[llvm-commits] CVS: llvm/lib/Target/PowerPC/PPCRegisterInfo.cpp PPCRegisterInfo.h

[Evan Cheng]

Changes in directory llvm/lib/Target/PowerPC:

PPCRegisterInfo.cpp updated: 1.116 -> 1.117
PPCRegisterInfo.h updated: 1.33 -> 1.34
---
Log message:

Added MRegisterInfo hook to re-materialize an instruction.

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

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


Index: llvm/lib/Target/PowerPC/PPCRegisterInfo.cpp
diff -u llvm/lib/Target/PowerPC/PPCRegisterInfo.cpp:1.116 llvm/lib/Target/PowerPC/PPCRegisterInfo.cpp:1.117
--- llvm/lib/Target/PowerPC/PPCRegisterInfo.cpp:1.116	Tue Mar  6 04:05:14 2007
+++ llvm/lib/Target/PowerPC/PPCRegisterInfo.cpp	Tue Mar 20 03:08:30 2007
@@ -239,6 +239,15 @@
   }
 }
 
+void PPCRegisterInfo::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* PPCRegisterInfo::getCalleeSavedRegs() const {
   // 32-bit Darwin calling convention. 
   static const unsigned Darwin32_CalleeSavedRegs[] = {


Index: llvm/lib/Target/PowerPC/PPCRegisterInfo.h
diff -u llvm/lib/Target/PowerPC/PPCRegisterInfo.h:1.33 llvm/lib/Target/PowerPC/PPCRegisterInfo.h:1.34
--- llvm/lib/Target/PowerPC/PPCRegisterInfo.h:1.33	Tue Mar  6 04:05:14 2007
+++ llvm/lib/Target/PowerPC/PPCRegisterInfo.h	Tue Mar 20 03:08:30 2007
@@ -49,6 +49,9 @@
                     unsigned DestReg, unsigned SrcReg,
                     const TargetRegisterClass *RC) const;
 
+  void reMaterialize(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
+                     unsigned DestReg, const MachineInstr *Orig) const;
+
   /// foldMemoryOperand - PowerPC (like most RISC's) can only fold spills into
   /// copy instructions, turning them into load/store instructions.
   virtual MachineInstr* foldMemoryOperand(MachineInstr* MI, unsigned OpNum,