1//===- TestConvertCallOp.cpp - Test LLVM Conversion of Func CallOp --------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "TestDialect.h"
10#include "TestOps.h"
11#include "TestTypes.h"
12#include "mlir/Conversion/FuncToLLVM/ConvertFuncToLLVM.h"
13#include "mlir/Conversion/LLVMCommon/Pattern.h"
14#include "mlir/Dialect/Func/IR/FuncOps.h"
15#include "mlir/Dialect/LLVMIR/LLVMDialect.h"
16#include "mlir/Pass/Pass.h"
17
18using namespace mlir;
19
20namespace {
21
22class TestTypeProducerOpConverter
23 : public ConvertOpToLLVMPattern<test::TestTypeProducerOp> {
24public:
25 using ConvertOpToLLVMPattern<
26 test::TestTypeProducerOp>::ConvertOpToLLVMPattern;
27
28 LogicalResult
29 matchAndRewrite(test::TestTypeProducerOp op, OpAdaptor adaptor,
30 ConversionPatternRewriter &rewriter) const override {
31 rewriter.replaceOpWithNewOp<LLVM::ZeroOp>(op, getVoidPtrType());
32 return success();
33 }
34};
35
36struct TestConvertCallOp
37 : public PassWrapper<TestConvertCallOp, OperationPass<ModuleOp>> {
38 MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(TestConvertCallOp)
39
40 void getDependentDialects(DialectRegistry &registry) const final {
41 registry.insert<LLVM::LLVMDialect>();
42 }
43 StringRef getArgument() const final { return "test-convert-call-op"; }
44 StringRef getDescription() const final {
45 return "Tests conversion of `func.call` to `llvm.call` in "
46 "presence of custom types";
47 }
48
49 void runOnOperation() override {
50 ModuleOp m = getOperation();
51
52 LowerToLLVMOptions options(m.getContext());
53
54 // Populate type conversions.
55 LLVMTypeConverter typeConverter(m.getContext(), options);
56 typeConverter.addConversion(callback: [&](test::TestType type) {
57 return LLVM::LLVMPointerType::get(m.getContext());
58 });
59 typeConverter.addConversion(callback: [&](test::SimpleAType type) {
60 return IntegerType::get(type.getContext(), 42);
61 });
62
63 // Populate patterns.
64 RewritePatternSet patterns(m.getContext());
65 populateFuncToLLVMConversionPatterns(converter&: typeConverter, patterns);
66 patterns.add<TestTypeProducerOpConverter>(arg&: typeConverter);
67
68 // Set target.
69 ConversionTarget target(getContext());
70 target.addLegalDialect<LLVM::LLVMDialect>();
71 target.addIllegalDialect<test::TestDialect>();
72 target.addIllegalDialect<func::FuncDialect>();
73
74 if (failed(applyPartialConversion(m, target, std::move(patterns))))
75 signalPassFailure();
76 }
77};
78
79} // namespace
80
81namespace mlir {
82namespace test {
83void registerConvertCallOpPass() { PassRegistration<TestConvertCallOp>(); }
84} // namespace test
85} // namespace mlir
86

source code of mlir/test/lib/Conversion/FuncToLLVM/TestConvertCallOp.cpp