PseudoSourceValue.h - reduce GlobalValue.h include to forward declaration. NFC.

Fix MachineMemOperand.h implicit dependency on Type.h via PseudoSourceValue.h

llvm/include/llvm/CodeGen/MachineMemOperand.h

@@ -18,9 +18,10 @@
 #include "llvm/ADT/BitmaskEnum.h"
 #include "llvm/ADT/PointerUnion.h"
 #include "llvm/CodeGen/PseudoSourceValue.h"
+#include "llvm/IR/Type.h"
 #include "llvm/IR/Value.h" // PointerLikeTypeTraits<Value*>
 #include "llvm/Support/AtomicOrdering.h"
-#include "llvm/Support/DataTypes.h"
+#include <cstdint>
 
 namespace llvm {
 

llvm/include/llvm/CodeGen/PseudoSourceValue.h

@@ -14,12 +14,12 @@
 #define LLVM_CODEGEN_PSEUDOSOURCEVALUE_H
 
 #include "llvm/ADT/StringMap.h"
-#include "llvm/IR/GlobalValue.h"
 #include "llvm/IR/ValueMap.h"
 #include <map>
 
 namespace llvm {
 
+class GlobalValue;
 class MachineFrameInfo;
 class MachineMemOperand;
 class MIRFormatter;

llvm/lib/CodeGen/PseudoSourceValue.cpp

@@ -15,6 +15,7 @@
 #include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/TargetInstrInfo.h"
 #include "llvm/IR/DerivedTypes.h"
+#include "llvm/IR/GlobalValue.h"
 #include "llvm/IR/LLVMContext.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/raw_ostream.h"