forked from OSchip/llvm-project
[tablegen] Avoid creating a temporary vector in getInstructionCase
Record::getValues returns ArrayRef which has a cast operator to std::vector, as a result a temporary vector is created if the type of the variable is const std::vector& that was suboptimal in this case. Differential revision: https://reviews.llvm.org/D34969 Test plan: make check-all llvm-svn: 307059
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@ -753,11 +753,8 @@ uint32_t InstrProfRecord::getNumValueKinds() const {
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uint32_t InstrProfRecord::getNumValueData(uint32_t ValueKind) const {
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uint32_t N = 0;
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const std::vector<InstrProfValueSiteRecord> &SiteRecords =
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getValueSitesForKind(ValueKind);
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for (auto &SR : SiteRecords) {
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for (auto &SR : getValueSitesForKind(ValueKind))
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N += SR.ValueData.size();
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}
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return N;
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}
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