1//===- ReduceInvokes.cpp - Specialized Delta Pass -------------------------===//
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// Try to replace invokes with calls.
10//
11//===----------------------------------------------------------------------===//
12
13#include "ReduceInvokes.h"
14#include "llvm/IR/Instructions.h"
15#include "llvm/Transforms/Utils/Local.h"
16
17using namespace llvm;
18
19static void reduceInvokesInFunction(Oracle &O, Function &F) {
20 for (BasicBlock &BB : F) {
21 InvokeInst *Invoke = dyn_cast<InvokeInst>(Val: BB.getTerminator());
22 if (Invoke && !O.shouldKeep())
23 changeToCall(II: Invoke);
24 }
25
26 // TODO: We most likely are leaving behind dead landingpad blocks. Should we
27 // delete unreachable blocks now, or leave that for the unreachable block
28 // reduction.
29}
30
31void llvm::reduceInvokesDeltaPass(Oracle &O, ReducerWorkItem &WorkItem) {
32 for (Function &F : WorkItem.getModule()) {
33 if (F.hasPersonalityFn())
34 reduceInvokesInFunction(O, F);
35 }
36}
37