| 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 | |
| 23 | using namespace mlir; |
| 24 | |
| 25 | namespace { |
| 26 | struct TestAssertPass |
| 27 | : public PassWrapper<TestAssertPass, OperationPass<ModuleOp>> { |
| 28 | MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(TestAssertPass) |
| 29 | |
| 30 | void getDependentDialects(DialectRegistry ®istry) 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(applyPartialConversion(getOperation(), target, |
| 47 | std::move(patterns)))) |
| 48 | signalPassFailure(); |
| 49 | } |
| 50 | }; |
| 51 | } // namespace |
| 52 | |
| 53 | namespace mlir::test { |
| 54 | void registerTestCfAssertPass() { PassRegistration<TestAssertPass>(); } |
| 55 | } // namespace mlir::test |
| 56 |