40 lines
1.3 KiB
C++
40 lines
1.3 KiB
C++
//===- Utils.cpp - llvm-reduce utility functions --------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file contains some utility functions supporting llvm-reduce.
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//
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//===----------------------------------------------------------------------===//
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#include "Utils.h"
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#include "llvm/IR/Constants.h"
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#include "llvm/IR/GlobalAlias.h"
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#include "llvm/IR/GlobalIFunc.h"
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using namespace llvm;
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extern cl::OptionCategory LLVMReduceOptions;
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cl::opt<bool> llvm::Verbose("verbose",
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cl::desc("Print extra debugging information"),
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cl::init(false), cl::cat(LLVMReduceOptions));
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Value *llvm::getDefaultValue(Type *T) {
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return T->isVoidTy() ? PoisonValue::get(T) : Constant::getNullValue(T);
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}
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bool llvm::hasAliasUse(Function &F) {
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return any_of(F.users(), [](User *U) {
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return isa<GlobalAlias>(U) || isa<GlobalIFunc>(U);
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});
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}
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bool llvm::hasAliasOrBlockAddressUse(Function &F) {
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return any_of(F.users(), [](User *U) {
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return isa<GlobalAlias, GlobalIFunc, BlockAddress>(U);
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});
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}
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