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//===- AddressRanges.cpp ----------------------------------------*- C++ -*-===//
//
// 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 "llvm/ADT/AddressRanges.h"
#include "llvm/ADT/STLExtras.h"
#include <inttypes.h>
using namespace llvm;
AddressRanges::Collection::const_iterator
AddressRanges::insert(AddressRange Range) {
if (Range.size() == 0)
return Ranges.end();
auto It = llvm::upper_bound(Ranges, Range);
auto It2 = It;
while (It2 != Ranges.end() && It2->start() <= Range.end())
++It2;
if (It != It2) {
Range = {Range.start(), std::max(Range.end(), std::prev(It2)->end())};
It = Ranges.erase(It, It2);
}
if (It != Ranges.begin() && Range.start() <= std::prev(It)->end()) {
--It;
*It = {It->start(), std::max(It->end(), Range.end())};
return It;
}
return Ranges.insert(It, Range);
}
AddressRanges::Collection::const_iterator
AddressRanges::find(uint64_t Addr) const {
auto It = std::partition_point(
Ranges.begin(), Ranges.end(),
[=](const AddressRange &R) { return R.start() <= Addr; });
if (It == Ranges.begin())
return Ranges.end();
--It;
if (Addr >= It->end())
return Ranges.end();
return It;
}
AddressRanges::Collection::const_iterator
AddressRanges::find(AddressRange Range) const {
if (Range.size() == 0)
return Ranges.end();
auto It = std::partition_point(
Ranges.begin(), Ranges.end(),
[=](const AddressRange &R) { return R.start() <= Range.start(); });
if (It == Ranges.begin())
return Ranges.end();
--It;
if (Range.end() > It->end())
return Ranges.end();
return It;
}
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