[Mlir-commits] [mlir] [mlir-c] Add mlirDialectMaterializeConstant (PR #206553)

[llvmlistbot at llvm.org]

================
@@ -304,6 +304,18 @@ void mlirIRRewriterDestroy(MlirRewriterBase rewriter) {
   delete static_cast<IRRewriter *>(unwrap(rewriter));
 }
 
+//===----------------------------------------------------------------------===//
+/// Dialect constant materialization API
+//===----------------------------------------------------------------------===//
+
+MlirOperation mlirDialectMaterializeConstant(MlirDialect dialect,
+                                             MlirRewriterBase rewriter,
+                                             MlirAttribute value, MlirType type,
+                                             MlirLocation loc) {
+  return wrap(unwrap(dialect)->materializeConstant(
+      *unwrap(rewriter), unwrap(value), unwrap(type), unwrap(loc)));
+}
----------------
PragmaTwice wrote:

yah I think the key fact here is that we don't have `OpBuilder` in C APIs. The C++ API is 
```
materializeConstant (OpBuilder &builder, Attribute value, Type type, Location loc)
```

Here we use `Rewriter` but `Rewriter` is a subclass of `OpBuilder` IIRC so it may not cover all scenario.

https://github.com/llvm/llvm-project/pull/206553