[C++11] Replace llvm::next and llvm::prior with std::next and std::prev.

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

diff --git a/lib/CodeGen/PHIElimination.cpp b/lib/CodeGen/PHIElimination.cpp
index bf23ecac4db9f80884f0794d86c78c291bab6a11..b104eb4590877e8bf3238fc85215658495340871 100644 (file)
--- a/lib/CodeGen/PHIElimination.cpp
+++ b/lib/CodeGen/PHIElimination.cpp
@@ -186,7 +186,7 @@ bool PHIElimination::EliminatePHINodes(MachineFunction &MF,
   // Get an iterator to the first instruction after the last PHI node (this may
   // also be the end of the basic block).
   MachineBasicBlock::iterator LastPHIIt =
-    prior(MBB.SkipPHIsAndLabels(MBB.begin()));
+    std::prev(MBB.SkipPHIsAndLabels(MBB.begin()));
 
   while (MBB.front().isPHI())
     LowerPHINode(MBB, LastPHIIt);
@@ -222,7 +222,7 @@ void PHIElimination::LowerPHINode(MachineBasicBlock &MBB,
                                   MachineBasicBlock::iterator LastPHIIt) {
   ++NumLowered;
 
-  MachineBasicBlock::iterator AfterPHIsIt = llvm::next(LastPHIIt);
+  MachineBasicBlock::iterator AfterPHIsIt = std::next(LastPHIIt);
 
   // Unlink the PHI node from the basic block, but don't delete the PHI yet.
   MachineInstr *MPhi = MBB.remove(MBB.begin());
@@ -267,7 +267,7 @@ void PHIElimination::LowerPHINode(MachineBasicBlock &MBB,
 
   // Update live variable information if there is any.
   if (LV) {
-    MachineInstr *PHICopy = prior(AfterPHIsIt);
+    MachineInstr *PHICopy = std::prev(AfterPHIsIt);
 
     if (IncomingReg) {
       LiveVariables::VarInfo &VI = LV->getVarInfo(IncomingReg);
@@ -306,21 +306,21 @@ void PHIElimination::LowerPHINode(MachineBasicBlock &MBB,
 
   // Update LiveIntervals for the new copy or implicit def.
   if (LIS) {
-    MachineInstr *NewInstr = prior(AfterPHIsIt);
+    MachineInstr *NewInstr = std::prev(AfterPHIsIt);
     SlotIndex DestCopyIndex = LIS->InsertMachineInstrInMaps(NewInstr);
 
     SlotIndex MBBStartIndex = LIS->getMBBStartIdx(&MBB);
     if (IncomingReg) {
       // Add the region from the beginning of MBB to the copy instruction to
       // IncomingReg's live interval.
-      LiveInterval &IncomingLI = LIS->getOrCreateInterval(IncomingReg);
+      LiveInterval &IncomingLI = LIS->createEmptyInterval(IncomingReg);
       VNInfo *IncomingVNI = IncomingLI.getVNInfoAt(MBBStartIndex);
       if (!IncomingVNI)
         IncomingVNI = IncomingLI.getNextValue(MBBStartIndex,
                                               LIS->getVNInfoAllocator());
-      IncomingLI.addRange(LiveRange(MBBStartIndex,
-                                    DestCopyIndex.getRegSlot(),
-                                    IncomingVNI));
+      IncomingLI.addSegment(LiveInterval::Segment(MBBStartIndex,
+                                                  DestCopyIndex.getRegSlot(),
+                                                  IncomingVNI));
     }
 
     LiveInterval &DestLI = LIS->getInterval(DestReg);
@@ -332,14 +332,14 @@ void PHIElimination::LowerPHINode(MachineBasicBlock &MBB,
       // the copy instruction.
       VNInfo *OrigDestVNI = DestLI.getVNInfoAt(MBBStartIndex);
       assert(OrigDestVNI && "PHI destination should be live at block entry.");
-      DestLI.removeRange(MBBStartIndex, MBBStartIndex.getDeadSlot());
+      DestLI.removeSegment(MBBStartIndex, MBBStartIndex.getDeadSlot());
       DestLI.createDeadDef(DestCopyIndex.getRegSlot(),
                            LIS->getVNInfoAllocator());
       DestLI.removeValNo(OrigDestVNI);
     } else {
       // Otherwise, remove the region from the beginning of MBB to the copy
       // instruction from DestReg's live interval.
-      DestLI.removeRange(MBBStartIndex, DestCopyIndex.getRegSlot());
+      DestLI.removeSegment(MBBStartIndex, DestCopyIndex.getRegSlot());
       VNInfo *DestVNI = DestLI.getVNInfoAt(DestCopyIndex.getRegSlot());
       assert(DestVNI && "PHI destination should be live at its definition.");
       DestVNI->def = DestCopyIndex.getRegSlot();
@@ -444,7 +444,7 @@ void PHIElimination::LowerPHINode(MachineBasicBlock &MBB,
           }
         } else {
           // We just inserted this copy.
-          KillInst = prior(InsertPos);
+          KillInst = std::prev(InsertPos);
         }
       }
       assert(KillInst->readsRegister(SrcReg) && "Cannot find kill instruction");
@@ -460,7 +460,7 @@ void PHIElimination::LowerPHINode(MachineBasicBlock &MBB,
     if (LIS) {
       if (NewSrcInstr) {
         LIS->InsertMachineInstrInMaps(NewSrcInstr);
-        LIS->addLiveRangeToEndOfBlock(IncomingReg, NewSrcInstr);
+        LIS->addSegmentToEndOfBlock(IncomingReg, NewSrcInstr);
       }
 
       if (!SrcUndef &&
@@ -504,15 +504,15 @@ void PHIElimination::LowerPHINode(MachineBasicBlock &MBB,
               }
             } else {
               // We just inserted this copy.
-              KillInst = prior(InsertPos);
+              KillInst = std::prev(InsertPos);
             }
           }
           assert(KillInst->readsRegister(SrcReg) &&
                  "Cannot find kill instruction");
 
           SlotIndex LastUseIndex = LIS->getInstructionIndex(KillInst);
-          SrcLI.removeRange(LastUseIndex.getRegSlot(),
-                            LIS->getMBBEndIdx(&opBlock));
+          SrcLI.removeSegment(LastUseIndex.getRegSlot(),
+                              LIS->getMBBEndIdx(&opBlock));
         }
       }
     }
@@ -607,7 +607,7 @@ bool PHIElimination::SplitPHIEdges(MachineFunction &MF,
       if (!ShouldSplit)
         continue;
       if (!PreMBB->SplitCriticalEdge(&MBB, this)) {
-        DEBUG(dbgs() << "Failed to split ciritcal edge.\n");
+        DEBUG(dbgs() << "Failed to split critical edge.\n");
         continue;
       }
       Changed = true;