BranchFolding.h - cleanup includes and forward declarations. NFC.

Push MBFIWrapper.h include down to BranchFolding.cpp/IfConversion.cpp

llvm/lib/CodeGen/BranchFolding.cpp

@@ -40,6 +40,7 @@
 #include "llvm/CodeGen/MachineOperand.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/CodeGen/MachineSizeOpts.h"
+#include "llvm/CodeGen/MBFIWrapper.h"
 #include "llvm/CodeGen/TargetInstrInfo.h"
 #include "llvm/CodeGen/TargetOpcodes.h"
 #include "llvm/CodeGen/TargetPassConfig.h"

llvm/lib/CodeGen/BranchFolding.h

@@ -13,8 +13,6 @@
 #include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/CodeGen/LivePhysRegs.h"
 #include "llvm/CodeGen/MachineBasicBlock.h"
-#include "llvm/CodeGen/MBFIWrapper.h"
-#include "llvm/Support/BlockFrequency.h"
 #include "llvm/Support/Compiler.h"
 #include <cstdint>
 #include <vector>
@@ -22,12 +20,12 @@
 namespace llvm {
 
 class BasicBlock;
-class MachineBlockFrequencyInfo;
 class MachineBranchProbabilityInfo;
 class MachineFunction;
 class MachineLoopInfo;
 class MachineModuleInfo;
 class MachineRegisterInfo;
+class MBFIWrapper;
 class ProfileSummaryInfo;
 class raw_ostream;
 class TargetInstrInfo;

llvm/lib/CodeGen/IfConversion.cpp

@@ -31,6 +31,7 @@
 #include "llvm/CodeGen/MachineModuleInfo.h"
 #include "llvm/CodeGen/MachineOperand.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
+#include "llvm/CodeGen/MBFIWrapper.h"
 #include "llvm/CodeGen/TargetInstrInfo.h"
 #include "llvm/CodeGen/TargetLowering.h"
 #include "llvm/CodeGen/TargetRegisterInfo.h"