[Mlir-commits] [mlir] [mlir][python] expose LLVMStructType API (PR #81672)

[Nicolas Vasilache]

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@@ -34,11 +34,71 @@ MLIR_CAPI_EXPORTED MlirType
 mlirLLVMFunctionTypeGet(MlirType resultType, intptr_t nArgumentTypes,
                         MlirType const *argumentTypes, bool isVarArg);
 
-/// Creates an LLVM literal (unnamed) struct type.
+/// Returns `true` if the type is an LLVM dialect struct type.
+MLIR_CAPI_EXPORTED bool
+mlirTypeIsALLVMStructType(MlirType type);
+
+/// Returns `true` if the type is a literal (unnamed) LLVM struct type.
+MLIR_CAPI_EXPORTED bool mlirLLVMStructTypeIsLiteral(MlirType type);
+
+/// Returns the number of fields in the struct. Asserts if the struct is opaque
+/// or not yet initialized.
+MLIR_CAPI_EXPORTED intptr_t mlirLLVMStructTypeGetNumElementTypes(MlirType type);
+
+/// Returns the `positions`-th field of the struct. Asserts if the struct is
+/// opaque, not yet initialized or if the position is out of range.
+MLIR_CAPI_EXPORTED MlirType mlirLLVMStructTypeGetElementType(MlirType type, intptr_t position);
+
+/// Returns `true` if the struct is packed.
+MLIR_CAPI_EXPORTED bool mlirLLVMStructTypeIsPacked(MlirType type);
+
+/// Returns the identifier of the identified struct. Asserts that the struct is
+/// identified, i.e., not literal.
+MLIR_CAPI_EXPORTED MlirStringRef mlirLLVMStructTypeGetIdentifier(MlirType type);
+
+/// Returns `true` is the struct is explicitly opaque (will not have a body) or
+/// unitiniazlied (will eventually have a body).
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nicolasvasilache wrote:

nit: typo

https://github.com/llvm/llvm-project/pull/81672