1//===- TestAssert.cpp - Test cf.assert Lowering ----------------*- c++ -*-===//
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// This file implements a pass for integration testing of wide integer
10// emulation patterns. Applies conversion patterns only to functions whose
11// names start with a specified prefix.
12//
13//===----------------------------------------------------------------------===//
14
15#include "mlir/Conversion/ControlFlowToLLVM/ControlFlowToLLVM.h"
16#include "mlir/Conversion/LLVMCommon/ConversionTarget.h"
17#include "mlir/Conversion/LLVMCommon/TypeConverter.h"
18#include "mlir/Dialect/ControlFlow/IR/ControlFlow.h"
19#include "mlir/Dialect/LLVMIR/LLVMDialect.h"
20#include "mlir/Pass/Pass.h"
21#include "mlir/Transforms/DialectConversion.h"
22
23using namespace mlir;
24
25namespace {
26struct TestAssertPass
27 : public PassWrapper<TestAssertPass, OperationPass<ModuleOp>> {
28 MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(TestAssertPass)
29
30 void getDependentDialects(DialectRegistry &registry) const override {
31 registry.insert<cf::ControlFlowDialect, LLVM::LLVMDialect>();
32 }
33 StringRef getArgument() const final { return "test-cf-assert"; }
34 StringRef getDescription() const final {
35 return "Function pass to test cf.assert lowering to LLVM without abort";
36 }
37
38 void runOnOperation() override {
39 LLVMConversionTarget target(getContext());
40 RewritePatternSet patterns(&getContext());
41
42 LLVMTypeConverter converter(&getContext());
43 mlir::cf::populateAssertToLLVMConversionPattern(converter, patterns,
44 /*abortOnFailure=*/false);
45
46 if (failed(result: applyPartialConversion(getOperation(), target,
47 std::move(patterns))))
48 signalPassFailure();
49 }
50};
51} // namespace
52
53namespace mlir::test {
54void registerTestCfAssertPass() { PassRegistration<TestAssertPass>(); }
55} // namespace mlir::test
56

source code of mlir/test/lib/Dialect/ControlFlow/TestAssert.cpp