SHA1.h - remove unnecessary ArrayRef.h/StringRef.h includes. NFC.

By moving the update(StringRef) wrapper into SHA1.cpp we can depend just on system headers.

llvm/include/llvm/Support/SHA1.h

@@ -15,14 +15,12 @@
 #ifndef LLVM_SUPPORT_SHA1_H
 #define LLVM_SUPPORT_SHA1_H
 
-#include "llvm/ADT/ArrayRef.h"
-#include "llvm/ADT/StringRef.h"
-
 #include <array>
 #include <cstdint>
 
 namespace llvm {
 template <typename T> class ArrayRef;
+class StringRef;
 
 /// A class that wrap the SHA1 algorithm.
 class SHA1 {
@@ -36,10 +34,7 @@ class SHA1 {
   void update(ArrayRef<uint8_t> Data);
 
   /// Digest more data.
-  void update(StringRef Str) {
-    update(ArrayRef<uint8_t>((uint8_t *)const_cast<char *>(Str.data()),
-                             Str.size()));
-  }
+  void update(StringRef Str);
 
   /// Return a reference to the current raw 160-bits SHA1 for the digested data
   /// since the last call to init(). This call will add data to the internal

llvm/lib/Support/SHA1.cpp

@@ -16,13 +16,13 @@
 
 #include "llvm/Support/SHA1.h"
 #include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/StringRef.h"
 #include "llvm/Support/Endian.h"
 #include "llvm/Support/Host.h"
-using namespace llvm;
-
-#include <stdint.h>
 #include <string.h>
 
+using namespace llvm;
+
 #if defined(BYTE_ORDER) && defined(BIG_ENDIAN) && BYTE_ORDER == BIG_ENDIAN
 #define SHA_BIG_ENDIAN
 #endif
@@ -238,6 +238,11 @@ void SHA1::update(ArrayRef<uint8_t> Data) {
     addUncounted(C);
 }
 
+void SHA1::update(StringRef Str) {
+  update(
+      ArrayRef<uint8_t>((uint8_t *)const_cast<char *>(Str.data()), Str.size()));
+}
+
 void SHA1::pad() {
   // Implement SHA-1 padding (fips180-2 5.1.1)