Thumb2 assembly parsing and encoding for SASX.

[oota-llvm.git] / lib / Target / MSP430 / MSP430InstrInfo.cpp

diff --git a/lib/Target/MSP430/MSP430InstrInfo.cpp b/lib/Target/MSP430/MSP430InstrInfo.cpp
index bfab844f5b1a7a278b99162c4f9bee573516a88f..ffd43183c5d9d4b27670c16d30a9cb822cbfbe82 100644 (file)
--- a/lib/Target/MSP430/MSP430InstrInfo.cpp
+++ b/lib/Target/MSP430/MSP430InstrInfo.cpp
@@ -15,18 +15,21 @@
 #include "MSP430InstrInfo.h"
 #include "MSP430MachineFunctionInfo.h"
 #include "MSP430TargetMachine.h"
-#include "MSP430GenInstrInfo.inc"
 #include "llvm/Function.h"
 #include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
 #include "llvm/CodeGen/PseudoSourceValue.h"
 #include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/TargetRegistry.h"
+
+#define GET_INSTRINFO_CTOR
+#include "MSP430GenInstrInfo.inc"
 
 using namespace llvm;
 
 MSP430InstrInfo::MSP430InstrInfo(MSP430TargetMachine &tm)
-  : TargetInstrInfoImpl(MSP430Insts, array_lengthof(MSP430Insts)),
+  : MSP430GenInstrInfo(MSP430::ADJCALLSTACKDOWN, MSP430::ADJCALLSTACKUP),
     RI(tm, *this), TM(tm) {}
 
 void MSP430InstrInfo::storeRegToStackSlot(MachineBasicBlock &MBB,
@@ -40,8 +43,9 @@ void MSP430InstrInfo::storeRegToStackSlot(MachineBasicBlock &MBB,
   MachineFrameInfo &MFI = *MF.getFrameInfo();
 
   MachineMemOperand *MMO =
-    MF.getMachineMemOperand(PseudoSourceValue::getFixedStack(FrameIdx),
-                            MachineMemOperand::MOStore, 0,
+    MF.getMachineMemOperand(
+              MachinePointerInfo(PseudoSourceValue::getFixedStack(FrameIdx)),
+                            MachineMemOperand::MOStore,
                             MFI.getObjectSize(FrameIdx),
                             MFI.getObjectAlignment(FrameIdx));
 
@@ -68,8 +72,9 @@ void MSP430InstrInfo::loadRegFromStackSlot(MachineBasicBlock &MBB,
   MachineFrameInfo &MFI = *MF.getFrameInfo();
 
   MachineMemOperand *MMO =
-    MF.getMachineMemOperand(PseudoSourceValue::getFixedStack(FrameIdx),
-                            MachineMemOperand::MOLoad, 0,
+    MF.getMachineMemOperand(
+              MachinePointerInfo(PseudoSourceValue::getFixedStack(FrameIdx)),
+                            MachineMemOperand::MOLoad,
                             MFI.getObjectSize(FrameIdx),
                             MFI.getObjectAlignment(FrameIdx));
 
@@ -99,48 +104,6 @@ void MSP430InstrInfo::copyPhysReg(MachineBasicBlock &MBB,
     .addReg(SrcReg, getKillRegState(KillSrc));
 }
 
-bool
-MSP430InstrInfo::spillCalleeSavedRegisters(MachineBasicBlock &MBB,
-                                           MachineBasicBlock::iterator MI,
-                                        const std::vector<CalleeSavedInfo> &CSI,
-                                          const TargetRegisterInfo *TRI) const {
-  if (CSI.empty())
-    return false;
-
-  DebugLoc DL;
-  if (MI != MBB.end()) DL = MI->getDebugLoc();
-
-  MachineFunction &MF = *MBB.getParent();
-  MSP430MachineFunctionInfo *MFI = MF.getInfo<MSP430MachineFunctionInfo>();
-  MFI->setCalleeSavedFrameSize(CSI.size() * 2);
-
-  for (unsigned i = CSI.size(); i != 0; --i) {
-    unsigned Reg = CSI[i-1].getReg();
-    // Add the callee-saved register as live-in. It's killed at the spill.
-    MBB.addLiveIn(Reg);
-    BuildMI(MBB, MI, DL, get(MSP430::PUSH16r))
-      .addReg(Reg, RegState::Kill);
-  }
-  return true;
-}
-
-bool
-MSP430InstrInfo::restoreCalleeSavedRegisters(MachineBasicBlock &MBB,
-                                             MachineBasicBlock::iterator MI,
-                                        const std::vector<CalleeSavedInfo> &CSI,
-                                          const TargetRegisterInfo *TRI) const {
-  if (CSI.empty())
-    return false;
-
-  DebugLoc DL;
-  if (MI != MBB.end()) DL = MI->getDebugLoc();
-
-  for (unsigned i = 0, e = CSI.size(); i != e; ++i)
-    BuildMI(MBB, MI, DL, get(MSP430::POP16r), CSI[i].getReg());
-
-  return true;
-}
-
 unsigned MSP430InstrInfo::RemoveBranch(MachineBasicBlock &MBB) const {
   MachineBasicBlock::iterator I = MBB.end();
   unsigned Count = 0;
@@ -198,13 +161,13 @@ ReverseBranchCondition(SmallVectorImpl<MachineOperand> &Cond) const {
 }
 
 bool MSP430InstrInfo::isUnpredicatedTerminator(const MachineInstr *MI) const {
-  const TargetInstrDesc &TID = MI->getDesc();
-  if (!TID.isTerminator()) return false;
+  const MCInstrDesc &MCID = MI->getDesc();
+  if (!MCID.isTerminator()) return false;
 
   // Conditional branch is a special case.
-  if (TID.isBranch() && !TID.isBarrier())
+  if (MCID.isBranch() && !MCID.isBarrier())
     return true;
-  if (!TID.isPredicable())
+  if (!MCID.isPredicable())
     return true;
   return !isPredicated(MI);
 }
@@ -333,7 +296,7 @@ MSP430InstrInfo::InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
 /// instruction may be.  This returns the maximum number of bytes.
 ///
 unsigned MSP430InstrInfo::GetInstSizeInBytes(const MachineInstr *MI) const {
-  const TargetInstrDesc &Desc = MI->getDesc();
+  const MCInstrDesc &Desc = MI->getDesc();
 
   switch (Desc.TSFlags & MSP430II::SizeMask) {
   default: