================
@@ -601,32 +610,105 @@ mlirTypeConverterAddConversion(MlirTypeConverter
typeConverter,
MlirTypeConverterConversionCallback convertType,
void *userData);
-/// Convert the given type using the given TypeConverter.
+/// Opaque accumulator for the result types of a 1:N type conversion. It is
+/// passed to a MlirTypeConverter1ToNConversionCallback, which appends
converted
+/// types to it via mlirTypeConverterConversionResultsAppend.
+typedef struct MlirTypeConverterConversionResults {
+ void *ptr;
+} MlirTypeConverterConversionResults;
+
+/// Append a converted result type to the given 1:N conversion result
+/// accumulator.
+MLIR_CAPI_EXPORTED void mlirTypeConverterConversionResultsAppend(
+ MlirTypeConverterConversionResults results, MlirType type);
+
+/// Outcome of a 1:N type conversion callback
+/// (MlirTypeConverter1ToNConversionCallback). Mirrors the three states of the
+/// underlying C++ `std::optional<LogicalResult>` return.
+typedef enum MlirTypeConverterConversionStatus {
+ /// The type was converted; the types appended to the results accumulator
make
+ /// up the conversion (appending none erases the type).
+ MlirTypeConverterConversionStatusSuccess = 0,
+ /// The conversion failed hard; no further conversion function will be tried.
----------------
jpienaar wrote:
s/hard// (there is no soft fail, this is failure, below is declined).
https://github.com/llvm/llvm-project/pull/208935
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