Move all of the header files which are involved in modelling the LLVM IR

into their new header subdirectory: include/llvm/IR. This matches the
directory structure of lib, and begins to correct a long standing point
of file layout clutter in LLVM.

There are still more header files to move here, but I wanted to handle
them in separate commits to make tracking what files make sense at each
layer easier.

The only really questionable files here are the target intrinsic
tablegen files. But that's a battle I'd rather not fight today.

I've updated both CMake and Makefile build systems (I think, and my
tests think, but I may have missed something).

I've also re-sorted the includes throughout the project. I'll be
committing updates to Clang, DragonEgg, and Polly momentarily.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@171366 91177308-0d34-0410-b5e6-96231b3b80d8

99 files changed, 177 insertions, 176 deletions

diff --git a/include/llvm/Analysis/BlockFrequencyImpl.h b/include/llvm/Analysis/BlockFrequencyImpl.h
index c7b36846dd..f220c58244 100644
--- a/include/llvm/Analysis/BlockFrequencyImpl.h
+++ b/include/llvm/Analysis/BlockFrequencyImpl.h
@@ -16,9 +16,9 @@
 
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/PostOrderIterator.h"
-#include "llvm/BasicBlock.h"
 #include "llvm/CodeGen/MachineBasicBlock.h"
 #include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/IR/BasicBlock.h"
 #include "llvm/Support/BlockFrequency.h"
 #include "llvm/Support/BranchProbability.h"
 #include "llvm/Support/Debug.h"
diff --git a/include/llvm/Analysis/CFGPrinter.h b/include/llvm/Analysis/CFGPrinter.h
index 2af7a0253e..fa596c3a3c 100644
--- a/include/llvm/Analysis/CFGPrinter.h
+++ b/include/llvm/Analysis/CFGPrinter.h
@@ -16,9 +16,9 @@
 #define LLVM_ANALYSIS_CFGPRINTER_H
 
 #include "llvm/Assembly/Writer.h"
-#include "llvm/Constants.h"
-#include "llvm/Function.h"
-#include "llvm/Instructions.h"
+#include "llvm/IR/Constants.h"
+#include "llvm/IR/Function.h"
+#include "llvm/IR/Instructions.h"
 #include "llvm/Support/CFG.h"
 #include "llvm/Support/GraphWriter.h"
 
diff --git a/include/llvm/Analysis/CallGraph.h b/include/llvm/Analysis/CallGraph.h
index d8b80df8fc..591484dd27 100644
--- a/include/llvm/Analysis/CallGraph.h
+++ b/include/llvm/Analysis/CallGraph.h
@@ -53,7 +53,7 @@
 
 #include "llvm/ADT/GraphTraits.h"
 #include "llvm/ADT/STLExtras.h"
-#include "llvm/Function.h"
+#include "llvm/IR/Function.h"
 #include "llvm/Pass.h"
 #include "llvm/Support/CallSite.h"
 #include "llvm/Support/IncludeFile.h"
diff --git a/include/llvm/Analysis/CaptureTracking.h b/include/llvm/Analysis/CaptureTracking.h
index 6ebe2d77be..5e2a5ecd9f 100644
--- a/include/llvm/Analysis/CaptureTracking.h
+++ b/include/llvm/Analysis/CaptureTracking.h
@@ -15,8 +15,8 @@
 #define LLVM_ANALYSIS_CAPTURETRACKING_H
 
 #include "llvm/Analysis/AliasAnalysis.h"
-#include "llvm/Constants.h"
-#include "llvm/Instructions.h"
+#include "llvm/IR/Constants.h"
+#include "llvm/IR/Instructions.h"
 #include "llvm/Support/CallSite.h"
 
 namespace llvm {
diff --git a/include/llvm/Analysis/DependenceAnalysis.h b/include/llvm/Analysis/DependenceAnalysis.h
index de2b3df5de..f49efd970a 100644
--- a/include/llvm/Analysis/DependenceAnalysis.h
+++ b/include/llvm/Analysis/DependenceAnalysis.h
@@ -41,7 +41,7 @@
 #define LLVM_ANALYSIS_DEPENDENCEANALYSIS_H
 
 #include "llvm/ADT/SmallBitVector.h"
-#include "llvm/Instructions.h"
+#include "llvm/IR/Instructions.h"
 #include "llvm/Pass.h"
 
 namespace llvm {
diff --git a/include/llvm/Analysis/Dominators.h b/include/llvm/Analysis/Dominators.h
index c69b1edec7..d62a3ac670 100644
--- a/include/llvm/Analysis/Dominators.h
+++ b/include/llvm/Analysis/Dominators.h
@@ -20,7 +20,7 @@
 #include "llvm/ADT/GraphTraits.h"
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/SmallVector.h"
-#include "llvm/Function.h"
+#include "llvm/IR/Function.h"
 #include "llvm/Pass.h"
 #include "llvm/Support/CFG.h"
 #include "llvm/Support/Compiler.h"
diff --git a/include/llvm/Analysis/InlineCost.h b/include/llvm/Analysis/InlineCost.h
index 515cbce345..42e329e8be 100644
--- a/include/llvm/Analysis/InlineCost.h
+++ b/include/llvm/Analysis/InlineCost.h
@@ -18,7 +18,7 @@
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/ValueMap.h"
 #include "llvm/Analysis/CodeMetrics.h"
-#include "llvm/Function.h"
+#include "llvm/IR/Function.h"
 #include <cassert>
 #include <climits>
 #include <vector>
diff --git a/include/llvm/Analysis/InstructionSimplify.h b/include/llvm/Analysis/InstructionSimplify.h
index e70bfe2860..b653e799f7 100644
--- a/include/llvm/Analysis/InstructionSimplify.h
+++ b/include/llvm/Analysis/InstructionSimplify.h
@@ -19,7 +19,7 @@
 #ifndef LLVM_ANALYSIS_INSTRUCTIONSIMPLIFY_H
 #define LLVM_ANALYSIS_INSTRUCTIONSIMPLIFY_H
 
-#include "llvm/User.h"
+#include "llvm/IR/User.h"
 
 namespace llvm {
   template<typename T>
diff --git a/include/llvm/Analysis/IntervalIterator.h b/include/llvm/Analysis/IntervalIterator.h
index 0968c7468e..bd9ab20c9b 100644
--- a/include/llvm/Analysis/IntervalIterator.h
+++ b/include/llvm/Analysis/IntervalIterator.h
@@ -34,7 +34,7 @@
 #define LLVM_INTERVAL_ITERATOR_H
 
 #include "llvm/Analysis/IntervalPartition.h"
-#include "llvm/Function.h"
+#include "llvm/IR/Function.h"
 #include "llvm/Support/CFG.h"
 #include <algorithm>
 #include <set>
diff --git a/include/llvm/Analysis/Loads.h b/include/llvm/Analysis/Loads.h
index afc90c2f74..ebcb762541 100644
--- a/include/llvm/Analysis/Loads.h
+++ b/include/llvm/Analysis/Loads.h
@@ -14,7 +14,7 @@
 #ifndef LLVM_ANALYSIS_LOADS_H
 #define LLVM_ANALYSIS_LOADS_H
 
-#include "llvm/BasicBlock.h"
+#include "llvm/IR/BasicBlock.h"
 
 namespace llvm {
 
diff --git a/include/llvm/Analysis/LoopPass.h b/include/llvm/Analysis/LoopPass.h
index 4c16daffc0..f78472aeb3 100644
--- a/include/llvm/Analysis/LoopPass.h
+++ b/include/llvm/Analysis/LoopPass.h
@@ -16,7 +16,7 @@
 #define LLVM_LOOP_PASS_H
 
 #include "llvm/Analysis/LoopInfo.h"
-#include "llvm/Function.h"
+#include "llvm/IR/Function.h"
 #include "llvm/Pass.h"
 #include "llvm/PassManagers.h"
 #include <deque>
diff --git a/include/llvm/Analysis/MemoryBuiltins.h b/include/llvm/Analysis/MemoryBuiltins.h
index 73e0e98cfd..f2c564f729 100644
--- a/include/llvm/Analysis/MemoryBuiltins.h
+++ b/include/llvm/Analysis/MemoryBuiltins.h
@@ -17,9 +17,9 @@
 
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/SmallPtrSet.h"
-#include "llvm/IRBuilder.h"
+#include "llvm/IR/IRBuilder.h"
+#include "llvm/IR/Operator.h"
 #include "llvm/InstVisitor.h"
-#include "llvm/Operator.h"
 #include "llvm/Support/DataTypes.h"
 #include "llvm/Support/TargetFolder.h"
 #include "llvm/Su