Prune and tidy #includes.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@51697 91177308-0d34-0410-b5e6-96231b3b80d8

14 files changed, 8 insertions, 21 deletions

diff --git a/include/llvm/ADT/BitVector.h b/include/llvm/ADT/BitVector.h
index fccb1c6..a2f273d 100644
--- a/include/llvm/ADT/BitVector.h
+++ b/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;
     }
diff --git a/include/llvm/Analysis/ScalarEvolution.h b/include/llvm/Analysis/ScalarEvolution.h
index 4d9d5e5..a8e45e0 100644
--- a/include/llvm/Analysis/ScalarEvolution.h
+++ b/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;
diff --git a/include/llvm/Analysis/ScalarEvolutionExpander.h b/include/llvm/Analysis/ScalarEvolutionExpander.h
index ed520f5..daff373 100644
--- a/include/llvm/Analysis/ScalarEvolutionExpander.h
+++ b/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
diff --git a/include/llvm/CodeGen/LiveInterval.h b/include/llvm/CodeGen/LiveInterval.h
index 31d6947..e941a45 100644
--- a/include/llvm/CodeGen/LiveInterval.h
+++ b/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 {
diff --git a/include/llvm/CodeGen/MachineCodeEmitter.h b/include/llvm/CodeGen/MachineCodeEmitter.h
index e38eb06..86684d7 100644
--- a/include/llvm/CodeGen/MachineCodeEmitter.h
+++ b/include/llvm/CodeGen/MachineCodeEmitter.h
@@ -18,7 +18,6 @@
 #define LLVM_CODEGEN_MACHINECODEEMITTER_H
 
 #include "llvm/Support/DataTypes.h"
-#include <vector>
 
 namespace llvm {
 
diff --git a/include/llvm/CodeGen/MachineInstr.h b/include/llvm/CodeGen/MachineInstr.h
index 0c657db..6e46ab3 100644
--- a/include/llvm/CodeGen/MachineInstr.h
+++ b/include/llvm/CodeGen/MachineInstr.h
@@ -18,6 +18,7 @@
 
 #include "llvm/CodeGen/MachineOperand.h"
 #include "llvm/CodeGen/MachineMemOperand.h"
+#include <vector>
 
 namespace llvm {
 
diff --git a/include/llvm/CodeGen/MachineOperand.h b/include/llvm/CodeGen/MachineOperand.h
index d62c8f8..28d6352 100644
--- a/include/llvm/CodeGen/MachineOperand.h
+++ b/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>
 
diff --git a/include/llvm/CodeGen/SelectionDAG.h b/include/llvm/CodeGen/SelectionDAG.h
index b68ed60..77405e4 100644
--- a/include/llvm/CodeGen/SelectionDAG.h
+++ b/include/llvm/CodeGen/SelectionDAG.h
@@ -22,7 +22,6 @@
 #include <list>
 #include <vector>
 #include <map>
-#include <set>
 #include <string>
 
 namespace llvm {
diff --git a/include/llvm/System/Program.h b/include/llvm/System/Program.h
index 3e9a1f2..ecb909c 100644
--- a/include/llvm/System/Program.h
+++ b/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 {
diff --git a/include/llvm/Target/TargetJITInfo.h b/include/llvm/Target/TargetJITInfo.h
index 918319f..6e1eb43 100644
--- a/include/llvm/Target/TargetJITInfo.h
+++ b/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"
 
diff --git a/include/llvm/Target/TargetMachine.h b/include/llvm/Target/TargetMachine.h
index b495f85..e86af9f 100644
--- a/include/llvm/Target/TargetMachine.h
+++ b/include/llvm/Target/TargetMachine.h
@@ -16,7 +16,7 @@
 
 #include "llvm/Target/TargetInstrItineraries.h"
 #include <cassert>
-#include <string>
+#include <iosfwd>
 
 namespace llvm {
 
diff --git a/include/llvm/Transforms/Scalar.h b/include/llvm/Transforms/Scalar.h
index 9a165c9..d62cdc7 100644
--- a/include/llvm/Transforms/Scalar.h
+++ b/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;
 
 //===----------------------------------------------------------------------===//
diff --git a/include/llvm/Transforms/Utils/FunctionUtils.h b/include/llvm/Transforms/Utils/FunctionUtils.h
index 09afebe..dc7ef23 100644
--- a/include/llvm/Transforms/Utils/FunctionUtils.h
+++ b/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
diff --git a/include/llvm/Value.h b/include/llvm/Value.h
index efac8e8..af90b91 100644
--- a/include/llvm/Value.h
+++ b/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 {