diff --git a/lib/CodeGen/IntrinsicLowering.cpp b/lib/CodeGen/IntrinsicLowering.cpp
index e1c52f7..63bb5f2 100644
--- a/lib/CodeGen/IntrinsicLowering.cpp
+++ b/lib/CodeGen/IntrinsicLowering.cpp
@@ -83,6 +83,12 @@
   return NewCI;
 }
 
+// VisualStudio defines setjmp as _setjmp
+#if defined(_MSC_VER) && defined(setjmp)
+#define setjmp_undefined_for_visual_studio
+#undef setjmp
+#endif
+
 void IntrinsicLowering::AddPrototypes(Module &M) {
   LLVMContext &Context = M.getContext();
   for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I)
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 1d87e79..695b791 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -3726,6 +3726,12 @@
   return true;
 }
 
+// VisualStudio defines setjmp as _setjmp
+#if defined(_MSC_VER) && defined(setjmp)
+#define setjmp_undefined_for_visual_studio
+#undef setjmp
+#endif
+
 /// visitIntrinsicCall - Lower the call to the specified intrinsic function.  If
 /// we want to emit this as a call to a named external function, return the name
 /// otherwise lower it and return null.
diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 8a4a1b1..4642310 100644
--- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -2417,7 +2417,7 @@
 getRegForInlineAsmConstraint(const std::string &Constraint,
                              EVT VT) const {
   if (Constraint[0] != '{')
-    return std::pair<unsigned, const TargetRegisterClass*>(0, 0);
+    return std::make_pair(0u, static_cast<TargetRegisterClass*>(0));
   assert(*(Constraint.end()-1) == '}' && "Not a brace enclosed constraint?");
 
   // Remove the braces from around the name.
@@ -2449,7 +2449,7 @@
     }
   }
   
-  return std::pair<unsigned, const TargetRegisterClass*>(0, 0);
+  return std::make_pair(0u, static_cast<const TargetRegisterClass*>(0));
 }
 
 //===----------------------------------------------------------------------===//
diff --git a/lib/CodeGen/Spiller.cpp b/lib/CodeGen/Spiller.cpp
index 735ca31..a7b2efe 100644
--- a/lib/CodeGen/Spiller.cpp
+++ b/lib/CodeGen/Spiller.cpp
@@ -451,9 +451,9 @@
         // reg.
         MachineBasicBlock *useMBB = useInst->getParent();
         MachineBasicBlock::iterator useItr(useInst);
-        tii->copyRegToReg(*useMBB, next(useItr), li->reg, newVReg, trc, trc,
+        tii->copyRegToReg(*useMBB, llvm::next(useItr), li->reg, newVReg, trc, trc,
                           DebugLoc());
-        MachineInstr *copyMI = next(useItr);
+        MachineInstr *copyMI = llvm::next(useItr);
         copyMI->addRegisterKilled(newVReg, tri);
         SlotIndex copyIdx = lis->InsertMachineInstrInMaps(copyMI);