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//===- SourceCoverageDataManager.cpp - Manager for source file coverage
// data-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This class separates and merges mapping regions for a specific source file.
//
//===----------------------------------------------------------------------===//
#include "SourceCoverageDataManager.h"
using namespace llvm;
using namespace coverage;
void SourceCoverageDataManager::insert(const CountedRegion &CR) {
Regions.push_back(CR);
Uniqued = false;
}
ArrayRef<CountedRegion> SourceCoverageDataManager::getSourceRegions() {
if (Uniqued || Regions.size() <= 1)
return Regions;
// Sort the regions given that they're all in the same file at this point.
std::sort(Regions.begin(), Regions.end(),
[](const CountedRegion &LHS, const CountedRegion &RHS) {
return LHS.startLoc() < RHS.startLoc();
});
// Merge duplicate source ranges and sum their execution counts.
auto Prev = Regions.begin();
for (auto I = Prev + 1, E = Regions.end(); I != E; ++I) {
if (I->startLoc() == Prev->startLoc() && I->endLoc() == Prev->endLoc()) {
Prev->ExecutionCount += I->ExecutionCount;
continue;
}
++Prev;
*Prev = *I;
}
++Prev;
Regions.erase(Prev, Regions.end());
Uniqued = true;
return Regions;
}
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