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[TableGen] Keep a returned const reference instead of making a copy. NFC 

llvm-svn: 258020
This commit is contained in:
Craig Topper 2016-01-17 20:38:21 +00:00
parent 8cc904d65b
commit 83421eccde
1 changed files with 1 additions and 1 deletions
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2
llvm/utils/TableGen/AsmWriterEmitter.cpp
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@ -559,7 +559,7 @@ void AsmWriterEmitter::EmitGetRegisterName(raw_ostream &O) {
Record *AsmWriter = Target.getAsmWriter();
std::string ClassName = AsmWriter->getValueAsString("AsmWriterClassName");
const auto &Registers = Target.getRegBank().getRegisters();
std::vector<Record*> AltNameIndices = Target.getRegAltNameIndices();
const std::vector<Record*> &AltNameIndices = Target.getRegAltNameIndices();
bool hasAltNames = AltNameIndices.size() > 1;
std::string Namespace =
Registers.front().TheDef->getValueAsString("Namespace");