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| author | Chris Lattner <sabre@nondot.org> | 2010-03-13 19:25:13 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2010-03-13 19:25:13 +0000 |
| commit | 3a151be8d5f85ca12737f5664ef91192014a4f77 (patch) | |
| tree | 73a28c491bad864bd7ad6cb87f4a1a88ccf15969 /lib/MC/MCParser | |
| parent | 3889fac428d559e5a0b6bcbcd8a55047d3e0663e (diff) | |
| download | external_llvm-3a151be8d5f85ca12737f5664ef91192014a4f77.zip external_llvm-3a151be8d5f85ca12737f5664ef91192014a4f77.tar.gz external_llvm-3a151be8d5f85ca12737f5664ef91192014a4f77.tar.bz2 | |
add a hack to allow parsing negative minint. rdar://7751341
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98442 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/MC/MCParser')
| -rw-r--r-- | lib/MC/MCParser/AsmLexer.cpp | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/lib/MC/MCParser/AsmLexer.cpp b/lib/MC/MCParser/AsmLexer.cpp index 482eefd..22c8d76 100644 --- a/lib/MC/MCParser/AsmLexer.cpp +++ b/lib/MC/MCParser/AsmLexer.cpp @@ -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); } |