Prune and tidy #includes.

llvm-svn: 51697

include/llvm/ADT/BitVector.h

@@ -17,7 +17,6 @@
 #include "llvm/Support/MathExtras.h"
 #include <algorithm>
 #include <cassert>
-#include <cstdlib>
 #include <cstring>
 
 namespace llvm {
@@ -65,7 +64,7 @@ public:
 
   /// BitVector default ctor - Creates an empty bitvector.
   BitVector() : Size(0), Capacity(0) {
-    Bits = NULL;
+    Bits = 0;
   }
 
   /// BitVector ctor - Creates a bitvector of specified number of bits. All
@@ -81,7 +80,7 @@ public:
   /// BitVector copy ctor.
   BitVector(const BitVector &RHS) : Size(RHS.size()) {
     if (Size == 0) {
-      Bits = NULL;
+      Bits = 0;
       Capacity = 0;
       return;
     }

include/llvm/Analysis/ScalarEvolution.h

@@ -24,8 +24,7 @@
 #include "llvm/Pass.h"
 #include "llvm/Analysis/LoopInfo.h"
 #include "llvm/Support/DataTypes.h"
-#include "llvm/Support/Streams.h"
-#include <set>
+#include <iosfwd>
 
 namespace llvm {
   class APInt;

include/llvm/Analysis/ScalarEvolutionExpander.h

@@ -14,13 +14,10 @@
 #ifndef LLVM_ANALYSIS_SCALAREVOLUTION_EXPANDER_H
 #define LLVM_ANALYSIS_SCALAREVOLUTION_EXPANDER_H
 
-#include "llvm/BasicBlock.h"
-#include "llvm/Constants.h"
 #include "llvm/Instructions.h"
 #include "llvm/Type.h"
 #include "llvm/Analysis/ScalarEvolution.h"
 #include "llvm/Analysis/ScalarEvolutionExpressions.h"
-#include "llvm/Support/CFG.h"
 
 namespace llvm {
   /// SCEVExpander - This class uses information about analyze scalars to

include/llvm/CodeGen/LiveInterval.h

@@ -23,9 +23,7 @@
 
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/Support/Allocator.h"
-#include "llvm/Support/Streams.h"
 #include <iosfwd>
-#include <vector>
 #include <cassert>
 
 namespace llvm {

include/llvm/CodeGen/MachineCodeEmitter.h

@@ -18,7 +18,6 @@
 #define LLVM_CODEGEN_MACHINECODEEMITTER_H
 
 #include "llvm/Support/DataTypes.h"
-#include <vector>
 
 namespace llvm {
 

include/llvm/CodeGen/MachineInstr.h

@@ -18,6 +18,7 @@
 
 #include "llvm/CodeGen/MachineOperand.h"
 #include "llvm/CodeGen/MachineMemOperand.h"
+#include <vector>
 
 namespace llvm {
 

include/llvm/CodeGen/MachineOperand.h

@@ -15,7 +15,6 @@
 #define LLVM_CODEGEN_MACHINEOPERAND_H
 
 #include "llvm/Support/DataTypes.h"
-#include <vector>
 #include <cassert>
 #include <iosfwd>
 

include/llvm/CodeGen/SelectionDAG.h

@@ -22,7 +22,6 @@
 #include <list>
 #include <vector>
 #include <map>
-#include <set>
 #include <string>
 
 namespace llvm {

include/llvm/System/Program.h

@@ -15,7 +15,6 @@
 #define LLVM_SYSTEM_PROGRAM_H
 
 #include "llvm/System/Path.h"
-#include <vector>
 
 namespace llvm {
 namespace sys {

include/llvm/Target/TargetJITInfo.h

@@ -17,7 +17,6 @@
 #ifndef LLVM_TARGET_TARGETJITINFO_H
 #define LLVM_TARGET_TARGETJITINFO_H
 
-#include <vector>
 #include <cassert>
 #include "llvm/Support/DataTypes.h"
 

include/llvm/Target/TargetMachine.h

@@ -16,7 +16,7 @@
 
 #include "llvm/Target/TargetInstrItineraries.h"
 #include <cassert>
-#include <string>
+#include <iosfwd>
 
 namespace llvm {
 

include/llvm/Transforms/Scalar.h

@@ -15,8 +15,6 @@
 #ifndef LLVM_TRANSFORMS_SCALAR_H
 #define LLVM_TRANSFORMS_SCALAR_H
 
-#include <cstdlib>
-
 namespace llvm {
 
 class FunctionPass;
@@ -271,7 +269,7 @@ extern const PassInfo *const LowerSwitchID;
 // purpose "my LLVM-to-LLVM pass doesn't support the invoke instruction yet"
 // lowering pass.
 //
-FunctionPass *createLowerInvokePass(const TargetLowering *TLI = NULL);
+FunctionPass *createLowerInvokePass(const TargetLowering *TLI = 0);
 extern const PassInfo *const LowerInvokePassID;
 
 //===----------------------------------------------------------------------===//

include/llvm/Transforms/Utils/FunctionUtils.h

@@ -14,12 +14,12 @@
 #ifndef LLVM_TRANSFORMS_UTILS_FUNCTION_H
 #define LLVM_TRANSFORMS_UTILS_FUNCTION_H
 
-#include "llvm/Analysis/Dominators.h"
 #include "llvm/Analysis/LoopInfo.h"
 #include <vector>
 
 namespace llvm {
   class BasicBlock;
+  class DominatorTree;
   class Function;
 
   /// ExtractCodeRegion - rip out a sequence of basic blocks into a new function

include/llvm/Value.h

@@ -18,7 +18,7 @@
 #include "llvm/AbstractTypeUser.h"
 #include "llvm/Use.h"
 #include "llvm/Support/Casting.h"
-#include "llvm/Support/Streams.h"
+#include <iosfwd>
 #include <string>
 
 namespace llvm {