diff options
| -rw-r--r-- | include/llvm/MC/MCRegisterInfo.h | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/include/llvm/MC/MCRegisterInfo.h b/include/llvm/MC/MCRegisterInfo.h index 9310b466f4..c793533fab 100644 --- a/include/llvm/MC/MCRegisterInfo.h +++ b/include/llvm/MC/MCRegisterInfo.h @@ -386,14 +386,24 @@ public: return RegEncodingTable[RegNo]; } - /// Returns true if regB is a sub-register of regA. - bool isSubRegister(unsigned regA, unsigned regB) const { - return isSuperRegister(regB, regA); + /// Returns true if RegB is a sub-register of RegA. + bool isSubRegister(unsigned RegA, unsigned RegB) const { + return isSuperRegister(RegB, RegA); } - /// Returns true if regB is a super-register of regA. + /// Returns true if RegB is a super-register of RegA. bool isSuperRegister(unsigned RegA, unsigned RegB) const; + /// Returns true if RegB is a sub-register of RegA or if RegB == RegA. + bool isSubRegisterEq(unsigned RegA, unsigned RegB) const { + return isSuperRegisterEq(RegB, RegA); + } + + /// Returns true if RegB is a super-register of RegA or if RegB == RegA. + bool isSuperRegisterEq(unsigned RegA, unsigned RegB) const { + return RegA == RegB || isSuperRegister(RegA, RegB); + } + }; //===----------------------------------------------------------------------===// |