diff options
Diffstat (limited to 'llvm/tools/llvm-exegesis/lib/X86/Target.cpp')
| -rw-r--r-- | llvm/tools/llvm-exegesis/lib/X86/Target.cpp | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/llvm/tools/llvm-exegesis/lib/X86/Target.cpp b/llvm/tools/llvm-exegesis/lib/X86/Target.cpp index 6ef1953352f..01e3589cc2d 100644 --- a/llvm/tools/llvm-exegesis/lib/X86/Target.cpp +++ b/llvm/tools/llvm-exegesis/lib/X86/Target.cpp @@ -433,6 +433,10 @@ private: unsigned getMaxMemoryAccessSize() const override { return 64; } + void randomizeMCOperand(const Instruction &Instr, const Variable &Var, + llvm::MCOperand &AssignedValue, + const llvm::BitVector &ForbiddenRegs) const override; + void fillMemoryOperands(InstructionTemplate &IT, unsigned Reg, unsigned Offset) const override; @@ -485,6 +489,23 @@ ExegesisX86Target::getScratchMemoryRegister(const llvm::Triple &TT) const { return TT.isOSWindows() ? llvm::X86::RCX : llvm::X86::RDI; } +void ExegesisX86Target::randomizeMCOperand( + const Instruction &Instr, const Variable &Var, + llvm::MCOperand &AssignedValue, + const llvm::BitVector &ForbiddenRegs) const { + ExegesisTarget::randomizeMCOperand(Instr, Var, AssignedValue, ForbiddenRegs); + + const Operand &Op = Instr.getPrimaryOperand(Var); + switch (Op.getExplicitOperandInfo().OperandType) { + case llvm::X86::OperandType::OPERAND_COND_CODE: + // FIXME: explore all CC variants. + AssignedValue = llvm::MCOperand::createImm(1); + break; + default: + break; + } +} + void ExegesisX86Target::fillMemoryOperands(InstructionTemplate &IT, unsigned Reg, unsigned Offset) const { |
