[Bitcode] Update includes: llvm/Bitcode -> llvm/Bitstream

The Bitstream part of Bitcode moved to llvm/Bitstream in LLVM. This
updates the uses in swift.

See r365091 [Bitcode] Move Bitstream to a separate library.

(cherry picked from commit 1cd8e19)

Author: francisvm

lib/ClangImporter/SwiftLookupTable.cpp

@@ -30,9 +30,9 @@
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/StringExtras.h"
-#include "llvm/Bitcode/BitstreamReader.h"
-#include "llvm/Bitcode/BitstreamWriter.h"
 #include "llvm/Bitcode/RecordLayout.h"
+#include "llvm/Bitstream/BitstreamReader.h"
+#include "llvm/Bitstream/BitstreamWriter.h"
 #include "llvm/Support/DJB.h"
 #include "llvm/Support/OnDiskHashTable.h"
 

lib/Frontend/SerializedDiagnosticConsumer.cpp

@@ -28,7 +28,7 @@
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/ADT/IntrusiveRefCntPtr.h"
 #include "llvm/ADT/SmallString.h"
-#include "llvm/Bitcode/BitstreamWriter.h"
+#include "llvm/Bitstream/BitstreamWriter.h"
 
 // For constant values only.
 #include "clang/Frontend/SerializedDiagnosticPrinter.h"

lib/Serialization/BCReadingExtras.h

@@ -13,7 +13,7 @@
 #ifndef SWIFT_SERIALIZATION_BCREADINGEXTRAS_H
 #define SWIFT_SERIALIZATION_BCREADINGEXTRAS_H
 
-#include "llvm/Bitcode/BitstreamReader.h"
+#include "llvm/Bitstream/BitstreamReader.h"
 
 namespace swift {
 namespace serialization {

lib/Serialization/ModuleFile.h

@@ -26,7 +26,7 @@
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/TinyPtrVector.h"
-#include "llvm/Bitcode/BitstreamReader.h"
+#include "llvm/Bitstream/BitstreamReader.h"
 #include "llvm/Support/Error.h"
 #include "llvm/Support/MemoryBuffer.h"
 

lib/Serialization/ModuleFormat.h

@@ -22,7 +22,7 @@
 #include "swift/AST/Decl.h"
 #include "swift/AST/Types.h"
 #include "llvm/Bitcode/RecordLayout.h"
-#include "llvm/Bitcode/BitCodes.h"
+#include "llvm/Bitstream/BitCodes.h"
 #include "llvm/ADT/PointerEmbeddedInt.h"
 
 namespace swift {

lib/Serialization/Serialization.cpp

@@ -45,8 +45,8 @@
 #include "swift/Strings.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/StringExtras.h"
-#include "llvm/Bitcode/BitstreamWriter.h"
 #include "llvm/Bitcode/RecordLayout.h"
+#include "llvm/Bitstream/BitstreamWriter.h"
 #include "llvm/Config/config.h"
 #include "llvm/Support/Allocator.h"
 #include "llvm/Support/Chrono.h"

tools/driver/modulewrap_main.cpp

@@ -27,7 +27,7 @@
 #include "swift/SIL/TypeLowering.h"
 #include "swift/Subsystems.h"
 #include "llvm/ADT/ArrayRef.h"
-#include "llvm/Bitcode/BitstreamReader.h"
+#include "llvm/Bitstream/BitstreamReader.h"
 #include "llvm/Option/ArgList.h"
 #include "llvm/Option/Option.h"
 #include "llvm/Support/FileSystem.h"