diff options
| -rw-r--r-- | include/llvm/Target/MRegisterInfo.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/llvm/Target/MRegisterInfo.h b/include/llvm/Target/MRegisterInfo.h index 3217b47b72..3d67d8c409 100644 --- a/include/llvm/Target/MRegisterInfo.h +++ b/include/llvm/Target/MRegisterInfo.h @@ -136,6 +136,18 @@ public: FirstVirtualRegister = 1024, }; + /// isPhysicalRegister - Return true if the specified register number is in + /// the physical register namespace. + static bool isPhysicalRegister(unsigned Reg) { + return Reg < FirstVirtualRegister; + } + + /// isVirtualRegister - Return true if the specified register number is in + /// the virtual register namespace. + static bool isVirtualRegister(unsigned Reg) { + return Reg >= FirstVirtualRegister; + } + const MRegisterDesc &operator[](unsigned RegNo) const { assert(RegNo < NumRegs && "Attempting to access record for invalid register number!"); |