[llvm-commits] CVS: llvm/include/llvm/Target/TargetLowering.h

[Chris Lattner]

Changes in directory llvm/include/llvm/Target:

TargetLowering.h updated: 1.83 -> 1.84
---
Log message:

generalize this api


---
Diffs of the changes:  (+8 -2)

 TargetLowering.h |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)


Index: llvm/include/llvm/Target/TargetLowering.h
diff -u llvm/include/llvm/Target/TargetLowering.h:1.83 llvm/include/llvm/Target/TargetLowering.h:1.84
--- llvm/include/llvm/Target/TargetLowering.h:1.83	Tue Oct 31 13:40:43 2006
+++ llvm/include/llvm/Target/TargetLowering.h	Wed Nov  1 19:39:10 2006
@@ -687,8 +687,14 @@
 
   /// 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;