[llvm-commits] [llvm] r66464 - in /llvm/branches/Apple/Dib: lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp lib/Target/ARM/ARMSubtarget.cpp lib/Target/ARM/ARMTargetMachine.cpp lib/Target/X86/X86ISelLowering.cpp lib/Target/X86/X86ISelLowering.h lib/Target/X86/X86Instr64bit.td lib/Target/X86/X86InstrInfo.cpp lib/Target/X86/X86InstrInfo.td test/CodeGen/ARM/uxtb.ll test/CodeGen/X86/2009-03-05-burr-list-crash.ll test/CodeGen/X86/peep-test-0.ll test/CodeGen/X86/peep-test-1.ll test/CodeGen/X86/peep-test.ll

Evan Cheng evan.cheng at apple.com
Mon Mar 9 14:11:22 PDT 2009


Huh? You are mixing a number of different things here. For example,  
ARMTargetMachine.cpp changes have nothing to do the rest.

Evan

On Mar 9, 2009, at 2:08 PM, Bill Wendling wrote:

> Author: void
> Date: Mon Mar  9 16:08:34 2009
> New Revision: 66464
>
> URL: http://llvm.org/viewvc/llvm-project?rev=66464&view=rev
> Log:
> Revert r66456. It was badly breaking things.
>
> Removed:
>    llvm/branches/Apple/Dib/test/CodeGen/X86/2009-03-05-burr-list- 
> crash.ll
>    llvm/branches/Apple/Dib/test/CodeGen/X86/peep-test-0.ll
>    llvm/branches/Apple/Dib/test/CodeGen/X86/peep-test-1.ll
>    llvm/branches/Apple/Dib/test/CodeGen/X86/peep-test.ll
> Modified:
>    llvm/branches/Apple/Dib/lib/CodeGen/SelectionDAG/ 
> ScheduleDAGRRList.cpp
>    llvm/branches/Apple/Dib/lib/Target/ARM/ARMSubtarget.cpp
>    llvm/branches/Apple/Dib/lib/Target/ARM/ARMTargetMachine.cpp
>    llvm/branches/Apple/Dib/lib/Target/X86/X86ISelLowering.cpp
>    llvm/branches/Apple/Dib/lib/Target/X86/X86ISelLowering.h
>    llvm/branches/Apple/Dib/lib/Target/X86/X86Instr64bit.td
>    llvm/branches/Apple/Dib/lib/Target/X86/X86InstrInfo.cpp
>    llvm/branches/Apple/Dib/lib/Target/X86/X86InstrInfo.td
>    llvm/branches/Apple/Dib/test/CodeGen/ARM/uxtb.ll
>
> Modified: llvm/branches/Apple/Dib/lib/CodeGen/SelectionDAG/ 
> ScheduleDAGRRList.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Dib/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp?rev=66464&r1=66463&r2=66464&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/branches/Apple/Dib/lib/CodeGen/SelectionDAG/ 
> ScheduleDAGRRList.cpp (original)
> +++ llvm/branches/Apple/Dib/lib/CodeGen/SelectionDAG/ 
> ScheduleDAGRRList.cpp Mon Mar  9 16:08:34 2009
> @@ -402,7 +402,7 @@
>       NewSU->isCommutable = true;
>     ComputeLatency(NewSU);
>
> -    SmallVector<SDep, 4> ChainPreds;
> +    SDep ChainPred;
>     SmallVector<SDep, 4> ChainSuccs;
>     SmallVector<SDep, 4> LoadPreds;
>     SmallVector<SDep, 4> NodePreds;
> @@ -410,7 +410,7 @@
>     for (SUnit::pred_iterator I = SU->Preds.begin(), E = SU- 
> >Preds.end();
>          I != E; ++I) {
>       if (I->isCtrl())
> -        ChainPreds.push_back(*I);
> +        ChainPred = *I;
>       else if (I->getSUnit()->getNode() &&
>                I->getSUnit()->getNode()->isOperandOf(LoadNode))
>         LoadPreds.push_back(*I);
> @@ -425,17 +425,17 @@
>         NodeSuccs.push_back(*I);
>     }
>
> -    for (unsigned i = 0, e = ChainPreds.size(); i != e; ++i) {
> -      const SDep &Pred = ChainPreds[i];
> -      RemovePred(SU, Pred);
> +    if (ChainPred.getSUnit()) {
> +      RemovePred(SU, ChainPred);
>       if (isNewLoad)
> -        AddPred(LoadSU, Pred);
> +        AddPred(LoadSU, ChainPred);
>     }
>     for (unsigned i = 0, e = LoadPreds.size(); i != e; ++i) {
>       const SDep &Pred = LoadPreds[i];
>       RemovePred(SU, Pred);
> -      if (isNewLoad)
> +      if (isNewLoad) {
>         AddPred(LoadSU, Pred);
> +      }
>     }
>     for (unsigned i = 0, e = NodePreds.size(); i != e; ++i) {
>       const SDep &Pred = NodePreds[i];
>
> Modified: llvm/branches/Apple/Dib/lib/Target/ARM/ARMSubtarget.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Dib/lib/Target/ARM/ARMSubtarget.cpp?rev=66464&r1=66463&r2=66464&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/branches/Apple/Dib/lib/Target/ARM/ARMSubtarget.cpp (original)
> +++ llvm/branches/Apple/Dib/lib/Target/ARM/ARMSubtarget.cpp Mon Mar   
> 9 16:08:34 2009
> @@ -35,31 +35,8 @@
>   // Set the boolean corresponding to the current target triple, or  
> the default
>   // if one cannot be determined, to true.
>   const std::string& TT = M.getTargetTriple();
> -  unsigned Len = TT.length();
> -  unsigned Idx = 0;
> -  if (Len >= 5 && TT.substr(0, 4) == "armv")
> -    Idx = 4;
> -  else if (Len >= 6 && TT.substr(0, 6) == "thumb") {
> -    IsThumb = true;
> -    if (Len >= 7 && TT[5] == 'v')
> -      Idx = 6;
> -  }
> -  if (Idx) {
> -    unsigned SubVer = TT[Idx];
> -    if (SubVer > '4' && SubVer <= '9') {
> -      if (SubVer >= '6')
> -        ARMArchVersion = V6;
> -      else if (SubVer == '5') {
> -        ARMArchVersion = V5T;
> -        if (Len >= Idx+3 && TT[Idx+1] == 't' && TT[Idx+2] == 'e')
> -          ARMArchVersion = V5TE;
> -      }
> -    }
> -  }
> -
> -  if (Len >= 10) {
> +  if (TT.length() > 5) {
>     if (TT.find("-darwin") != std::string::npos)
> -      // arm-darwin
>       TargetType = isDarwin;
>   } else if (TT.empty()) {
> #if defined(__APPLE__)
>
> Modified: llvm/branches/Apple/Dib/lib/Target/ARM/ARMTargetMachine.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Dib/lib/Target/ARM/ARMTargetMachine.cpp?rev=66464&r1=66463&r2=66464&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/branches/Apple/Dib/lib/Target/ARM/ARMTargetMachine.cpp  
> (original)
> +++ llvm/branches/Apple/Dib/lib/Target/ARM/ARMTargetMachine.cpp Mon  
> Mar  9 16:08:34 2009
> @@ -53,9 +53,7 @@
>
> unsigned ThumbTargetMachine::getModuleMatchQuality(const Module &M) {
>   std::string TT = M.getTargetTriple();
> -  // Match thumb-foo-bar, as well as things like thumbv5blah-*
> -  if (TT.size() >= 6 &&
> -      (TT.substr(0, 6) == "thumb-" || TT.substr(0, 6) == "thumbv"))
> +  if (TT.size() >= 6 && std::string(TT.begin(), TT.begin()+6) ==  
> "thumb-")
>     return 20;
>
>   // If the target triple is something non-thumb, we don't match.
> @@ -107,8 +105,7 @@
>
> unsigned ARMTargetMachine::getModuleMatchQuality(const Module &M) {
>   std::string TT = M.getTargetTriple();
> -  // Match arm-foo-bar, as well as things like armv5blah-*
> -  if (TT.size() >= 4 &&
> +  if (TT.size() >= 4 && // Match arm-foo-bar, as well as things  
> like armv5blah-*
>       (TT.substr(0, 4) == "arm-" || TT.substr(0, 4) == "armv"))
>     return 20;
>   // If the target triple is something non-arm, we don't match.
>
> Modified: llvm/branches/Apple/Dib/lib/Target/X86/X86ISelLowering.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Dib/lib/Target/X86/X86ISelLowering.cpp?rev=66464&r1=66463&r2=66464&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/branches/Apple/Dib/lib/Target/X86/X86ISelLowering.cpp  
> (original)
> +++ llvm/branches/Apple/Dib/lib/Target/X86/X86ISelLowering.cpp Mon  
> Mar  9 16:08:34 2009
> @@ -5345,113 +5345,6 @@
>   return DAG.getNode(X86ISD::FOR, dl, VT, Val, SignBit);
> }
>
> -/// Emit nodes that will be selected as "test Op0,Op0", or something
> -/// equivalent.
> -SDValue X86TargetLowering::EmitTest(SDValue Op, unsigned X86CC,
> -                                    SelectionDAG &DAG) {
> -  DebugLoc dl = Op.getDebugLoc();
> -
> -  // CF and OF aren't always set the way we want. Determine which
> -  // of these we need.
> -  bool NeedCF = false;
> -  bool NeedOF = false;
> -  switch (X86CC) {
> -  case X86::COND_A: case X86::COND_AE:
> -  case X86::COND_B: case X86::COND_BE:
> -    NeedCF = true;
> -    break;
> -  case X86::COND_G: case X86::COND_GE:
> -  case X86::COND_L: case X86::COND_LE:
> -  case X86::COND_O: case X86::COND_NO:
> -    NeedOF = true;
> -    break;
> -  default: break;
> -  }
> -
> -  // See if we can use the EFLAGS value from the operand instead of
> -  // doing a separate TEST. TEST always sets OF and CF to 0, so  
> unless
> -  // we prove that the arithmetic won't overflow, we can't use OF  
> or CF.
> -  if (Op.getResNo() == 0 && !NeedOF && !NeedCF) {
> -    unsigned Opcode = 0;
> -    unsigned NumOperands = 0;
> -    switch (Op.getNode()->getOpcode()) {
> -    case ISD::ADD:
> -      // Due to an isel shortcoming, be conservative if this add is  
> likely to
> -      // be selected as part of a load-modify-store instruction.  
> When the root
> -      // node in a match is a store, isel doesn't know how to remap  
> non-chain
> -      // non-flag uses of other nodes in the match, such as the ADD  
> in this
> -      // case. This leads to the ADD being left around and  
> reselected, with
> -      // the result being two adds in the output.
> -      for (SDNode::use_iterator UI = Op.getNode()->use_begin(),
> -           UE = Op.getNode()->use_end(); UI != UE; ++UI)
> -        if (UI->getOpcode() == ISD::STORE)
> -          goto default_case;
> -      if (ConstantSDNode *C =
> -            dyn_cast<ConstantSDNode>(Op.getNode()->getOperand(1))) {
> -        // An add of one will be selected as an INC.
> -        if (C->getAPIntValue() == 1) {
> -          Opcode = X86ISD::INC;
> -          NumOperands = 1;
> -          break;
> -        }
> -        // An add of negative one (subtract of one) will be  
> selected as a DEC.
> -        if (C->getAPIntValue().isAllOnesValue()) {
> -          Opcode = X86ISD::DEC;
> -          NumOperands = 1;
> -          break;
> -        }
> -      }
> -      // Otherwise use a regular EFLAGS-setting add.
> -      Opcode = X86ISD::ADD;
> -      NumOperands = 2;
> -      break;
> -    case ISD::SUB:
> -      // Due to the ISEL shortcoming noted above, be conservative  
> if this sub is
> -      // likely to be selected as part of a load-modify-store  
> instruction.
> -      for (SDNode::use_iterator UI = Op.getNode()->use_begin(),
> -           UE = Op.getNode()->use_end(); UI != UE; ++UI)
> -        if (UI->getOpcode() == ISD::STORE)
> -          goto default_case;
> -      // Otherwise use a regular EFLAGS-setting sub.
> -      Opcode = X86ISD::SUB;
> -      NumOperands = 2;
> -      break;
> -    case X86ISD::ADD:
> -    case X86ISD::SUB:
> -    case X86ISD::INC:
> -    case X86ISD::DEC:
> -      return SDValue(Op.getNode(), 1);
> -    default:
> -    default_case:
> -      break;
> -    }
> -    if (Opcode != 0) {
> -      const MVT *VTs = DAG.getNodeValueTypes(Op.getValueType(),  
> MVT::i32);
> -      SmallVector<SDValue, 4> Ops;
> -      for (unsigned i = 0; i != NumOperands; ++i)
> -        Ops.push_back(Op.getOperand(i));
> -      SDValue New = DAG.getNode(Opcode, dl, VTs, 2, &Ops[0],  
> NumOperands);
> -      DAG.ReplaceAllUsesWith(Op, New);
> -      return SDValue(New.getNode(), 1);
> -    }
> -  }
> -
> -  return DAG.getNode(X86ISD::CMP, dl, MVT::i32, Op,
> -                     DAG.getConstant(0, Op.getValueType()));
> -}
> -
> -/// Emit nodes that will be selected as "cmp Op0,Op1", or something
> -/// equivalent.
> -SDValue X86TargetLowering::EmitCmp(SDValue Op0, SDValue Op1,  
> unsigned X86CC,
> -                                   SelectionDAG &DAG) {
> -  if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Op1))
> -    if (C->getAPIntValue() == 0)
> -      return EmitTest(Op0, X86CC, DAG);
> -
> -  DebugLoc dl = Op0.getDebugLoc();
> -  return DAG.getNode(X86ISD::CMP, dl, MVT::i32, Op0, Op1);
> -}
> -
> SDValue X86TargetLowering::LowerSETCC(SDValue Op, SelectionDAG &DAG) {
>   assert(Op.getValueType() == MVT::i8 && "SetCC type must be 8-bit  
> integer");
>   SDValue Op0 = Op.getOperand(0);
> @@ -5514,7 +5407,7 @@
>   bool isFP = Op.getOperand(1).getValueType().isFloatingPoint();
>   unsigned X86CC = TranslateX86CC(CC, isFP, Op0, Op1, DAG);
>
> -  SDValue Cond = EmitCmp(Op0, Op1, X86CC, DAG);
> +  SDValue Cond = DAG.getNode(X86ISD::CMP, dl, MVT::i32, Op0, Op1);
>   return DAG.getNode(X86ISD::SETCC, dl, MVT::i8,
>                      DAG.getConstant(X86CC, MVT::i8), Cond);
> }
> @@ -5633,20 +5526,8 @@
> }
>
> // isX86LogicalCmp - Return true if opcode is a X86 logical  
> comparison.
> -static bool isX86LogicalCmp(SDValue Op) {
> -  unsigned Opc = Op.getNode()->getOpcode();
> -  if (Opc == X86ISD::CMP || Opc == X86ISD::COMI || Opc ==  
> X86ISD::UCOMI)
> -    return true;
> -  if (Op.getResNo() == 1 &&
> -      Opc == X86ISD::ADD ||
> -      Opc == X86ISD::SUB ||
> -      Opc == X86ISD::SMUL ||
> -      Opc == X86ISD::UMUL ||
> -      Opc == X86ISD::INC ||
> -      Opc == X86ISD::DEC)
> -    return true;
> -
> -  return false;
> +static bool isX86LogicalCmp(unsigned Opc) {
> +  return Opc == X86ISD::CMP || Opc == X86ISD::COMI || Opc ==  
> X86ISD::UCOMI;
> }
>
> SDValue X86TargetLowering::LowerSELECT(SDValue Op, SelectionDAG  
> &DAG) {
> @@ -5672,7 +5553,7 @@
>         !isScalarFPTypeInSSEReg(VT))  // FPStack?
>       IllegalFPCMov = !hasFPCMov(cast<ConstantSDNode>(CC)- 
> >getSExtValue());
>
> -    if ((isX86LogicalCmp(Cmp) && !IllegalFPCMov) || Opc ==  
> X86ISD::BT) { // FIXME
> +    if ((isX86LogicalCmp(Opc) && !IllegalFPCMov) || Opc ==  
> X86ISD::BT) { // FIXME
>       Cond = Cmp;
>       addTest = false;
>     }
> @@ -5680,7 +5561,8 @@
>
>   if (addTest) {
>     CC = DAG.getConstant(X86::COND_NE, MVT::i8);
> -    Cond = EmitTest(Cond, X86::COND_NE, DAG);
> +    Cond= DAG.getNode(X86ISD::CMP, dl, MVT::i32, Cond,
> +                      DAG.getConstant(0, MVT::i8));
>   }
>
>   const MVT *VTs = DAG.getNodeValueTypes(Op.getValueType(),
> @@ -5748,7 +5630,7 @@
>     SDValue Cmp = Cond.getOperand(1);
>     unsigned Opc = Cmp.getOpcode();
>     // FIXME: WHY THE SPECIAL CASING OF LogicalCmp??
> -    if (isX86LogicalCmp(Cmp) || Opc == X86ISD::BT) {
> +    if (isX86LogicalCmp(Opc) || Opc == X86ISD::BT) {
>       Cond = Cmp;
>       addTest = false;
>     } else {
> @@ -5767,12 +5649,13 @@
>     unsigned CondOpc;
>     if (Cond.hasOneUse() && isAndOrOfSetCCs(Cond, CondOpc)) {
>       SDValue Cmp = Cond.getOperand(0).getOperand(1);
> +      unsigned Opc = Cmp.getOpcode();
>       if (CondOpc == ISD::OR) {
>         // Also, recognize the pattern generated by an FCMP_UNE. We  
> can emit
>         // two branches instead of an explicit OR instruction with a
>         // separate test.
>         if (Cmp == Cond.getOperand(1).getOperand(1) &&
> -            isX86LogicalCmp(Cmp)) {
> +            isX86LogicalCmp(Opc)) {
>           CC = Cond.getOperand(0).getOperand(0);
>           Chain = DAG.getNode(X86ISD::BRCOND, dl, Op.getValueType(),
>                               Chain, Dest, CC, Cmp);
> @@ -5787,7 +5670,7 @@
>         // have a fall-through edge, because this requires an explicit
>         // jmp when the condition is false.
>         if (Cmp == Cond.getOperand(1).getOperand(1) &&
> -            isX86LogicalCmp(Cmp) &&
> +            isX86LogicalCmp(Opc) &&
>             Op.getNode()->hasOneUse()) {
>           X86::CondCode CCode =
>              
> (X86::CondCode)Cond.getOperand(0).getConstantOperandVal(0);
> @@ -5830,7 +5713,8 @@
>
>   if (addTest) {
>     CC = DAG.getConstant(X86::COND_NE, MVT::i8);
> -    Cond = EmitTest(Cond, X86::COND_NE, DAG);
> +    Cond= DAG.getNode(X86ISD::CMP, dl, MVT::i32, Cond,
> +                      DAG.getConstant(0, MVT::i8));
>   }
>   return DAG.getNode(X86ISD::BRCOND, dl, Op.getValueType(),
>                      Chain, Dest, CC, Cond);
> @@ -6763,14 +6647,6 @@
>   switch (Op.getOpcode()) {
>   default: assert(0 && "Unknown ovf instruction!");
>   case ISD::SADDO:
> -    // A subtract of one will be selected as a INC. Note that INC  
> doesn't
> -    // set CF, so we can't do this for UADDO.
> -    if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Op))
> -      if (C->getAPIntValue() == 1) {
> -        BaseOp = X86ISD::INC;
> -        Cond = X86::COND_O;
> -        break;
> -      }
>     BaseOp = X86ISD::ADD;
>     Cond = X86::COND_O;
>     break;
> @@ -6779,14 +6655,6 @@
>     Cond = X86::COND_B;
>     break;
>   case ISD::SSUBO:
> -    // A subtract of one will be selected as a DEC. Note that DEC  
> doesn't
> -    // set CF, so we can't do this for USUBO.
> -    if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Op))
> -      if (C->getAPIntValue() == 1) {
> -        BaseOp = X86ISD::DEC;
> -        Cond = X86::COND_O;
> -        break;
> -      }
>     BaseOp = X86ISD::SUB;
>     Cond = X86::COND_O;
>     break;
> @@ -7127,8 +6995,6 @@
>   case X86ISD::SUB:                return "X86ISD::SUB";
>   case X86ISD::SMUL:               return "X86ISD::SMUL";
>   case X86ISD::UMUL:               return "X86ISD::UMUL";
> -  case X86ISD::INC:                return "X86ISD::INC";
> -  case X86ISD::DEC:                return "X86ISD::DEC";
>   }
> }
>
> @@ -7927,8 +7793,6 @@
>   case X86ISD::SUB:
>   case X86ISD::SMUL:
>   case X86ISD::UMUL:
> -  case X86ISD::INC:
> -  case X86ISD::DEC:
>     // These nodes' second result is a boolean.
>     if (Op.getResNo() == 0)
>       break;
>
> Modified: llvm/branches/Apple/Dib/lib/Target/X86/X86ISelLowering.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Dib/lib/Target/X86/X86ISelLowering.h?rev=66464&r1=66463&r2=66464&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/branches/Apple/Dib/lib/Target/X86/X86ISelLowering.h  
> (original)
> +++ llvm/branches/Apple/Dib/lib/Target/X86/X86ISelLowering.h Mon  
> Mar  9 16:08:34 2009
> @@ -235,9 +235,9 @@
>       PCMPEQB, PCMPEQW, PCMPEQD, PCMPEQQ,
>       PCMPGTB, PCMPGTW, PCMPGTD, PCMPGTQ,
>
> -      // ADD, SUB, SMUL, UMUL, etc. - Arithmetic operations with  
> FLAGS results.
> -      ADD, SUB, SMUL, UMUL,
> -      INC, DEC
> +      // ADD, SUB, SMUL, UMUL - Arithmetic operations with overflow/ 
> carry
> +      // intrinsics.
> +      ADD, SUB, SMUL, UMUL
>     };
>   }
>
> @@ -659,15 +659,6 @@
>     MachineBasicBlock  
> *EmitAtomicMinMaxWithCustomInserter(MachineInstr *BInstr,
>                                                            
> MachineBasicBlock *BB,
>                                                           unsigned  
> cmovOpc);
> -
> -    /// Emit nodes that will be selected as "test Op0,Op0", or  
> something
> -    /// equivalent, for use with the given x86 condition code.
> -    SDValue EmitTest(SDValue Op0, unsigned X86CC, SelectionDAG &DAG);
> -
> -    /// Emit nodes that will be selected as "cmp Op0,Op1", or  
> something
> -    /// equivalent, for use with the given x86 condition code.
> -    SDValue EmitCmp(SDValue Op0, SDValue Op1, unsigned X86CC,
> -                    SelectionDAG &DAG);
>   };
>
>   namespace X86 {
>
> Modified: llvm/branches/Apple/Dib/lib/Target/X86/X86Instr64bit.td
> URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Dib/lib/Target/X86/X86Instr64bit.td?rev=66464&r1=66463&r2=66464&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/branches/Apple/Dib/lib/Target/X86/X86Instr64bit.td (original)
> +++ llvm/branches/Apple/Dib/lib/Target/X86/X86Instr64bit.td Mon Mar   
> 9 16:08:34 2009
> @@ -538,46 +538,36 @@
> let Defs = [EFLAGS], CodeSize = 2 in {
> let isTwoAddress = 1 in
> def NEG64r : RI<0xF7, MRM3r, (outs GR64:$dst), (ins GR64:$src),  
> "neg{q}\t$dst",
> -                [(set GR64:$dst, (ineg GR64:$src)),
> -                 (implicit EFLAGS)]>;
> +                [(set GR64:$dst, (ineg GR64:$src))]>;
> def NEG64m : RI<0xF7, MRM3m, (outs), (ins i64mem:$dst), "neg{q}\t 
> $dst",
> -                [(store (ineg (loadi64 addr:$dst)), addr:$dst),
> -                 (implicit EFLAGS)]>;
> +                [(store (ineg (loadi64 addr:$dst)), addr:$dst)]>;
>
> let isTwoAddress = 1, isConvertibleToThreeAddress = 1 in
> def INC64r : RI<0xFF, MRM0r, (outs GR64:$dst), (ins GR64:$src),  
> "inc{q}\t$dst",
> -                [(set GR64:$dst, (add GR64:$src, 1)),
> -                 (implicit EFLAGS)]>;
> +                [(set GR64:$dst, (add GR64:$src, 1))]>;
> def INC64m : RI<0xFF, MRM0m, (outs), (ins i64mem:$dst), "inc{q}\t 
> $dst",
> -                [(store (add (loadi64 addr:$dst), 1), addr:$dst),
> -                 (implicit EFLAGS)]>;
> +                [(store (add (loadi64 addr:$dst), 1), addr:$dst)]>;
>
> let isTwoAddress = 1, isConvertibleToThreeAddress = 1 in
> def DEC64r : RI<0xFF, MRM1r, (outs GR64:$dst), (ins GR64:$src),  
> "dec{q}\t$dst",
> -                [(set GR64:$dst, (add GR64:$src, -1)),
> -                 (implicit EFLAGS)]>;
> +                [(set GR64:$dst, (add GR64:$src, -1))]>;
> def DEC64m : RI<0xFF, MRM1m, (outs), (ins i64mem:$dst), "dec{q}\t 
> $dst",
> -                [(store (add (loadi64 addr:$dst), -1), addr:$dst),
> -                 (implicit EFLAGS)]>;
> +                [(store (add (loadi64 addr:$dst), -1), addr:$dst)]>;
>
> // In 64-bit mode, single byte INC and DEC cannot be encoded.
> let isTwoAddress = 1, isConvertibleToThreeAddress = 1 in {
> // Can transform into LEA.
> def INC64_16r : I<0xFF, MRM0r, (outs GR16:$dst), (ins GR16:$src),  
> "inc{w}\t$dst",
> -                  [(set GR16:$dst, (add GR16:$src, 1)),
> -                   (implicit EFLAGS)]>,
> +                  [(set GR16:$dst, (add GR16:$src, 1))]>,
>                 OpSize, Requires<[In64BitMode]>;
> def INC64_32r : I<0xFF, MRM0r, (outs GR32:$dst), (ins GR32:$src),  
> "inc{l}\t$dst",
> -                  [(set GR32:$dst, (add GR32:$src, 1)),
> -                   (implicit EFLAGS)]>,
> +                  [(set GR32:$dst, (add GR32:$src, 1))]>,
>                 Requires<[In64BitMode]>;
> def DEC64_16r : I<0xFF, MRM1r, (outs GR16:$dst), (ins GR16:$src),  
> "dec{w}\t$dst",
> -                  [(set GR16:$dst, (add GR16:$src, -1)),
> -                   (implicit EFLAGS)]>,
> +                  [(set GR16:$dst, (add GR16:$src, -1))]>,
>                 OpSize, Requires<[In64BitMode]>;
> def DEC64_32r : I<0xFF, MRM1r, (outs GR32:$dst), (ins GR32:$src),  
> "dec{l}\t$dst",
> -                  [(set GR32:$dst, (add GR32:$src, -1)),
> -                   (implicit EFLAGS)]>,
> +                  [(set GR32:$dst, (add GR32:$src, -1))]>,
>                 Requires<[In64BitMode]>;
> } // isConvertibleToThreeAddress
>
> @@ -585,20 +575,16 @@
> // how to unfold them.
> let isTwoAddress = 0, CodeSize = 2 in {
>   def INC64_16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t 
> $dst",
> -                    [(store (add (loadi16 addr:$dst), 1), addr:$dst),
> -                     (implicit EFLAGS)]>,
> +                    [(store (add (loadi16 addr:$dst), 1), addr: 
> $dst)]>,
>                   OpSize, Requires<[In64BitMode]>;
>   def INC64_32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t 
> $dst",
> -                    [(store (add (loadi32 addr:$dst), 1), addr:$dst),
> -                     (implicit EFLAGS)]>,
> +                    [(store (add (loadi32 addr:$dst), 1), addr: 
> $dst)]>,
>                   Requires<[In64BitMode]>;
>   def DEC64_16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t 
> $dst",
> -                    [(store (add (loadi16 addr:$dst), -1), addr: 
> $dst),
> -                     (implicit EFLAGS)]>,
> +                    [(store (add (loadi16 addr:$dst), -1), addr: 
> $dst)]>,
>                   OpSize, Requires<[In64BitMode]>;
>   def DEC64_32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t 
> $dst",
> -                    [(store (add (loadi32 addr:$dst), -1), addr: 
> $dst),
> -                     (implicit EFLAGS)]>,
> +                    [(store (add (loadi32 addr:$dst), -1), addr: 
> $dst)]>,
>                   Requires<[In64BitMode]>;
> }
> } // Defs = [EFLAGS], CodeSize
> @@ -794,107 +780,86 @@
> def AND64rr  : RI<0x21, MRMDestReg,
>                   (outs GR64:$dst), (ins GR64:$src1, GR64:$src2),
>                   "and{q}\t{$src2, $dst|$dst, $src2}",
> -                  [(set GR64:$dst, (and GR64:$src1, GR64:$src2)),
> -                   (implicit EFLAGS)]>;
> +                  [(set GR64:$dst, (and GR64:$src1, GR64:$src2))]>;
> def AND64rm  : RI<0x23, MRMSrcMem,
>                   (outs GR64:$dst), (ins GR64:$src1, i64mem:$src2),
>                   "and{q}\t{$src2, $dst|$dst, $src2}",
> -                  [(set GR64:$dst, (and GR64:$src1, (load addr: 
> $src2))),
> -                   (implicit EFLAGS)]>;
> +                  [(set GR64:$dst, (and GR64:$src1, (load addr: 
> $src2)))]>;
> def AND64ri8 : RIi8<0x83, MRM4r,
>                     (outs GR64:$dst), (ins GR64:$src1, i64i8imm: 
> $src2),
>                     "and{q}\t{$src2, $dst|$dst, $src2}",
> -                    [(set GR64:$dst, (and GR64:$src1,  
> i64immSExt8:$src2)),
> -                     (implicit EFLAGS)]>;
> +                    [(set GR64:$dst, (and GR64:$src1,  
> i64immSExt8:$src2))]>;
> def AND64ri32  : RIi32<0x81, MRM4r,
>                        (outs GR64:$dst), (ins GR64:$src1, i64i32imm: 
> $src2),
>                        "and{q}\t{$src2, $dst|$dst, $src2}",
> -                       [(set GR64:$dst, (and GR64:$src1,  
> i64immSExt32:$src2)),
> -                        (implicit EFLAGS)]>;
> +                       [(set GR64:$dst, (and GR64:$src1,  
> i64immSExt32:$src2))]>;
> } // isTwoAddress
>
> def AND64mr  : RI<0x21, MRMDestMem,
>                   (outs), (ins i64mem:$dst, GR64:$src),
>                   "and{q}\t{$src, $dst|$dst, $src}",
> -                  [(store (and (load addr:$dst), GR64:$src), addr: 
> $dst),
> -                   (implicit EFLAGS)]>;
> +                  [(store (and (load addr:$dst), GR64:$src), addr: 
> $dst)]>;
> def AND64mi8 : RIi8<0x83, MRM4m,
>                     (outs), (ins i64mem:$dst, i64i8imm :$src),
>                     "and{q}\t{$src, $dst|$dst, $src}",
> -                 [(store (and (load addr:$dst), i64immSExt8:$src),  
> addr:$dst),
> -                  (implicit EFLAGS)]>;
> +                 [(store (and (load addr:$dst), i64immSExt8:$src),  
> addr:$dst)]>;
> def AND64mi32  : RIi32<0x81, MRM4m,
>                        (outs), (ins i64mem:$dst, i64i32imm:$src),
>                        "and{q}\t{$src, $dst|$dst, $src}",
> -             [(store (and (loadi64 addr:$dst), i64immSExt32:$src),  
> addr:$dst),
> -              (implicit EFLAGS)]>;
> +             [(store (and (loadi64 addr:$dst), i64immSExt32:$src),  
> addr:$dst)]>;
>
> let isTwoAddress = 1 in {
> let isCommutable = 1 in
> def OR64rr   : RI<0x09, MRMDestReg, (outs GR64:$dst), (ins  
> GR64:$src1, GR64:$src2),
>                   "or{q}\t{$src2, $dst|$dst, $src2}",
> -                  [(set GR64:$dst, (or GR64:$src1, GR64:$src2)),
> -                   (implicit EFLAGS)]>;
> +                  [(set GR64:$dst, (or GR64:$src1, GR64:$src2))]>;
> def OR64rm   : RI<0x0B, MRMSrcMem , (outs GR64:$dst), (ins  
> GR64:$src1, i64mem:$src2),
>                   "or{q}\t{$src2, $dst|$dst, $src2}",
> -                  [(set GR64:$dst, (or GR64:$src1, (load addr: 
> $src2))),
> -                   (implicit EFLAGS)]>;
> +                  [(set GR64:$dst, (or GR64:$src1, (load addr: 
> $src2)))]>;
> def OR64ri8  : RIi8<0x83, MRM1r, (outs GR64:$dst), (ins GR64:$src1,  
> i64i8imm:$src2),
>                     "or{q}\t{$src2, $dst|$dst, $src2}",
> -                    [(set GR64:$dst, (or GR64:$src1,  
> i64immSExt8:$src2)),
> -                     (implicit EFLAGS)]>;
> +                    [(set GR64:$dst, (or GR64:$src1,  
> i64immSExt8:$src2))]>;
> def OR64ri32 : RIi32<0x81, MRM1r, (outs GR64:$dst), (ins GR64:$src1,  
> i64i32imm:$src2),
>                      "or{q}\t{$src2, $dst|$dst, $src2}",
> -                     [(set GR64:$dst, (or GR64:$src1,  
> i64immSExt32:$src2)),
> -                      (implicit EFLAGS)]>;
> +                     [(set GR64:$dst, (or GR64:$src1,  
> i64immSExt32:$src2))]>;
> } // isTwoAddress
>
> def OR64mr : RI<0x09, MRMDestMem, (outs), (ins i64mem:$dst,  
> GR64:$src),
>                 "or{q}\t{$src, $dst|$dst, $src}",
> -                [(store (or (load addr:$dst), GR64:$src), addr:$dst),
> -                 (implicit EFLAGS)]>;
> +                [(store (or (load addr:$dst), GR64:$src), addr: 
> $dst)]>;
> def OR64mi8  : RIi8<0x83, MRM1m, (outs), (ins i64mem:$dst, i64i8imm: 
> $src),
>                     "or{q}\t{$src, $dst|$dst, $src}",
> -                  [(store (or (load addr:$dst), i64immSExt8:$src),  
> addr:$dst),
> -                   (implicit EFLAGS)]>;
> +                  [(store (or (load addr:$dst), i64immSExt8:$src),  
> addr:$dst)]>;
> def OR64mi32 : RIi32<0x81, MRM1m, (outs), (ins i64mem:$dst,  
> i64i32imm:$src),
>                      "or{q}\t{$src, $dst|$dst, $src}",
> -              [(store (or (loadi64 addr:$dst), i64immSExt32:$src),  
> addr:$dst),
> -               (implicit EFLAGS)]>;
> +              [(store (or (loadi64 addr:$dst), i64immSExt32:$src),  
> addr:$dst)]>;
>
> let isTwoAddress = 1 in {
> let isCommutable = 1 in
> def XOR64rr  : RI<0x31, MRMDestReg,  (outs GR64:$dst), (ins  
> GR64:$src1, GR64:$src2),
>                   "xor{q}\t{$src2, $dst|$dst, $src2}",
> -                  [(set GR64:$dst, (xor GR64:$src1, GR64:$src2)),
> -                   (implicit EFLAGS)]>;
> +                  [(set GR64:$dst, (xor GR64:$src1, GR64:$src2))]>;
> def XOR64rm  : RI<0x33, MRMSrcMem, (outs GR64:$dst), (ins  
> GR64:$src1, i64mem:$src2),
>                   "xor{q}\t{$src2, $dst|$dst, $src2}",
> -                  [(set GR64:$dst, (xor GR64:$src1, (load addr: 
> $src2))),
> -                   (implicit EFLAGS)]>;
> +                  [(set GR64:$dst, (xor GR64:$src1, (load addr: 
> $src2)))]>;
> def XOR64ri8 : RIi8<0x83, MRM6r,  (outs GR64:$dst), (ins GR64:$src1,  
> i64i8imm:$src2),
>                     "xor{q}\t{$src2, $dst|$dst, $src2}",
> -                    [(set GR64:$dst, (xor GR64:$src1,  
> i64immSExt8:$src2)),
> -                     (implicit EFLAGS)]>;
> +                    [(set GR64:$dst, (xor GR64:$src1,  
> i64immSExt8:$src2))]>;
> def XOR64ri32 : RIi32<0x81, MRM6r,
>                       (outs GR64:$dst), (ins GR64:$src1, i64i32imm: 
> $src2),
>                       "xor{q}\t{$src2, $dst|$dst, $src2}",
> -                      [(set GR64:$dst, (xor GR64:$src1,  
> i64immSExt32:$src2)),
> -                       (implicit EFLAGS)]>;
> +                      [(set GR64:$dst, (xor GR64:$src1,  
> i64immSExt32:$src2))]>;
> } // isTwoAddress
>
> def XOR64mr  : RI<0x31, MRMDestMem, (outs), (ins i64mem:$dst,  
> GR64:$src),
>                   "xor{q}\t{$src, $dst|$dst, $src}",
> -                  [(store (xor (load addr:$dst), GR64:$src), addr: 
> $dst),
> -                   (implicit EFLAGS)]>;
> +                  [(store (xor (load addr:$dst), GR64:$src), addr: 
> $dst)]>;
> def XOR64mi8 : RIi8<0x83, MRM6m, (outs), (ins i64mem:$dst, i64i8imm : 
> $src),
>                     "xor{q}\t{$src, $dst|$dst, $src}",
> -                 [(store (xor (load addr:$dst), i64immSExt8:$src),  
> addr:$dst),
> -                  (implicit EFLAGS)]>;
> +                 [(store (xor (load addr:$dst), i64immSExt8:$src),  
> addr:$dst)]>;
> def XOR64mi32 : RIi32<0x81, MRM6m, (outs), (ins i64mem:$dst,  
> i64i32imm:$src),
>                       "xor{q}\t{$src, $dst|$dst, $src}",
> -             [(store (xor (loadi64 addr:$dst), i64immSExt32:$src),  
> addr:$dst),
> -              (implicit EFLAGS)]>;
> +             [(store (xor (loadi64 addr:$dst), i64immSExt32:$src),  
> addr:$dst)]>;
> } // Defs = [EFLAGS]
>
> // 
> = 
> = 
> = 
> ----------------------------------------------------------------------= 
> ==//
> @@ -1631,135 +1596,101 @@
>           (SUB64ri32 GR64:$src1, i64immSExt32:$src2)>;
>
> // 
> = 
> = 
> = 
> ----------------------------------------------------------------------= 
> ==//
> -// EFLAGS-defining Patterns
> +// Overflow Patterns
> // 
> = 
> = 
> = 
> ----------------------------------------------------------------------= 
> ==//
>
> -// Register-Register Addition with EFLAGS result
> -def : Pat<(parallel (X86add_flag GR64:$src1, GR64:$src2),
> +// Register-Register Addition with Overflow
> +def : Pat<(parallel (X86add_ovf GR64:$src1, GR64:$src2),
>                     (implicit EFLAGS)),
>           (ADD64rr GR64:$src1, GR64:$src2)>;
>
> -// Register-Integer Addition with EFLAGS result
> -def : Pat<(parallel (X86add_flag GR64:$src1, i64immSExt8:$src2),
> +// Register-Integer Addition with Overflow
> +def : Pat<(parallel (X86add_ovf GR64:$src1, i64immSExt8:$src2),
>                     (implicit EFLAGS)),
>           (ADD64ri8 GR64:$src1, i64immSExt8:$src2)>;
> -def : Pat<(parallel (X86add_flag GR64:$src1, i64immSExt32:$src2),
> +def : Pat<(parallel (X86add_ovf GR64:$src1, i64immSExt32:$src2),
>                     (implicit EFLAGS)),
>           (ADD64ri32 GR64:$src1, i64immSExt32:$src2)>;
>
> -// Register-Memory Addition with EFLAGS result
> -def : Pat<(parallel (X86add_flag GR64:$src1, (loadi64 addr:$src2)),
> +// Register-Memory Addition with Overflow
> +def : Pat<(parallel (X86add_ovf GR64:$src1, (load addr:$src2)),
>                     (implicit EFLAGS)),
>           (ADD64rm GR64:$src1, addr:$src2)>;
>
> -// Memory-Register Addition with EFLAGS result
> -def : Pat<(parallel (store (X86add_flag (loadi64 addr:$dst),  
> GR64:$src2),
> +// Memory-Register Addition with Overflow
> +def : Pat<(parallel (store (X86add_ovf (load addr:$dst), GR64:$src2),
>                            addr:$dst),
>                     (implicit EFLAGS)),
>           (ADD64mr addr:$dst, GR64:$src2)>;
> -def : Pat<(parallel (store (X86add_flag (loadi64 addr:$dst),  
> i64immSExt8:$src2),
> +def : Pat<(parallel (store (X86add_ovf (load addr:$dst),  
> i64immSExt8:$src2),
>                            addr:$dst),
>                     (implicit EFLAGS)),
>           (ADD64mi8 addr:$dst, i64immSExt8:$src2)>;
> -def : Pat<(parallel (store (X86add_flag (loadi64 addr:$dst),  
> i64immSExt32:$src2),
> +def : Pat<(parallel (store (X86add_ovf (load addr:$dst),  
> i64immSExt32:$src2),
>                            addr:$dst),
>                     (implicit EFLAGS)),
>           (ADD64mi32 addr:$dst, i64immSExt32:$src2)>;
>
> -// Register-Register Subtraction with EFLAGS result
> -def : Pat<(parallel (X86sub_flag GR64:$src1, GR64:$src2),
> +// Register-Register Subtraction with Overflow
> +def : Pat<(parallel (X86sub_ovf GR64:$src1, GR64:$src2),
>                     (implicit EFLAGS)),
>           (SUB64rr GR64:$src1, GR64:$src2)>;
>
> -// Register-Memory Subtraction with EFLAGS result
> -def : Pat<(parallel (X86sub_flag GR64:$src1, (loadi64 addr:$src2)),
> +// Register-Memory Subtraction with Overflow
> +def : Pat<(parallel (X86sub_ovf GR64:$src1, (load addr:$src2)),
>                     (implicit EFLAGS)),
>           (SUB64rm GR64:$src1, addr:$src2)>;
>
> -// Register-Integer Subtraction with EFLAGS result
> -def : Pat<(parallel (X86sub_flag GR64:$src1, i64immSExt8:$src2),
> +// Register-Integer Subtraction with Overflow
> +def : Pat<(parallel (X86sub_ovf GR64:$src1, i64immSExt8:$src2),
>                     (implicit EFLAGS)),
>           (SUB64ri8 GR64:$src1, i64immSExt8:$src2)>;
> -def : Pat<(parallel (X86sub_flag GR64:$src1, i64immSExt32:$src2),
> +def : Pat<(parallel (X86sub_ovf GR64:$src1, i64immSExt32:$src2),
>                     (implicit EFLAGS)),
>           (SUB64ri32 GR64:$src1, i64immSExt32:$src2)>;
>
> -// Memory-Register Subtraction with EFLAGS result
> -def : Pat<(parallel (store (X86sub_flag (loadi64 addr:$dst),  
> GR64:$src2),
> +// Memory-Register Subtraction with Overflow
> +def : Pat<(parallel (store (X86sub_ovf (load addr:$dst), GR64:$src2),
>                            addr:$dst),
>                     (implicit EFLAGS)),
>           (SUB64mr addr:$dst, GR64:$src2)>;
>
> -// Memory-Integer Subtraction with EFLAGS result
> -def : Pat<(parallel (store (X86sub_flag (loadi64 addr:$dst),  
> i64immSExt8:$src2),
> +// Memory-Integer Subtraction with Overflow
> +def : Pat<(parallel (store (X86sub_ovf (load addr:$dst),  
> i64immSExt8:$src2),
>                            addr:$dst),
>                     (implicit EFLAGS)),
>           (SUB64mi8 addr:$dst, i64immSExt8:$src2)>;
> -def : Pat<(parallel (store (X86sub_flag (loadi64 addr:$dst),  
> i64immSExt32:$src2),
> +def : Pat<(parallel (store (X86sub_ovf (load addr:$dst),  
> i64immSExt32:$src2),
>                            addr:$dst),
>                     (implicit EFLAGS)),
>           (SUB64mi32 addr:$dst, i64immSExt32:$src2)>;
>
> -// Register-Register Signed Integer Multiplication with EFLAGS result
> -def : Pat<(parallel (X86smul_flag GR64:$src1, GR64:$src2),
> +// Register-Register Signed Integer Multiplication with Overflow
> +def : Pat<(parallel (X86smul_ovf GR64:$src1, GR64:$src2),
>                     (implicit EFLAGS)),
>           (IMUL64rr GR64:$src1, GR64:$src2)>;
>
> -// Register-Memory Signed Integer Multiplication with EFLAGS result
> -def : Pat<(parallel (X86smul_flag GR64:$src1, (loadi64 addr:$src2)),
> +// Register-Memory Signed Integer Multiplication with Overflow
> +def : Pat<(parallel (X86smul_ovf GR64:$src1, (load addr:$src2)),
>                     (implicit EFLAGS)),
>           (IMUL64rm GR64:$src1, addr:$src2)>;
>
> -// Register-Integer Signed Integer Multiplication with EFLAGS result
> -def : Pat<(parallel (X86smul_flag GR64:$src1, i64immSExt8:$src2),
> +// Register-Integer Signed Integer Multiplication with Overflow
> +def : Pat<(parallel (X86smul_ovf GR64:$src1, i64immSExt8:$src2),
>                     (implicit EFLAGS)),
>           (IMUL64rri8 GR64:$src1, i64immSExt8:$src2)>;
> -def : Pat<(parallel (X86smul_flag GR64:$src1, i64immSExt32:$src2),
> +def : Pat<(parallel (X86smul_ovf GR64:$src1, i64immSExt32:$src2),
>                     (implicit EFLAGS)),
>           (IMUL64rri32 GR64:$src1, i64immSExt32:$src2)>;
>
> -// Memory-Integer Signed Integer Multiplication with EFLAGS result
> -def : Pat<(parallel (X86smul_flag (loadi64 addr:$src1),  
> i64immSExt8:$src2),
> +// Memory-Integer Signed Integer Multiplication with Overflow
> +def : Pat<(parallel (X86smul_ovf (load addr:$src1),  
> i64immSExt8:$src2),
>                     (implicit EFLAGS)),
>           (IMUL64rmi8 addr:$src1, i64immSExt8:$src2)>;
> -def : Pat<(parallel (X86smul_flag (loadi64 addr:$src1),  
> i64immSExt32:$src2),
> +def : Pat<(parallel (X86smul_ovf (load addr:$src1),  
> i64immSExt32:$src2),
>                     (implicit EFLAGS)),
>           (IMUL64rmi32 addr:$src1, i64immSExt32:$src2)>;
>
> -// INC and DEC with EFLAGS result. Note that these do not set CF.
> -def : Pat<(parallel (X86inc_flag GR16:$src), (implicit EFLAGS)),
> -          (INC64_16r GR16:$src)>, Requires<[In64BitMode]>;
> -def : Pat<(parallel (store (i16 (X86inc_flag (loadi16 addr:$dst))),  
> addr:$dst),
> -                    (implicit EFLAGS)),
> -          (INC64_16m addr:$dst)>, Requires<[In64BitMode]>;
> -def : Pat<(parallel (X86dec_flag GR16:$src), (implicit EFLAGS)),
> -          (DEC64_16r GR16:$src)>, Requires<[In64BitMode]>;
> -def : Pat<(parallel (store (i16 (X86dec_flag (loadi16 addr:$dst))),  
> addr:$dst),
> -                    (implicit EFLAGS)),
> -          (DEC64_16m addr:$dst)>, Requires<[In64BitMode]>;
> -
> -def : Pat<(parallel (X86inc_flag GR32:$src), (implicit EFLAGS)),
> -          (INC64_32r GR32:$src)>, Requires<[In64BitMode]>;
> -def : Pat<(parallel (store (i32 (X86inc_flag (loadi32 addr:$dst))),  
> addr:$dst),
> -                    (implicit EFLAGS)),
> -          (INC64_32m addr:$dst)>, Requires<[In64BitMode]>;
> -def : Pat<(parallel (X86dec_flag GR32:$src), (implicit EFLAGS)),
> -          (DEC64_32r GR32:$src)>, Requires<[In64BitMode]>;
> -def : Pat<(parallel (store (i32 (X86dec_flag (loadi32 addr:$dst))),  
> addr:$dst),
> -                    (implicit EFLAGS)),
> -          (DEC64_32m addr:$dst)>, Requires<[In64BitMode]>;
> -
> -def : Pat<(parallel (X86inc_flag GR64:$src), (implicit EFLAGS)),
> -          (INC64r GR64:$src)>;
> -def : Pat<(parallel (store (i64 (X86inc_flag (loadi64 addr:$dst))),  
> addr:$dst),
> -                    (implicit EFLAGS)),
> -          (INC64m addr:$dst)>;
> -def : Pat<(parallel (X86dec_flag GR64:$src), (implicit EFLAGS)),
> -          (DEC64r GR64:$src)>;
> -def : Pat<(parallel (store (i64 (X86dec_flag (loadi64 addr:$dst))),  
> addr:$dst),
> -                    (implicit EFLAGS)),
> -          (DEC64m addr:$dst)>;
> -
> // 
> = 
> = 
> = 
> ----------------------------------------------------------------------= 
> ==//
> // X86-64 SSE Instructions
> // 
> = 
> = 
> = 
> ----------------------------------------------------------------------= 
> ==//
>
> Modified: llvm/branches/Apple/Dib/lib/Target/X86/X86InstrInfo.cpp
> URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Dib/lib/Target/X86/X86InstrInfo.cpp?rev=66464&r1=66463&r2=66464&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/branches/Apple/Dib/lib/Target/X86/X86InstrInfo.cpp (original)
> +++ llvm/branches/Apple/Dib/lib/Target/X86/X86InstrInfo.cpp Mon Mar   
> 9 16:08:34 2009
> @@ -2404,7 +2404,6 @@
>   const TargetOperandInfo &TOI = TID.OpInfo[Index];
>   const TargetRegisterClass *RC = TOI.isLookupPtrRegClass()
>     ? RI.getPointerRegClass() : RI.getRegClass(TOI.RegClass);
> -  unsigned NumDefs = TID.NumDefs;
>   std::vector<SDValue> AddrOps;
>   std::vector<SDValue> BeforeOps;
>   std::vector<SDValue> AfterOps;
> @@ -2412,11 +2411,11 @@
>   unsigned NumOps = N->getNumOperands();
>   for (unsigned i = 0; i != NumOps-1; ++i) {
>     SDValue Op = N->getOperand(i);
> -    if (i >= Index-NumDefs && i < Index-NumDefs+4)
> +    if (i >= Index && i < Index+4)
>       AddrOps.push_back(Op);
> -    else if (i < Index-NumDefs)
> +    else if (i < Index)
>       BeforeOps.push_back(Op);
> -    else if (i > Index-NumDefs)
> +    else if (i > Index)
>       AfterOps.push_back(Op);
>   }
>   SDValue Chain = N->getOperand(NumOps-1);
>
> Modified: llvm/branches/Apple/Dib/lib/Target/X86/X86InstrInfo.td
> URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Dib/lib/Target/X86/X86InstrInfo.td?rev=66464&r1=66463&r2=66464&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/branches/Apple/Dib/lib/Target/X86/X86InstrInfo.td (original)
> +++ llvm/branches/Apple/Dib/lib/Target/X86/X86InstrInfo.td Mon Mar   
> 9 16:08:34 2009
> @@ -27,13 +27,11 @@
>                                   [SDTCisSameAs<0, 1>,  
> SDTCisSameAs<1, 2>,
>                                    SDTCisVT<3, i8>, SDTCisVT<4,  
> i32>]>;
>
> -// Unary and binary operator instructions that set EFLAGS as a side- 
> effect.
> -def SDTUnaryArithWithFlags  : SDTypeProfile<1, 1,
> -                                            [SDTCisInt<0>]>;
> -def SDTBinaryArithWithFlags : SDTypeProfile<1, 2,
> -                                            [SDTCisSameAs<0, 1>,
> -                                             SDTCisSameAs<0, 2>,
> -                                             SDTCisInt<0>]>;
> +def SDTUnaryArithOvf  : SDTypeProfile<1, 1,
> +                                      [SDTCisInt<0>]>;
> +def SDTBinaryArithOvf : SDTypeProfile<1, 2,
> +                                      [SDTCisSameAs<0, 1>,  
> SDTCisSameAs<0, 2>,
> +                                       SDTCisInt<0>]>;
>
> def SDTX86BrCond  : SDTypeProfile<0, 3,
>                                   [SDTCisVT<0, OtherVT>,
> @@ -150,12 +148,10 @@
> def X86tcret : SDNode<"X86ISD::TC_RETURN", SDT_X86TCRET,
>                         [SDNPHasChain,  SDNPOptInFlag]>;
>
> -def X86add_flag  : SDNode<"X86ISD::ADD",  SDTBinaryArithWithFlags>;
> -def X86sub_flag  : SDNode<"X86ISD::SUB",  SDTBinaryArithWithFlags>;
> -def X86smul_flag : SDNode<"X86ISD::SMUL", SDTBinaryArithWithFlags>;
> -def X86umul_flag : SDNode<"X86ISD::UMUL", SDTUnaryArithWithFlags>;
> -def X86inc_flag  : SDNode<"X86ISD::INC",  SDTUnaryArithWithFlags>;
> -def X86dec_flag  : SDNode<"X86ISD::DEC",  SDTUnaryArithWithFlags>;
> +def X86add_ovf  : SDNode<"X86ISD::ADD",  SDTBinaryArithOvf>;
> +def X86sub_ovf  : SDNode<"X86ISD::SUB",  SDTBinaryArithOvf>;
> +def X86smul_ovf : SDNode<"X86ISD::SMUL", SDTBinaryArithOvf>;
> +def X86umul_ovf : SDNode<"X86ISD::UMUL", SDTUnaryArithOvf>;
>
> // 
> = 
> = 
> = 
> ----------------------------------------------------------------------= 
> ==//
> // X86 Operand Definitions.
> @@ -1234,24 +1230,19 @@
> let CodeSize = 2 in {
> let Defs = [EFLAGS] in {
> def NEG8r  : I<0xF6, MRM3r, (outs GR8 :$dst), (ins GR8 :$src),  
> "neg{b}\t$dst",
> -               [(set GR8:$dst, (ineg GR8:$src)),
> -                (implicit EFLAGS)]>;
> +               [(set GR8:$dst, (ineg GR8:$src))]>;
> def NEG16r : I<0xF7, MRM3r, (outs GR16:$dst), (ins GR16:$src),  
> "neg{w}\t$dst",
> -               [(set GR16:$dst, (ineg GR16:$src)),
> -                (implicit EFLAGS)]>, OpSize;
> +               [(set GR16:$dst, (ineg GR16:$src))]>, OpSize;
> def NEG32r : I<0xF7, MRM3r, (outs GR32:$dst), (ins GR32:$src),  
> "neg{l}\t$dst",
> -               [(set GR32:$dst, (ineg GR32:$src)),
> -                (implicit EFLAGS)]>;
> +               [(set GR32:$dst, (ineg GR32:$src))]>;
> let isTwoAddress = 0 in {
>   def NEG8m  : I<0xF6, MRM3m, (outs), (ins i8mem :$dst), "neg{b}\t 
> $dst",
> -                 [(store (ineg (loadi8 addr:$dst)), addr:$dst),
> -                  (implicit EFLAGS)]>;
> +                 [(store (ineg (loadi8 addr:$dst)), addr:$dst)]>;
>   def NEG16m : I<0xF7, MRM3m, (outs), (ins i16mem:$dst), "neg{w}\t 
> $dst",
> -                 [(store (ineg (loadi16 addr:$dst)), addr:$dst),
> -                  (implicit EFLAGS)]>, OpSize;
> +                 [(store (ineg (loadi16 addr:$dst)), addr:$dst)]>,  
> OpSize;
>   def NEG32m : I<0xF7, MRM3m, (outs), (ins i32mem:$dst), "neg{l}\t 
> $dst",
> -                 [(store (ineg (loadi32 addr:$dst)), addr:$dst),
> -                  (implicit EFLAGS)]>;
> +                 [(store (ineg (loadi32 addr:$dst)), addr:$dst)]>;
> +
> }
> } // Defs = [EFLAGS]
>
> @@ -1278,56 +1269,44 @@
> let Defs = [EFLAGS] in {
> let CodeSize = 2 in
> def INC8r  : I<0xFE, MRM0r, (outs GR8 :$dst), (ins GR8 :$src),  
> "inc{b}\t$dst",
> -               [(set GR8:$dst, (add GR8:$src, 1)),
> -                (implicit EFLAGS)]>;
> +               [(set GR8:$dst, (add GR8:$src, 1))]>;
> let isConvertibleToThreeAddress = 1, CodeSize = 1 in {  // Can xform  
> into LEA.
> def INC16r : I<0x40, AddRegFrm, (outs GR16:$dst), (ins GR16:$src),  
> "inc{w}\t$dst",
> -               [(set GR16:$dst, (add GR16:$src, 1)),
> -                (implicit EFLAGS)]>,
> +               [(set GR16:$dst, (add GR16:$src, 1))]>,
>              OpSize, Requires<[In32BitMode]>;
> def INC32r : I<0x40, AddRegFrm, (outs GR32:$dst), (ins GR32:$src),  
> "inc{l}\t$dst",
> -               [(set GR32:$dst, (add GR32:$src, 1)),
> -                (implicit EFLAGS)]>, Requires<[In32BitMode]>;
> +               [(set GR32:$dst, (add GR32:$src, 1))]>,  
> Requires<[In32BitMode]>;
> }
> let isTwoAddress = 0, CodeSize = 2 in {
>   def INC8m  : I<0xFE, MRM0m, (outs), (ins i8mem :$dst), "inc{b}\t 
> $dst",
> -               [(store (add (loadi8 addr:$dst), 1), addr:$dst),
> -                (implicit EFLAGS)]>;
> +               [(store (add (loadi8 addr:$dst), 1), addr:$dst)]>;
>   def INC16m : I<0xFF, MRM0m, (outs), (ins i16mem:$dst), "inc{w}\t 
> $dst",
> -               [(store (add (loadi16 addr:$dst), 1), addr:$dst),
> -                (implicit EFLAGS)]>,
> +               [(store (add (loadi16 addr:$dst), 1), addr:$dst)]>,
>                OpSize, Requires<[In32BitMode]>;
>   def INC32m : I<0xFF, MRM0m, (outs), (ins i32mem:$dst), "inc{l}\t 
> $dst",
> -               [(store (add (loadi32 addr:$dst), 1), addr:$dst),
> -                (implicit EFLAGS)]>,
> +               [(store (add (loadi32 addr:$dst), 1), addr:$dst)]>,
>                Requires<[In32BitMode]>;
> }
>
> let CodeSize = 2 in
> def DEC8r  : I<0xFE, MRM1r, (outs GR8 :$dst), (ins GR8 :$src),  
> "dec{b}\t$dst",
> -               [(set GR8:$dst, (add GR8:$src, -1)),
> -                (implicit EFLAGS)]>;
> +               [(set GR8:$dst, (add GR8:$src, -1))]>;
> let isConvertibleToThreeAddress = 1, CodeSize = 1 in {   // Can  
> xform into LEA.
> def DEC16r : I<0x48, AddRegFrm, (outs GR16:$dst), (ins GR16:$src),  
> "dec{w}\t$dst",
> -               [(set GR16:$dst, (add GR16:$src, -1)),
> -                (implicit EFLAGS)]>,
> +               [(set GR16:$dst, (add GR16:$src, -1))]>,
>              OpSize, Requires<[In32BitMode]>;
> def DEC32r : I<0x48, AddRegFrm, (outs GR32:$dst), (ins GR32:$src),  
> "dec{l}\t$dst",
> -               [(set GR32:$dst, (add GR32:$src, -1)),
> -                (implicit EFLAGS)]>, Requires<[In32BitMode]>;
> +               [(set GR32:$dst, (add GR32:$src, -1))]>,  
> Requires<[In32BitMode]>;
> }
>
> let isTwoAddress = 0, CodeSize = 2 in {
>   def DEC8m  : I<0xFE, MRM1m, (outs), (ins i8mem :$dst), "dec{b}\t 
> $dst",
> -               [(store (add (loadi8 addr:$dst), -1), addr:$dst),
> -                (implicit EFLAGS)]>;
> +               [(store (add (loadi8 addr:$dst), -1), addr:$dst)]>;
>   def DEC16m : I<0xFF, MRM1m, (outs), (ins i16mem:$dst), "dec{w}\t 
> $dst",
> -               [(store (add (loadi16 addr:$dst), -1), addr:$dst),
> -                (implicit EFLAGS)]>,
> +               [(store (add (loadi16 addr:$dst), -1), addr:$dst)]>,
>                OpSize, Requires<[In32BitMode]>;
>   def DEC32m : I<0xFF, MRM1m, (outs), (ins i32mem:$dst), "dec{l}\t 
> $dst",
> -               [(store (add (loadi32 addr:$dst), -1), addr:$dst),
> -                (implicit EFLAGS)]>,
> +               [(store (add (loadi32 addr:$dst), -1), addr:$dst)]>,
>                Requires<[In32BitMode]>;
> }
> } // Defs = [EFLAGS]
> @@ -1338,193 +1317,155 @@
> def AND8rr   : I<0x20, MRMDestReg,
>                 (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
>                 "and{b}\t{$src2, $dst|$dst, $src2}",
> -                [(set GR8:$dst, (and GR8:$src1, GR8:$src2)),
> -                 (implicit EFLAGS)]>;
> +                [(set GR8:$dst, (and GR8:$src1, GR8:$src2))]>;
> def AND16rr  : I<0x21, MRMDestReg,
>                  (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
>                  "and{w}\t{$src2, $dst|$dst, $src2}",
> -                 [(set GR16:$dst, (and GR16:$src1, GR16:$src2)),
> -                  (implicit EFLAGS)]>, OpSize;
> +                 [(set GR16:$dst, (and GR16:$src1, GR16:$src2))]>,  
> OpSize;
> def AND32rr  : I<0x21, MRMDestReg,
>                  (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
>                  "and{l}\t{$src2, $dst|$dst, $src2}",
> -                 [(set GR32:$dst, (and GR32:$src1, GR32:$src2)),
> -                  (implicit EFLAGS)]>;
> +                 [(set GR32:$dst, (and GR32:$src1, GR32:$src2))]>;
> }
>
> def AND8rm   : I<0x22, MRMSrcMem,
>                  (outs GR8 :$dst), (ins GR8 :$src1, i8mem :$src2),
>                  "and{b}\t{$src2, $dst|$dst, $src2}",
> -                [(set GR8:$dst, (and GR8:$src1, (load addr:$src2))),
> -                 (implicit EFLAGS)]>;
> +                [(set GR8:$dst, (and GR8:$src1, (load addr: 
> $src2)))]>;
> def AND16rm  : I<0x23, MRMSrcMem,
>                  (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
>                  "and{w}\t{$src2, $dst|$dst, $src2}",
> -                [(set GR16:$dst, (and GR16:$src1, (load addr: 
> $src2))),
> -                 (implicit EFLAGS)]>, OpSize;
> +                [(set GR16:$dst, (and GR16:$src1, (load addr: 
> $src2)))]>, OpSize;
> def AND32rm  : I<0x23, MRMSrcMem,
>                  (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
>                  "and{l}\t{$src2, $dst|$dst, $src2}",
> -                [(set GR32:$dst, (and GR32:$src1, (load addr: 
> $src2))),
> -                 (implicit EFLAGS)]>;
> +                [(set GR32:$dst, (and GR32:$src1, (load addr: 
> $src2)))]>;
>
> def AND8ri   : Ii8<0x80, MRM4r,
>                    (outs GR8 :$dst), (ins GR8 :$src1, i8imm :$src2),
>                    "and{b}\t{$src2, $dst|$dst, $src2}",
> -                   [(set GR8:$dst, (and GR8:$src1, imm:$src2)),
> -                    (implicit EFLAGS)]>;
> +                   [(set GR8:$dst, (and GR8:$src1, imm:$src2))]>;
> def AND16ri  : Ii16<0x81, MRM4r,
>                     (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
>                     "and{w}\t{$src2, $dst|$dst, $src2}",
> -                    [(set GR16:$dst, (and GR16:$src1, imm:$src2)),
> -                     (implicit EFLAGS)]>, OpSize;
> +                    [(set GR16:$dst, (and GR16:$src1, imm: 
> $src2))]>, OpSize;
> def AND32ri  : Ii32<0x81, MRM4r,
>                     (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
>                     "and{l}\t{$src2, $dst|$dst, $src2}",
> -                    [(set GR32:$dst, (and GR32:$src1, imm:$src2)),
> -                     (implicit EFLAGS)]>;
> +                    [(set GR32:$dst, (and GR32:$src1, imm:$src2))]>;
> def AND16ri8 : Ii8<0x83, MRM4r,
>                    (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
>                    "and{w}\t{$src2, $dst|$dst, $src2}",
> -                   [(set GR16:$dst, (and GR16:$src1,  
> i16immSExt8:$src2)),
> -                    (implicit EFLAGS)]>,
> +                   [(set GR16:$dst, (and GR16:$src1,  
> i16immSExt8:$src2))]>,
>                    OpSize;
> def AND32ri8 : Ii8<0x83, MRM4r,
>                    (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
>                    "and{l}\t{$src2, $dst|$dst, $src2}",
> -                   [(set GR32:$dst, (and GR32:$src1,  
> i32immSExt8:$src2)),
> -                    (implicit EFLAGS)]>;
> +                   [(set GR32:$dst, (and GR32:$src1,  
> i32immSExt8:$src2))]>;
>
> let isTwoAddress = 0 in {
>   def AND8mr   : I<0x20, MRMDestMem,
>                    (outs), (ins i8mem :$dst, GR8 :$src),
>                    "and{b}\t{$src, $dst|$dst, $src}",
> -                   [(store (and (load addr:$dst), GR8:$src), addr: 
> $dst),
> -                    (implicit EFLAGS)]>;
> +                   [(store (and (load addr:$dst), GR8:$src), addr: 
> $dst)]>;
>   def AND16mr  : I<0x21, MRMDestMem,
>                    (outs), (ins i16mem:$dst, GR16:$src),
>                    "and{w}\t{$src, $dst|$dst, $src}",
> -                   [(store (and (load addr:$dst), GR16:$src), addr: 
> $dst),
> -                    (implicit EFLAGS)]>,
> +                   [(store (and (load addr:$dst), GR16:$src), addr: 
> $dst)]>,
>                    OpSize;
>   def AND32mr  : I<0x21, MRMDestMem,
>                    (outs), (ins i32mem:$dst, GR32:$src),
>                    "and{l}\t{$src, $dst|$dst, $src}",
> -                   [(store (and (load addr:$dst), GR32:$src), addr: 
> $dst),
> -                    (implicit EFLAGS)]>;
> +                   [(store (and (load addr:$dst), GR32:$src), addr: 
> $dst)]>;
>   def AND8mi   : Ii8<0x80, MRM4m,
>                      (outs), (ins i8mem :$dst, i8imm :$src),
>                      "and{b}\t{$src, $dst|$dst, $src}",
> -                      [(store (and (loadi8 addr:$dst), imm:$src),  
> addr:$dst),
> -                       (implicit EFLAGS)]>;
> +                      [(store (and (loadi8 addr:$dst), imm:$src),  
> addr:$dst)]>;
>   def AND16mi  : Ii16<0x81, MRM4m,
>                       (outs), (ins i16mem:$dst, i16imm:$src),
>                       "and{w}\t{$src, $dst|$dst, $src}",
> -                      [(store (and (loadi16 addr:$dst), imm:$src),  
> addr:$dst),
> -                       (implicit EFLAGS)]>,
> +                      [(store (and (loadi16 addr:$dst), imm:$src),  
> addr:$dst)]>,
>                       OpSize;
>   def AND32mi  : Ii32<0x81, MRM4m,
>                       (outs), (ins i32mem:$dst, i32imm:$src),
>                       "and{l}\t{$src, $dst|$dst, $src}",
> -                      [(store (and (loadi32 addr:$dst), imm:$src),  
> addr:$dst),
> -                       (implicit EFLAGS)]>;
> +                      [(store (and (loadi32 addr:$dst), imm:$src),  
> addr:$dst)]>;
>   def AND16mi8 : Ii8<0x83, MRM4m,
>                      (outs), (ins i16mem:$dst, i16i8imm :$src),
>                      "and{w}\t{$src, $dst|$dst, $src}",
> -                [(store (and (load addr:$dst), i16immSExt8:$src),  
> addr:$dst),
> -                 (implicit EFLAGS)]>,
> +                [(store (and (load addr:$dst), i16immSExt8:$src),  
> addr:$dst)]>,
>                      OpSize;
>   def AND32mi8 : Ii8<0x83, MRM4m,
>                      (outs), (ins i32mem:$dst, i32i8imm :$src),
>                      "and{l}\t{$src, $dst|$dst, $src}",
> -                [(store (and (load addr:$dst), i32immSExt8:$src),  
> addr:$dst),
> -                 (implicit EFLAGS)]>;
> +                [(store (and (load addr:$dst), i32immSExt8:$src),  
> addr:$dst)]>;
> }
>
>
> let isCommutable = 1 in {   // X = OR Y, Z   --> X = OR Z, Y
> def OR8rr    : I<0x08, MRMDestReg, (outs GR8 :$dst), (ins GR8 : 
> $src1, GR8 :$src2),
>                  "or{b}\t{$src2, $dst|$dst, $src2}",
> -                 [(set GR8:$dst, (or GR8:$src1, GR8:$src2)),
> -                  (implicit EFLAGS)]>;
> +                 [(set GR8:$dst, (or GR8:$src1, GR8:$src2))]>;
> def OR16rr   : I<0x09, MRMDestReg, (outs GR16:$dst), (ins  
> GR16:$src1, GR16:$src2),
>                  "or{w}\t{$src2, $dst|$dst, $src2}",
> -                 [(set GR16:$dst, (or GR16:$src1, GR16:$src2)),
> -                  (implicit EFLAGS)]>, OpSize;
> +                 [(set GR16:$dst, (or GR16:$src1, GR16:$src2))]>,  
> OpSize;
> def OR32rr   : I<0x09, MRMDestReg, (outs GR32:$dst), (ins  
> GR32:$src1, GR32:$src2),
>                  "or{l}\t{$src2, $dst|$dst, $src2}",
> -                 [(set GR32:$dst, (or GR32:$src1, GR32:$src2)),
> -                  (implicit EFLAGS)]>;
> +                 [(set GR32:$dst, (or GR32:$src1, GR32:$src2))]>;
> }
> def OR8rm    : I<0x0A, MRMSrcMem , (outs GR8 :$dst), (ins GR8 : 
> $src1, i8mem :$src2),
>                  "or{b}\t{$src2, $dst|$dst, $src2}",
> -                [(set GR8:$dst, (or GR8:$src1, (load addr:$src2))),
> -                 (implicit EFLAGS)]>;
> +                [(set GR8:$dst, (or GR8:$src1, (load addr:$src2)))]>;
> def OR16rm   : I<0x0B, MRMSrcMem , (outs GR16:$dst), (ins  
> GR16:$src1, i16mem:$src2),
>                  "or{w}\t{$src2, $dst|$dst, $src2}",
> -                [(set GR16:$dst, (or GR16:$src1, (load addr:$src2))),
> -                 (implicit EFLAGS)]>, OpSize;
> +                [(set GR16:$dst, (or GR16:$src1, (load addr: 
> $src2)))]>, OpSize;
> def OR32rm   : I<0x0B, MRMSrcMem , (outs GR32:$dst), (ins  
> GR32:$src1, i32mem:$src2),
>                  "or{l}\t{$src2, $dst|$dst, $src2}",
> -                [(set GR32:$dst, (or GR32:$src1, (load addr:$src2))),
> -                 (implicit EFLAGS)]>;
> +                [(set GR32:$dst, (or GR32:$src1, (load addr: 
> $src2)))]>;
>
> def OR8ri    : Ii8 <0x80, MRM1r, (outs GR8 :$dst), (ins GR8 :$src1,  
> i8imm:$src2),
>                     "or{b}\t{$src2, $dst|$dst, $src2}",
> -                    [(set GR8:$dst, (or GR8:$src1, imm:$src2)),
> -                     (implicit EFLAGS)]>;
> +                    [(set GR8:$dst, (or GR8:$src1, imm:$src2))]>;
> def OR16ri   : Ii16<0x81, MRM1r, (outs GR16:$dst), (ins GR16:$src1,  
> i16imm:$src2),
>                     "or{w}\t{$src2, $dst|$dst, $src2}",
> -                    [(set GR16:$dst, (or GR16:$src1, imm:$src2)),
> -                     (implicit EFLAGS)]>, OpSize;
> +                    [(set GR16:$dst, (or GR16:$src1, imm:$src2))]>,  
> OpSize;
> def OR32ri   : Ii32<0x81, MRM1r, (outs GR32:$dst), (ins GR32:$src1,  
> i32imm:$src2),
>                     "or{l}\t{$src2, $dst|$dst, $src2}",
> -                    [(set GR32:$dst, (or GR32:$src1, imm:$src2)),
> -                     (implicit EFLAGS)]>;
> +                    [(set GR32:$dst, (or GR32:$src1, imm:$src2))]>;
>
> def OR16ri8  : Ii8<0x83, MRM1r, (outs GR16:$dst), (ins GR16:$src1,  
> i16i8imm:$src2),
>                    "or{w}\t{$src2, $dst|$dst, $src2}",
> -                   [(set GR16:$dst, (or GR16:$src1,  
> i16immSExt8:$src2)),
> -                    (implicit EFLAGS)]>, OpSize;
> +                   [(set GR16:$dst, (or GR16:$src1,  
> i16immSExt8:$src2))]>, OpSize;
> def OR32ri8  : Ii8<0x83, MRM1r, (outs GR32:$dst), (ins GR32:$src1,  
> i32i8imm:$src2),
>                    "or{l}\t{$src2, $dst|$dst, $src2}",
> -                   [(set GR32:$dst, (or GR32:$src1,  
> i32immSExt8:$src2)),
> -                    (implicit EFLAGS)]>;
> +                   [(set GR32:$dst, (or GR32:$src1,  
> i32immSExt8:$src2))]>;
> let isTwoAddress = 0 in {
>   def OR8mr  : I<0x08, MRMDestMem, (outs), (ins i8mem:$dst, GR8:$src),
>                  "or{b}\t{$src, $dst|$dst, $src}",
> -                 [(store (or (load addr:$dst), GR8:$src), addr:$dst),
> -                  (implicit EFLAGS)]>;
> +                 [(store (or (load addr:$dst), GR8:$src), addr: 
> $dst)]>;
>   def OR16mr : I<0x09, MRMDestMem, (outs), (ins i16mem:$dst,  
> GR16:$src),
>                  "or{w}\t{$src, $dst|$dst, $src}",
> -                 [(store (or (load addr:$dst), GR16:$src), addr: 
> $dst),
> -                  (implicit EFLAGS)]>, OpSize;
> +                 [(store (or (load addr:$dst), GR16:$src), addr: 
> $dst)]>, OpSize;
>   def OR32mr : I<0x09, MRMDestMem, (outs), (ins i32mem:$dst,  
> GR32:$src),
>                  "or{l}\t{$src, $dst|$dst, $src}",
> -                 [(store (or (load addr:$dst), GR32:$src), addr: 
> $dst),
> -                  (implicit EFLAGS)]>;
> +                 [(store (or (load addr:$dst), GR32:$src), addr: 
> $dst)]>;
>   def OR8mi    : Ii8<0x80, MRM1m, (outs), (ins i8mem :$dst, i8imm: 
> $src),
>                  "or{b}\t{$src, $dst|$dst, $src}",
> -                 [(store (or (loadi8 addr:$dst), imm:$src), addr: 
> $dst),
> -                  (implicit EFLAGS)]>;
> +                 [(store (or (loadi8 addr:$dst), imm:$src), addr: 
> $dst)]>;
>   def OR16mi   : Ii16<0x81, MRM1m, (outs), (ins i16mem:$dst, i16imm: 
> $src),
>                  "or{w}\t{$src, $dst|$dst, $src}",
> -                 [(store (or (loadi16 addr:$dst), imm:$src), addr: 
> $dst),
> -                  (implicit EFLAGS)]>,
> +                 [(store (or (loadi16 addr:$dst), imm:$src), addr: 
> $dst)]>,
>                  OpSize;
>   def OR32mi   : Ii32<0x81, MRM1m, (outs), (ins i32mem:$dst, i32imm: 
> $src),
>                  "or{l}\t{$src, $dst|$dst, $src}",
> -                 [(store (or (loadi32 addr:$dst), imm:$src), addr: 
> $dst),
> -                  (implicit EFLAGS)]>;
> +                 [(store (or (loadi32 addr:$dst), imm:$src), addr: 
> $dst)]>;
>   def OR16mi8  : Ii8<0x83, MRM1m, (outs), (ins i16mem:$dst, i16i8imm: 
> $src),
>                  "or{w}\t{$src, $dst|$dst, $src}",
> -                 [(store (or (load addr:$dst), i16immSExt8:$src),  
> addr:$dst),
> -                  (implicit EFLAGS)]>,
> +                 [(store (or (load addr:$dst), i16immSExt8:$src),  
> addr:$dst)]>,
>                      OpSize;
>   def OR32mi8  : Ii8<0x83, MRM1m, (outs), (ins i32mem:$dst, i32i8imm: 
> $src),
>                  "or{l}\t{$src, $dst|$dst, $src}",
> -                 [(store (or (load addr:$dst), i32immSExt8:$src),  
> addr:$dst),
> -                  (implicit EFLAGS)]>;
> +                 [(store (or (load addr:$dst), i32immSExt8:$src),  
> addr:$dst)]>;
> } // isTwoAddress = 0
>
>
> @@ -1532,108 +1473,89 @@
>   def XOR8rr   : I<0x30, MRMDestReg,
>                    (outs GR8 :$dst), (ins GR8 :$src1, GR8 :$src2),
>                    "xor{b}\t{$src2, $dst|$dst, $src2}",
> -                   [(set GR8:$dst, (xor GR8:$src1, GR8:$src2)),
> -                    (implicit EFLAGS)]>;
> +                   [(set GR8:$dst, (xor GR8:$src1, GR8:$src2))]>;
>   def XOR16rr  : I<0x31, MRMDestReg,
>                    (outs GR16:$dst), (ins GR16:$src1, GR16:$src2),
>                    "xor{w}\t{$src2, $dst|$dst, $src2}",
> -                   [(set GR16:$dst, (xor GR16:$src1, GR16:$src2)),
> -                    (implicit EFLAGS)]>, OpSize;
> +                   [(set GR16:$dst, (xor GR16:$src1,  
> GR16:$src2))]>, OpSize;
>   def XOR32rr  : I<0x31, MRMDestReg,
>                    (outs GR32:$dst), (ins GR32:$src1, GR32:$src2),
>                    "xor{l}\t{$src2, $dst|$dst, $src2}",
> -                   [(set GR32:$dst, (xor GR32:$src1, GR32:$src2)),
> -                    (implicit EFLAGS)]>;
> +                   [(set GR32:$dst, (xor GR32:$src1, GR32:$src2))]>;
> } // isCommutable = 1
>
> def XOR8rm   : I<0x32, MRMSrcMem ,
>                  (outs GR8 :$dst), (ins GR8:$src1, i8mem :$src2),
>                  "xor{b}\t{$src2, $dst|$dst, $src2}",
> -                 [(set GR8:$dst, (xor GR8:$src1, (load addr:$src2))),
> -                  (implicit EFLAGS)]>;
> +                 [(set GR8:$dst, (xor GR8:$src1, (load addr: 
> $src2)))]>;
> def XOR16rm  : I<0x33, MRMSrcMem ,
>                  (outs GR16:$dst), (ins GR16:$src1, i16mem:$src2),
>                  "xor{w}\t{$src2, $dst|$dst, $src2}",
> -                 [(set GR16:$dst, (xor GR16:$src1, (load addr: 
> $src2))),
> -                  (implicit EFLAGS)]>,
> +                 [(set GR16:$dst, (xor GR16:$src1, (load addr: 
> $src2)))]>,
>                  OpSize;
> def XOR32rm  : I<0x33, MRMSrcMem ,
>                  (outs GR32:$dst), (ins GR32:$src1, i32mem:$src2),
>                  "xor{l}\t{$src2, $dst|$dst, $src2}",
> -                 [(set GR32:$dst, (xor GR32:$src1, (load addr: 
> $src2))),
> -                  (implicit EFLAGS)]>;
> +                 [(set GR32:$dst, (xor GR32:$src1, (load addr: 
> $src2)))]>;
>
> def XOR8ri   : Ii8<0x80, MRM6r,
>                    (outs GR8:$dst), (ins GR8:$src1, i8imm:$src2),
>                    "xor{b}\t{$src2, $dst|$dst, $src2}",
> -                   [(set GR8:$dst, (xor GR8:$src1, imm:$src2)),
> -                    (implicit EFLAGS)]>;
> +                   [(set GR8:$dst, (xor GR8:$src1, imm:$src2))]>;
> def XOR16ri  : Ii16<0x81, MRM6r,
>                     (outs GR16:$dst), (ins GR16:$src1, i16imm:$src2),
>                     "xor{w}\t{$src2, $dst|$dst, $src2}",
> -                    [(set GR16:$dst, (xor GR16:$src1, imm:$src2)),
> -                     (implicit EFLAGS)]>, OpSize;
> +                    [(set GR16:$dst, (xor GR16:$src1, imm: 
> $src2))]>, OpSize;
> def XOR32ri  : Ii32<0x81, MRM6r,
>                     (outs GR32:$dst), (ins GR32:$src1, i32imm:$src2),
>                     "xor{l}\t{$src2, $dst|$dst, $src2}",
> -                    [(set GR32:$dst, (xor GR32:$src1, imm:$src2)),
> -                     (implicit EFLAGS)]>;
> +                    [(set GR32:$dst, (xor GR32:$src1, imm:$src2))]>;
> def XOR16ri8 : Ii8<0x83, MRM6r,
>                    (outs GR16:$dst), (ins GR16:$src1, i16i8imm:$src2),
>                    "xor{w}\t{$src2, $dst|$dst, $src2}",
> -                   [(set GR16:$dst, (xor GR16:$src1,  
> i16immSExt8:$src2)),
> -                    (implicit EFLAGS)]>,
> +                   [(set GR16:$dst, (xor GR16:$src1,  
> i16immSExt8:$src2))]>,
>                    OpSize;
> def XOR32ri8 : Ii8<0x83, MRM6r,
>                    (outs GR32:$dst), (ins GR32:$src1, i32i8imm:$src2),
>                    "xor{l}\t{$src2, $dst|$dst, $src2}",
> -                   [(set GR32:$dst, (xor GR32:$src1,  
> i32immSExt8:$src2)),
> -                    (implicit EFLAGS)]>;
> +                   [(set GR32:$dst, (xor GR32:$src1,  
> i32immSExt8:$src2))]>;
>
> let isTwoAddress = 0 in {
>   def XOR8mr   : I<0x30, MRMDestMem,
>                    (outs), (ins i8mem :$dst, GR8 :$src),
>                    "xor{b}\t{$src, $dst|$dst, $src}",
> -                   [(store (xor (load addr:$dst), GR8:$src), addr: 
> $dst),
> -                    (implicit EFLAGS)]>;
> +                   [(store (xor (load addr:$dst), GR8:$src), addr: 
> $dst)]>;
>   def XOR16mr  : I<0x31, MRMDestMem,
>                    (outs), (ins i16mem:$dst, GR16:$src),
>                    "xor{w}\t{$src, $dst|$dst, $src}",
> -                   [(store (xor (load addr:$dst), GR16:$src), addr: 
> $dst),
> -                    (implicit EFLAGS)]>,
> +                   [(store (xor (load addr:$dst), GR16:$src), addr: 
> $dst)]>,
>                    OpSize;
>   def XOR32mr  : I<0x31, MRMDestMem,
>                    (outs), (ins i32mem:$dst, GR32:$src),
>                    "xor{l}\t{$src, $dst|$dst, $src}",
> -                   [(store (xor (load addr:$dst), GR32:$src), addr: 
> $dst),
> -                    (implicit EFLAGS)]>;
> +                   [(store (xor (load addr:$dst), GR32:$src), addr: 
> $dst)]>;
>   def XOR8mi   : Ii8<0x80, MRM6m,
>                      (outs), (ins i8mem :$dst, i8imm :$src),
>                      "xor{b}\t{$src, $dst|$dst, $src}",
> -                    [(store (xor (loadi8 addr:$dst), imm:$src),  
> addr:$dst),
> -                     (implicit EFLAGS)]>;
> +                    [(store (xor (loadi8 addr:$dst), imm:$src),  
> addr:$dst)]>;
>   def XOR16mi  : Ii16<0x81, MRM6m,
>                       (outs), (ins i16mem:$dst, i16imm:$src),
>                       "xor{w}\t{$src, $dst|$dst, $src}",
> -                   [(store (xor (loadi16 addr:$dst), imm:$src),  
> addr:$dst),
> -                    (implicit EFLAGS)]>,
> +                   [(store (xor (loadi16 addr:$dst), imm:$src),  
> addr:$dst)]>,
>                       OpSize;
>   def XOR32mi  : Ii32<0x81, MRM6m,
>                       (outs), (ins i32mem:$dst, i32imm:$src),
>                       "xor{l}\t{$src, $dst|$dst, $src}",
> -                   [(store (xor (loadi32 addr:$dst), imm:$src),  
> addr:$dst),
> -                    (implicit EFLAGS)]>;
> +                   [(store (xor (loadi32 addr:$dst), imm:$src),  
> addr:$dst)]>;
>   def XOR16mi8 : Ii8<0x83, MRM6m,
>                      (outs), (ins i16mem:$dst, i16i8imm :$src),
>                      "xor{w}\t{$src, $dst|$dst, $src}",
> -                 [(store (xor (load addr:$dst), i16immSExt8:$src),  
> addr:$dst),
> -                  (implicit EFLAGS)]>,
> +                 [(store (xor (load addr:$dst), i16immSExt8:$src),  
> addr:$dst)]>,
>                      OpSize;
>   def XOR32mi8 : Ii8<0x83, MRM6m,
>                      (outs), (ins i32mem:$dst, i32i8imm :$src),
>                      "xor{l}\t{$src, $dst|$dst, $src}",
> -                 [(store (xor (load addr:$dst), i32immSExt8:$src),  
> addr:$dst),
> -                  (implicit EFLAGS)]>;
> +                 [(store (xor (load addr:$dst), i32immSExt8:$src),  
> addr:$dst)]>;
> } // isTwoAddress = 0
> } // Defs = [EFLAGS]
>
> @@ -3491,251 +3413,217 @@
>           (SHLD16mri8 addr:$dst, GR16:$src2, (i8 imm:$amt1))>;
>
> // 
> = 
> = 
> = 
> ----------------------------------------------------------------------= 
> ==//
> -// EFLAGS-defining Patterns
> +// Overflow Patterns
> // 
> = 
> = 
> = 
> ----------------------------------------------------------------------= 
> ==//
>
> -// Register-Register Addition with EFLAGS result
> -def : Pat<(parallel (X86add_flag GR8:$src1, GR8:$src2),
> +// Register-Register Addition with Overflow
> +def : Pat<(parallel (X86add_ovf GR8:$src1, GR8:$src2),
>                     (implicit EFLAGS)),
>           (ADD8rr GR8:$src1, GR8:$src2)>;
>
> -// Register-Register Addition with EFLAGS result
> -def : Pat<(parallel (X86add_flag GR16:$src1, GR16:$src2),
> +// Register-Register Addition with Overflow
> +def : Pat<(parallel (X86add_ovf GR16:$src1, GR16:$src2),
>                     (implicit EFLAGS)),
>           (ADD16rr GR16:$src1, GR16:$src2)>;
> -def : Pat<(parallel (X86add_flag GR32:$src1, GR32:$src2),
> +def : Pat<(parallel (X86add_ovf GR32:$src1, GR32:$src2),
>                     (implicit EFLAGS)),
>           (ADD32rr GR32:$src1, GR32:$src2)>;
>
> -// Register-Memory Addition with EFLAGS result
> -def : Pat<(parallel (X86add_flag GR8:$src1, (loadi8 addr:$src2)),
> +// Register-Memory Addition with Overflow
> +def : Pat<(parallel (X86add_ovf GR8:$src1, (load addr:$src2)),
>                     (implicit EFLAGS)),
>           (ADD8rm GR8:$src1, addr:$src2)>;
> -def : Pat<(parallel (X86add_flag GR16:$src1, (loadi16 addr:$src2)),
> +def : Pat<(parallel (X86add_ovf GR16:$src1, (load addr:$src2)),
>                     (implicit EFLAGS)),
>           (ADD16rm GR16:$src1, addr:$src2)>;
> -def : Pat<(parallel (X86add_flag GR32:$src1, (loadi32 addr:$src2)),
> +def : Pat<(parallel (X86add_ovf GR32:$src1, (load addr:$src2)),
>                     (implicit EFLAGS)),
>           (ADD32rm GR32:$src1, addr:$src2)>;
>
> -// Register-Integer Addition with EFLAGS result
> -def : Pat<(parallel (X86add_flag GR8:$src1, imm:$src2),
> +// Register-Integer Addition with Overflow
> +def : Pat<(parallel (X86add_ovf GR8:$src1, imm:$src2),
>                     (implicit EFLAGS)),
>           (ADD8ri GR8:$src1, imm:$src2)>;
>
> -// Register-Integer Addition with EFLAGS result
> -def : Pat<(parallel (X86add_flag GR16:$src1, imm:$src2),
> +// Register-Integer Addition with Overflow
> +def : Pat<(parallel (X86add_ovf GR16:$src1, imm:$src2),
>                     (implicit EFLAGS)),
>           (ADD16ri GR16:$src1, imm:$src2)>;
> -def : Pat<(parallel (X86add_flag GR32:$src1, imm:$src2),
> +def : Pat<(parallel (X86add_ovf GR32:$src1, imm:$src2),
>                     (implicit EFLAGS)),
>           (ADD32ri GR32:$src1, imm:$src2)>;
> -def : Pat<(parallel (X86add_flag GR16:$src1, i16immSExt8:$src2),
> +def : Pat<(parallel (X86add_ovf GR16:$src1, i16immSExt8:$src2),
>                     (implicit EFLAGS)),
>           (ADD16ri8 GR16:$src1, i16immSExt8:$src2)>;
> -def : Pat<(parallel (X86add_flag GR32:$src1, i32immSExt8:$src2),
> +def : Pat<(parallel (X86add_ovf GR32:$src1, i32immSExt8:$src2),
>                     (implicit EFLAGS)),
>           (ADD32ri8 GR32:$src1, i32immSExt8:$src2)>;
>
> -// Memory-Register Addition with EFLAGS result
> -def : Pat<(parallel (store (X86add_flag (loadi8 addr:$dst),  
> GR8:$src2),
> +// Memory-Register Addition with Overflow
> +def : Pat<(parallel (store (X86add_ovf (load addr:$dst), GR8:$src2),
>                            addr:$dst),
>                     (implicit EFLAGS)),
>           (ADD8mr addr:$dst, GR8:$src2)>;
> -def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst),  
> GR16:$src2),
> +def : Pat<(parallel (store (X86add_ovf (load addr:$dst), GR16:$src2),
>                            addr:$dst),
>                     (implicit EFLAGS)),
>           (ADD16mr addr:$dst, GR16:$src2)>;
> -def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst),  
> GR32:$src2),
> +def : Pat<(parallel (store (X86add_ovf (load addr:$dst), GR32:$src2),
>                            addr:$dst),
>                     (implicit EFLAGS)),
>           (ADD32mr addr:$dst, GR32:$src2)>;
> -def : Pat<(parallel (store (X86add_flag (loadi8 addr:$dst), imm: 
> $src2),
> +def : Pat<(parallel (store (X86add_ovf (loadi8 addr:$dst), imm: 
> $src2),
>                            addr:$dst),
>                     (implicit EFLAGS)),
>           (ADD8mi addr:$dst, imm:$src2)>;
> -def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst), imm: 
> $src2),
> +def : Pat<(parallel (store (X86add_ovf (loadi16 addr:$dst), imm: 
> $src2),
>                            addr:$dst),
>                     (implicit EFLAGS)),
>           (ADD16mi addr:$dst, imm:$src2)>;
> -def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst), imm: 
> $src2),
> +def : Pat<(parallel (store (X86add_ovf (loadi32 addr:$dst), imm: 
> $src2),
>                            addr:$dst),
>                     (implicit EFLAGS)),
>           (ADD32mi addr:$dst, imm:$src2)>;
> -def : Pat<(parallel (store (X86add_flag (loadi16 addr:$dst),  
> i16immSExt8:$src2),
> +def : Pat<(parallel (store (X86add_ovf (load addr:$dst),  
> i16immSExt8:$src2),
>                            addr:$dst),
>                     (implicit EFLAGS)),
>           (ADD16mi8 addr:$dst, i16immSExt8:$src2)>;
> -def : Pat<(parallel (store (X86add_flag (loadi32 addr:$dst),  
> i32immSExt8:$src2),
> +def : Pat<(parallel (store (X86add_ovf (load addr:$dst),  
> i32immSExt8:$src2),
>                            addr:$dst),
>                     (implicit EFLAGS)),
>           (ADD32mi8 addr:$dst, i32immSExt8:$src2)>;
>
> -// Register-Register Subtraction with EFLAGS result
> -def : Pat<(parallel (X86sub_flag GR8:$src1, GR8:$src2),
> +// Register-Register Subtraction with Overflow
> +def : Pat<(parallel (X86sub_ovf GR8:$src1, GR8:$src2),
>                     (implicit EFLAGS)),
>           (SUB8rr GR8:$src1, GR8:$src2)>;
> -def : Pat<(parallel (X86sub_flag GR16:$src1, GR16:$src2),
> +def : Pat<(parallel (X86sub_ovf GR16:$src1, GR16:$src2),
>                     (implicit EFLAGS)),
>           (SUB16rr GR16:$src1, GR16:$src2)>;
> -def : Pat<(parallel (X86sub_flag GR32:$src1, GR32:$src2),
> +def : Pat<(parallel (X86sub_ovf GR32:$src1, GR32:$src2),
>                     (implicit EFLAGS)),
>           (SUB32rr GR32:$src1, GR32:$src2)>;
>
> -// Register-Memory Subtraction with EFLAGS result
> -def : Pat<(parallel (X86sub_flag GR8:$src1, (loadi8 addr:$src2)),
> +// Register-Memory Subtraction with Overflow
> +def : Pat<(parallel (X86sub_ovf GR8:$src1, (load addr:$src2)),
>                     (implicit EFLAGS)),
>           (SUB8rm GR8:$src1, addr:$src2)>;
> -def : Pat<(parallel (X86sub_flag GR16:$src1, (loadi16 addr:$src2)),
> +def : Pat<(parallel (X86sub_ovf GR16:$src1, (load addr:$src2)),
>                     (implicit EFLAGS)),
>           (SUB16rm GR16:$src1, addr:$src2)>;
> -def : Pat<(parallel (X86sub_flag GR32:$src1, (loadi32 addr:$src2)),
> +def : Pat<(parallel (X86sub_ovf GR32:$src1, (load addr:$src2)),
>                     (implicit EFLAGS)),
>           (SUB32rm GR32:$src1, addr:$src2)>;
>
> -// Register-Integer Subtraction with EFLAGS result
> -def : Pat<(parallel (X86sub_flag GR8:$src1, imm:$src2),
> +// Register-Integer Subtraction with Overflow
> +def : Pat<(parallel (X86sub_ovf GR8:$src1, imm:$src2),
>                     (implicit EFLAGS)),
>           (SUB8ri GR8:$src1, imm:$src2)>;
> -def : Pat<(parallel (X86sub_flag GR16:$src1, imm:$src2),
> +def : Pat<(parallel (X86sub_ovf GR16:$src1, imm:$src2),
>                     (implicit EFLAGS)),
>           (SUB16ri GR16:$src1, imm:$src2)>;
> -def : Pat<(parallel (X86sub_flag GR32:$src1, imm:$src2),
> +def : Pat<(parallel (X86sub_ovf GR32:$src1, imm:$src2),
>                     (implicit EFLAGS)),
>           (SUB32ri GR32:$src1, imm:$src2)>;
> -def : Pat<(parallel (X86sub_flag GR16:$src1, i16immSExt8:$src2),
> +def : Pat<(parallel (X86sub_ovf GR16:$src1, i16immSExt8:$src2),
>                     (implicit EFLAGS)),
>           (SUB16ri8 GR16:$src1, i16immSExt8:$src2)>;
> -def : Pat<(parallel (X86sub_flag GR32:$src1, i32immSExt8:$src2),
> +def : Pat<(parallel (X86sub_ovf GR32:$src1, i32immSExt8:$src2),
>                     (implicit EFLAGS)),
>           (SUB32ri8 GR32:$src1, i32immSExt8:$src2)>;
>
> -// Memory-Register Subtraction with EFLAGS result
> -def : Pat<(parallel (store (X86sub_flag (loadi8 addr:$dst),  
> GR8:$src2),
> +// Memory-Register Subtraction with Overflow
> +def : Pat<(parallel (store (X86sub_ovf (load addr:$dst), GR8:$src2),
>                            addr:$dst),
>                     (implicit EFLAGS)),
>           (SUB8mr addr:$dst, GR8:$src2)>;
> -def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst),  
> GR16:$src2),
> +def : Pat<(parallel (store (X86sub_ovf (load addr:$dst), GR16:$src2),
>                            addr:$dst),
>                     (implicit EFLAGS)),
>           (SUB16mr addr:$dst, GR16:$src2)>;
> -def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst),  
> GR32:$src2),
> +def : Pat<(parallel (store (X86sub_ovf (load addr:$dst), GR32:$src2),
>                            addr:$dst),
>                     (implicit EFLAGS)),
>           (SUB32mr addr:$dst, GR32:$src2)>;
>
> -// Memory-Integer Subtraction with EFLAGS result
> -def : Pat<(parallel (store (X86sub_flag (loadi8 addr:$dst), imm: 
> $src2),
> +// Memory-Integer Subtraction with Overflow
> +def : Pat<(parallel (store (X86sub_ovf (loadi8 addr:$dst), imm: 
> $src2),
>                            addr:$dst),
>                     (implicit EFLAGS)),
>           (SUB8mi addr:$dst, imm:$src2)>;
> -def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst), imm: 
> $src2),
> +def : Pat<(parallel (store (X86sub_ovf (loadi16 addr:$dst), imm: 
> $src2),
>                            addr:$dst),
>                     (implicit EFLAGS)),
>           (SUB16mi addr:$dst, imm:$src2)>;
> -def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst), imm: 
> $src2),
> +def : Pat<(parallel (store (X86sub_ovf (loadi32 addr:$dst), imm: 
> $src2),
>                            addr:$dst),
>                     (implicit EFLAGS)),
>           (SUB32mi addr:$dst, imm:$src2)>;
> -def : Pat<(parallel (store (X86sub_flag (loadi16 addr:$dst),  
> i16immSExt8:$src2),
> +def : Pat<(parallel (store (X86sub_ovf (load addr:$dst),  
> i16immSExt8:$src2),
>                            addr:$dst),
>                     (implicit EFLAGS)),
>           (SUB16mi8 addr:$dst, i16immSExt8:$src2)>;
> -def : Pat<(parallel (store (X86sub_flag (loadi32 addr:$dst),  
> i32immSExt8:$src2),
> +def : Pat<(parallel (store (X86sub_ovf (load addr:$dst),  
> i32immSExt8:$src2),
>                            addr:$dst),
>                     (implicit EFLAGS)),
>           (SUB32mi8 addr:$dst, i32immSExt8:$src2)>;
>
>
> -// Register-Register Signed Integer Multiply with EFLAGS result
> -def : Pat<(parallel (X86smul_flag GR16:$src1, GR16:$src2),
> +// Register-Register Signed Integer Multiply with Overflow
> +def : Pat<(parallel (X86smul_ovf GR16:$src1, GR16:$src2),
>                     (implicit EFLAGS)),
>           (IMUL16rr GR16:$src1, GR16:$src2)>;
> -def : Pat<(parallel (X86smul_flag GR32:$src1, GR32:$src2),
> +def : Pat<(parallel (X86smul_ovf GR32:$src1, GR32:$src2),
>                     (implicit EFLAGS)),
>           (IMUL32rr GR32:$src1, GR32:$src2)>;
>
> -// Register-Memory Signed Integer Multiply with EFLAGS result
> -def : Pat<(parallel (X86smul_flag GR16:$src1, (loadi16 addr:$src2)),
> +// Register-Memory Signed Integer Multiply with Overflow
> +def : Pat<(parallel (X86smul_ovf GR16:$src1, (load addr:$src2)),
>                     (implicit EFLAGS)),
>           (IMUL16rm GR16:$src1, addr:$src2)>;
> -def : Pat<(parallel (X86smul_flag GR32:$src1, (loadi32 addr:$src2)),
> +def : Pat<(parallel (X86smul_ovf GR32:$src1, (load addr:$src2)),
>                     (implicit EFLAGS)),
>           (IMUL32rm GR32:$src1, addr:$src2)>;
>
> -// Register-Integer Signed Integer Multiply with EFLAGS result
> -def : Pat<(parallel (X86smul_flag GR16:$src1, imm:$src2),
> +// Register-Integer Signed Integer Multiply with Overflow
> +def : Pat<(parallel (X86smul_ovf GR16:$src1, imm:$src2),
>                     (implicit EFLAGS)),
>           (IMUL16rri GR16:$src1, imm:$src2)>;
> -def : Pat<(parallel (X86smul_flag GR32:$src1, imm:$src2),
> +def : Pat<(parallel (X86smul_ovf GR32:$src1, imm:$src2),
>                     (implicit EFLAGS)),
>           (IMUL32rri GR32:$src1, imm:$src2)>;
> -def : Pat<(parallel (X86smul_flag GR16:$src1, i16immSExt8:$src2),
> +def : Pat<(parallel (X86smul_ovf GR16:$src1, i16immSExt8:$src2),
>                     (implicit EFLAGS)),
>           (IMUL16rri8 GR16:$src1, i16immSExt8:$src2)>;
> -def : Pat<(parallel (X86smul_flag GR32:$src1, i32immSExt8:$src2),
> +def : Pat<(parallel (X86smul_ovf GR32:$src1, i32immSExt8:$src2),
>                     (implicit EFLAGS)),
>           (IMUL32rri8 GR32:$src1, i32immSExt8:$src2)>;
>
> -// Memory-Integer Signed Integer Multiply with EFLAGS result
> -def : Pat<(parallel (X86smul_flag (loadi16 addr:$src1), imm:$src2),
> +// Memory-Integer Signed Integer Multiply with Overflow
> +def : Pat<(parallel (X86smul_ovf (load addr:$src1), imm:$src2),
>                     (implicit EFLAGS)),
>           (IMUL16rmi addr:$src1, imm:$src2)>;
> -def : Pat<(parallel (X86smul_flag (loadi32 addr:$src1), imm:$src2),
> +def : Pat<(parallel (X86smul_ovf (load addr:$src1), imm:$src2),
>                     (implicit EFLAGS)),
>           (IMUL32rmi addr:$src1, imm:$src2)>;
> -def : Pat<(parallel (X86smul_flag (loadi16 addr:$src1),  
> i16immSExt8:$src2),
> +def : Pat<(parallel (X86smul_ovf (load addr:$src1),  
> i16immSExt8:$src2),
>                     (implicit EFLAGS)),
>           (IMUL16rmi8 addr:$src1, i16immSExt8:$src2)>;
> -def : Pat<(parallel (X86smul_flag (loadi32 addr:$src1),  
> i32immSExt8:$src2),
> +def : Pat<(parallel (X86smul_ovf (load addr:$src1),  
> i32immSExt8:$src2),
>                     (implicit EFLAGS)),
>           (IMUL32rmi8 addr:$src1, i32immSExt8:$src2)>;
>
> -// Optimize multiply by 2 with EFLAGS result.
> +// Optimize multiple with overflow by 2.
> let AddedComplexity = 2 in {
> -def : Pat<(parallel (X86smul_flag GR16:$src1, 2),
> +def : Pat<(parallel (X86smul_ovf GR16:$src1, 2),
>                     (implicit EFLAGS)),
>           (ADD16rr GR16:$src1, GR16:$src1)>;
>
> -def : Pat<(parallel (X86smul_flag GR32:$src1, 2),
> +def : Pat<(parallel (X86smul_ovf GR32:$src1, 2),
>                     (implicit EFLAGS)),
>           (ADD32rr GR32:$src1, GR32:$src1)>;
> }
>
> -// INC and DEC with EFLAGS result. Note that these do not set CF.
> -def : Pat<(parallel (X86inc_flag GR8:$src), (implicit EFLAGS)),
> -          (INC8r GR8:$src)>;
> -def : Pat<(parallel (store (i8 (X86inc_flag (loadi8 addr:$dst))),  
> addr:$dst),
> -                    (implicit EFLAGS)),
> -          (INC8m addr:$dst)>;
> -def : Pat<(parallel (X86dec_flag GR8:$src), (implicit EFLAGS)),
> -          (DEC8r GR8:$src)>;
> -def : Pat<(parallel (store (i8 (X86dec_flag (loadi8 addr:$dst))),  
> addr:$dst),
> -                    (implicit EFLAGS)),
> -          (DEC8m addr:$dst)>;
> -
> -def : Pat<(parallel (X86inc_flag GR16:$src), (implicit EFLAGS)),
> -          (INC16r GR16:$src)>, Requires<[In32BitMode]>;
> -def : Pat<(parallel (store (i16 (X86inc_flag (loadi16 addr:$dst))),  
> addr:$dst),
> -                    (implicit EFLAGS)),
> -          (INC16m addr:$dst)>, Requires<[In32BitMode]>;
> -def : Pat<(parallel (X86dec_flag GR16:$src), (implicit EFLAGS)),
> -          (DEC16r GR16:$src)>, Requires<[In32BitMode]>;
> -def : Pat<(parallel (store (i16 (X86dec_flag (loadi16 addr:$dst))),  
> addr:$dst),
> -                    (implicit EFLAGS)),
> -          (DEC16m addr:$dst)>, Requires<[In32BitMode]>;
> -
> -def : Pat<(parallel (X86inc_flag GR32:$src), (implicit EFLAGS)),
> -          (INC32r GR32:$src)>, Requires<[In32BitMode]>;
> -def : Pat<(parallel (store (i32 (X86inc_flag (loadi32 addr:$dst))),  
> addr:$dst),
> -                    (implicit EFLAGS)),
> -          (INC32m addr:$dst)>, Requires<[In32BitMode]>;
> -def : Pat<(parallel (X86dec_flag GR32:$src), (implicit EFLAGS)),
> -          (DEC32r GR32:$src)>, Requires<[In32BitMode]>;
> -def : Pat<(parallel (store (i32 (X86dec_flag (loadi32 addr:$dst))),  
> addr:$dst),
> -                    (implicit EFLAGS)),
> -          (DEC32m addr:$dst)>, Requires<[In32BitMode]>;
> -
> // 
> = 
> = 
> = 
> ----------------------------------------------------------------------= 
> ==//
> // Floating Point Stack Support
> // 
> = 
> = 
> = 
> ----------------------------------------------------------------------= 
> ==//
>
> Modified: llvm/branches/Apple/Dib/test/CodeGen/ARM/uxtb.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Dib/test/CodeGen/ARM/uxtb.ll?rev=66464&r1=66463&r2=66464&view=diff
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/branches/Apple/Dib/test/CodeGen/ARM/uxtb.ll (original)
> +++ llvm/branches/Apple/Dib/test/CodeGen/ARM/uxtb.ll Mon Mar  9  
> 16:08:34 2009
> @@ -1,4 +1,4 @@
> -; RUN: llvm-as < %s | llc -mtriple=armv6-apple-darwin | \
> +; RUN: llvm-as < %s | llc -march=arm -mattr=+v6 | \
> ; RUN:   grep uxt | count 10
>
> define i32 @test1(i32 %x) {
>
> Removed: llvm/branches/Apple/Dib/test/CodeGen/X86/2009-03-05-burr- 
> list-crash.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Dib/test/CodeGen/X86/2009-03-05-burr-list-crash.ll?rev=66463&view=auto
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/branches/Apple/Dib/test/CodeGen/X86/2009-03-05-burr-list- 
> crash.ll (original)
> +++ llvm/branches/Apple/Dib/test/CodeGen/X86/2009-03-05-burr-list- 
> crash.ll (removed)
> @@ -1,35 +0,0 @@
> -; RUN: llvm-as < %s | llc
> -
> -target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32- 
> i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64- 
> s0:64:64-f80:128:128"
> -target triple = "x86_64-unknown-linux-gnu"
> -external global i32		; <i32*>:0 [#uses=1]
> -
> -declare i64 @strlen(i8* nocapture) nounwind readonly
> -
> -define fastcc i8* @1(i8*) nounwind {
> -	br i1 false, label %3, label %2
> -
> -; <label>:2		; preds = %1
> -	ret i8* %0
> -
> -; <label>:3		; preds = %1
> -	%4 = call i64 @strlen(i8* %0) nounwind readonly		; <i64> [#uses=1]
> -	%5 = trunc i64 %4 to i32		; <i32> [#uses=2]
> -	%6 = load i32* @0, align 4		; <i32> [#uses=1]
> -	%7 = sub i32 %5, %6		; <i32> [#uses=2]
> -	%8 = sext i32 %5 to i64		; <i64> [#uses=1]
> -	%9 = sext i32 %7 to i64		; <i64> [#uses=1]
> -	%10 = sub i64 %8, %9		; <i64> [#uses=1]
> -	%11 = getelementptr i8* %0, i64 %10		; <i8*> [#uses=1]
> -	%12 = icmp sgt i32 %7, 0		; <i1> [#uses=1]
> -	br i1 %12, label %13, label %14
> -
> -; <label>:13		; preds = %13, %3
> -	br label %13
> -
> -; <label>:14		; preds = %3
> -	%15 = call noalias i8* @make_temp_file(i8* %11) nounwind		; <i8*>  
> [#uses=0]
> -	unreachable
> -}
> -
> -declare noalias i8* @make_temp_file(i8*)
>
> Removed: llvm/branches/Apple/Dib/test/CodeGen/X86/peep-test-0.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Dib/test/CodeGen/X86/peep-test-0.ll?rev=66463&view=auto
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/branches/Apple/Dib/test/CodeGen/X86/peep-test-0.ll (original)
> +++ llvm/branches/Apple/Dib/test/CodeGen/X86/peep-test-0.ll (removed)
> @@ -1,22 +0,0 @@
> -; RUN: llvm-as < %s | llc -march=x86-64 > %t
> -; RUN: not grep cmp %t
> -; RUN: not grep test %t
> -
> -define void @loop(i64 %n, double* nocapture %d) nounwind {
> -entry:
> -	br label %bb
> -
> -bb:
> -	%indvar = phi i64 [ %n, %entry ], [ %indvar.next, %bb ]
> -	%i.03 = add i64 %indvar, %n
> -	%0 = getelementptr double* %d, i64 %i.03
> -	%1 = load double* %0, align 8
> -	%2 = mul double %1, 3.000000e+00
> -	store double %2, double* %0, align 8
> -	%indvar.next = add i64 %indvar, 1
> -	%exitcond = icmp eq i64 %indvar.next, 0
> -	br i1 %exitcond, label %return, label %bb
> -
> -return:
> -	ret void
> -}
>
> Removed: llvm/branches/Apple/Dib/test/CodeGen/X86/peep-test-1.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Dib/test/CodeGen/X86/peep-test-1.ll?rev=66463&view=auto
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/branches/Apple/Dib/test/CodeGen/X86/peep-test-1.ll (original)
> +++ llvm/branches/Apple/Dib/test/CodeGen/X86/peep-test-1.ll (removed)
> @@ -1,23 +0,0 @@
> -; RUN: llvm-as < %s | llc -march=x86 > %t
> -; RUN: grep dec %t | count 1
> -; RUN: not grep test %t
> -; RUN: not grep cmp %t
> -
> -define void @foo(i32 %n, double* nocapture %p) nounwind {
> -	br label %bb
> -
> -bb:
> -	%indvar = phi i32 [ 0, %0 ], [ %indvar.next, %bb ]
> -	%i.03 = sub i32 %n, %indvar
> -	%1 = getelementptr double* %p, i32 %i.03
> -	%2 = load double* %1, align 4
> -	%3 = mul double %2, 2.930000e+00
> -	store double %3, double* %1, align 4
> -	%4 = add i32 %i.03, -1
> -	%phitmp = icmp slt i32 %4, 0
> -	%indvar.next = add i32 %indvar, 1
> -	br i1 %phitmp, label %bb, label %return
> -
> -return:
> -	ret void
> -}
>
> Removed: llvm/branches/Apple/Dib/test/CodeGen/X86/peep-test.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/branches/Apple/Dib/test/CodeGen/X86/peep-test.ll?rev=66463&view=auto
>
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> = 
> ======================================================================
> --- llvm/branches/Apple/Dib/test/CodeGen/X86/peep-test.ll (original)
> +++ llvm/branches/Apple/Dib/test/CodeGen/X86/peep-test.ll (removed)
> @@ -1,22 +0,0 @@
> -; RUN: llvm-as < %s | llc -march=x86-64 > %t
> -; RUN: not grep cmp %t
> -; RUN: not grep test %t
> -
> -define void @loop(i64 %n, double* nocapture %d) nounwind {
> -entry:
> -	br label %bb
> -
> -bb:
> -	%indvar = phi i64 [ %n, %entry ], [ %indvar.next, %bb ]
> -	%i.03 = add i64 %indvar, %n
> -	%0 = getelementptr double* %d, i64 %i.03
> -	%1 = load double* %0, align 8
> -	%2 = mul double %1, 3.000000e+00
> -	store double %2, double* %0, align 8
> -	%indvar.next = add i64 %indvar, 1
> -	%exitcond = icmp eq i64 %indvar.next, 0
> -	br i1 %exitcond, label %return, label %bb
> -
> -return:
> -	ret void
> -}
>
>
> _______________________________________________
> llvm-commits mailing list
> llvm-commits at cs.uiuc.edu
> http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits




More information about the llvm-commits mailing list