diff options
Diffstat (limited to 'include/llvm/MC')
-rw-r--r-- | include/llvm/MC/MCInstrDesc.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/include/llvm/MC/MCInstrDesc.h b/include/llvm/MC/MCInstrDesc.h index 310f706..84d6380 100644 --- a/include/llvm/MC/MCInstrDesc.h +++ b/include/llvm/MC/MCInstrDesc.h @@ -17,6 +17,7 @@ #include "llvm/MC/MCInst.h" #include "llvm/MC/MCRegisterInfo.h" +#include "llvm/MC/MCSubtargetInfo.h" #include "llvm/Support/DataTypes.h" namespace llvm { @@ -145,6 +146,10 @@ public: const uint16_t *ImplicitUses; // Registers implicitly read by this instr const uint16_t *ImplicitDefs; // Registers implicitly defined by this instr const MCOperandInfo *OpInfo; // 'NumOperands' entries about operands + uint64_t DeprecatedFeatureMask;// Feature bits that this is deprecated on, if any + // A complex method to determine is a certain is deprecated or not, and return + // the reason for deprecation. + bool (*ComplexDeprecationInfo)(MCInst &, MCSubtargetInfo &, std::string &); /// \brief Returns the value of the specific constraint if /// it is set. Returns -1 if it is not set. @@ -158,6 +163,20 @@ public: return -1; } + /// \brief Returns true if a certain instruction is deprecated and if so + /// returns the reason in \p Info. + bool getDeprecatedInfo(MCInst &MI, MCSubtargetInfo &STI, + std::string &Info) const { + if (ComplexDeprecationInfo) + return ComplexDeprecationInfo(MI, STI, Info); + if (DeprecatedFeatureMask != 0) { + // FIXME: it would be nice to include the subtarget feature here. + Info = "deprecated"; + return true; + } + return false; + } + /// \brief Return the opcode number for this descriptor. unsigned getOpcode() const { return Opcode; |