TestConvertCallOp.cpp
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//===- TestConvertCallOp.cpp - Test LLVM Conversion of Standard CallOp ----===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "TestDialect.h"
#include "TestTypes.h"
#include "mlir/Conversion/StandardToLLVM/ConvertStandardToLLVM.h"
#include "mlir/Conversion/StandardToLLVM/ConvertStandardToLLVMPass.h"
#include "mlir/Dialect/LLVMIR/LLVMDialect.h"
#include "mlir/Dialect/StandardOps/IR/Ops.h"
#include "mlir/Pass/Pass.h"
using namespace mlir;
namespace {
class TestTypeProducerOpConverter
: public ConvertOpToLLVMPattern<TestTypeProducerOp> {
public:
using ConvertOpToLLVMPattern<TestTypeProducerOp>::ConvertOpToLLVMPattern;
LogicalResult
matchAndRewrite(Operation *op, ArrayRef<Value> operands,
ConversionPatternRewriter &rewriter) const override {
rewriter.replaceOpWithNewOp<LLVM::NullOp>(op, getVoidPtrType());
return success();
}
};
class TestConvertCallOp
: public PassWrapper<TestConvertCallOp, OperationPass<ModuleOp>> {
public:
void getDependentDialects(DialectRegistry ®istry) const final {
registry.insert<LLVM::LLVMDialect>();
}
void runOnOperation() override {
ModuleOp m = getOperation();
// Populate type conversions.
LLVMTypeConverter type_converter(m.getContext());
type_converter.addConversion([&](TestType type) {
return LLVM::LLVMType::getInt8PtrTy(m.getContext());
});
// Populate patterns.
OwningRewritePatternList patterns;
populateStdToLLVMConversionPatterns(type_converter, patterns);
patterns.insert<TestTypeProducerOpConverter>(type_converter);
// Set target.
ConversionTarget target(getContext());
target.addLegalDialect<LLVM::LLVMDialect>();
target.addIllegalDialect<TestDialect>();
target.addIllegalDialect<StandardOpsDialect>();
if (failed(applyPartialConversion(m, target, patterns))) {
signalPassFailure();
}
}
};
} // namespace
namespace mlir {
void registerConvertCallOpPass() {
PassRegistration<TestConvertCallOp>(
"test-convert-call-op",
"Tests conversion of `std.call` to `llvm.call` in "
"presence of custom types");
}
} // namespace mlir