Use MVT instead of EVT in X86ISelDAGToDAG since all the types should be legal.

llvm-svn: 188446

diff --git a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
index 8f8d488b1b48ba9d4b45601d0b2235dc07ea63b2..33c80c750efe4094391a2166033d23b53841a62d 100644 (file)
--- a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
+++ b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
@@ -183,7 +183,7 @@ namespace {
     SDNode *Select(SDNode *N);
     SDNode *SelectGather(SDNode *N, unsigned Opc);
     SDNode *SelectAtomic64(SDNode *Node, unsigned Opc);
-    SDNode *SelectAtomicLoadArith(SDNode *Node, EVT NVT);
+    SDNode *SelectAtomicLoadArith(SDNode *Node, MVT NVT);
 
     bool FoldOffsetIntoAddress(uint64_t Offset, X86ISelAddressMode &AM);
     bool MatchLoadInAddress(LoadSDNode *N, X86ISelAddressMode &AM);
@@ -491,8 +491,8 @@ void X86DAGToDAGISel::PreprocessISelDAG() {
     if (N->getOpcode() != ISD::FP_ROUND && N->getOpcode() != ISD::FP_EXTEND)
       continue;
 
-    EVT SrcVT = N->getOperand(0).getValueType();
-    EVT DstVT = N->getValueType(0);
+    MVT SrcVT = N->getOperand(0).getSimpleValueType();
+    MVT DstVT = N->getSimpleValueType(0);
 
     // If any of the sources are vectors, no fp stack involved.
     if (SrcVT.isVector() || DstVT.isVector())
@@ -519,7 +519,7 @@ void X86DAGToDAGISel::PreprocessISelDAG() {
     // Here we could have an FP stack truncation or an FPStack <-> SSE convert.
     // FPStack has extload and truncstore.  SSE can fold direct loads into other
     // operations.  Based on this, decide what we want to do.
-    EVT MemVT;
+    MVT MemVT;
     if (N->getOpcode() == ISD::FP_ROUND)
       MemVT = DstVT;  // FP_ROUND must use DstVT, we can't do a 'trunc load'.
     else
@@ -783,7 +783,7 @@ static bool FoldMaskAndShiftToExtract(SelectionDAG &DAG, SDValue N,
       Mask != (0xffu << ScaleLog))
     return true;
 
-  EVT VT = N.getValueType();
+  MVT VT = N.getSimpleValueType();
   SDLoc DL(N);
   SDValue Eight = DAG.getConstant(8, MVT::i8);
   SDValue NewMask = DAG.getConstant(0xff, VT);
@@ -831,7 +831,7 @@ static bool FoldMaskedShiftToScaledMask(SelectionDAG &DAG, SDValue N,
   if (ShiftAmt != 1 && ShiftAmt != 2 && ShiftAmt != 3)
     return true;
 
-  EVT VT = N.getValueType();
+  MVT VT = N.getSimpleValueType();
   SDLoc DL(N);
   SDValue NewMask = DAG.getConstant(Mask >> ShiftAmt, VT);
   SDValue NewAnd = DAG.getNode(ISD::AND, DL, VT, X, NewMask);
@@ -904,7 +904,7 @@ static bool FoldMaskAndShiftToScale(SelectionDAG &DAG, SDValue N,
 
   // Scale the leading zero count down based on the actual size of the value.
   // Also scale it down based on the size of the shift.
-  MaskLZ -= (64 - X.getValueSizeInBits()) + ShiftAmt;
+  MaskLZ -= (64 - X.getSimpleValueType().getSizeInBits()) + ShiftAmt;
 
   // The final check is to ensure that any masked out high bits of X are
   // already known to be zero. Otherwise, the mask has a semantic impact
@@ -914,23 +914,23 @@ static bool FoldMaskAndShiftToScale(SelectionDAG &DAG, SDValue N,
   // replace them with zero extensions cheaply if necessary.
   bool ReplacingAnyExtend = false;
   if (X.getOpcode() == ISD::ANY_EXTEND) {
-    unsigned ExtendBits =
-      X.getValueSizeInBits() - X.getOperand(0).getValueSizeInBits();
+    unsigned ExtendBits = X.getSimpleValueType().getSizeInBits() -
+                          X.getOperand(0).getSimpleValueType().getSizeInBits();
     // Assume that we'll replace the any-extend with a zero-extend, and
     // narrow the search to the extended value.
     X = X.getOperand(0);
     MaskLZ = ExtendBits > MaskLZ ? 0 : MaskLZ - ExtendBits;
     ReplacingAnyExtend = true;
   }
-  APInt MaskedHighBits = APInt::getHighBitsSet(X.getValueSizeInBits(),
-                                               MaskLZ);
+  APInt MaskedHighBits =
+    APInt::getHighBitsSet(X.getSimpleValueType().getSizeInBits(), MaskLZ);
   APInt KnownZero, KnownOne;
   DAG.ComputeMaskedBits(X, KnownZero, KnownOne);
   if (MaskedHighBits != KnownZero) return true;
 
   // We've identified a pattern that can be transformed into a single shift
   // and an addressing mode. Make it so.
-  EVT VT = N.getValueType();
+  MVT VT = N.getSimpleValueType();
   if (ReplacingAnyExtend) {
     assert(X.getValueType() != VT);
     // We looked through an ANY_EXTEND node, insert a ZERO_EXTEND.
@@ -1059,7 +1059,7 @@ bool X86DAGToDAGISel::MatchAddressRecursively(SDValue N, X86ISelAddressMode &AM,
 
     // We only handle up to 64-bit values here as those are what matter for
     // addressing mode optimizations.
-    if (X.getValueSizeInBits() > 64) break;
+    if (X.getSimpleValueType().getSizeInBits() > 64) break;
 
     // The mask used for the transform is expected to be post-shift, but we
     // found the shift first so just apply the shift to the mask before passing
@@ -1244,7 +1244,7 @@ bool X86DAGToDAGISel::MatchAddressRecursively(SDValue N, X86ISelAddressMode &AM,
 
     // We only handle up to 64-bit values here as those are what matter for
     // addressing mode optimizations.
-    if (X.getValueSizeInBits() > 64) break;
+    if (X.getSimpleValueType().getSizeInBits() > 64) break;
 
     if (!isa<ConstantSDNode>(N.getOperand(1)))
       break;
@@ -1323,7 +1323,7 @@ bool X86DAGToDAGISel::SelectAddr(SDNode *Parent, SDValue N, SDValue &Base,
   if (MatchAddress(N, AM))
     return false;
 
-  EVT VT = N.getValueType();
+  MVT VT = N.getSimpleValueType();
   if (AM.BaseType == X86ISelAddressMode::RegBase) {
     if (!AM.Base_Reg.getNode())
       AM.Base_Reg = CurDAG->getRegister(0, VT);
@@ -1465,7 +1465,7 @@ bool X86DAGToDAGISel::SelectLEAAddr(SDValue N,
   assert (T == AM.Segment);
   AM.Segment = Copy;
 
-  EVT VT = N.getValueType();
+  MVT VT = N.getSimpleValueType();
   unsigned Complexity = 0;
   if (AM.BaseType == X86ISelAddressMode::RegBase)
     if (AM.Base_Reg.getNode())
@@ -1706,7 +1706,7 @@ static const uint16_t AtomicOpcTbl[AtomicOpcEnd][AtomicSzEnd] = {
 // + non-empty, otherwise.
 static SDValue getAtomicLoadArithTargetConstant(SelectionDAG *CurDAG,
                                                 SDLoc dl,
-                                                enum AtomicOpc &Op, EVT NVT,
+                                                enum AtomicOpc &Op, MVT NVT,
                                                 SDValue Val) {
   if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(Val)) {
     int64_t CNVal = CN->getSExtValue();
@@ -1753,7 +1753,7 @@ static SDValue getAtomicLoadArithTargetConstant(SelectionDAG *CurDAG,
   return Val;
 }
 
-SDNode *X86DAGToDAGISel::SelectAtomicLoadArith(SDNode *Node, EVT NVT) {
+SDNode *X86DAGToDAGISel::SelectAtomicLoadArith(SDNode *Node, MVT NVT) {
   if (Node->hasAnyUseOfValue(0))
     return 0;
 
@@ -1793,7 +1793,7 @@ SDNode *X86DAGToDAGISel::SelectAtomicLoadArith(SDNode *Node, EVT NVT) {
   bool isCN = Val.getNode() && (Val.getOpcode() == ISD::TargetConstant);
 
   unsigned Opc = 0;
-  switch (NVT.getSimpleVT().SimpleTy) {
+  switch (NVT.SimpleTy) {
     default: return 0;
     case MVT::i8:
       if (isCN)
@@ -2047,7 +2047,7 @@ SDNode *X86DAGToDAGISel::SelectGather(SDNode *Node, unsigned Opc) {
 }
 
 SDNode *X86DAGToDAGISel::Select(SDNode *Node) {
-  EVT NVT = Node->getValueType(0);
+  MVT NVT = Node->getSimpleValueType(0);
   unsigned Opc, MOpc;
   unsigned Opcode = Node->getOpcode();
   SDLoc dl(Node);
@@ -2187,7 +2187,7 @@ SDNode *X86DAGToDAGISel::Select(SDNode *Node) {
       break;
 
     unsigned ShlOp, Op;
-    EVT CstVT = NVT;
+    MVT CstVT = NVT;
 
     // Check the minimum bitwidth for the new constant.
     // TODO: AND32ri is the same as AND64ri32 with zext imm.
@@ -2202,7 +2202,7 @@ SDNode *X86DAGToDAGISel::Select(SDNode *Node) {
     if (NVT == CstVT)
       break;
 
-    switch (NVT.getSimpleVT().SimpleTy) {
+    switch (NVT.SimpleTy) {
     default: llvm_unreachable("Unsupported VT!");
     case MVT::i32:
       assert(CstVT == MVT::i8);
@@ -2239,7 +2239,7 @@ SDNode *X86DAGToDAGISel::Select(SDNode *Node) {
     SDValue N1 = Node->getOperand(1);
 
     unsigned LoReg;
-    switch (NVT.getSimpleVT().SimpleTy) {
+    switch (NVT.SimpleTy) {
     default: llvm_unreachable("Unsupported VT!");
     case MVT::i8:  LoReg = X86::AL;  Opc = X86::MUL8r; break;
     case MVT::i16: LoReg = X86::AX;  Opc = X86::MUL16r; break;
@@ -2268,7 +2268,7 @@ SDNode *X86DAGToDAGISel::Select(SDNode *Node) {
     bool isSigned = Opcode == ISD::SMUL_LOHI;
     bool hasBMI2 = Subtarget->hasBMI2();
     if (!isSigned) {
-      switch (NVT.getSimpleVT().SimpleTy) {
+      switch (NVT.SimpleTy) {
       default: llvm_unreachable("Unsupported VT!");
       case MVT::i8:  Opc = X86::MUL8r;  MOpc = X86::MUL8m;  break;
       case MVT::i16: Opc = X86::MUL16r; MOpc = X86::MUL16m; break;
@@ -2278,7 +2278,7 @@ SDNode *X86DAGToDAGISel::Select(SDNode *Node) {
                      MOpc = hasBMI2 ? X86::MULX64rm : X86::MUL64m; break;
       }
     } else {
-      switch (NVT.getSimpleVT().SimpleTy) {
+      switch (NVT.SimpleTy) {
       default: llvm_unreachable("Unsupported VT!");
       case MVT::i8:  Opc = X86::IMUL8r;  MOpc = X86::IMUL8m;  break;
       case MVT::i16: Opc = X86::IMUL16r; MOpc = X86::IMUL16m; break;
@@ -2415,7 +2415,7 @@ SDNode *X86DAGToDAGISel::Select(SDNode *Node) {
 
     bool isSigned = Opcode == ISD::SDIVREM;
     if (!isSigned) {
-      switch (NVT.getSimpleVT().SimpleTy) {
+      switch (NVT.SimpleTy) {
       default: llvm_unreachable("Unsupported VT!");
       case MVT::i8:  Opc = X86::DIV8r;  MOpc = X86::DIV8m;  break;
       case MVT::i16: Opc = X86::DIV16r; MOpc = X86::DIV16m; break;
@@ -2423,7 +2423,7 @@ SDNode *X86DAGToDAGISel::Select(SDNode *Node) {
       case MVT::i64: Opc = X86::DIV64r; MOpc = X86::DIV64m; break;
       }
     } else {
-      switch (NVT.getSimpleVT().SimpleTy) {
+      switch (NVT.SimpleTy) {
       default: llvm_unreachable("Unsupported VT!");
       case MVT::i8:  Opc = X86::IDIV8r;  MOpc = X86::IDIV8m;  break;
       case MVT::i16: Opc = X86::IDIV16r; MOpc = X86::IDIV16m; break;
@@ -2434,7 +2434,7 @@ SDNode *X86DAGToDAGISel::Select(SDNode *Node) {
 
     unsigned LoReg, HiReg, ClrReg;
     unsigned SExtOpcode;
-    switch (NVT.getSimpleVT().SimpleTy) {
+    switch (NVT.SimpleTy) {
     default: llvm_unreachable("Unsupported VT!");
     case MVT::i8:
       LoReg = X86::AL;  ClrReg = HiReg = X86::AH;
@@ -2489,7 +2489,7 @@ SDNode *X86DAGToDAGISel::Select(SDNode *Node) {
       } else {
         // Zero out the high part, effectively zero extending the input.
         SDValue ClrNode = SDValue(CurDAG->getMachineNode(X86::MOV32r0, dl, NVT), 0);       
-        switch (NVT.getSimpleVT().SimpleTy) {
+        switch (NVT.SimpleTy) {
         case MVT::i16:
           ClrNode =
               SDValue(CurDAG->getMachineNode(