Added MRegisterInfo hook to re-materialize an instruction.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35205 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 9 insertions, 0 deletions

diff --git a/lib/Target/PowerPC/PPCRegisterInfo.cpp b/lib/Target/PowerPC/PPCRegisterInfo.cpp
index 1029babe99..0b9602be36 100644
--- a/lib/Target/PowerPC/PPCRegisterInfo.cpp
+++ b/lib/Target/PowerPC/PPCRegisterInfo.cpp
@@ -239,6 +239,15 @@ void PPCRegisterInfo::copyRegToReg(MachineBasicBlock &MBB,
   }
 }
 
+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[] = {