Revert r301231: Accidentally committed stale files

I forgot to commit local changes before commit.

llvm-svn: 301232

14 files changed, 45 insertions, 52 deletions

diff --git a/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp b/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
index 1c64e9c0219..e85d1951e3a 100644
--- a/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/InstrEmitter.cpp
@@ -161,8 +161,7 @@ EmitCopyFromReg(SDNode *Node, unsigned ResNo, bool IsClone, bool IsCloned,
   if (VRBase) {
     DstRC = MRI->getRegClass(VRBase);
   } else if (UseRC) {
-    assert(TRI->hasType(*UseRC, VT) &&
-           "Incompatible phys register def and uses!");
+    assert(UseRC->hasType(VT) && "Incompatible phys register def and uses!");
     DstRC = UseRC;
   } else {
     DstRC = TLI->getRegClassFor(VT);
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index d9588b6dc43..2fb804e8d38 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -6653,12 +6653,12 @@ static void GetRegistersForValue(SelectionDAG &DAG, const TargetLowering &TLI,
 
   MachineFunction &MF = DAG.getMachineFunction();
   SmallVector<unsigned, 4> Regs;
-  const TargetRegisterInfo &TRI = *MF.getSubtarget().getRegisterInfo();
 
   // If this is a constraint for a single physreg, or a constraint for a
   // register class, find it.
   std::pair<unsigned, const TargetRegisterClass *> PhysReg =
-      TLI.getRegForInlineAsmConstraint(&TRI, OpInfo.ConstraintCode,
+      TLI.getRegForInlineAsmConstraint(MF.getSubtarget().getRegisterInfo(),
+                                       OpInfo.ConstraintCode,
                                        OpInfo.ConstraintVT);
 
   unsigned NumRegs = 1;
@@ -6667,11 +6667,11 @@ static void GetRegistersForValue(SelectionDAG &DAG, const TargetLowering &TLI,
     // cast of the input value.  More generally, handle any case where the input
     // value disagrees with the register class we plan to stick this in.
     if (OpInfo.Type == InlineAsm::isInput &&
-        PhysReg.second && !TRI.hasType(*PhysReg.second, OpInfo.ConstraintVT)) {
+        PhysReg.second && !PhysReg.second->hasType(OpInfo.ConstraintVT)) {
       // Try to convert to the first EVT that the reg class contains.  If the
       // types are identical size, use a bitcast to convert (e.g. two differing
       // vector types).
-      MVT RegVT = *TRI.valuetypes_begin(*PhysReg.second);
+      MVT RegVT = *PhysReg.second->vt_begin();
       if (RegVT.getSizeInBits() == OpInfo.CallOperand.getValueSizeInBits()) {
         OpInfo.CallOperand = DAG.getNode(ISD::BITCAST, DL,
                                          RegVT, OpInfo.CallOperand);
@@ -6699,12 +6699,12 @@ static void GetRegistersForValue(SelectionDAG &DAG, const TargetLowering &TLI,
   if (unsigned AssignedReg = PhysReg.first) {
     const TargetRegisterClass *RC = PhysReg.second;
     if (OpInfo.ConstraintVT == MVT::Other)
-      ValueVT = *TRI.valuetypes_begin(*RC);
+      ValueVT = *RC->vt_begin();
 
     // Get the actual register value type.  This is important, because the user
     // may have asked for (e.g.) the AX register in i32 type.  We need to
     // remember that AX is actually i16 to get the right extension.
-    RegVT = *TRI.valuetypes_begin(*RC);
+    RegVT = *RC->vt_begin();
 
     // This is a explicit reference to a physical register.
     Regs.push_back(AssignedReg);
@@ -6730,7 +6730,7 @@ static void GetRegistersForValue(SelectionDAG &DAG, const TargetLowering &TLI,
   // Otherwise, if this was a reference to an LLVM register class, create vregs
   // for this reference.
   if (const TargetRegisterClass *RC = PhysReg.second) {
-    RegVT = *TRI.valuetypes_begin(*RC);
+    RegVT = *RC->vt_begin();
     if (OpInfo.ConstraintVT == MVT::Other)
       ValueVT = RegVT;
 
diff --git a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 11060eaf92a..069fb5b9c09 100644
--- a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -2541,7 +2541,7 @@ TargetLowering::getRegForInlineAsmConstraint(const TargetRegisterInfo *RI,
   for (const TargetRegisterClass *RC : RI->regclasses()) {
     // If none of the value types for this register class are valid, we
     // can't use it.  For example, 64-bit reg classes on 32-bit targets.
-    if (!isLegalRC(*RI, *RC))
+    if (!isLegalRC(RC))
       continue;
 
     for (TargetRegisterClass::iterator I = RC->begin(), E = RC->end();
@@ -2553,9 +2553,9 @@ TargetLowering::getRegForInlineAsmConstraint(const TargetRegisterInfo *RI,
         // If this register class has the requested value type, return it,
         // otherwise keep searching and return the first class found
         // if no other is found which explicitly has the requested type.
-        if (RI->hasType(*RC, VT))
+        if (RC->hasType(VT))
           return S;
-        if (!R.second)
+        else if (!R.second)
           R = S;
       }
     }
diff --git a/llvm/lib/CodeGen/TargetLoweringBase.cpp b/llvm/lib/CodeGen/TargetLoweringBase.cpp
index 4d07da80b90..8d7222fb5b2 100644
--- a/llvm/lib/CodeGen/TargetLoweringBase.cpp
+++ b/llvm/lib/CodeGen/TargetLoweringBase.cpp
@@ -1184,11 +1184,12 @@ static unsigned getVectorTypeBreakdownMVT(MVT VT, MVT &IntermediateVT,
 
 /// isLegalRC - Return true if the value types that can be represented by the
 /// specified register class are all legal.
-bool TargetLoweringBase::isLegalRC(const TargetRegisterInfo &TRI,
-                                   const TargetRegisterClass &RC) const {
-  for (auto I = TRI.valuetypes_begin(RC); *I != MVT::Other; ++I)
+bool TargetLoweringBase::isLegalRC(const TargetRegisterClass *RC) const {
+  for (TargetRegisterClass::vt_iterator I = RC->vt_begin(), E = RC->vt_end();
+       I != E; ++I) {
     if (isTypeLegal(*I))
       return true;
+  }
   return false;
 }
 
@@ -1300,7 +1301,7 @@ TargetLoweringBase::findRepresentativeClass(const TargetRegisterInfo *TRI,
     // We want the largest possible spill size.
     if (TRI->getSpillSize(*SuperRC) <= TRI->getSpillSize(*BestRC))
       continue;
-    if (!isLegalRC(*TRI, *SuperRC))
+    if (!isLegalRC(SuperRC))
       continue;
     BestRC = SuperRC;
   }
diff --git a/llvm/lib/CodeGen/TargetRegisterInfo.cpp b/llvm/lib/CodeGen/TargetRegisterInfo.cpp
index 92c97df78f0..ae579af7ec6 100644
--- a/llvm/lib/CodeGen/TargetRegisterInfo.cpp
+++ b/llvm/lib/CodeGen/TargetRegisterInfo.cpp
@@ -156,7 +156,7 @@ TargetRegisterInfo::getMinimalPhysRegClass(unsigned reg, MVT VT) const {
   // this physreg.
   const TargetRegisterClass* BestRC = nullptr;
   for (const TargetRegisterClass* RC : regclasses()) {
-    if ((VT == MVT::Other || hasType(*RC, VT)) && RC->contains(reg) &&
+    if ((VT == MVT::Other || RC->hasType(VT)) && RC->contains(reg) &&
         (!BestRC || BestRC->hasSubClass(RC)))
       BestRC = RC;
   }
@@ -207,7 +207,7 @@ const TargetRegisterClass *firstCommonClass(const uint32_t *A,
     if (unsigned Common = *A++ & *B++) {
       const TargetRegisterClass *RC =
           TRI->getRegClass(I + countTrailingZeros(Common));
-      if (SVT == MVT::SimpleValueType::Any || TRI->hasType(*RC, VT))
+      if (SVT == MVT::SimpleValueType::Any || RC->hasType(VT))
         return RC;
     }
   return nullptr;
diff --git a/llvm/lib/Target/AVR/AVRInstrInfo.cpp b/llvm/lib/Target/AVR/AVRInstrInfo.cpp
index 20746676c19..88f889260cc 100644
--- a/llvm/lib/Target/AVR/AVRInstrInfo.cpp
+++ b/llvm/lib/Target/AVR/AVRInstrInfo.cpp
@@ -142,9 +142,9 @@ void AVRInstrInfo::storeRegToStackSlot(MachineBasicBlock &MBB,
       MFI.getObjectAlignment(FrameIndex));
 
   unsigned Opcode = 0;
-  if (TRI->hasType(*RC, MVT::i8)) {
+  if (RC->hasType(MVT::i8)) {
     Opcode = AVR::STDPtrQRr;
-  } else if (TRI->hasType(*RC, MVT::i16)) {
+  } else if (RC->hasType(MVT::i16)) {
     Opcode = AVR::STDWPtrQRr;
   } else {
     llvm_unreachable("Cannot store this register into a stack slot!");
@@ -176,9 +176,9 @@ void AVRInstrInfo::loadRegFromStackSlot(MachineBasicBlock &MBB,
       MFI.getObjectAlignment(FrameIndex));
 
   unsigned Opcode = 0;
-  if (TRI->hasType(*RC, MVT::i8)) {
+  if (RC->hasType(MVT::i8)) {
     Opcode = AVR::LDDRdPtrQ;
-  } else if (TRI->hasType(*RC, MVT::i16)) {
+  } else if (RC->hasType(MVT::i16)) {
     // Opcode = AVR::LDDWRdPtrQ;
     //:FIXME: remove this once PR13375 gets fixed
     Opcode = AVR::LDDWRdYQ;
diff --git a/llvm/lib/Target/AVR/AVRRegisterInfo.cpp b/llvm/lib/Target/AVR/AVRRegisterInfo.cpp
index 50d4ff58410..48798bd4a1d 100644
--- a/llvm/lib/Target/AVR/AVRRegisterInfo.cpp
+++ b/llvm/lib/Target/AVR/AVRRegisterInfo.cpp
@@ -78,12 +78,11 @@ BitVector AVRRegisterInfo::getReservedRegs(const MachineFunction &MF) const {
 const TargetRegisterClass *
 AVRRegisterInfo::getLargestLegalSuperClass(const TargetRegisterClass *RC,
                                            const MachineFunction &MF) const {
-  const TargetRegisterInfo *TRI = MF.getSubtarget().getRegisterInfo();
-  if (TRI->hasType(*RC, MVT::i16)) {
+  if (RC->hasType(MVT::i16)) {
     return &AVR::DREGSRegClass;
   }
 
-  if (TRI->hasType(*RC, MVT::i8)) {
+  if (RC->hasType(MVT::i8)) {
     return &AVR::GPR8RegClass;
   }
 
diff --git a/llvm/lib/Target/Mips/MipsOptimizePICCall.cpp b/llvm/lib/Target/Mips/MipsOptimizePICCall.cpp
index 0e76c31331c..f33857fe628 100644
--- a/llvm/lib/Target/Mips/MipsOptimizePICCall.cpp
+++ b/llvm/lib/Target/Mips/MipsOptimizePICCall.cpp
@@ -116,10 +116,9 @@ static MachineOperand *getCallTargetRegOpnd(MachineInstr &MI) {
 
 /// Return type of register Reg.
 static MVT::SimpleValueType getRegTy(unsigned Reg, MachineFunction &MF) {
-  const TargetRegisterInfo &TRI = *MF.getSubtarget().getRegisterInfo();
   const TargetRegisterClass *RC = MF.getRegInfo().getRegClass(Reg);
-  assert(TRI.valuetypes_end(*RC) - TRI.valuetypes_begin(*RC) == 1);
-  return *TRI.valuetypes_begin(*RC);
+  assert(RC->vt_end() - RC->vt_begin() == 1);
+  return *RC->vt_begin();
 }
 
 /// Do the following transformation:
diff --git a/llvm/lib/Target/Mips/MipsSEInstrInfo.cpp b/llvm/lib/Target/Mips/MipsSEInstrInfo.cpp
index 2bc371c5596..6ce3f88507c 100644
--- a/llvm/lib/Target/Mips/MipsSEInstrInfo.cpp
+++ b/llvm/lib/Target/Mips/MipsSEInstrInfo.cpp
@@ -207,13 +207,13 @@ storeRegToStack(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
     Opc = Mips::SDC1;
   else if (Mips::FGR64RegClass.hasSubClassEq(RC))
     Opc = Mips::SDC164;
-  else if (TRI->hasType(*RC, MVT::v16i8))
+  else if (RC->hasType(MVT::v16i8))
     Opc = Mips::ST_B;
-  else if (TRI->hasType(*RC, MVT::v8i16) || TRI->hasType(*RC, MVT::v8f16))
+  else if (RC->hasType(MVT::v8i16) || RC->hasType(MVT::v8f16))
     Opc = Mips::ST_H;
-  else if (TRI->hasType(*RC, MVT::v4i32) || TRI->hasType(*RC, MVT::v4f32))
+  else if (RC->hasType(MVT::v4i32) || RC->hasType(MVT::v4f32))
     Opc = Mips::ST_W;
-  else if (TRI->hasType(*RC, MVT::v2i64) || TRI->hasType(*RC, MVT::v2f64))
+  else if (RC->hasType(MVT::v2i64) || RC->hasType(MVT::v2f64))
     Opc = Mips::ST_D;
   else if (Mips::LO32RegClass.hasSubClassEq(RC))
     Opc = Mips::SW;
@@ -280,13 +280,13 @@ loadRegFromStack(MachineBasicBlock &MBB, MachineBasicBlock::iterator I,
     Opc = Mips::LDC1;
   else if (Mips::FGR64RegClass.hasSubClassEq(RC))
     Opc = Mips::LDC164;
-  else if (TRI->hasType(*RC, MVT::v16i8))
+  else if (RC->hasType(MVT::v16i8))
     Opc = Mips::LD_B;
-  else if (TRI->hasType(*RC, MVT::v8i16) || TRI->hasType(*RC, MVT::v8f16))
+  else if (RC->hasType(MVT::v8i16) || RC->hasType(MVT::v8f16))
     Opc = Mips::LD_H;
-  else if (TRI->hasType(*RC, MVT::v4i32) || TRI->hasType(*RC, MVT::v4f32))
+  else if (RC->hasType(MVT::v4i32) || RC->hasType(MVT::v4f32))
     Opc = Mips::LD_W;
-  else if (TRI->hasType(*RC, MVT::v2i64) || TRI->hasType(*RC, MVT::v2f64))
+  else if (RC->hasType(MVT::v2i64) || RC->hasType(MVT::v2f64))
     Opc = Mips::LD_D;
   else if (Mips::HI32RegClass.hasSubClassEq(RC))
     Opc = Mips::LW;
diff --git a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
index dba5cd4b0be..f7663d8e518 100644
--- a/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/llvm/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -9057,7 +9057,6 @@ PPCTargetLowering::emitEHSjLjSetJmp(MachineInstr &MI,
                                     MachineBasicBlock *MBB) const {
   DebugLoc DL = MI.getDebugLoc();
   const TargetInstrInfo *TII = Subtarget.getInstrInfo();
-  const PPCRegisterInfo *TRI = Subtarget.getRegisterInfo();
 
   MachineFunction *MF = MBB->getParent();
   MachineRegisterInfo &MRI = MF->getRegInfo();
@@ -9071,7 +9070,7 @@ PPCTargetLowering::emitEHSjLjSetJmp(MachineInstr &MI,
 
   unsigned DstReg = MI.getOperand(0).getReg();
   const TargetRegisterClass *RC = MRI.getRegClass(DstReg);
-  assert(TRI->hasType(*RC, MVT::i32) && "Invalid destination!");
+  assert(RC->hasType(MVT::i32) && "Invalid destination!");
   unsigned mainDstReg = MRI.createVirtualRegister(RC);
   unsigned restoreDstReg = MRI.createVirtualRegister(RC);
 
@@ -9154,6 +9153,7 @@ PPCTargetLowering::emitEHSjLjSetJmp(MachineInstr &MI,
 
   // Setup
   MIB = BuildMI(*thisMBB, MI, DL, TII->get(PPC::BCLalways)).addMBB(mainMBB);
+  const PPCRegisterInfo *TRI = Subtarget.getRegisterInfo();
   MIB.addRegMask(TRI->getNoPreservedMask());
 
   BuildMI(*thisMBB, MI, DL, TII->get(PPC::LI), restoreDstReg).addImm(1);
diff --git a/llvm/lib/Target/Sparc/SparcISelLowering.cpp b/llvm/lib/Target/Sparc/SparcISelLowering.cpp
index d902ff3a5b0..455d1ee1564 100644
--- a/llvm/lib/Target/Sparc/SparcISelLowering.cpp
+++ b/llvm/lib/Target/Sparc/SparcISelLowering.cpp
@@ -3234,7 +3234,6 @@ SparcTargetLowering::emitEHSjLjSetJmp(MachineInstr &MI,
                                       MachineBasicBlock *MBB) const {
   DebugLoc DL = MI.getDebugLoc();
   const TargetInstrInfo *TII = Subtarget->getInstrInfo();
-  const TargetRegisterInfo *TRI = Subtarget->getRegisterInfo();
 
   MachineFunction *MF = MBB->getParent();
   MachineRegisterInfo &MRI = MF->getRegInfo();
@@ -3246,8 +3245,7 @@ SparcTargetLowering::emitEHSjLjSetJmp(MachineInstr &MI,
 
   unsigned DstReg = MI.getOperand(0).getReg();
   const TargetRegisterClass *RC = MRI.getRegClass(DstReg);
-  assert(TRI->hasType(*RC, MVT::i32) && "Invalid destination!");
-  (void)TRI;
+  assert(RC->hasType(MVT::i32) && "Invalid destination!");
   unsigned mainDstReg = MRI.createVirtualRegister(RC);
   unsigned restoreDstReg = MRI.createVirtualRegister(RC);
 
diff --git a/llvm/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp b/llvm/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp
index 9a14ca6d5fa..d9c2dba5bac 100644
--- a/llvm/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp
+++ b/llvm/lib/Target/WebAssembly/WebAssemblyAsmPrinter.cpp
@@ -45,11 +45,10 @@ using namespace llvm;
 //===----------------------------------------------------------------------===//
 
 MVT WebAssemblyAsmPrinter::getRegType(unsigned RegNo) const {
-  const TargetRegisterInfo *TRI = Subtarget->getRegisterInfo();
   const TargetRegisterClass *TRC = MRI->getRegClass(RegNo);
   for (MVT T : {MVT::i32, MVT::i64, MVT::f32, MVT::f64, MVT::v16i8, MVT::v8i16,
                 MVT::v4i32, MVT::v4f32})
-    if (TRI->hasType(*TRC, T))
+    if (TRC->hasType(T))
       return T;
   DEBUG(errs() << "Unknown type for register number: " << RegNo);
   llvm_unreachable("Unknown register type");
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 522994c84f0..e3de30417b0 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -25944,7 +25944,6 @@ X86TargetLowering::emitEHSjLjSetJmp(MachineInstr &MI,
   DebugLoc DL = MI.getDebugLoc();
   MachineFunction *MF = MBB->getParent();
   const TargetInstrInfo *TII = Subtarget.getInstrInfo();
-  const TargetRegisterInfo *TRI = Subtarget.getRegisterInfo();
   MachineRegisterInfo &MRI = MF->getRegInfo();
 
   const BasicBlock *BB = MBB->getBasicBlock();
@@ -25961,8 +25960,7 @@ X86TargetLowering::emitEHSjLjSetJmp(MachineInstr &MI,
 
   DstReg = MI.getOperand(CurOp++).getReg();
   const TargetRegisterClass *RC = MRI.getRegClass(DstReg);
-  assert(TRI->hasType(*RC, MVT::i32) && "Invalid destination!");
-  (void)TRI;
+  assert(RC->hasType(MVT::i32) && "Invalid destination!");
   unsigned mainDstReg = MRI.createVirtualRegister(RC);
   unsigned restoreDstReg = MRI.createVirtualRegister(RC);
 
@@ -35939,7 +35937,7 @@ X86TargetLowering::getRegForInlineAsmConstraint(const TargetRegisterInfo *TRI,
   // type.  For example, we want to map "{ax},i32" -> {eax}, we don't want it to
   // turn into {ax},{dx}.
   // MVT::Other is used to specify clobber names.
-  if (TRI->hasType(*Res.second, VT) || VT == MVT::Other)
+  if (Res.second->hasType(VT) || VT == MVT::Other)
     return Res;   // Correct type already, nothing to do.
 
   // Get a matching integer of the correct size. i.e. "ax" with MVT::32 should
@@ -35977,11 +35975,11 @@ X86TargetLowering::getRegForInlineAsmConstraint(const TargetRegisterInfo *TRI,
       Res.second = &X86::FR32RegClass;
     else if (VT == MVT::f64 || VT == MVT::i64)
       Res.second = &X86::FR64RegClass;
-    else if (TRI->hasType(X86::VR128RegClass, VT))
+    else if (X86::VR128RegClass.hasType(VT))
       Res.second = &X86::VR128RegClass;
-    else if (TRI->hasType(X86::VR256RegClass, VT))
+    else if (X86::VR256RegClass.hasType(VT))
       Res.second = &X86::VR256RegClass;
-    else if (TRI->hasType(X86::VR512RegClass, VT))
+    else if (X86::VR512RegClass.hasType(VT))
       Res.second = &X86::VR512RegClass;
     else {
       // Type mismatch and not a clobber: Return an error;
diff --git a/llvm/lib/Target/X86/X86InstrInfo.cpp b/llvm/lib/Target/X86/X86InstrInfo.cpp
index a9a678bee81..5e0bd10c42b 100644
--- a/llvm/lib/Target/X86/X86InstrInfo.cpp
+++ b/llvm/lib/Target/X86/X86InstrInfo.cpp
@@ -8747,7 +8747,7 @@ X86InstrInfo::unfoldMemoryOperand(SelectionDAG &DAG, SDNode *N,
   // Emit the load instruction.
   SDNode *Load = nullptr;
   if (FoldedLoad) {
-    EVT VT = *TRI.valuetypes_begin(*RC);
+    EVT VT = *RC->vt_begin();
     std::pair<MachineInstr::mmo_iterator,
               MachineInstr::mmo_iterator> MMOs =
       MF.extractLoadMemRefs(cast<MachineSDNode>(N)->memoperands_begin(),
@@ -8775,7 +8775,7 @@ X86InstrInfo::unfoldMemoryOperand(SelectionDAG &DAG, SDNode *N,
   const TargetRegisterClass *DstRC = nullptr;
   if (MCID.getNumDefs() > 0) {
     DstRC = getRegClass(MCID, 0, &RI, MF);
-    VTs.push_back(*TRI.valuetypes_begin(*DstRC));
+    VTs.push_back(*DstRC->vt_begin());
   }
   for (unsigned i = 0, e = N->getNumValues(); i != e; ++i) {
     EVT VT = N->getValueType(i);