| 1 | //===- standalone-cap-demo.c - Simple demo of C-API -----------------------===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM |
| 4 | // Exceptions. |
| 5 | // See https://llvm.org/LICENSE.txt for license information. |
| 6 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 7 | // |
| 8 | //===----------------------------------------------------------------------===// |
| 9 | |
| 10 | // RUN: standalone-capi-test 2>&1 | FileCheck %s |
| 11 | |
| 12 | #include <stdio.h> |
| 13 | |
| 14 | #include "Standalone-c/Dialects.h" |
| 15 | #include "mlir-c/IR.h" |
| 16 | #include "mlir-c/RegisterEverything.h" |
| 17 | |
| 18 | static void registerAllUpstreamDialects(MlirContext ctx) { |
| 19 | MlirDialectRegistry registry = mlirDialectRegistryCreate(); |
| 20 | mlirRegisterAllDialects(registry); |
| 21 | mlirContextAppendDialectRegistry(ctx, registry); |
| 22 | mlirDialectRegistryDestroy(registry); |
| 23 | } |
| 24 | |
| 25 | int main(int argc, char **argv) { |
| 26 | MlirContext ctx = mlirContextCreate(); |
| 27 | // TODO: Create the dialect handles for the builtin dialects and avoid this. |
| 28 | // This adds dozens of MB of binary size over just the standalone dialect. |
| 29 | registerAllUpstreamDialects(ctx); |
| 30 | mlirDialectHandleRegisterDialect(mlirGetDialectHandle__standalone__(), ctx); |
| 31 | |
| 32 | MlirModule module = mlirModuleCreateParse( |
| 33 | context: ctx, module: mlirStringRefCreateFromCString(str: "%0 = arith.constant 2 : i32\n" |
| 34 | "%1 = standalone.foo %0 : i32\n")); |
| 35 | if (mlirModuleIsNull(module)) { |
| 36 | printf(format: "ERROR: Could not parse.\n"); |
| 37 | mlirContextDestroy(context: ctx); |
| 38 | return 1; |
| 39 | } |
| 40 | MlirOperation op = mlirModuleGetOperation(module); |
| 41 | |
| 42 | // CHECK: %[[C:.*]] = arith.constant 2 : i32 |
| 43 | // CHECK: standalone.foo %[[C]] : i32 |
| 44 | mlirOperationDump(op); |
| 45 | |
| 46 | mlirModuleDestroy(module); |
| 47 | mlirContextDestroy(context: ctx); |
| 48 | return 0; |
| 49 | } |
| 50 |