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This patch checks for valid mnemonics at the beginning of parseInstruction method, thus giving the user the right error message for non-existing instructions.

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llvm-svn: 186512
This commit is contained in:
Vladimir Medic 2013-07-17 15:00:42 +00:00
parent a045716bb8
commit 3b0689d2d1
1 changed files with 5 additions and 0 deletions
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5
lib/Target/Mips/AsmParser/MipsAsmParser.cpp
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@ -1495,6 +1495,11 @@ MCSymbolRefExpr::VariantKind MipsAsmParser::getVariantKind(StringRef Symbol) {
bool MipsAsmParser:: bool MipsAsmParser::
ParseInstruction(ParseInstructionInfo &Info, StringRef Name, SMLoc NameLoc, ParseInstruction(ParseInstructionInfo &Info, StringRef Name, SMLoc NameLoc,
SmallVectorImpl<MCParsedAsmOperand*> &Operands) { SmallVectorImpl<MCParsedAsmOperand*> &Operands) {
// Check if we have valid mnemonic
if (!mnemonicIsValid(Name)) {
Parser.eatToEndOfStatement();
return Error(NameLoc, "Unknown instruction");
}
// First operand in MCInst is instruction mnemonic. // First operand in MCInst is instruction mnemonic.
Operands.push_back(MipsOperand::CreateToken(Name, NameLoc)); Operands.push_back(MipsOperand::CreateToken(Name, NameLoc));