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//===- ReduceGlobalObjects.cpp --------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
#include "ReduceGlobalObjects.h"
#include "llvm/IR/GlobalObject.h"
using namespace llvm;
static bool shouldReduceSection(GlobalObject &GO) { return GO.hasSection(); }
static bool shouldReduceAlign(GlobalVariable *GV) {
return GV->getAlign().has_value();
}
static bool shouldReduceAlign(Function *F) { return F->getAlign().has_value(); }
static bool shouldReduceComdat(GlobalObject &GO) { return GO.hasComdat(); }
void llvm::reduceGlobalObjectsDeltaPass(Oracle &O, ReducerWorkItem &Program) {
for (auto &GO : Program.getModule().global_objects()) {
if (shouldReduceSection(GO) && !O.shouldKeep())
GO.setSection("");
if (auto *GV = dyn_cast<GlobalVariable>(&GO)) {
if (shouldReduceAlign(GV) && !O.shouldKeep())
GV->setAlignment(MaybeAlign());
}
if (auto *F = dyn_cast<Function>(&GO)) {
if (shouldReduceAlign(F) && !O.shouldKeep())
F->setAlignment(MaybeAlign());
}
if (shouldReduceComdat(GO) && !O.shouldKeep())
GO.setComdat(nullptr);
}
}
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