diff options
Diffstat (limited to 'llvm/tools/llvm-exegesis/lib/X86/Target.cpp')
| -rw-r--r-- | llvm/tools/llvm-exegesis/lib/X86/Target.cpp | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/llvm/tools/llvm-exegesis/lib/X86/Target.cpp b/llvm/tools/llvm-exegesis/lib/X86/Target.cpp index b7548f8f3c3..db1a23b74cc 100644 --- a/llvm/tools/llvm-exegesis/lib/X86/Target.cpp +++ b/llvm/tools/llvm-exegesis/lib/X86/Target.cpp @@ -89,6 +89,12 @@ static llvm::Error IsInvalidOpcode(const Instruction &Instr) { Op.getExplicitOperandInfo().OperandType == llvm::MCOI::OPERAND_PCREL) return llvm::make_error<BenchmarkFailure>( "unsupported opcode: PC relative operand"); + for (const Operand &Op : Instr.Operands) + if (Op.isReg() && Op.isExplicit() && + Op.getExplicitOperandInfo().RegClass == + llvm::X86::SEGMENT_REGRegClassID) + return llvm::make_error<BenchmarkFailure>( + "unsupported opcode: access segment memory"); // We do not handle second-form X87 instructions. We only handle first-form // ones (_Fp), see comment in X86InstrFPStack.td. for (const Operand &Op : Instr.Operands) |
