OSDN Git Service

Refactor code.
authorEvan Cheng <evan.cheng@apple.com>
Sun, 8 Nov 2009 00:15:23 +0000 (00:15 +0000)
committerEvan Cheng <evan.cheng@apple.com>
Sun, 8 Nov 2009 00:15:23 +0000 (00:15 +0000)
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@86423 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/ARM/ARMBaseInstrInfo.cpp
lib/Target/ARM/ARMBaseInstrInfo.h
lib/Target/ARM/ARMInstrInfo.cpp
lib/Target/ARM/Thumb1InstrInfo.cpp
lib/Target/ARM/Thumb1InstrInfo.h
lib/Target/ARM/Thumb2InstrInfo.cpp
lib/Target/ARM/Thumb2InstrInfo.h

index 28d7ee7..edd1b04 100644 (file)
@@ -18,6 +18,9 @@
 #include "ARMGenInstrInfo.inc"
 #include "ARMMachineFunctionInfo.h"
 #include "ARMRegisterInfo.h"
+#include "llvm/Constants.h"
+#include "llvm/Function.h"
+#include "llvm/GlobalValue.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/CodeGen/LiveVariables.h"
 #include "llvm/CodeGen/MachineConstantPool.h"
@@ -897,6 +900,57 @@ ARMBaseInstrInfo::canFoldMemoryOperand(const MachineInstr *MI,
   return false;
 }
 
+void ARMBaseInstrInfo::
+reMaterialize(MachineBasicBlock &MBB,
+              MachineBasicBlock::iterator I,
+              unsigned DestReg, unsigned SubIdx,
+              const MachineInstr *Orig) const {
+  DebugLoc dl = Orig->getDebugLoc();
+  unsigned Opcode = Orig->getOpcode();
+  switch (Opcode) {
+  default: {
+    MachineInstr *MI = MBB.getParent()->CloneMachineInstr(Orig);
+    MI->getOperand(0).setReg(DestReg);
+    MBB.insert(I, MI);
+    break;
+  }
+  case ARM::tLDRpci_pic:
+  case ARM::t2LDRpci_pic: {
+    MachineFunction &MF = *MBB.getParent();
+    ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
+    MachineConstantPool *MCP = MF.getConstantPool();
+    unsigned CPI = Orig->getOperand(1).getIndex();
+    const MachineConstantPoolEntry &MCPE = MCP->getConstants()[CPI];
+    assert(MCPE.isMachineConstantPoolEntry() &&
+           "Expecting a machine constantpool entry!");
+    ARMConstantPoolValue *ACPV =
+      static_cast<ARMConstantPoolValue*>(MCPE.Val.MachineCPVal);
+    unsigned PCLabelId = AFI->createConstPoolEntryUId();
+    ARMConstantPoolValue *NewCPV = 0;
+    if (ACPV->isGlobalValue())
+      NewCPV = new ARMConstantPoolValue(ACPV->getGV(), PCLabelId,
+                                        ARMCP::CPValue, 4);
+    else if (ACPV->isExtSymbol())
+      NewCPV = new ARMConstantPoolValue(MF.getFunction()->getContext(),
+                                        ACPV->getSymbol(), PCLabelId, 4);
+    else if (ACPV->isBlockAddress())
+      NewCPV = new ARMConstantPoolValue(ACPV->getBlockAddress(), PCLabelId,
+                                        ARMCP::CPBlockAddress, 4);
+    else
+      llvm_unreachable("Unexpected ARM constantpool value type!!");
+    CPI = MCP->getConstantPoolIndex(NewCPV, MCPE.getAlignment());
+    MachineInstrBuilder MIB = BuildMI(MBB, I, Orig->getDebugLoc(), get(Opcode),
+                                      DestReg)
+      .addConstantPoolIndex(CPI).addImm(PCLabelId);
+    (*MIB).setMemRefs(Orig->memoperands_begin(), Orig->memoperands_end());
+    break;
+  }
+  }
+
+  MachineInstr *NewMI = prior(I);
+  NewMI->getOperand(0).setSubReg(SubIdx);
+}
+
 bool ARMBaseInstrInfo::isIdentical(const MachineInstr *MI0,
                                   const MachineInstr *MI1,
                                   const MachineRegisterInfo *MRI) const {
index 688542b..682db05 100644 (file)
@@ -264,6 +264,11 @@ public:
                                            const SmallVectorImpl<unsigned> &Ops,
                                               MachineInstr* LoadMI) const;
 
+  virtual void reMaterialize(MachineBasicBlock &MBB,
+                             MachineBasicBlock::iterator MI,
+                             unsigned DestReg, unsigned SubIdx,
+                             const MachineInstr *Orig) const;
+
   virtual bool isIdentical(const MachineInstr *MI, const MachineInstr *Other,
                            const MachineRegisterInfo *MRI) const;
 };
index d3cbb68..5e5b718 100644 (file)
@@ -80,29 +80,26 @@ bool ARMInstrInfo::BlockHasNoFallThrough(const MachineBasicBlock &MBB) const {
 }
 
 void ARMInstrInfo::
-reMaterialize(MachineBasicBlock &MBB,
-              MachineBasicBlock::iterator I,
+reMaterialize(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
               unsigned DestReg, unsigned SubIdx,
               const MachineInstr *Orig) const {
   DebugLoc dl = Orig->getDebugLoc();
   unsigned Opcode = Orig->getOpcode();
   switch (Opcode) {
-  default: {
-    MachineInstr *MI = MBB.getParent()->CloneMachineInstr(Orig);
-    MI->getOperand(0).setReg(DestReg);
-    MBB.insert(I, MI);
+  default:
     break;
-  }
-  case ARM::MOVi2pieces:
+  case ARM::MOVi2pieces: {
     RI.emitLoadConstPool(MBB, I, dl,
                          DestReg, SubIdx,
                          Orig->getOperand(1).getImm(),
                          (ARMCC::CondCodes)Orig->getOperand(2).getImm(),
                          Orig->getOperand(3).getReg());
-    break;
+    MachineInstr *NewMI = prior(I);
+    NewMI->getOperand(0).setSubReg(SubIdx);
+    return;
+  }
   }
 
-  MachineInstr *NewMI = prior(I);
-  NewMI->getOperand(0).setSubReg(SubIdx);
+  return ARMBaseInstrInfo::reMaterialize(MBB, I, DestReg, SubIdx, Orig);
 }
 
index a4f2793..7602b6d 100644 (file)
 
 #include "Thumb1InstrInfo.h"
 #include "ARM.h"
-#include "ARMConstantPoolValue.h"
 #include "ARMGenInstrInfo.inc"
 #include "ARMMachineFunctionInfo.h"
-#include "llvm/Constants.h"
-#include "llvm/Function.h"
-#include "llvm/GlobalValue.h"
-#include "llvm/CodeGen/MachineConstantPool.h"
 #include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
 #include "llvm/CodeGen/MachineMemOperand.h"
@@ -268,53 +263,3 @@ foldMemoryOperandImpl(MachineFunction &MF, MachineInstr *MI,
 
   return NewMI;
 }
-
-void Thumb1InstrInfo::reMaterialize(MachineBasicBlock &MBB,
-                                    MachineBasicBlock::iterator I,
-                                    unsigned DestReg, unsigned SubIdx,
-                                    const MachineInstr *Orig) const {
-  DebugLoc dl = Orig->getDebugLoc();
-  unsigned Opcode = Orig->getOpcode();
-  switch (Opcode) {
-  default: {
-    MachineInstr *MI = MBB.getParent()->CloneMachineInstr(Orig);
-    MI->getOperand(0).setReg(DestReg);
-    MBB.insert(I, MI);
-    break;
-  }
-  case ARM::tLDRpci_pic: {
-    MachineFunction &MF = *MBB.getParent();
-    ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
-    MachineConstantPool *MCP = MF.getConstantPool();
-    unsigned CPI = Orig->getOperand(1).getIndex();
-    const MachineConstantPoolEntry &MCPE = MCP->getConstants()[CPI];
-    assert(MCPE.isMachineConstantPoolEntry() &&
-           "Expecting a machine constantpool entry!");
-    ARMConstantPoolValue *ACPV =
-      static_cast<ARMConstantPoolValue*>(MCPE.Val.MachineCPVal);
-    unsigned PCLabelId = AFI->createConstPoolEntryUId();
-    ARMConstantPoolValue *NewCPV = 0;
-    if (ACPV->isGlobalValue())
-      NewCPV = new ARMConstantPoolValue(ACPV->getGV(), PCLabelId,
-                                        ARMCP::CPValue, 4);
-    else if (ACPV->isExtSymbol())
-      NewCPV = new ARMConstantPoolValue(MF.getFunction()->getContext(),
-                                        ACPV->getSymbol(), PCLabelId, 4);
-    else if (ACPV->isBlockAddress())
-      NewCPV = new ARMConstantPoolValue(ACPV->getBlockAddress(), PCLabelId,
-                                        ARMCP::CPBlockAddress, 4);
-    else
-      llvm_unreachable("Unexpected ARM constantpool value type!!");
-    CPI = MCP->getConstantPoolIndex(NewCPV, MCPE.getAlignment());
-    MachineInstrBuilder MIB = BuildMI(MBB, I, Orig->getDebugLoc(), get(Opcode),
-                                      DestReg)
-      .addConstantPoolIndex(CPI).addImm(PCLabelId);
-    (*MIB).setMemRefs(Orig->memoperands_begin(), Orig->memoperands_end());
-    break;
-  }
-  }
-
-  MachineInstr *NewMI = prior(I);
-  NewMI->getOperand(0).setSubReg(SubIdx);
-}
-
index 09c6930..b28229d 100644 (file)
@@ -76,10 +76,6 @@ public:
                                       MachineInstr* LoadMI) const {
     return 0;
   }
-
-  void reMaterialize(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
-                     unsigned DestReg, unsigned SubIdx,
-                     const MachineInstr *Orig) const;
 };
 }
 
index cef1f13..16c1e6f 100644 (file)
 #include "ARMAddressingModes.h"
 #include "ARMGenInstrInfo.inc"
 #include "ARMMachineFunctionInfo.h"
-#include "llvm/Constants.h"
-#include "llvm/Function.h"
-#include "llvm/GlobalValue.h"
-#include "llvm/CodeGen/MachineConstantPool.h"
 #include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
 #include "llvm/CodeGen/MachineMemOperand.h"
@@ -137,55 +133,6 @@ loadRegFromStackSlot(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
   ARMBaseInstrInfo::loadRegFromStackSlot(MBB, I, DestReg, FI, RC);
 }
 
-void Thumb2InstrInfo::reMaterialize(MachineBasicBlock &MBB,
-                                    MachineBasicBlock::iterator I,
-                                    unsigned DestReg, unsigned SubIdx,
-                                    const MachineInstr *Orig) const {
-  DebugLoc dl = Orig->getDebugLoc();
-  unsigned Opcode = Orig->getOpcode();
-  switch (Opcode) {
-  default: {
-    MachineInstr *MI = MBB.getParent()->CloneMachineInstr(Orig);
-    MI->getOperand(0).setReg(DestReg);
-    MBB.insert(I, MI);
-    break;
-  }
-  case ARM::t2LDRpci_pic: {
-    MachineFunction &MF = *MBB.getParent();
-    ARMFunctionInfo *AFI = MF.getInfo<ARMFunctionInfo>();
-    MachineConstantPool *MCP = MF.getConstantPool();
-    unsigned CPI = Orig->getOperand(1).getIndex();
-    const MachineConstantPoolEntry &MCPE = MCP->getConstants()[CPI];
-    assert(MCPE.isMachineConstantPoolEntry() &&
-           "Expecting a machine constantpool entry!");
-    ARMConstantPoolValue *ACPV =
-      static_cast<ARMConstantPoolValue*>(MCPE.Val.MachineCPVal);
-    unsigned PCLabelId = AFI->createConstPoolEntryUId();
-    ARMConstantPoolValue *NewCPV = 0;
-    if (ACPV->isGlobalValue())
-      NewCPV = new ARMConstantPoolValue(ACPV->getGV(), PCLabelId,
-                                        ARMCP::CPValue, 4);
-    else if (ACPV->isExtSymbol())
-      NewCPV = new ARMConstantPoolValue(MF.getFunction()->getContext(),
-                                        ACPV->getSymbol(), PCLabelId, 4);
-    else if (ACPV->isBlockAddress())
-      NewCPV = new ARMConstantPoolValue(ACPV->getBlockAddress(), PCLabelId,
-                                        ARMCP::CPBlockAddress, 4);
-    else
-      llvm_unreachable("Unexpected ARM constantpool value type!!");
-    CPI = MCP->getConstantPoolIndex(NewCPV, MCPE.getAlignment());
-    MachineInstrBuilder MIB = BuildMI(MBB, I, Orig->getDebugLoc(), get(Opcode),
-                                      DestReg)
-      .addConstantPoolIndex(CPI).addImm(PCLabelId);
-    (*MIB).setMemRefs(Orig->memoperands_begin(), Orig->memoperands_end());
-    break;
-  }
-  }
-
-  MachineInstr *NewMI = prior(I);
-  NewMI->getOperand(0).setSubReg(SubIdx);
-}
-
 void llvm::emitT2RegPlusImmediate(MachineBasicBlock &MBB,
                                MachineBasicBlock::iterator &MBBI, DebugLoc dl,
                                unsigned DestReg, unsigned BaseReg, int NumBytes,
index 167f316..663a60b 100644 (file)
@@ -50,10 +50,6 @@ public:
                             unsigned DestReg, int FrameIndex,
                             const TargetRegisterClass *RC) const;
 
-  void reMaterialize(MachineBasicBlock &MBB, MachineBasicBlock::iterator MI,
-                     unsigned DestReg, unsigned SubIdx,
-                     const MachineInstr *Orig) const;
-
   /// getRegisterInfo - TargetInstrInfo is a superset of MRegister info.  As
   /// such, whenever a client has an instance of instruction info, it should
   /// always be able to get register info as well (through this method).