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CoverageMapping: Bitvectorize code. No functionality change.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@228934 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer 2015-02-12 16:18:07 +00:00
parent 28a123abaf
commit 4301b5fd8b
1 changed files with 20 additions and 27 deletions
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47
lib/ProfileData/CoverageMapping.cpp
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@ -15,7 +15,7 @@
#include "llvm/ProfileData/CoverageMapping.h" #include "llvm/ProfileData/CoverageMapping.h"
#include "llvm/ADT/DenseMap.h" #include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/Optional.h" #include "llvm/ADT/Optional.h"
#include "llvm/ADT/SmallSet.h" #include "llvm/ADT/SmallBitVector.h"
#include "llvm/ProfileData/CoverageMappingReader.h" #include "llvm/ProfileData/CoverageMappingReader.h"
#include "llvm/ProfileData/InstrProfReader.h" #include "llvm/ProfileData/InstrProfReader.h"
#include "llvm/Support/Debug.h" #include "llvm/Support/Debug.h"
@ -340,42 +340,35 @@ std::vector<StringRef> CoverageMapping::getUniqueSourceFiles() const {
return Filenames; return Filenames;
} }
static Optional<unsigned> findMainViewFileID(StringRef SourceFile, static SmallBitVector gatherFileIDs(StringRef SourceFile,
const FunctionRecord &Function) { const FunctionRecord &Function) {
llvm::SmallVector<bool, 8> IsExpandedFile(Function.Filenames.size(), false); SmallBitVector FilenameEquivalence(Function.Filenames.size(), false);
llvm::SmallVector<bool, 8> FilenameEquivalence(Function.Filenames.size(),
false);
for (unsigned I = 0, E = Function.Filenames.size(); I < E; ++I) for (unsigned I = 0, E = Function.Filenames.size(); I < E; ++I)
if (SourceFile == Function.Filenames[I]) if (SourceFile == Function.Filenames[I])
FilenameEquivalence[I] = true; FilenameEquivalence[I] = true;
return FilenameEquivalence;
}
static Optional<unsigned> findMainViewFileID(StringRef SourceFile,
const FunctionRecord &Function) {
SmallBitVector IsNotExpandedFile(Function.Filenames.size(), true);
SmallBitVector FilenameEquivalence = gatherFileIDs(SourceFile, Function);
for (const auto &CR : Function.CountedRegions) for (const auto &CR : Function.CountedRegions)
if (CR.Kind == CounterMappingRegion::ExpansionRegion && if (CR.Kind == CounterMappingRegion::ExpansionRegion &&
FilenameEquivalence[CR.FileID]) FilenameEquivalence[CR.FileID])
IsExpandedFile[CR.ExpandedFileID] = true; IsNotExpandedFile[CR.ExpandedFileID] = false;
for (unsigned I = 0, E = Function.Filenames.size(); I < E; ++I) IsNotExpandedFile &= FilenameEquivalence;
if (FilenameEquivalence[I] && !IsExpandedFile[I]) int I = IsNotExpandedFile.find_first();
return I; return I != -1 ? I : None;
return None;
} }
static Optional<unsigned> findMainViewFileID(const FunctionRecord &Function) { static Optional<unsigned> findMainViewFileID(const FunctionRecord &Function) {
llvm::SmallVector<bool, 8> IsExpandedFile(Function.Filenames.size(), false); SmallBitVector IsNotExpandedFile(Function.Filenames.size(), false);
for (const auto &CR : Function.CountedRegions) for (const auto &CR : Function.CountedRegions)
if (CR.Kind == CounterMappingRegion::ExpansionRegion) if (CR.Kind == CounterMappingRegion::ExpansionRegion)
IsExpandedFile[CR.ExpandedFileID] = true; IsNotExpandedFile[CR.ExpandedFileID] = true;
for (unsigned I = 0, E = Function.Filenames.size(); I < E; ++I) int I = IsNotExpandedFile.find_first();
if (!IsExpandedFile[I]) return I != -1 ? I : None;
return I;
return None;
}
static SmallSet<unsigned, 8> gatherFileIDs(StringRef SourceFile,
const FunctionRecord &Function) {
SmallSet<unsigned, 8> IDs;
for (unsigned I = 0, E = Function.Filenames.size(); I < E; ++I)
if (SourceFile == Function.Filenames[I])
IDs.insert(I);
return IDs;
} }
/// Sort a nested sequence of regions from a single file. /// Sort a nested sequence of regions from a single file.
@ -403,7 +396,7 @@ CoverageData CoverageMapping::getCoverageForFile(StringRef Filename) {
continue; continue;
auto FileIDs = gatherFileIDs(Filename, Function); auto FileIDs = gatherFileIDs(Filename, Function);
for (const auto &CR : Function.CountedRegions) for (const auto &CR : Function.CountedRegions)
if (FileIDs.count(CR.FileID)) { if (FileIDs.test(CR.FileID)) {
Regions.push_back(CR); Regions.push_back(CR);
if (isExpansion(CR, *MainFileID)) if (isExpansion(CR, *MainFileID))
FileCoverage.Expansions.emplace_back(CR, Function); FileCoverage.Expansions.emplace_back(CR, Function);