1//===- ReduceGlobalObjects.cpp --------------------------------------------===//
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#include "ReduceGlobalObjects.h"
10#include "llvm/IR/GlobalObject.h"
11
12using namespace llvm;
13
14static bool shouldReduceSection(GlobalObject &GO) { return GO.hasSection(); }
15
16static bool shouldReduceAlign(GlobalObject &GO) {
17 return GO.getAlign().has_value();
18}
19
20static bool shouldReduceComdat(GlobalObject &GO) { return GO.hasComdat(); }
21
22static void reduceGOs(Oracle &O, ReducerWorkItem &Program) {
23 for (auto &GO : Program.getModule().global_objects()) {
24 if (shouldReduceSection(GO) && !O.shouldKeep())
25 GO.setSection("");
26 if (shouldReduceAlign(GO) && !O.shouldKeep())
27 GO.setAlignment(MaybeAlign());
28 if (shouldReduceComdat(GO) && !O.shouldKeep())
29 GO.setComdat(nullptr);
30 }
31}
32
33void llvm::reduceGlobalObjectsDeltaPass(TestRunner &Test) {
34 runDeltaPass(Test, ExtractChunksFromModule: reduceGOs, Message: "Reducing GlobalObjects");
35}
36