[Target] Remove unused forward declarations (NFC)

38 files changed, 0 insertions, 70 deletions

diff --git a/llvm/lib/Target/AArch64/AArch64.h b/llvm/lib/Target/AArch64/AArch64.h
index b0dd30c..4d14649 100644
--- a/llvm/lib/Target/AArch64/AArch64.h
+++ b/llvm/lib/Target/AArch64/AArch64.h
@@ -26,7 +26,6 @@ class AArch64Subtarget;
 class AArch64TargetMachine;
 class FunctionPass;
 class InstructionSelector;
-class MachineFunctionPass;
 
 FunctionPass *createAArch64DeadRegisterDefinitions();
 FunctionPass *createAArch64RedundantCopyEliminationPass();
diff --git a/llvm/lib/Target/AArch64/AArch64ISelLowering.h b/llvm/lib/Target/AArch64/AArch64ISelLowering.h
index 9b541de..d5876b7 100644
--- a/llvm/lib/Target/AArch64/AArch64ISelLowering.h
+++ b/llvm/lib/Target/AArch64/AArch64ISelLowering.h
@@ -487,7 +487,6 @@ const unsigned RoundingBitsPos = 22;
 } // namespace AArch64
 
 class AArch64Subtarget;
-class AArch64TargetMachine;
 
 class AArch64TargetLowering : public TargetLowering {
 public:
diff --git a/llvm/lib/Target/AArch64/AArch64InstrInfo.h b/llvm/lib/Target/AArch64/AArch64InstrInfo.h
index b2f9e82..1054bea 100644
--- a/llvm/lib/Target/AArch64/AArch64InstrInfo.h
+++ b/llvm/lib/Target/AArch64/AArch64InstrInfo.h
@@ -26,7 +26,6 @@
 namespace llvm {
 
 class AArch64Subtarget;
-class AArch64TargetMachine;
 
 static const MachineMemOperand::Flags MOSuppressPair =
     MachineMemOperand::MOTargetFlag1;
diff --git a/llvm/lib/Target/AArch64/AArch64MCInstLower.h b/llvm/lib/Target/AArch64/AArch64MCInstLower.h
index 8f3148a..b008e49 100644
--- a/llvm/lib/Target/AArch64/AArch64MCInstLower.h
+++ b/llvm/lib/Target/AArch64/AArch64MCInstLower.h
@@ -14,15 +14,12 @@
 
 namespace llvm {
 class AsmPrinter;
-class MCAsmInfo;
 class MCContext;
 class MCInst;
 class MCOperand;
 class MCSymbol;
 class MachineInstr;
-class MachineModuleInfoMachO;
 class MachineOperand;
-class Mangler;
 
 /// AArch64MCInstLower - This class is used to lower an MachineInstr
 /// into an MCInst.
diff --git a/llvm/lib/Target/AArch64/AArch64TargetMachine.h b/llvm/lib/Target/AArch64/AArch64TargetMachine.h
index 25e62613..7d314bc 100644
--- a/llvm/lib/Target/AArch64/AArch64TargetMachine.h
+++ b/llvm/lib/Target/AArch64/AArch64TargetMachine.h
@@ -20,8 +20,6 @@
 
 namespace llvm {
 
-class AArch64RegisterBankInfo;
-
 class AArch64TargetMachine : public LLVMTargetMachine {
 protected:
   std::unique_ptr<TargetLoweringObjectFile> TLOF;
diff --git a/llvm/lib/Target/AArch64/AArch64TargetObjectFile.h b/llvm/lib/Target/AArch64/AArch64TargetObjectFile.h
index 28324c2..9f09823 100644
--- a/llvm/lib/Target/AArch64/AArch64TargetObjectFile.h
+++ b/llvm/lib/Target/AArch64/AArch64TargetObjectFile.h
@@ -13,7 +13,6 @@
 #include "llvm/Target/TargetLoweringObjectFile.h"
 
 namespace llvm {
-class AArch64TargetMachine;
 
 /// This implementation is used for AArch64 ELF targets (Linux in particular).
 class AArch64_ELFTargetObjectFile : public TargetLoweringObjectFileELF {
diff --git a/llvm/lib/Target/AArch64/GISel/AArch64CallLowering.h b/llvm/lib/Target/AArch64/GISel/AArch64CallLowering.h
index add0342..aafb1d1 100644
--- a/llvm/lib/Target/AArch64/GISel/AArch64CallLowering.h
+++ b/llvm/lib/Target/AArch64/GISel/AArch64CallLowering.h
@@ -24,9 +24,7 @@ namespace llvm {
 
 class AArch64TargetLowering;
 class CCValAssign;
-class DataLayout;
 class MachineIRBuilder;
-class MachineRegisterInfo;
 class Type;
 
 class AArch64CallLowering: public CallLowering {
diff --git a/llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.h b/llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.h
index 35456d9..e2c46f4 100644
--- a/llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.h
+++ b/llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.h
@@ -21,7 +21,6 @@
 
 namespace llvm {
 
-class LLVMContext;
 class AArch64Subtarget;
 
 /// This class provides the information for the target register banks.
diff --git a/llvm/lib/Target/AArch64/MCTargetDesc/AArch64MCAsmInfo.h b/llvm/lib/Target/AArch64/MCTargetDesc/AArch64MCAsmInfo.h
index 7274ae7..225e0c8 100644
--- a/llvm/lib/Target/AArch64/MCTargetDesc/AArch64MCAsmInfo.h
+++ b/llvm/lib/Target/AArch64/MCTargetDesc/AArch64MCAsmInfo.h
@@ -19,7 +19,6 @@
 
 namespace llvm {
 class MCStreamer;
-class Target;
 class Triple;
 
 struct AArch64MCAsmInfoDarwin : public MCAsmInfoDarwin {
diff --git a/llvm/lib/Target/AArch64/MCTargetDesc/AArch64MCTargetDesc.h b/llvm/lib/Target/AArch64/MCTargetDesc/AArch64MCTargetDesc.h
index 941226b..66cb7a3 100644
--- a/llvm/lib/Target/AArch64/MCTargetDesc/AArch64MCTargetDesc.h
+++ b/llvm/lib/Target/AArch64/MCTargetDesc/AArch64MCTargetDesc.h
@@ -30,11 +30,7 @@ class MCStreamer;
 class MCSubtargetInfo;
 class MCTargetOptions;
 class MCTargetStreamer;
-class StringRef;
 class Target;
-class Triple;
-class raw_ostream;
-class raw_pwrite_stream;
 
 MCCodeEmitter *createAArch64MCCodeEmitter(const MCInstrInfo &MCII,
                                           const MCRegisterInfo &MRI,
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUInstrInfo.h b/llvm/lib/Target/AMDGPU/AMDGPUInstrInfo.h
index b126361..673011f 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUInstrInfo.h
+++ b/llvm/lib/Target/AMDGPU/AMDGPUInstrInfo.h
@@ -20,9 +20,6 @@
 namespace llvm {
 
 class GCNSubtarget;
-class MachineFunction;
-class MachineInstr;
-class MachineInstrBuilder;
 class MachineMemOperand;
 
 class AMDGPUInstrInfo {
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.h b/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.h
index 26996e4..275c4cd 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.h
+++ b/llvm/lib/Target/AMDGPU/AMDGPUInstructionSelector.h
@@ -30,7 +30,6 @@ namespace AMDGPU {
 struct ImageDimIntrinsicInfo;
 }
 
-class AMDGPUInstrInfo;
 class AMDGPURegisterBankInfo;
 class AMDGPUTargetMachine;
 class BlockFrequencyInfo;
@@ -42,7 +41,6 @@ class MachineOperand;
 class MachineRegisterInfo;
 class RegisterBank;
 class SIInstrInfo;
-class SIMachineFunctionInfo;
 class SIRegisterInfo;
 class TargetRegisterClass;
 
diff --git a/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.h b/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.h
index 7faf043..964a41d 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.h
+++ b/llvm/lib/Target/AMDGPU/AMDGPULegalizerInfo.h
@@ -21,7 +21,6 @@
 namespace llvm {
 
 class GCNTargetMachine;
-class LLVMContext;
 class GCNSubtarget;
 class MachineIRBuilder;
 
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUMachineFunction.h b/llvm/lib/Target/AMDGPU/AMDGPUMachineFunction.h
index 10ff500..48cf46b 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUMachineFunction.h
+++ b/llvm/lib/Target/AMDGPU/AMDGPUMachineFunction.h
@@ -15,8 +15,6 @@
 
 namespace llvm {
 
-class GCNSubtarget;
-
 class AMDGPUMachineFunction : public MachineFunctionInfo {
   /// A map to keep track of local memory objects and their offsets within the
   /// local memory space.
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.h b/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.h
index 226646a..dd3676f 100644
--- a/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.h
+++ b/llvm/lib/Target/AMDGPU/AMDGPUTargetMachine.h
@@ -21,8 +21,6 @@
 
 namespace llvm {
 
-class ScheduleDAGMILive;
-
 //===----------------------------------------------------------------------===//
 // AMDGPU Target Machine (R600+)
 //===----------------------------------------------------------------------===//
diff --git a/llvm/lib/Target/AMDGPU/GCNHazardRecognizer.h b/llvm/lib/Target/AMDGPU/GCNHazardRecognizer.h
index 162121c..716bc02 100644
--- a/llvm/lib/Target/AMDGPU/GCNHazardRecognizer.h
+++ b/llvm/lib/Target/AMDGPU/GCNHazardRecognizer.h
@@ -25,7 +25,6 @@ class MachineFunction;
 class MachineInstr;
 class MachineOperand;
 class MachineRegisterInfo;
-class ScheduleDAG;
 class SIInstrInfo;
 class SIRegisterInfo;
 class GCNSubtarget;
diff --git a/llvm/lib/Target/AMDGPU/R600ISelLowering.h b/llvm/lib/Target/AMDGPU/R600ISelLowering.h
index f9a9a61..1e75a04 100644
--- a/llvm/lib/Target/AMDGPU/R600ISelLowering.h
+++ b/llvm/lib/Target/AMDGPU/R600ISelLowering.h
@@ -19,7 +19,6 @@
 
 namespace llvm {
 
-class R600InstrInfo;
 class R600Subtarget;
 
 class R600TargetLowering final : public AMDGPUTargetLowering {
diff --git a/llvm/lib/Target/AMDGPU/R600InstrInfo.h b/llvm/lib/Target/AMDGPU/R600InstrInfo.h
index fc567f1..bc8a478 100644
--- a/llvm/lib/Target/AMDGPU/R600InstrInfo.h
+++ b/llvm/lib/Target/AMDGPU/R600InstrInfo.h
@@ -29,7 +29,6 @@ enum : uint64_t {
 };
 }
 
-class AMDGPUTargetMachine;
 class DFAPacketizer;
 class MachineFunction;
 class MachineInstr;
diff --git a/llvm/lib/Target/AMDGPU/R600Subtarget.h b/llvm/lib/Target/AMDGPU/R600Subtarget.h
index 94403b8..92d559b 100644
--- a/llvm/lib/Target/AMDGPU/R600Subtarget.h
+++ b/llvm/lib/Target/AMDGPU/R600Subtarget.h
@@ -21,12 +21,6 @@
 #include "Utils/AMDGPUBaseInfo.h"
 #include "llvm/CodeGen/SelectionDAGTargetInfo.h"
 
-namespace llvm {
-
-class MCInstrInfo;
-
-} // namespace llvm
-
 #define GET_SUBTARGETINFO_HEADER
 #include "R600GenSubtargetInfo.inc"
 
diff --git a/llvm/lib/Target/AMDGPU/SIFrameLowering.h b/llvm/lib/Target/AMDGPU/SIFrameLowering.h
index 56fbb87..7949dcf 100644
--- a/llvm/lib/Target/AMDGPU/SIFrameLowering.h
+++ b/llvm/lib/Target/AMDGPU/SIFrameLowering.h
@@ -13,11 +13,6 @@
 
 namespace llvm {
 
-class SIInstrInfo;
-class SIMachineFunctionInfo;
-class SIRegisterInfo;
-class GCNSubtarget;
-
 class SIFrameLowering final : public AMDGPUFrameLowering {
 public:
   SIFrameLowering(StackDirection D, Align StackAl, int LAO,
diff --git a/llvm/lib/Target/ARM/ARM.h b/llvm/lib/Target/ARM/ARM.h
index 1d5e45a..63a7c69 100644
--- a/llvm/lib/Target/ARM/ARM.h
+++ b/llvm/lib/Target/ARM/ARM.h
@@ -29,8 +29,6 @@ struct BasicBlockInfo;
 class Function;
 class FunctionPass;
 class InstructionSelector;
-class MachineBasicBlock;
-class MachineFunction;
 class MachineInstr;
 class MCInst;
 class PassRegistry;
diff --git a/llvm/lib/Target/ARM/ARMCallLowering.h b/llvm/lib/Target/ARM/ARMCallLowering.h
index 87b18f8..3809561 100644
--- a/llvm/lib/Target/ARM/ARMCallLowering.h
+++ b/llvm/lib/Target/ARM/ARMCallLowering.h
@@ -23,7 +23,6 @@
 namespace llvm {
 
 class ARMTargetLowering;
-class MachineFunction;
 class MachineInstrBuilder;
 class MachineIRBuilder;
 class Value;
diff --git a/llvm/lib/Target/ARM/ARMRegisterInfo.h b/llvm/lib/Target/ARM/ARMRegisterInfo.h
index 87c0f32..2971b76 100644
--- a/llvm/lib/Target/ARM/ARMRegisterInfo.h
+++ b/llvm/lib/Target/ARM/ARMRegisterInfo.h
@@ -17,8 +17,6 @@
 
 namespace llvm {
 
-class ARMSubtarget;
-
 struct ARMRegisterInfo : public ARMBaseRegisterInfo {
   virtual void anchor();
 public:
diff --git a/llvm/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.h b/llvm/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.h
index 7ccdc6f..5c8f9bf 100644
--- a/llvm/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.h
+++ b/llvm/lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.h
@@ -36,8 +36,6 @@ class MCTargetStreamer;
 class StringRef;
 class Target;
 class Triple;
-class raw_ostream;
-class raw_pwrite_stream;
 
 namespace ARM_MC {
 std::string ParseARMTriple(const Triple &TT, StringRef CPU);
diff --git a/llvm/lib/Target/ARM/Thumb2InstrInfo.h b/llvm/lib/Target/ARM/Thumb2InstrInfo.h
index e6d5179..a83ff5e 100644
--- a/llvm/lib/Target/ARM/Thumb2InstrInfo.h
+++ b/llvm/lib/Target/ARM/Thumb2InstrInfo.h
@@ -18,7 +18,6 @@
 
 namespace llvm {
 class ARMSubtarget;
-class ScheduleHazardRecognizer;
 
 class Thumb2InstrInfo : public ARMBaseInstrInfo {
   ThumbRegisterInfo RI;
diff --git a/llvm/lib/Target/Mips/MipsCallLowering.h b/llvm/lib/Target/Mips/MipsCallLowering.h
index 1d1406d..9f114d5 100644
--- a/llvm/lib/Target/Mips/MipsCallLowering.h
+++ b/llvm/lib/Target/Mips/MipsCallLowering.h
@@ -18,7 +18,6 @@
 
 namespace llvm {
 
-class MachineMemOperand;
 class MipsTargetLowering;
 
 class MipsCallLowering : public CallLowering {
diff --git a/llvm/lib/Target/RISCV/MCTargetDesc/RISCVMatInt.h b/llvm/lib/Target/RISCV/MCTargetDesc/RISCVMatInt.h
index 02b4b18..de982f2 100644
--- a/llvm/lib/Target/RISCV/MCTargetDesc/RISCVMatInt.h
+++ b/llvm/lib/Target/RISCV/MCTargetDesc/RISCVMatInt.h
@@ -15,7 +15,6 @@
 
 namespace llvm {
 class APInt;
-class MCSubtargetInfo;
 
 namespace RISCVMatInt {
 struct Inst {
diff --git a/llvm/lib/Target/SystemZ/MCTargetDesc/SystemZMCTargetDesc.h b/llvm/lib/Target/SystemZ/MCTargetDesc/SystemZMCTargetDesc.h
index 899fec6..e76fa03a 100644
--- a/llvm/lib/Target/SystemZ/MCTargetDesc/SystemZMCTargetDesc.h
+++ b/llvm/lib/Target/SystemZ/MCTargetDesc/SystemZMCTargetDesc.h
@@ -23,11 +23,7 @@ class MCObjectTargetWriter;
 class MCRegisterInfo;
 class MCSubtargetInfo;
 class MCTargetOptions;
-class StringRef;
 class Target;
-class Triple;
-class raw_pwrite_stream;
-class raw_ostream;
 
 namespace SystemZMC {
 // How many bytes are in the ABI-defined, caller-allocated part of
diff --git a/llvm/lib/Target/SystemZ/SystemZAsmPrinter.h b/llvm/lib/Target/SystemZ/SystemZAsmPrinter.h
index 6cfd7bd..47a3336 100644
--- a/llvm/lib/Target/SystemZ/SystemZAsmPrinter.h
+++ b/llvm/lib/Target/SystemZ/SystemZAsmPrinter.h
@@ -19,7 +19,6 @@
 
 namespace llvm {
 class MCStreamer;
-class MachineBasicBlock;
 class MachineInstr;
 class Module;
 class raw_ostream;
diff --git a/llvm/lib/Target/SystemZ/SystemZFrameLowering.h b/llvm/lib/Target/SystemZ/SystemZFrameLowering.h
index 106b9e8..3a1af88 100644
--- a/llvm/lib/Target/SystemZ/SystemZFrameLowering.h
+++ b/llvm/lib/Target/SystemZ/SystemZFrameLowering.h
@@ -17,7 +17,6 @@
 #include "llvm/Support/TypeSize.h"
 
 namespace llvm {
-class SystemZTargetMachine;
 class SystemZSubtarget;
 
 class SystemZFrameLowering : public TargetFrameLowering {
diff --git a/llvm/lib/Target/SystemZ/SystemZISelLowering.h b/llvm/lib/Target/SystemZ/SystemZISelLowering.h
index 940c0a8..a8ddb8c 100644
--- a/llvm/lib/Target/SystemZ/SystemZISelLowering.h
+++ b/llvm/lib/Target/SystemZ/SystemZISelLowering.h
@@ -381,7 +381,6 @@ enum {
 } // end namespace SystemZICMP
 
 class SystemZSubtarget;
-class SystemZTargetMachine;
 
 class SystemZTargetLowering : public TargetLowering {
 public:
diff --git a/llvm/lib/Target/SystemZ/SystemZMCInstLower.h b/llvm/lib/Target/SystemZ/SystemZMCInstLower.h
index 14ad0648..eb09033d 100644
--- a/llvm/lib/Target/SystemZ/SystemZMCInstLower.h
+++ b/llvm/lib/Target/SystemZ/SystemZMCInstLower.h
@@ -18,7 +18,6 @@ class MCInst;
 class MCOperand;
 class MachineInstr;
 class MachineOperand;
-class Mangler;
 class SystemZAsmPrinter;
 
 class LLVM_LIBRARY_VISIBILITY SystemZMCInstLower {
diff --git a/llvm/lib/Target/SystemZ/SystemZSelectionDAGInfo.h b/llvm/lib/Target/SystemZ/SystemZSelectionDAGInfo.h
index a4a5b1f..da67257 100644
--- a/llvm/lib/Target/SystemZ/SystemZSelectionDAGInfo.h
+++ b/llvm/lib/Target/SystemZ/SystemZSelectionDAGInfo.h
@@ -17,8 +17,6 @@
 
 namespace llvm {
 
-class SystemZTargetMachine;
-
 class SystemZSelectionDAGInfo : public SelectionDAGTargetInfo {
 public:
   explicit SystemZSelectionDAGInfo() = default;
diff --git a/llvm/lib/Target/VE/MCTargetDesc/VEMCTargetDesc.h b/llvm/lib/Target/VE/MCTargetDesc/VEMCTargetDesc.h
index 7fb8a556..f0bb6e3 100644
--- a/llvm/lib/Target/VE/MCTargetDesc/VEMCTargetDesc.h
+++ b/llvm/lib/Target/VE/MCTargetDesc/VEMCTargetDesc.h
@@ -27,10 +27,6 @@ class MCRegisterInfo;
 class MCSubtargetInfo;
 class MCTargetOptions;
 class Target;
-class Triple;
-class StringRef;
-class raw_pwrite_stream;
-class raw_ostream;
 
 MCCodeEmitter *createVEMCCodeEmitter(const MCInstrInfo &MCII,
                                      const MCRegisterInfo &MRI, MCContext &Ctx);
diff --git a/llvm/lib/Target/VE/VE.h b/llvm/lib/Target/VE/VE.h
index 8c1fa84..2a729a1 100644
--- a/llvm/lib/Target/VE/VE.h
+++ b/llvm/lib/Target/VE/VE.h
@@ -22,7 +22,6 @@
 namespace llvm {
 class FunctionPass;
 class VETargetMachine;
-class formatted_raw_ostream;
 class AsmPrinter;
 class MCInst;
 class MachineInstr;
diff --git a/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCTargetDesc.h b/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCTargetDesc.h
index b2f10ca..75d5d06 100644
--- a/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCTargetDesc.h
+++ b/llvm/lib/Target/WebAssembly/MCTargetDesc/WebAssemblyMCTargetDesc.h
@@ -26,7 +26,6 @@ class MCAsmBackend;
 class MCCodeEmitter;
 class MCInstrInfo;
 class MCObjectTargetWriter;
-class MVT;
 class Triple;
 
 MCCodeEmitter *createWebAssemblyMCCodeEmitter(const MCInstrInfo &MCII);
diff --git a/llvm/lib/Target/WebAssembly/Utils/WebAssemblyUtilities.h b/llvm/lib/Target/WebAssembly/Utils/WebAssemblyUtilities.h
index d024185..57e40f6 100644
--- a/llvm/lib/Target/WebAssembly/Utils/WebAssemblyUtilities.h
+++ b/llvm/lib/Target/WebAssembly/Utils/WebAssemblyUtilities.h
@@ -25,7 +25,6 @@ class MachineInstr;
 class MachineOperand;
 class MCContext;
 class MCSymbolWasm;
-class StringRef;
 class WebAssemblyFunctionInfo;
 class WebAssemblySubtarget;
 
diff --git a/llvm/lib/Target/X86/X86CallLowering.h b/llvm/lib/Target/X86/X86CallLowering.h
index ac5b92b..0ad67cf 100644
--- a/llvm/lib/Target/X86/X86CallLowering.h
+++ b/llvm/lib/Target/X86/X86CallLowering.h
@@ -20,8 +20,6 @@
 namespace llvm {
 
 template <typename T> class ArrayRef;
-class DataLayout;
-class MachineRegisterInfo;
 class X86TargetLowering;
 
 class X86CallLowering : public CallLowering {