| //===- ReduceInvokes.cpp - Specialized Delta Pass -------------------------===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // Try to replace invokes with calls. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "ReduceInvokes.h" |
| #include "Delta.h" |
| #include "llvm/IR/Instructions.h" |
| #include "llvm/Transforms/Utils/Local.h" |
| |
| using namespace llvm; |
| |
| static void reduceInvokesInFunction(Oracle &O, Function &F) { |
| for (BasicBlock &BB : F) { |
| InvokeInst *Invoke = dyn_cast<InvokeInst>(BB.getTerminator()); |
| if (Invoke && !O.shouldKeep()) |
| changeToCall(Invoke); |
| } |
| |
| // TODO: We most likely are leaving behind dead landingpad blocks. Should we |
| // delete unreachable blocks now, or leave that for the unreachable block |
| // reduction. |
| } |
| |
| static void reduceInvokesInModule(Oracle &O, ReducerWorkItem &WorkItem) { |
| for (Function &F : WorkItem.getModule()) { |
| if (F.hasPersonalityFn()) |
| reduceInvokesInFunction(O, F); |
| } |
| } |
| |
| void llvm::reduceInvokesDeltaPass(TestRunner &Test) { |
| runDeltaPass(Test, reduceInvokesInModule, "Reducing Invokes"); |
| } |