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ADd a method for when an instruction moves 

llvm-svn: 11626
This commit is contained in:
Chris Lattner 2004-02-19 18:28:22 +00:00
parent afa9d7eb85
commit bef87a990a
1 changed files with 6 additions and 0 deletions
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6
llvm/include/llvm/CodeGen/LiveVariables.h
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@ -167,6 +167,12 @@ public:
//===--------------------------------------------------------------------===//
// API to update live variable information
/// instructionChanged - When the address of an instruction changes, this
/// method should be called so that live variables can update its internal
/// data structures. This removes the records for OldMI, transfering them to
/// the records for NewMI.
void instructionChanged(MachineInstr *OldMI, MachineInstr *NewMI);
/// addVirtualRegisterKilled - Add information about the fact that the
/// specified register is killed after being used by the specified
/// instruction.