diff --git a/include/llvm/Analysis/ConstantsScanner.h b/include/llvm/Analysis/ConstantsScanner.h
index cdaf68d75a6..d3d0a44bd6d 100644
--- a/include/llvm/Analysis/ConstantsScanner.h
+++ b/include/llvm/Analysis/ConstantsScanner.h
@@ -16,7 +16,7 @@
 #ifndef LLVM_ANALYSIS_CONSTANTSSCANNER_H
 #define LLVM_ANALYSIS_CONSTANTSSCANNER_H
 
-#include "llvm/Support/InstIterator.h"
+#include "llvm/IR/InstIterator.h"
 
 namespace llvm {
 
diff --git a/include/llvm/Support/InstIterator.h b/include/llvm/IR/InstIterator.h
similarity index 97%
rename from include/llvm/Support/InstIterator.h
rename to include/llvm/IR/InstIterator.h
index ac936a11a62..75e93bd2ff8 100644
--- a/include/llvm/Support/InstIterator.h
+++ b/include/llvm/IR/InstIterator.h
@@ -1,4 +1,4 @@
-//===- llvm/Support/InstIterator.h - Classes for inst iteration -*- C++ -*-===//
+//===- InstIterator.h - Classes for inst iteration --------------*- C++ -*-===//
 //
 //                     The LLVM Compiler Infrastructure
 //
@@ -16,8 +16,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-#ifndef LLVM_SUPPORT_INSTITERATOR_H
-#define LLVM_SUPPORT_INSTITERATOR_H
+#ifndef LLVM_IR_INSTITERATOR_H
+#define LLVM_IR_INSTITERATOR_H
 
 #include "llvm/IR/BasicBlock.h"
 #include "llvm/IR/Function.h"
diff --git a/lib/Analysis/AliasAnalysisEvaluator.cpp b/lib/Analysis/AliasAnalysisEvaluator.cpp
index 482119d3036..a83fa192aab 100644
--- a/lib/Analysis/AliasAnalysisEvaluator.cpp
+++ b/lib/Analysis/AliasAnalysisEvaluator.cpp
@@ -23,11 +23,11 @@
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/DerivedTypes.h"
 #include "llvm/IR/Function.h"
+#include "llvm/IR/InstIterator.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/Pass.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Debug.h"
-#include "llvm/Support/InstIterator.h"
 #include "llvm/Support/raw_ostream.h"
 using namespace llvm;
 
diff --git a/lib/Analysis/AliasSetTracker.cpp b/lib/Analysis/AliasSetTracker.cpp
index 035d16e4e47..c0030cea1df 100644
--- a/lib/Analysis/AliasSetTracker.cpp
+++ b/lib/Analysis/AliasSetTracker.cpp
@@ -14,6 +14,7 @@
 #include "llvm/Analysis/AliasSetTracker.h"
 #include "llvm/Analysis/AliasAnalysis.h"
 #include "llvm/IR/DataLayout.h"
+#include "llvm/IR/InstIterator.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/IntrinsicInst.h"
 #include "llvm/IR/LLVMContext.h"
@@ -21,7 +22,6 @@
 #include "llvm/Pass.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/InstIterator.h"
 #include "llvm/Support/raw_ostream.h"
 using namespace llvm;
 
diff --git a/lib/Analysis/Delinearization.cpp b/lib/Analysis/Delinearization.cpp
index d56d8d867f8..7c2a04bab9e 100644
--- a/lib/Analysis/Delinearization.cpp
+++ b/lib/Analysis/Delinearization.cpp
@@ -23,13 +23,13 @@
 #include "llvm/Analysis/ScalarEvolutionExpressions.h"
 #include "llvm/IR/DerivedTypes.h"
 #include "llvm/IR/Function.h"
+#include "llvm/IR/InstIterator.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/Type.h"
 #include "llvm/Pass.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Debug.h"
-#include "llvm/Support/InstIterator.h"
 #include "llvm/Support/raw_ostream.h"
 
 using namespace llvm;
diff --git a/lib/Analysis/DependenceAnalysis.cpp b/lib/Analysis/DependenceAnalysis.cpp
index b655be5a135..ff98611bae4 100644
--- a/lib/Analysis/DependenceAnalysis.cpp
+++ b/lib/Analysis/DependenceAnalysis.cpp
@@ -60,11 +60,11 @@
 #include "llvm/Analysis/ScalarEvolution.h"
 #include "llvm/Analysis/ScalarEvolutionExpressions.h"
 #include "llvm/Analysis/ValueTracking.h"
+#include "llvm/IR/InstIterator.h"
 #include "llvm/IR/Operator.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/InstIterator.h"
 #include "llvm/Support/raw_ostream.h"
 
 using namespace llvm;
diff --git a/lib/Analysis/IPA/FindUsedTypes.cpp b/lib/Analysis/IPA/FindUsedTypes.cpp
index d94ce686e3f..b37344b044c 100644
--- a/lib/Analysis/IPA/FindUsedTypes.cpp
+++ b/lib/Analysis/IPA/FindUsedTypes.cpp
@@ -16,8 +16,8 @@
 #include "llvm/Analysis/FindUsedTypes.h"
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/InstIterator.h"
 #include "llvm/IR/Module.h"
-#include "llvm/Support/InstIterator.h"
 #include "llvm/Support/raw_ostream.h"
 using namespace llvm;
 
diff --git a/lib/Analysis/IPA/GlobalsModRef.cpp b/lib/Analysis/IPA/GlobalsModRef.cpp
index cdae975d845..f2133f67751 100644
--- a/lib/Analysis/IPA/GlobalsModRef.cpp
+++ b/lib/Analysis/IPA/GlobalsModRef.cpp
@@ -24,12 +24,12 @@
 #include "llvm/Analysis/ValueTracking.h"
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/InstIterator.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/IntrinsicInst.h"
 #include "llvm/IR/Module.h"
 #include "llvm/Pass.h"
 #include "llvm/Support/CommandLine.h"
-#include "llvm/Support/InstIterator.h"
 #include <set>
 using namespace llvm;
 
diff --git a/lib/Analysis/MemDepPrinter.cpp b/lib/Analysis/MemDepPrinter.cpp
index 55dea6ad5ea..9242318f65f 100644
--- a/lib/Analysis/MemDepPrinter.cpp
+++ b/lib/Analysis/MemDepPrinter.cpp
@@ -13,10 +13,10 @@
 #include "llvm/Analysis/Passes.h"
 #include "llvm/ADT/SetVector.h"
 #include "llvm/Analysis/MemoryDependenceAnalysis.h"
+#include "llvm/IR/InstIterator.h"
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/Support/CallSite.h"
 #include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/InstIterator.h"
 #include "llvm/Support/raw_ostream.h"
 using namespace llvm;
 
diff --git a/lib/Analysis/ScalarEvolution.cpp b/lib/Analysis/ScalarEvolution.cpp
index f5739d4eab9..cb64f5a42ca 100644
--- a/lib/Analysis/ScalarEvolution.cpp
+++ b/lib/Analysis/ScalarEvolution.cpp
@@ -74,6 +74,7 @@
 #include "llvm/IR/Dominators.h"
 #include "llvm/IR/GlobalAlias.h"
 #include "llvm/IR/GlobalVariable.h"
+#include "llvm/IR/InstIterator.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/Operator.h"
@@ -82,7 +83,6 @@
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/GetElementPtrTypeIterator.h"
-#include "llvm/Support/InstIterator.h"
 #include "llvm/Support/MathExtras.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Target/TargetLibraryInfo.h"
diff --git a/lib/IR/Function.cpp b/lib/IR/Function.cpp
index c1fa3720e3f..1990dd86692 100644
--- a/lib/IR/Function.cpp
+++ b/lib/IR/Function.cpp
@@ -19,11 +19,11 @@
 #include "llvm/ADT/StringExtras.h"
 #include "llvm/CodeGen/ValueTypes.h"
 #include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/InstIterator.h"
 #include "llvm/IR/IntrinsicInst.h"
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/Module.h"
 #include "llvm/Support/CallSite.h"
-#include "llvm/Support/InstIterator.h"
 #include "llvm/Support/LeakDetector.h"
 #include "llvm/Support/ManagedStatic.h"
 #include "llvm/Support/RWMutex.h"
diff --git a/lib/Target/Mips/MipsConstantIslandPass.cpp b/lib/Target/Mips/MipsConstantIslandPass.cpp
index 0d70c3b0406..b864c5517be 100644
--- a/lib/Target/Mips/MipsConstantIslandPass.cpp
+++ b/lib/Target/Mips/MipsConstantIslandPass.cpp
@@ -34,10 +34,10 @@
 #include "llvm/CodeGen/MachineInstrBuilder.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/IR/Function.h"
+#include "llvm/IR/InstIterator.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/Format.h"
-#include "llvm/Support/InstIterator.h"
 #include "llvm/Support/MathExtras.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Target/TargetInstrInfo.h"
diff --git a/lib/Target/NVPTX/NVPTXLowerAggrCopies.cpp b/lib/Target/NVPTX/NVPTXLowerAggrCopies.cpp
index 574b6dab24d..7385e8f39a3 100644
--- a/lib/Target/NVPTX/NVPTXLowerAggrCopies.cpp
+++ b/lib/Target/NVPTX/NVPTXLowerAggrCopies.cpp
@@ -16,12 +16,12 @@
 #include "llvm/IR/DataLayout.h"
 #include "llvm/IR/Function.h"
 #include "llvm/IR/IRBuilder.h"
+#include "llvm/IR/InstIterator.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/IntrinsicInst.h"
 #include "llvm/IR/Intrinsics.h"
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/Module.h"
-#include "llvm/Support/InstIterator.h"
 
 using namespace llvm;
 
diff --git a/lib/Target/NVPTX/NVPTXSplitBBatBar.cpp b/lib/Target/NVPTX/NVPTXSplitBBatBar.cpp
index b64c30880b9..d4a778ca11e 100644
--- a/lib/Target/NVPTX/NVPTXSplitBBatBar.cpp
+++ b/lib/Target/NVPTX/NVPTXSplitBBatBar.cpp
@@ -14,10 +14,10 @@
 #include "NVPTXSplitBBatBar.h"
 #include "NVPTXUtilities.h"
 #include "llvm/IR/Function.h"
+#include "llvm/IR/InstIterator.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/IntrinsicInst.h"
 #include "llvm/IR/Intrinsics.h"
-#include "llvm/Support/InstIterator.h"
 
 using namespace llvm;
 
diff --git a/lib/Target/NVPTX/NVPTXUtilities.cpp b/lib/Target/NVPTX/NVPTXUtilities.cpp
index 6786eb02240..60a517392fe 100644
--- a/lib/Target/NVPTX/NVPTXUtilities.cpp
+++ b/lib/Target/NVPTX/NVPTXUtilities.cpp
@@ -24,7 +24,7 @@
 #include <vector>
 //#include <iostream>
 #include "llvm/Support/ManagedStatic.h"
-#include "llvm/Support/InstIterator.h"
+#include "llvm/IR/InstIterator.h"
 
 using namespace llvm;
 
diff --git a/lib/Transforms/IPO/FunctionAttrs.cpp b/lib/Transforms/IPO/FunctionAttrs.cpp
index 5ff55b0169e..45bb488cf6b 100644
--- a/lib/Transforms/IPO/FunctionAttrs.cpp
+++ b/lib/Transforms/IPO/FunctionAttrs.cpp
@@ -29,9 +29,9 @@
 #include "llvm/Analysis/CallGraphSCCPass.h"
 #include "llvm/Analysis/CaptureTracking.h"
 #include "llvm/IR/GlobalVariable.h"
+#include "llvm/IR/InstIterator.h"
 #include "llvm/IR/IntrinsicInst.h"
 #include "llvm/IR/LLVMContext.h"
-#include "llvm/Support/InstIterator.h"
 #include "llvm/Target/TargetLibraryInfo.h"
 using namespace llvm;
 
diff --git a/lib/Transforms/Instrumentation/BoundsChecking.cpp b/lib/Transforms/Instrumentation/BoundsChecking.cpp
index 76e4ac890eb..4a862b619f6 100644
--- a/lib/Transforms/Instrumentation/BoundsChecking.cpp
+++ b/lib/Transforms/Instrumentation/BoundsChecking.cpp
@@ -18,11 +18,11 @@
 #include "llvm/Analysis/MemoryBuiltins.h"
 #include "llvm/IR/DataLayout.h"
 #include "llvm/IR/IRBuilder.h"
+#include "llvm/IR/InstIterator.h"
 #include "llvm/IR/Intrinsics.h"
 #include "llvm/Pass.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Debug.h"
-#include "llvm/Support/InstIterator.h"
 #include "llvm/Support/TargetFolder.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Target/TargetLibraryInfo.h"
diff --git a/lib/Transforms/Instrumentation/GCOVProfiling.cpp b/lib/Transforms/Instrumentation/GCOVProfiling.cpp
index 95d1fb47225..9c84c5c3946 100644
--- a/lib/Transforms/Instrumentation/GCOVProfiling.cpp
+++ b/lib/Transforms/Instrumentation/GCOVProfiling.cpp
@@ -26,6 +26,7 @@
 #include "llvm/ADT/UniqueVector.h"
 #include "llvm/DebugInfo.h"
 #include "llvm/IR/IRBuilder.h"
+#include "llvm/IR/InstIterator.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/IntrinsicInst.h"
 #include "llvm/IR/Module.h"
@@ -34,7 +35,6 @@
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/DebugLoc.h"
 #include "llvm/Support/FileSystem.h"
-#include "llvm/Support/InstIterator.h"
 #include "llvm/Support/Path.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Transforms/Utils/ModuleUtils.h"
diff --git a/lib/Transforms/ObjCARC/ObjCARC.h b/lib/Transforms/ObjCARC/ObjCARC.h
index 8a6d67ef828..ce04f3eab27 100644
--- a/lib/Transforms/ObjCARC/ObjCARC.h
+++ b/lib/Transforms/ObjCARC/ObjCARC.h
@@ -27,10 +27,10 @@
 #include "llvm/Analysis/AliasAnalysis.h"
 #include "llvm/Analysis/Passes.h"
 #include "llvm/Analysis/ValueTracking.h"
+#include "llvm/IR/InstIterator.h"
 #include "llvm/IR/Module.h"
 #include "llvm/Pass.h"
 #include "llvm/Support/CallSite.h"
-#include "llvm/Support/InstIterator.h"
 #include "llvm/Transforms/ObjCARC.h"
 #include "llvm/Transforms/Utils/Local.h"
 
diff --git a/lib/Transforms/ObjCARC/ObjCARCExpand.cpp b/lib/Transforms/ObjCARC/ObjCARCExpand.cpp
index 39bf8f38735..69c45c275c1 100644
--- a/lib/Transforms/ObjCARC/ObjCARCExpand.cpp
+++ b/lib/Transforms/ObjCARC/ObjCARCExpand.cpp
@@ -28,6 +28,7 @@
 #include "ObjCARC.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/IR/Function.h"
+#include "llvm/IR/InstIterator.h"
 #include "llvm/IR/Instruction.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/Value.h"
@@ -37,7 +38,6 @@
 #include "llvm/PassSupport.h"
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/Debug.h"
-#include "llvm/Support/InstIterator.h"
 #include "llvm/Support/raw_ostream.h"
 
 namespace llvm {
diff --git a/lib/Transforms/Scalar/ADCE.cpp b/lib/Transforms/Scalar/ADCE.cpp
index a53b23ec446..1f4dd9fa5f6 100644
--- a/lib/Transforms/Scalar/ADCE.cpp
+++ b/lib/Transforms/Scalar/ADCE.cpp
@@ -21,11 +21,11 @@
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/Statistic.h"
 #include "llvm/IR/BasicBlock.h"
+#include "llvm/IR/InstIterator.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/IntrinsicInst.h"
 #include "llvm/Pass.h"
 #include "llvm/Support/CFG.h"
-#include "llvm/Support/InstIterator.h"
 using namespace llvm;
 
 STATISTIC(NumRemoved, "Number of instructions removed");
diff --git a/lib/Transforms/Scalar/ConstantProp.cpp b/lib/Transforms/Scalar/ConstantProp.cpp
index 8549b417446..04da65b701d 100644
--- a/lib/Transforms/Scalar/ConstantProp.cpp
+++ b/lib/Transforms/Scalar/ConstantProp.cpp
@@ -24,9 +24,9 @@
 #include "llvm/Analysis/ConstantFolding.h"
 #include "llvm/IR/Constant.h"
 #include "llvm/IR/DataLayout.h"
+#include "llvm/IR/InstIterator.h"
 #include "llvm/IR/Instruction.h"
 #include "llvm/Pass.h"
-#include "llvm/Support/InstIterator.h"
 #include "llvm/Target/TargetLibraryInfo.h"
 #include <set>
 using namespace llvm;
diff --git a/lib/Transforms/Scalar/DCE.cpp b/lib/Transforms/Scalar/DCE.cpp
index a4f24df384b..d32f7c33f17 100644
--- a/lib/Transforms/Scalar/DCE.cpp
+++ b/lib/Transforms/Scalar/DCE.cpp
@@ -19,9 +19,9 @@
 #define DEBUG_TYPE "dce"
 #include "llvm/Transforms/Scalar.h"
 #include "llvm/ADT/Statistic.h"
+#include "llvm/IR/InstIterator.h"
 #include "llvm/IR/Instruction.h"
 #include "llvm/Pass.h"
-#include "llvm/Support/InstIterator.h"
 #include "llvm/Target/TargetLibraryInfo.h"
 #include "llvm/Transforms/Utils/Local.h"
 using namespace llvm;
diff --git a/lib/Transforms/Scalar/SampleProfile.cpp b/lib/Transforms/Scalar/SampleProfile.cpp
index 129e66dcc64..48ed801569f 100644
--- a/lib/Transforms/Scalar/SampleProfile.cpp
+++ b/lib/Transforms/Scalar/SampleProfile.cpp
@@ -37,6 +37,7 @@
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/Dominators.h"
 #include "llvm/IR/Function.h"
+#include "llvm/IR/InstIterator.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/MDBuilder.h"
@@ -45,7 +46,6 @@
 #include "llvm/Pass.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Debug.h"
-#include "llvm/Support/InstIterator.h"
 #include "llvm/Support/LineIterator.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/Regex.h"
diff --git a/unittests/Analysis/CFGTest.cpp b/unittests/Analysis/CFGTest.cpp
index ab7e0a4ac00..bc029e37863 100644
--- a/unittests/Analysis/CFGTest.cpp
+++ b/unittests/Analysis/CFGTest.cpp
@@ -13,12 +13,12 @@
 #include "llvm/AsmParser/Parser.h"
 #include "llvm/IR/Dominators.h"
 #include "llvm/IR/Function.h"
+#include "llvm/IR/InstIterator.h"
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/Module.h"
 #include "llvm/Pass.h"
 #include "llvm/PassManager.h"
 #include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/InstIterator.h"
 #include "llvm/Support/SourceMgr.h"
 #include "gtest/gtest.h"