Add two static methods to avoid having client code explicitly compare against

FirstVirtualRegister


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@11031 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2004-01-31 19:57:11 +00:00
parent 97017de187
commit bd490d919b

View File

@ -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!");