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Remove superfluous copies in sample profiling. 

No functionliaty change intended.

llvm-svn: 321530
This commit is contained in:
Benjamin Kramer 2017-12-28 18:10:41 +00:00
parent 61085ca999
commit 24cb28bb54
3 changed files with 9 additions and 8 deletions
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4
llvm/include/llvm/ProfileData/SampleProf.h
View File

@ -226,8 +226,8 @@ public:
sampleprof_error addCalledTargetSamples(uint32_t LineOffset,
uint32_t Discriminator,
const std::string &FName,
uint64_t Num, uint64_t Weight = 1) {
StringRef FName, uint64_t Num,
uint64_t Weight = 1) {
return BodySamples[LineLocation(LineOffset, Discriminator)].addCalledTarget(
FName, Num, Weight);
}

2
llvm/lib/ProfileData/Coverage/CoverageMapping.cpp
View File

@ -628,7 +628,7 @@ CoverageMapping::getInstantiationGroups(StringRef Filename) const {
}
std::vector<InstantiationGroup> Result;
for (const auto &InstantiationSet : InstantiationSetCollector) {
for (auto &InstantiationSet : InstantiationSetCollector) {
InstantiationGroup IG{InstantiationSet.first.first,
InstantiationSet.first.second,
std::move(InstantiationSet.second)};

11
llvm/lib/Transforms/IPO/SampleProfile.cpp
View File

@ -181,8 +181,9 @@ public:
StringRef Name, bool IsThinLTOPreLink,
std::function<AssumptionCache &(Function &)> GetAssumptionCache,
std::function<TargetTransformInfo &(Function &)> GetTargetTransformInfo)
: GetAC(GetAssumptionCache), GetTTI(GetTargetTransformInfo),
Filename(Name), IsThinLTOPreLink(IsThinLTOPreLink) {}
: GetAC(std::move(GetAssumptionCache)),
GetTTI(std::move(GetTargetTransformInfo)), Filename(Name),
IsThinLTOPreLink(IsThinLTOPreLink) {}
bool doInitialization(Module &M);
bool runOnModule(Module &M, ModuleAnalysisManager *AM);
@ -1547,14 +1548,14 @@ bool SampleProfileLoader::runOnModule(Module &M, ModuleAnalysisManager *AM) {
// Populate the symbol map.
for (const auto &N_F : M.getValueSymbolTable()) {
std::string OrigName = N_F.getKey();
StringRef OrigName = N_F.getKey();
Function *F = dyn_cast<Function>(N_F.getValue());
if (F == nullptr)
continue;
SymbolMap[OrigName] = F;
auto pos = OrigName.find('.');
if (pos != std::string::npos) {
std::string NewName = OrigName.substr(0, pos);
if (pos != StringRef::npos) {
StringRef NewName = OrigName.substr(0, pos);
auto r = SymbolMap.insert(std::make_pair(NewName, F));
// Failiing to insert means there is already an entry in SymbolMap,
// thus there are multiple functions that are mapped to the same