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);
+ }
+
};
//===----------------------------------------------------------------------===//