- TypeConversions.cpp - Convert signless types into C/C++ types ------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "mlir/Dialect/EmitC/Transforms/TypeConversions.h"
+#include "mlir/Dialect/EmitC/IR/EmitC.h"
+#include "mlir/IR/BuiltinTypes.h"
+#include "mlir/Transforms/DialectConversion.h"
+#include <optional>
+
+using namespace mlir;
+
+namespace {
+
+std::optional<Value> materializeAsUnrealizedCast(OpBuilder &builder,
+                                                 Type resultType,
+                                                 ValueRange inputs,
+                                                 Location loc) {
+  if (inputs.size() != 1)
+    return std::nullopt;
+
+  return builder.create<UnrealizedConversionCastOp>(loc, resultType, inputs)
+      .getResult(0);
+}
+
+} // namespace
+
+void mlir::populateEmitCSizeTypeConversions(TypeConverter &converter) {
----------------
marbre wrote:

```suggestion
void mlir::populateEmitCSizeTTypeConversions(TypeConverter &converter) {
```

https://github.com/llvm/llvm-project/pull/93155