Tidy up #includes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76072 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/Analysis/AliasSetTracker.h b/include/llvm/Analysis/AliasSetTracker.h
index 786c1d1..0a9e278 100644
--- a/include/llvm/Analysis/AliasSetTracker.h
+++ b/include/llvm/Analysis/AliasSetTracker.h
@@ -18,7 +18,6 @@
 #define LLVM_ANALYSIS_ALIASSETTRACKER_H
 
 #include "llvm/Support/CallSite.h"
-#include "llvm/Support/Streams.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/iterator.h"
 #include "llvm/ADT/ilist.h"
diff --git a/include/llvm/Analysis/Trace.h b/include/llvm/Analysis/Trace.h
index fd615fc..04f0a78 100644
--- a/include/llvm/Analysis/Trace.h
+++ b/include/llvm/Analysis/Trace.h
@@ -18,9 +18,9 @@
 #ifndef LLVM_ANALYSIS_TRACE_H
 #define LLVM_ANALYSIS_TRACE_H
 
-#include "llvm/Support/Streams.h"
 #include <vector>
 #include <cassert>
+#include <iosfwd>
 
 namespace llvm {
   class BasicBlock;
diff --git a/include/llvm/CodeGen/JITCodeEmitter.h b/include/llvm/CodeGen/JITCodeEmitter.h
index cb9a0a1..5ce6e83 100644
--- a/include/llvm/CodeGen/JITCodeEmitter.h
+++ b/include/llvm/CodeGen/JITCodeEmitter.h
@@ -19,7 +19,6 @@
 
 #include <string>
 #include "llvm/Support/DataTypes.h"
-#include "llvm/Support/Streams.h"
 #include "llvm/CodeGen/MachineCodeEmitter.h"
 
 using namespace std;
diff --git a/include/llvm/CodeGen/MachineBasicBlock.h b/include/llvm/CodeGen/MachineBasicBlock.h
index 134d226..aacc314 100644
--- a/include/llvm/CodeGen/MachineBasicBlock.h
+++ b/include/llvm/CodeGen/MachineBasicBlock.h
@@ -16,7 +16,6 @@
 
 #include "llvm/CodeGen/MachineInstr.h"
 #include "llvm/ADT/GraphTraits.h"
-#include "llvm/Support/Streams.h"
 
 namespace llvm {