[NFC] Remove unnecessary "#include"s from header files

llvm/include/llvm/Analysis/SparsePropagation.h

@@ -15,6 +15,7 @@
 #define LLVM_ANALYSIS_SPARSEPROPAGATION_H
 
 #include "llvm/ADT/SmallPtrSet.h"
+#include "llvm/IR/Constants.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/Support/Debug.h"
 #include <set>

llvm/include/llvm/Analysis/TargetFolder.h

@@ -20,6 +20,7 @@
 
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/Analysis/ConstantFolding.h"
+#include "llvm/IR/Constants.h"
 #include "llvm/IR/IRBuilderFolder.h"
 
 namespace llvm {

llvm/include/llvm/Analysis/ValueLattice.h

@@ -9,9 +9,10 @@
 #ifndef LLVM_ANALYSIS_VALUELATTICE_H
 #define LLVM_ANALYSIS_VALUELATTICE_H
 
+#include "llvm/IR/Constants.h"
 #include "llvm/IR/ConstantRange.h"
 #include "llvm/IR/Instructions.h"
-//
+
 //===----------------------------------------------------------------------===//
 //                               ValueLatticeElement
 //===----------------------------------------------------------------------===//

llvm/include/llvm/IR/AbstractCallSite.h

@@ -14,17 +14,17 @@
 #ifndef LLVM_IR_ABSTRACTCALLSITE_H
 #define LLVM_IR_ABSTRACTCALLSITE_H
 
-#include "llvm/IR/Argument.h"
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/Function.h"
 #include "llvm/IR/InstrTypes.h"
-#include "llvm/IR/Use.h"
 #include "llvm/IR/Value.h"
-#include "llvm/Support/Casting.h"
 #include <cassert>
 
 namespace llvm {
 
+class Argument;
+class Use;
+
 /// AbstractCallSite
 ///
 /// An abstract call site is a wrapper that allows to treat direct,

llvm/include/llvm/IR/Argument.h

@@ -14,7 +14,6 @@
 #define LLVM_IR_ARGUMENT_H
 
 #include "llvm/ADT/Twine.h"
-#include "llvm/ADT/ilist_node.h"
 #include "llvm/IR/Attributes.h"
 #include "llvm/IR/Value.h"
 

llvm/include/llvm/IR/AutoUpgrade.h

@@ -21,9 +21,10 @@ namespace llvm {
   class Constant;
   class Function;
   class Instruction;
+  class GlobalVariable;
   class MDNode;
   class Module;
-  class GlobalVariable;
+  class StringRef;
   class Type;
   class Value;
 

llvm/include/llvm/IR/BasicBlock.h

@@ -22,9 +22,6 @@
 #include "llvm/IR/Instruction.h"
 #include "llvm/IR/SymbolTableListTraits.h"
 #include "llvm/IR/Value.h"
-#include "llvm/Support/CBindingWrapping.h"
-#include "llvm/Support/Casting.h"
-#include "llvm/Support/Compiler.h"
 #include <cassert>
 #include <cstddef>
 #include <iterator>

llvm/include/llvm/IR/CFG.h

@@ -25,7 +25,6 @@
 #include "llvm/IR/BasicBlock.h"
 #include "llvm/IR/Function.h"
 #include "llvm/IR/Value.h"
-#include "llvm/Support/Casting.h"
 #include <cassert>
 #include <cstddef>
 #include <iterator>

llvm/include/llvm/IR/ConstantFolder.h

@@ -20,7 +20,6 @@
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/IR/Constants.h"
 #include "llvm/IR/IRBuilderFolder.h"
-#include "llvm/IR/InstrTypes.h"
 #include "llvm/IR/Instruction.h"
 
 namespace llvm {

llvm/include/llvm/IR/Function.h

@@ -32,8 +32,6 @@
 #include "llvm/IR/OperandTraits.h"
 #include "llvm/IR/SymbolTableListTraits.h"
 #include "llvm/IR/Value.h"
-#include "llvm/Support/Casting.h"
-#include "llvm/Support/Compiler.h"
 #include <cassert>
 #include <cstddef>
 #include <cstdint>

llvm/include/llvm/IR/InstVisitor.h

@@ -15,7 +15,6 @@
 #include "llvm/IR/IntrinsicInst.h"
 #include "llvm/IR/Intrinsics.h"
 #include "llvm/IR/Module.h"
-#include "llvm/Support/ErrorHandling.h"
 
 namespace llvm {
 

llvm/include/llvm/IR/InstrTypes.h

@@ -21,22 +21,16 @@
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/Sequence.h"
 #include "llvm/ADT/StringMap.h"
-#include "llvm/ADT/StringRef.h"
 #include "llvm/ADT/Twine.h"
 #include "llvm/ADT/iterator_range.h"
 #include "llvm/IR/Attributes.h"
 #include "llvm/IR/CallingConv.h"
-#include "llvm/IR/Constants.h"
 #include "llvm/IR/DerivedTypes.h"
 #include "llvm/IR/Function.h"
 #include "llvm/IR/Instruction.h"
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/IR/OperandTraits.h"
-#include "llvm/IR/Type.h"
 #include "llvm/IR/User.h"
-#include "llvm/IR/Value.h"
-#include "llvm/Support/Casting.h"
-#include "llvm/Support/ErrorHandling.h"
 #include <algorithm>
 #include <cassert>
 #include <cstddef>
@@ -47,6 +41,10 @@
 
 namespace llvm {
 
+class StringRef;
+class Type;
+class Value;
+
 namespace Intrinsic {
 typedef unsigned ID;
 }

llvm/include/llvm/IR/Instruction.h

@@ -24,7 +24,6 @@
 #include "llvm/IR/User.h"
 #include "llvm/IR/Value.h"
 #include "llvm/Support/AtomicOrdering.h"
-#include "llvm/Support/Casting.h"
 #include <cstdint>
 #include <utility>
 

llvm/include/llvm/IR/Instructions.h

@@ -21,24 +21,18 @@
 #include "llvm/ADT/None.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/SmallVector.h"
-#include "llvm/ADT/StringRef.h"
 #include "llvm/ADT/Twine.h"
 #include "llvm/ADT/iterator.h"
 #include "llvm/ADT/iterator_range.h"
-#include "llvm/IR/Attributes.h"
-#include "llvm/IR/BasicBlock.h"
 #include "llvm/IR/CFG.h"
 #include "llvm/IR/Constant.h"
 #include "llvm/IR/DerivedTypes.h"
 #include "llvm/IR/InstrTypes.h"
 #include "llvm/IR/Instruction.h"
 #include "llvm/IR/OperandTraits.h"
-#include "llvm/IR/Type.h"
 #include "llvm/IR/Use.h"
 #include "llvm/IR/User.h"
-#include "llvm/IR/Value.h"
 #include "llvm/Support/AtomicOrdering.h"
-#include "llvm/Support/Casting.h"
 #include "llvm/Support/ErrorHandling.h"
 #include <cassert>
 #include <cstddef>
@@ -47,9 +41,14 @@
 
 namespace llvm {
 
+class APFloat;
 class APInt;
+class BasicBlock;
 class ConstantInt;
 class DataLayout;
+class StringRef;
+class Type;
+class Value;
 
 //===----------------------------------------------------------------------===//
 //                                AllocaInst Class

llvm/include/llvm/IR/IntrinsicInst.h

@@ -31,7 +31,6 @@
 #include "llvm/IR/GlobalVariable.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/Intrinsics.h"
-#include "llvm/IR/Metadata.h"
 #include "llvm/IR/Value.h"
 #include "llvm/Support/Casting.h"
 #include <cassert>
@@ -39,6 +38,8 @@
 
 namespace llvm {
 
+class Metadata;
+
 /// A wrapper class for inspecting calls to intrinsic functions.
 /// This allows the standard isa/dyncast/cast functionality to work with calls
 /// to intrinsic functions.

llvm/lib/Analysis/DomTreeUpdater.cpp

@@ -14,6 +14,7 @@
 #include "llvm/Analysis/DomTreeUpdater.h"
 #include "llvm/ADT/SmallSet.h"
 #include "llvm/Analysis/PostDominators.h"
+#include "llvm/IR/Constants.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/Support/GenericDomTree.h"
 #include <algorithm>

llvm/lib/CodeGen/MachineModuleInfo.cpp

@@ -15,6 +15,7 @@
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/Passes.h"
 #include "llvm/IR/BasicBlock.h"
+#include "llvm/IR/Constants.h"
 #include "llvm/IR/DerivedTypes.h"
 #include "llvm/IR/DiagnosticInfo.h"
 #include "llvm/IR/Instructions.h"

llvm/lib/CodeGen/MachineVerifier.cpp

@@ -55,6 +55,7 @@
 #include "llvm/CodeGen/TargetRegisterInfo.h"
 #include "llvm/CodeGen/TargetSubtargetInfo.h"
 #include "llvm/IR/BasicBlock.h"
+#include "llvm/IR/Constants.h"
 #include "llvm/IR/Function.h"
 #include "llvm/IR/InlineAsm.h"
 #include "llvm/IR/Instructions.h"

llvm/lib/IR/ReplaceConstant.cpp

@@ -13,6 +13,7 @@
 
 #include "llvm/IR/ReplaceConstant.h"
 #include "llvm/ADT/SmallPtrSet.h"
+#include "llvm/IR/Constants.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/ValueMap.h"
 

llvm/lib/Passes/StandardInstrumentations.cpp

@@ -19,6 +19,7 @@
 #include "llvm/Analysis/CallGraphSCCPass.h"
 #include "llvm/Analysis/LazyCallGraph.h"
 #include "llvm/Analysis/LoopInfo.h"
+#include "llvm/IR/Constants.h"
 #include "llvm/IR/Function.h"
 #include "llvm/IR/LegacyPassManager.h"
 #include "llvm/IR/Module.h"

llvm/lib/Target/AArch64/AArch64MachineFunctionInfo.cpp

@@ -15,8 +15,9 @@
 
 #include "AArch64MachineFunctionInfo.h"
 #include "AArch64InstrInfo.h"
-#include <llvm/IR/Metadata.h>
-#include <llvm/IR/Module.h>
+#include "llvm/IR/Constants.h"
+#include "llvm/IR/Metadata.h"
+#include "llvm/IR/Module.h"
 
 using namespace llvm;
 

llvm/lib/Target/AMDGPU/AMDGPUOpenCLEnqueuedBlockLowering.cpp

@@ -34,6 +34,7 @@
 #include "AMDGPU.h"
 #include "llvm/ADT/DenseSet.h"
 #include "llvm/ADT/SmallString.h"
+#include "llvm/IR/Constants.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/Mangler.h"
 #include "llvm/IR/Module.h"

llvm/lib/Transforms/IPO/CalledValuePropagation.cpp

@@ -19,11 +19,13 @@
 #include "llvm/Transforms/IPO/CalledValuePropagation.h"
 #include "llvm/Analysis/SparsePropagation.h"
 #include "llvm/Analysis/ValueLatticeUtils.h"
+#include "llvm/IR/Constants.h"
 #include "llvm/IR/MDBuilder.h"
 #include "llvm/InitializePasses.h"
 #include "llvm/Pass.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Transforms/IPO.h"
+
 using namespace llvm;
 
 #define DEBUG_TYPE "called-value-propagation"

llvm/lib/Transforms/Utils/CallGraphUpdater.cpp

@@ -14,6 +14,7 @@
 
 #include "llvm/Transforms/Utils/CallGraphUpdater.h"
 #include "llvm/ADT/STLExtras.h"
+#include "llvm/IR/Constants.h"
 #include "llvm/Transforms/Utils/ModuleUtils.h"
 
 using namespace llvm;

llvm/lib/Transforms/Utils/UnifyLoopExits.cpp

@@ -19,6 +19,7 @@
 #include "llvm/Transforms/Utils/UnifyLoopExits.h"
 #include "llvm/ADT/MapVector.h"
 #include "llvm/Analysis/LoopInfo.h"
+#include "llvm/IR/Constants.h"
 #include "llvm/IR/Dominators.h"
 #include "llvm/InitializePasses.h"
 #include "llvm/Transforms/Utils.h"

llvm/tools/llvm-reduce/deltas/ReduceArguments.cpp

@@ -14,6 +14,7 @@
 #include "ReduceArguments.h"
 #include "Delta.h"
 #include "llvm/ADT/SmallVector.h"
+#include "llvm/IR/Constants.h"
 #include "llvm/IR/Intrinsics.h"
 #include <set>
 #include <vector>

llvm/tools/llvm-reduce/deltas/ReduceBasicBlocks.cpp

@@ -14,6 +14,7 @@
 #include "ReduceBasicBlocks.h"
 #include "llvm/ADT/DenseSet.h"
 #include "llvm/IR/BasicBlock.h"
+#include "llvm/IR/Constants.h"
 #include "llvm/IR/Instruction.h"
 #include "llvm/IR/Instructions.h"
 #include "llvm/IR/LLVMContext.h"

llvm/tools/llvm-reduce/deltas/ReduceFunctions.cpp

@@ -15,6 +15,7 @@
 #include "ReduceFunctions.h"
 #include "Delta.h"
 #include "llvm/ADT/STLExtras.h"
+#include "llvm/IR/Constants.h"
 #include "llvm/IR/Instructions.h"
 #include <iterator>
 #include <vector>

llvm/tools/llvm-reduce/deltas/ReduceInstructions.cpp

@@ -12,6 +12,7 @@
 //===----------------------------------------------------------------------===//
 
 #include "ReduceInstructions.h"
+#include "llvm/IR/Constants.h"
 
 using namespace llvm;
 

llvm/tools/llvm-reduce/deltas/ReduceOperandsToArgs.cpp

@@ -9,6 +9,7 @@
 #include "ReduceOperandsToArgs.h"
 #include "Delta.h"
 #include "llvm/ADT/Sequence.h"
+#include "llvm/IR/Constants.h"
 #include "llvm/IR/InstIterator.h"
 #include "llvm/IR/InstrTypes.h"
 #include "llvm/IR/Instructions.h"