expose a new virtual method

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23555 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-09-30 07:06:37 +00:00
parent e4047188e7
commit 2f9dbe8ee6

View File

@ -25,6 +25,7 @@ namespace llvm {
class Type;
class MachineFunction;
class MachineInstr;
class TargetRegisterClass;
/// MRegisterDesc - This record contains all of the information known about a
/// particular register. The AliasSet field (if not null) contains a pointer to
@ -214,8 +215,14 @@ public:
return false;
}
/// getCalleeSaveRegs - Return a null-terminated list of all of the
/// callee-save registers on this target.
virtual const unsigned* getCalleeSaveRegs() const = 0;
/// getCalleeSaveRegClasses - Return a null-terminated list of the preferred
/// register classes to spill each callee-saved register with. The order and
/// length of this list match the getCalleeSaveRegs() list.
virtual const TargetRegisterClass* const *getCalleeSaveRegClasses() const = 0;
//===--------------------------------------------------------------------===//
// Register Class Information