diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/MC/MCParser/AsmParser.cpp | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/lib/MC/MCParser/AsmParser.cpp b/lib/MC/MCParser/AsmParser.cpp index d5bc396..51ad5d1 100644 --- a/lib/MC/MCParser/AsmParser.cpp +++ b/lib/MC/MCParser/AsmParser.cpp @@ -325,9 +325,17 @@ bool AsmParser::ParseExpression(const MCExpr *&Res) { /// expr ::= primaryexpr /// bool AsmParser::ParseExpression(const MCExpr *&Res, SMLoc &EndLoc) { + // Parse the expression. Res = 0; - return ParsePrimaryExpr(Res, EndLoc) || - ParseBinOpRHS(1, Res, EndLoc); + if (ParsePrimaryExpr(Res, EndLoc) || ParseBinOpRHS(1, Res, EndLoc)) + return true; + + // Try to constant fold it up front, if possible. + int64_t Value; + if (Res->EvaluateAsAbsolute(Value)) + Res = MCConstantExpr::Create(Value, getContext()); + + return false; } bool AsmParser::ParseParenExpression(const MCExpr *&Res, SMLoc &EndLoc) { |