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expose a new virtual method

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llvm-svn: 23555
This commit is contained in:
Chris Lattner 2005-09-30 07:06:37 +00:00
parent 8e4d17179d
commit 18454e037b
1 changed files with 7 additions and 0 deletions
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7
include/llvm/Target/MRegisterInfo.h
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@ -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