diff --git a/llvm/lib/Target/RISCV/MCTargetDesc/RISCVMCCodeEmitter.cpp b/llvm/lib/Target/RISCV/MCTargetDesc/RISCVMCCodeEmitter.cpp --- a/llvm/lib/Target/RISCV/MCTargetDesc/RISCVMCCodeEmitter.cpp +++ b/llvm/lib/Target/RISCV/MCTargetDesc/RISCVMCCodeEmitter.cpp @@ -84,6 +84,12 @@ unsigned getVMaskReg(const MCInst &MI, unsigned OpNo, SmallVectorImpl &Fixups, const MCSubtargetInfo &STI) const; + +private: + FeatureBitset computeAvailableFeatures(const FeatureBitset &FB) const; + void + verifyInstructionPredicates(const MCInst &MI, + const FeatureBitset &AvailableFeatures) const; }; } // end anonymous namespace @@ -185,6 +191,9 @@ void RISCVMCCodeEmitter::encodeInstruction(const MCInst &MI, raw_ostream &OS, SmallVectorImpl &Fixups, const MCSubtargetInfo &STI) const { + verifyInstructionPredicates(MI, + computeAvailableFeatures(STI.getFeatureBits())); + const MCInstrDesc &Desc = MCII.get(MI.getOpcode()); // Get byte count of instruction. unsigned Size = Desc.getSize(); @@ -397,4 +406,5 @@ } } +#define ENABLE_INSTR_PREDICATE_VERIFIER #include "RISCVGenMCCodeEmitter.inc"