[IR] Move GlobalValue::getGUID() out of line (NFC)

Avoid including MD5.h in a core IR header.

llvm/include/llvm/IR/GlobalValue.h

@@ -24,7 +24,6 @@
 #include "llvm/IR/Value.h"
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/MD5.h"
 #include <cassert>
 #include <cstdint>
 #include <string>
@@ -588,7 +587,7 @@ public:
 
   /// Return a 64-bit global unique ID constructed from global value name
   /// (i.e. returned by getGlobalIdentifier()).
-  static GUID getGUID(StringRef GlobalName) { return MD5Hash(GlobalName); }
+  static GUID getGUID(StringRef GlobalName);
 
   /// Return a 64-bit global unique ID constructed from global value name
   /// (i.e. returned by getGlobalIdentifier()).

llvm/lib/IR/Globals.cpp

@@ -21,6 +21,7 @@
 #include "llvm/IR/Module.h"
 #include "llvm/Support/Error.h"
 #include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/MD5.h"
 #include "llvm/TargetParser/Triple.h"
 using namespace llvm;
 
@@ -71,6 +72,10 @@ void GlobalValue::copyAttributesFrom(const GlobalValue *Src) {
     removeSanitizerMetadata();
 }
 
+GlobalValue::GUID GlobalValue::getGUID(StringRef GlobalName) {
+  return MD5Hash(GlobalName);
+}
+
 void GlobalValue::removeFromParent() {
   switch (getValueID()) {
 #define HANDLE_GLOBAL_VALUE(NAME)                                              \

llvm/lib/Target/NVPTX/NVPTXCtorDtorLowering.cpp

@@ -22,6 +22,7 @@
 #include "llvm/IR/Value.h"
 #include "llvm/Pass.h"
 #include "llvm/Support/CommandLine.h"
+#include "llvm/Support/MD5.h"
 #include "llvm/Transforms/Utils/ModuleUtils.h"
 
 using namespace llvm;

llvm/lib/Transforms/Instrumentation/HWAddressSanitizer.cpp

@@ -53,6 +53,7 @@
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Support/Debug.h"
+#include "llvm/Support/MD5.h"
 #include "llvm/Support/RandomNumberGenerator.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/TargetParser/Triple.h"

llvm/lib/Transforms/Utils/ModuleUtils.cpp

@@ -18,6 +18,7 @@
 #include "llvm/IR/IRBuilder.h"
 #include "llvm/IR/MDBuilder.h"
 #include "llvm/IR/Module.h"
+#include "llvm/Support/MD5.h"
 #include "llvm/Support/raw_ostream.h"
 #include "llvm/Support/xxhash.h"