forked from OSchip/llvm-project
60 lines
1.8 KiB
C++
60 lines
1.8 KiB
C++
//===- 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;
|
|
|
|
void AddressRanges::insert(AddressRange Range) {
|
|
if (Range.size() == 0)
|
|
return;
|
|
|
|
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(), It2[-1].end())};
|
|
It = Ranges.erase(It, It2);
|
|
}
|
|
if (It != Ranges.begin() && Range.start() < It[-1].end())
|
|
It[-1] = {It[-1].start(), std::max(It[-1].end(), Range.end())};
|
|
else
|
|
Ranges.insert(It, Range);
|
|
}
|
|
|
|
bool AddressRanges::contains(uint64_t Addr) const {
|
|
auto It = std::partition_point(
|
|
Ranges.begin(), Ranges.end(),
|
|
[=](const AddressRange &R) { return R.start() <= Addr; });
|
|
return It != Ranges.begin() && Addr < It[-1].end();
|
|
}
|
|
|
|
bool AddressRanges::contains(AddressRange Range) const {
|
|
if (Range.size() == 0)
|
|
return false;
|
|
auto It = std::partition_point(
|
|
Ranges.begin(), Ranges.end(),
|
|
[=](const AddressRange &R) { return R.start() <= Range.start(); });
|
|
if (It == Ranges.begin())
|
|
return false;
|
|
return Range.end() <= It[-1].end();
|
|
}
|
|
|
|
Optional<AddressRange>
|
|
AddressRanges::getRangeThatContains(uint64_t Addr) const {
|
|
auto It = std::partition_point(
|
|
Ranges.begin(), Ranges.end(),
|
|
[=](const AddressRange &R) { return R.start() <= Addr; });
|
|
if (It != Ranges.begin() && Addr < It[-1].end())
|
|
return It[-1];
|
|
return llvm::None;
|
|
}
|