[llvm-commits] CVS: llvm/lib/Target/Alpha/AlphaRegisterInfo.cpp AlphaRegisterInfo.h

[Evan Cheng]

Changes in directory llvm/lib/Target/Alpha:

AlphaRegisterInfo.cpp updated: 1.63 -> 1.64
AlphaRegisterInfo.h updated: 1.22 -> 1.23
---
Log message:

Added MRegisterInfo hook to re-materialize an instruction.

---
Diffs of the changes:  (+12 -0)

 AlphaRegisterInfo.cpp |    9 +++++++++
 AlphaRegisterInfo.h   |    3 +++
 2 files changed, 12 insertions(+)


Index: llvm/lib/Target/Alpha/AlphaRegisterInfo.cpp
diff -u llvm/lib/Target/Alpha/AlphaRegisterInfo.cpp:1.63 llvm/lib/Target/Alpha/AlphaRegisterInfo.cpp:1.64
--- llvm/lib/Target/Alpha/AlphaRegisterInfo.cpp:1.63	Tue Feb 27 18:18:31 2007
+++ llvm/lib/Target/Alpha/AlphaRegisterInfo.cpp	Tue Mar 20 03:07:46 2007
@@ -155,6 +155,15 @@
   }
 }
 
+void AlphaRegisterInfo::reMaterialize(MachineBasicBlock &MBB,
+                                      MachineBasicBlock::iterator I,
+                                      unsigned DestReg,
+                                      const MachineInstr *Orig) const {
+  MachineInstr *MI = Orig->clone();
+  MI->getOperand(0).setReg(DestReg);
+  MBB.insert(I, MI);
+}
+
 const unsigned* AlphaRegisterInfo::getCalleeSavedRegs() const {
   static const unsigned CalleeSavedRegs[] = {
     Alpha::R9, Alpha::R10,


Index: llvm/lib/Target/Alpha/AlphaRegisterInfo.h
diff -u llvm/lib/Target/Alpha/AlphaRegisterInfo.h:1.22 llvm/lib/Target/Alpha/AlphaRegisterInfo.h:1.23
--- llvm/lib/Target/Alpha/AlphaRegisterInfo.h:1.22	Tue Feb 27 18:18:31 2007
+++ llvm/lib/Target/Alpha/AlphaRegisterInfo.h	Tue Mar 20 03:07:46 2007
@@ -45,6 +45,9 @@
                     unsigned DestReg, unsigned SrcReg,
                     const TargetRegisterClass *RC) const;
 
+  void reMaterialize(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
+                     unsigned DestReg, const MachineInstr *Orig) const;
+
   const unsigned *getCalleeSavedRegs() const;
 
   const TargetRegisterClass* const* getCalleeSavedRegClasses() const;