generalize this api

llvm-svn: 31365
This commit is contained in:
Chris Lattner 2006-11-02 01:39:10 +00:00
parent 1da5ee8485
commit 4cb79a5f9d

View File

@ -687,8 +687,14 @@ public:
/// getRegForInlineAsmConstraint - Given a physical register constraint (e.g.
/// {edx}), return the register number and the register class for the
/// register. This should only be used for C_Register constraints. On error,
/// this returns a register number of 0.
/// register.
///
/// Given a register class constraint, like 'r', if this corresponds directly
/// to an LLVM register class, return a register of 0 and the register class
/// pointer.
///
/// This should only be used for C_Register constraints. On error,
/// this returns a register number of 0 and a null register class pointer..
virtual std::pair<unsigned, const TargetRegisterClass*>
getRegForInlineAsmConstraint(const std::string &Constraint,
MVT::ValueType VT) const;