caio/clang-p2996
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[ELF] Optimize two vector. NFC

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This commit is contained in:
Fangrui Song
2022-01-26 23:10:40 -08:00
parent afeb4a6628
commit 1372d53639
2 changed files with 5 additions and 6 deletions
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6
lld/ELF/MapFile.cpp
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@@ -91,9 +91,9 @@ static SymbolMapTy getSectionSyms(ArrayRef<Defined *> syms) {
// we do that in batch using parallel-for.
static DenseMap<Symbol *, std::string>
getSymbolStrings(ArrayRef<Defined *> syms) {
std::vector<std::string> str(syms.size());
auto strs = std::make_unique<std::string[]>(syms.size());
parallelForEachN(0, syms.size(), [&](size_t i) {
raw_string_ostream os(str[i]);
raw_string_ostream os(strs[i]);
OutputSection *osec = syms[i]->getOutputSection();
uint64_t vma = syms[i]->getVA();
uint64_t lma = osec ? osec->getLMA() + vma - osec->getVA(0) : 0;
@@ -103,7 +103,7 @@ getSymbolStrings(ArrayRef<Defined *> syms) {
DenseMap<Symbol *, std::string> ret;
for (size_t i = 0, e = syms.size(); i < e; ++i)
ret[syms[i]] = std::move(str[i]);
ret[syms[i]] = std::move(strs[i]);
return ret;
}