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Imported Upstream version 5.18.0.225

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Former-commit-id: 10196d987d5fc5564b9d3b33b1fdf13190f4d0b5
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Xamarin Public Jenkins (auto-signing)
2018-12-21 19:01:49 +00:00
parent 32d52ae4ca
commit f32dbaf0b2
28477 changed files with 3866961 additions and 38 deletions
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38
external/llvm/lib/FuzzMutate/OpDescriptor.cpp vendored Normal file
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//===-- OpDescriptor.cpp --------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/FuzzMutate/OpDescriptor.h"
#include "llvm/IR/Constants.h"
using namespace llvm;
using namespace fuzzerop;
void fuzzerop::makeConstantsWithType(Type *T, std::vector<Constant *> &Cs) {
if (auto *IntTy = dyn_cast<IntegerType>(T)) {
uint64_t W = IntTy->getBitWidth();
Cs.push_back(ConstantInt::get(IntTy, APInt::getMaxValue(W)));
Cs.push_back(ConstantInt::get(IntTy, APInt::getMinValue(W)));
Cs.push_back(ConstantInt::get(IntTy, APInt::getSignedMaxValue(W)));
Cs.push_back(ConstantInt::get(IntTy, APInt::getSignedMinValue(W)));
Cs.push_back(ConstantInt::get(IntTy, APInt::getOneBitSet(W, W / 2)));
} else if (T->isFloatingPointTy()) {
auto &Ctx = T->getContext();
auto &Sem = T->getFltSemantics();
Cs.push_back(ConstantFP::get(Ctx, APFloat::getZero(Sem)));
Cs.push_back(ConstantFP::get(Ctx, APFloat::getLargest(Sem)));
Cs.push_back(ConstantFP::get(Ctx, APFloat::getSmallest(Sem)));
} else
Cs.push_back(UndefValue::get(T));
}
std::vector<Constant *> fuzzerop::makeConstantsWithType(Type *T) {
std::vector<Constant *> Result;
makeConstantsWithType(T, Result);
return Result;
}