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

FirstVirtualRegister

llvm-svn: 11031
This commit is contained in:
Chris Lattner 2004-01-31 19:57:11 +00:00
parent cdf48ab294
commit f5e7107425
1 changed files with 12 additions and 0 deletions
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12
llvm/include/llvm/Target/MRegisterInfo.h
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@ -136,6 +136,18 @@ public:
FirstVirtualRegister = 1024, 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 { const MRegisterDesc &operator[](unsigned RegNo) const {
assert(RegNo < NumRegs && assert(RegNo < NumRegs &&
"Attempting to access record for invalid register number!"); "Attempting to access record for invalid register number!");