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add a hack to allow parsing negative minint. rdar://7751341

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98442 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2010-03-13 19:25:13 +00:00
parent 3889fac428
commit 3a151be8d5
1 changed files with 8 additions and 2 deletions
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10
lib/MC/MCParser/AsmLexer.cpp
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@ -140,8 +140,14 @@ AsmToken AsmLexer::LexDigit() {
StringRef Result(TokStart, CurPtr - TokStart);
long long Value;
if (Result.getAsInteger(10, Value))
return ReturnError(TokStart, "Invalid decimal number");
if (Result.getAsInteger(10, Value)) {
// We have to handle minint_as_a_positive_value specially, because
// - minint_as_a_positive_value = minint and it is valid.
if (Result == "9223372036854775808")
Value = -9223372036854775808ULL;
else
return ReturnError(TokStart, "Invalid decimal number");
}
return AsmToken(AsmToken::Integer, Result, Value);
}