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Fix some abuses of StringRef 

We were taking a StringRef to a temporary result, which can go horribly wrong.

llvm-svn: 174328
This commit is contained in:
Tim Northover 2013-02-04 15:44:38 +00:00
parent 2c9da989c2
commit 24937c12eb
1 changed files with 4 additions and 3 deletions
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7
llvm/lib/Target/AArch64/AsmParser/AArch64AsmParser.cpp
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@ -1207,8 +1207,8 @@ AArch64AsmParser::ParseRelocPrefix(AArch64MCExpr::VariantKind &RefKind) {
return MatchOperand_ParseFail;
}
StringRef lowerCase = Parser.getTok().getIdentifier().lower();
RefKind = StringSwitch<AArch64MCExpr::VariantKind>(lowerCase)
std::string LowerCase = Parser.getTok().getIdentifier().lower();
RefKind = StringSwitch<AArch64MCExpr::VariantKind>(LowerCase)
.Case("got", AArch64MCExpr::VK_AARCH64_GOT)
.Case("got_lo12", AArch64MCExpr::VK_AARCH64_GOT_LO12)
.Case("lo12", AArch64MCExpr::VK_AARCH64_LO12)
@ -1343,7 +1343,8 @@ AArch64AsmParser::ParseCRxOperand(
return MatchOperand_ParseFail;
}
StringRef Tok = Parser.getTok().getIdentifier().lower();
std::string LowerTok = Parser.getTok().getIdentifier().lower();
StringRef Tok(LowerTok);
if (Tok[0] != 'c') {
Error(S, "Expected cN operand where 0 <= N <= 15");
return MatchOperand_ParseFail;