diff options
Diffstat (limited to 'llvm/lib/Target/SystemZ/AsmParser/SystemZAsmParser.cpp')
| -rw-r--r-- | llvm/lib/Target/SystemZ/AsmParser/SystemZAsmParser.cpp | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/llvm/lib/Target/SystemZ/AsmParser/SystemZAsmParser.cpp b/llvm/lib/Target/SystemZ/AsmParser/SystemZAsmParser.cpp index ee23692ad1d..33680789ee0 100644 --- a/llvm/lib/Target/SystemZ/AsmParser/SystemZAsmParser.cpp +++ b/llvm/lib/Target/SystemZ/AsmParser/SystemZAsmParser.cpp @@ -275,6 +275,10 @@ public: SMLoc getEndLoc() const override { return EndLoc; } void print(raw_ostream &OS) const override; + /// getLocRange - Get the range between the first and last token of this + /// operand. + SMRange getLocRange() const { return SMRange(StartLoc, EndLoc); } + // Used by the TableGen code to add particular types of operand // to an instruction. void addRegOperands(MCInst &Inst, unsigned N) const { @@ -1164,6 +1168,8 @@ bool SystemZAsmParser::parseOperand(OperandVector &Operands, return false; } +std::string SystemZMnemonicSpellCheck(StringRef S, uint64_t FBS); + bool SystemZAsmParser::MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode, OperandVector &Operands, MCStreamer &Out, @@ -1209,8 +1215,13 @@ bool SystemZAsmParser::MatchAndEmitInstruction(SMLoc IDLoc, unsigned &Opcode, return Error(ErrorLoc, "invalid operand for instruction"); } - case Match_MnemonicFail: - return Error(IDLoc, "invalid instruction"); + case Match_MnemonicFail: { + uint64_t FBS = ComputeAvailableFeatures(getSTI().getFeatureBits()); + std::string Suggestion = SystemZMnemonicSpellCheck( + ((SystemZOperand &)*Operands[0]).getToken(), FBS); + return Error(IDLoc, "invalid instruction" + Suggestion, + ((SystemZOperand &)*Operands[0]).getLocRange()); + } } llvm_unreachable("Unexpected match type"); |
