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AsmParser: Don't allow null bytes in BB labels

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Since Value objects can't have null bytes in their name, we shouldn't
allow them in the labels of basic blocks.

llvm-svn: 223907
This commit is contained in:
David Majnemer 2014-12-10 02:10:35 +00:00
parent 2fceb99340
commit 6f52870a48
2 changed files with 6 additions and 1 deletions
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7
lib/AsmParser/LLLexer.cpp
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@ -393,7 +393,12 @@ lltok::Kind LLLexer::LexQuote() {
if (CurPtr[0] == ':') {
++CurPtr;
kind = lltok::LabelStr;
if (StringRef(StrVal).find_first_of(0) != StringRef::npos) {
Error("Null bytes are not allowed in names");
kind = lltok::Error;
} else {
kind = lltok::LabelStr;
}
}
return kind;

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test/Assembler/invalid-name2.ll Normal file
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