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

Remove the old functions.

llvm-svn: 202636
diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
index 7dc47be0..193ee30 100644
--- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -6031,8 +6031,7 @@
   F->insert(It, loopMBB);
   F->insert(It, exitMBB);
   exitMBB->splice(exitMBB->begin(), BB,
-                  llvm::next(MachineBasicBlock::iterator(MI)),
-                  BB->end());
+                  std::next(MachineBasicBlock::iterator(MI)), BB->end());
   exitMBB->transferSuccessorsAndUpdatePHIs(BB);
 
   MachineRegisterInfo &RegInfo = F->getRegInfo();
@@ -6100,8 +6099,7 @@
   F->insert(It, loopMBB);
   F->insert(It, exitMBB);
   exitMBB->splice(exitMBB->begin(), BB,
-                  llvm::next(MachineBasicBlock::iterator(MI)),
-                  BB->end());
+                  std::next(MachineBasicBlock::iterator(MI)), BB->end());
   exitMBB->transferSuccessorsAndUpdatePHIs(BB);
 
   MachineRegisterInfo &RegInfo = F->getRegInfo();
@@ -6253,7 +6251,7 @@
 
   // Transfer the remainder of BB and its successor edges to sinkMBB.
   sinkMBB->splice(sinkMBB->begin(), MBB,
-                  llvm::next(MachineBasicBlock::iterator(MI)), MBB->end());
+                  std::next(MachineBasicBlock::iterator(MI)), MBB->end());
   sinkMBB->transferSuccessorsAndUpdatePHIs(MBB);
 
   // Note that the structure of the jmp_buf used here is not compatible
@@ -6518,8 +6516,7 @@
 
     // Transfer the remainder of BB and its successor edges to sinkMBB.
     sinkMBB->splice(sinkMBB->begin(), BB,
-                    llvm::next(MachineBasicBlock::iterator(MI)),
-                    BB->end());
+                    std::next(MachineBasicBlock::iterator(MI)), BB->end());
     sinkMBB->transferSuccessorsAndUpdatePHIs(BB);
 
     // Next, add the true and fallthrough blocks as its successors.
@@ -6639,8 +6636,7 @@
     F->insert(It, midMBB);
     F->insert(It, exitMBB);
     exitMBB->splice(exitMBB->begin(), BB,
-                    llvm::next(MachineBasicBlock::iterator(MI)),
-                    BB->end());
+                    std::next(MachineBasicBlock::iterator(MI)), BB->end());
     exitMBB->transferSuccessorsAndUpdatePHIs(BB);
 
     //  thisMBB:
@@ -6710,8 +6706,7 @@
     F->insert(It, midMBB);
     F->insert(It, exitMBB);
     exitMBB->splice(exitMBB->begin(), BB,
-                    llvm::next(MachineBasicBlock::iterator(MI)),
-                    BB->end());
+                    std::next(MachineBasicBlock::iterator(MI)), BB->end());
     exitMBB->transferSuccessorsAndUpdatePHIs(BB);
 
     MachineRegisterInfo &RegInfo = F->getRegInfo();