Add a simple optimization to simplify the input to

[oota-llvm.git] / lib / CodeGen / PHIElimination.cpp

diff --git a/lib/CodeGen/PHIElimination.cpp b/lib/CodeGen/PHIElimination.cpp
index 9b5a115d93aa6971b7c1248eab01432519d0f9b1..ffec6ca6d78ce8d70dff0cc3a57f83f6e93f995f 100644 (file)
--- a/lib/CodeGen/PHIElimination.cpp
+++ b/lib/CodeGen/PHIElimination.cpp
@@ -33,7 +33,7 @@ STATISTIC(NumAtomic, "Number of atomic phis lowered");
 
 namespace {
   struct VISIBILITY_HIDDEN PNE : public MachineFunctionPass {
-    static char ID; // Pass identifcation, replacement for typeid
+    static char ID; // Pass identification, replacement for typeid
     PNE() : MachineFunctionPass((intptr_t)&ID) {}
 
     bool runOnMachineFunction(MachineFunction &Fn) {
@@ -135,7 +135,7 @@ void PNE::LowerAtomicPHINode(MachineBasicBlock &MBB,
   // into the phi node destination.
   //
   const MRegisterInfo *RegInfo = MF.getTarget().getRegisterInfo();
-  RegInfo->copyRegToReg(MBB, AfterPHIsIt, DestReg, IncomingReg, RC);
+  RegInfo->copyRegToReg(MBB, AfterPHIsIt, DestReg, IncomingReg, RC, RC);
 
   // Update live variable information if there is any...
   LiveVariables *LV = getAnalysisToUpdate<LiveVariables>();
@@ -200,7 +200,7 @@ void PNE::LowerAtomicPHINode(MachineBasicBlock &MBB,
     MachineBasicBlock::iterator I = opBlock.getFirstTerminator();
     
     // Insert the copy.
-    RegInfo->copyRegToReg(opBlock, I, IncomingReg, SrcReg, RC);
+    RegInfo->copyRegToReg(opBlock, I, IncomingReg, SrcReg, RC, RC);
 
     // Now update live variable information if we have it.  Otherwise we're done
     if (!LV) continue;