xref: /llvm-project/mlir/test/lib/Dialect/ControlFlow/TestAssert.cpp (revision 325b58d59f0073c364b29d6e125b809c76484a16)
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>> {
MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID__anon18aae7aa0111::TestAssertPass28   MLIR_DEFINE_EXPLICIT_INTERNAL_INLINE_TYPE_ID(TestAssertPass)
29 
30   void getDependentDialects(DialectRegistry &registry) const override {
31     registry.insert<cf::ControlFlowDialect, LLVM::LLVMDialect>();
32   }
getArgument__anon18aae7aa0111::TestAssertPass33   StringRef getArgument() const final { return "test-cf-assert"; }
getDescription__anon18aae7aa0111::TestAssertPass34   StringRef getDescription() const final {
35     return "Function pass to test cf.assert lowering to LLVM without abort";
36   }
37 
runOnOperation__anon18aae7aa0111::TestAssertPass38   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 {
registerTestCfAssertPass()54 void registerTestCfAssertPass() { PassRegistration<TestAssertPass>(); }
55 } // namespace mlir::test
56