Move TargetData to DataLayout.

[oota-llvm.git] / lib / CodeGen / SelectionDAG / SelectionDAG.cpp

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index c6f49c8ddcbd821a00bd114b7c4593e638500094..1d7378b5dcd0504d97564e94dfc8ef3b20ab6c69 100644 (file)
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -29,7 +29,7 @@
 #include "llvm/CodeGen/MachineFrameInfo.h"
 #include "llvm/CodeGen/MachineModuleInfo.h"
 #include "llvm/Target/TargetRegisterInfo.h"
-#include "llvm/Target/TargetData.h"
+#include "llvm/DataLayout.h"
 #include "llvm/Target/TargetLowering.h"
 #include "llvm/Target/TargetSelectionDAGInfo.h"
 #include "llvm/Target/TargetOptions.h"
@@ -136,13 +136,11 @@ bool ISD::isBuildVectorAllOnes(const SDNode *N) {
   // constants are.
   SDValue NotZero = N->getOperand(i);
   unsigned EltSize = N->getValueType(0).getVectorElementType().getSizeInBits();
-  if (isa<ConstantSDNode>(NotZero)) {
-    if (cast<ConstantSDNode>(NotZero)->getAPIntValue().countTrailingOnes() <
-        EltSize)
+  if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(NotZero)) {
+    if (CN->getAPIntValue().countTrailingOnes() < EltSize)
       return false;
-  } else if (isa<ConstantFPSDNode>(NotZero)) {
-    if (cast<ConstantFPSDNode>(NotZero)->getValueAPF()
-              .bitcastToAPInt().countTrailingOnes() < EltSize)
+  } else if (ConstantFPSDNode *CFPN = dyn_cast<ConstantFPSDNode>(NotZero)) {
+    if (CFPN->getValueAPF().bitcastToAPInt().countTrailingOnes() < EltSize)
       return false;
   } else
     return false;
@@ -179,11 +177,11 @@ bool ISD::isBuildVectorAllZeros(const SDNode *N) {
   // Do not accept build_vectors that aren't all constants or which have non-0
   // elements.
   SDValue Zero = N->getOperand(i);
-  if (isa<ConstantSDNode>(Zero)) {
-    if (!cast<ConstantSDNode>(Zero)->isNullValue())
+  if (ConstantSDNode *CN = dyn_cast<ConstantSDNode>(Zero)) {
+    if (!CN->isNullValue())
       return false;
-  } else if (isa<ConstantFPSDNode>(Zero)) {
-    if (!cast<ConstantFPSDNode>(Zero)->getValueAPF().isPosZero())
+  } else if (ConstantFPSDNode *CFPN = dyn_cast<ConstantFPSDNode>(Zero)) {
+    if (!CFPN->getValueAPF().isPosZero())
       return false;
   } else
     return false;
@@ -494,8 +492,10 @@ static void AddNodeIDCustom(FoldingSetNodeID &ID, const SDNode *N) {
   }
   case ISD::TargetBlockAddress:
   case ISD::BlockAddress: {
-    ID.AddPointer(cast<BlockAddressSDNode>(N)->getBlockAddress());
-    ID.AddInteger(cast<BlockAddressSDNode>(N)->getTargetFlags());
+    const BlockAddressSDNode *BA = cast<BlockAddressSDNode>(N);
+    ID.AddPointer(BA->getBlockAddress());
+    ID.AddInteger(BA->getOffset());
+    ID.AddInteger(BA->getTargetFlags());
     break;
   }
   } // end switch (N->getOpcode())
@@ -883,7 +883,7 @@ unsigned SelectionDAG::getEVTAlignment(EVT VT) const {
                    PointerType::get(Type::getInt8Ty(*getContext()), 0) :
                    VT.getTypeForEVT(*getContext());
 
-  return TLI.getTargetData()->getABITypeAlignment(Ty);
+  return TLI.getDataLayout()->getABITypeAlignment(Ty);
 }
 
 // EntryNode could meaningfully have debug info if we can find it...
@@ -1173,7 +1173,7 @@ SDValue SelectionDAG::getConstantPool(const Constant *C, EVT VT,
   assert((TargetFlags == 0 || isTarget) &&
          "Cannot set target flags on target-independent globals");
   if (Alignment == 0)
-    Alignment = TLI.getTargetData()->getPrefTypeAlignment(C->getType());
+    Alignment = TLI.getDataLayout()->getPrefTypeAlignment(C->getType());
   unsigned Opc = isTarget ? ISD::TargetConstantPool : ISD::ConstantPool;
   FoldingSetNodeID ID;
   AddNodeIDNode(ID, Opc, getVTList(VT), 0, 0);
@@ -1200,7 +1200,7 @@ SDValue SelectionDAG::getConstantPool(MachineConstantPoolValue *C, EVT VT,
   assert((TargetFlags == 0 || isTarget) &&
          "Cannot set target flags on target-independent globals");
   if (Alignment == 0)
-    Alignment = TLI.getTargetData()->getPrefTypeAlignment(C->getType());
+    Alignment = TLI.getDataLayout()->getPrefTypeAlignment(C->getType());
   unsigned Opc = isTarget ? ISD::TargetConstantPool : ISD::ConstantPool;
   FoldingSetNodeID ID;
   AddNodeIDNode(ID, Opc, getVTList(VT), 0, 0);
@@ -1470,6 +1470,7 @@ SDValue SelectionDAG::getEHLabel(DebugLoc dl, SDValue Root, MCSymbol *Label) {
 
 
 SDValue SelectionDAG::getBlockAddress(const BlockAddress *BA, EVT VT,
+                                      int64_t Offset,
                                       bool isTarget,
                                       unsigned char TargetFlags) {
   unsigned Opc = isTarget ? ISD::TargetBlockAddress : ISD::BlockAddress;
@@ -1477,12 +1478,14 @@ SDValue SelectionDAG::getBlockAddress(const BlockAddress *BA, EVT VT,
   FoldingSetNodeID ID;
   AddNodeIDNode(ID, Opc, getVTList(VT), 0, 0);
   ID.AddPointer(BA);
+  ID.AddInteger(Offset);
   ID.AddInteger(TargetFlags);
   void *IP = 0;
   if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
     return SDValue(E, 0);
 
-  SDNode *N = new (NodeAllocator) BlockAddressSDNode(Opc, VT, BA, TargetFlags);
+  SDNode *N = new (NodeAllocator) BlockAddressSDNode(Opc, VT, BA, Offset,
+                                                     TargetFlags);
   CSEMap.InsertNode(N, IP);
   AllNodes.push_back(N);
   return SDValue(N, 0);
@@ -1541,7 +1544,7 @@ SDValue SelectionDAG::CreateStackTemporary(EVT VT, unsigned minAlign) {
   unsigned ByteSize = VT.getStoreSize();
   Type *Ty = VT.getTypeForEVT(*getContext());
   unsigned StackAlign =
-  std::max((unsigned)TLI.getTargetData()->getPrefTypeAlignment(Ty), minAlign);
+  std::max((unsigned)TLI.getDataLayout()->getPrefTypeAlignment(Ty), minAlign);
 
   int FrameIdx = FrameInfo->CreateStackObject(ByteSize, StackAlign, false);
   return getFrameIndex(FrameIdx, TLI.getPointerTy());
@@ -1554,7 +1557,7 @@ SDValue SelectionDAG::CreateStackTemporary(EVT VT1, EVT VT2) {
                             VT2.getStoreSizeInBits())/8;
   Type *Ty1 = VT1.getTypeForEVT(*getContext());
   Type *Ty2 = VT2.getTypeForEVT(*getContext());
-  const TargetData *TD = TLI.getTargetData();
+  const DataLayout *TD = TLI.getDataLayout();
   unsigned Align = std::max(TD->getPrefTypeAlignment(Ty1),
                             TD->getPrefTypeAlignment(Ty2));
 
@@ -2454,9 +2457,9 @@ SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL,
     }
     case ISD::BITCAST:
       if (VT == MVT::f32 && C->getValueType(0) == MVT::i32)
-        return getConstantFP(Val.bitsToFloat(), VT);
+        return getConstantFP(APFloat(Val), VT);
       else if (VT == MVT::f64 && C->getValueType(0) == MVT::i64)
-        return getConstantFP(Val.bitsToDouble(), VT);
+        return getConstantFP(APFloat(Val), VT);
       break;
     case ISD::BSWAP:
       return getConstant(Val.byteSwap(), VT);
@@ -2816,6 +2819,24 @@ SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, EVT VT,
         if (ConstantFPSDNode *CFP = dyn_cast<ConstantFPSDNode>(N2))
           if (CFP->getValueAPF().isZero())
             return N1;
+      } else if (Opcode == ISD::FMUL) {
+        ConstantFPSDNode *CFP = dyn_cast<ConstantFPSDNode>(N1);
+        SDValue V = N2;
+
+        // If the first operand isn't the constant, try the second
+        if (!CFP) {
+          CFP = dyn_cast<ConstantFPSDNode>(N2);
+          V = N1;
+        }
+
+        if (CFP) {
+          // 0*x --> 0
+          if (CFP->isZero())
+            return SDValue(CFP,0);
+          // 1*x --> x
+          if (CFP->isExactlyValue(1.0))
+            return V;
+        }
       }
     }
     assert(VT.isFloatingPoint() && "This operator only applies to FP types!");
@@ -3430,7 +3451,7 @@ static bool FindOptimalMemOpLowering(std::vector<EVT> &MemOps,
                                    DAG.getMachineFunction());
 
   if (VT == MVT::Other) {
-    if (DstAlign >= TLI.getTargetData()->getPointerPrefAlignment() ||
+    if (DstAlign >= TLI.getDataLayout()->getPointerPrefAlignment() ||
         TLI.allowsUnalignedMemoryAccesses(VT)) {
       VT = TLI.getPointerTy();
     } else {
@@ -3498,7 +3519,7 @@ static SDValue getMemcpyLoadsAndStores(SelectionDAG &DAG, DebugLoc dl,
   bool DstAlignCanChange = false;
   MachineFunction &MF = DAG.getMachineFunction();
   MachineFrameInfo *MFI = MF.getFrameInfo();
-  bool OptSize = MF.getFunction()->hasFnAttr(Attribute::OptimizeForSize);
+  bool OptSize = MF.getFunction()->getFnAttributes().hasOptimizeForSizeAttr();
   FrameIndexSDNode *FI = dyn_cast<FrameIndexSDNode>(Dst);
   if (FI && !MFI->isFixedObjectIndex(FI->getIndex()))
     DstAlignCanChange = true;
@@ -3518,7 +3539,7 @@ static SDValue getMemcpyLoadsAndStores(SelectionDAG &DAG, DebugLoc dl,
 
   if (DstAlignCanChange) {
     Type *Ty = MemOps[0].getTypeForEVT(*DAG.getContext());
-    unsigned NewAlign = (unsigned) TLI.getTargetData()->getABITypeAlignment(Ty);
+    unsigned NewAlign = (unsigned) TLI.getDataLayout()->getABITypeAlignment(Ty);
     if (NewAlign > Align) {
       // Give the stack frame object a larger alignment if needed.
       if (MFI->getObjectAlignment(FI->getIndex()) < NewAlign)
@@ -3591,7 +3612,7 @@ static SDValue getMemmoveLoadsAndStores(SelectionDAG &DAG, DebugLoc dl,
   bool DstAlignCanChange = false;
   MachineFunction &MF = DAG.getMachineFunction();
   MachineFrameInfo *MFI = MF.getFrameInfo();
-  bool OptSize = MF.getFunction()->hasFnAttr(Attribute::OptimizeForSize);
+  bool OptSize = MF.getFunction()->getFnAttributes().hasOptimizeForSizeAttr();
   FrameIndexSDNode *FI = dyn_cast<FrameIndexSDNode>(Dst);
   if (FI && !MFI->isFixedObjectIndex(FI->getIndex()))
     DstAlignCanChange = true;
@@ -3607,7 +3628,7 @@ static SDValue getMemmoveLoadsAndStores(SelectionDAG &DAG, DebugLoc dl,
 
   if (DstAlignCanChange) {
     Type *Ty = MemOps[0].getTypeForEVT(*DAG.getContext());
-    unsigned NewAlign = (unsigned) TLI.getTargetData()->getABITypeAlignment(Ty);
+    unsigned NewAlign = (unsigned) TLI.getDataLayout()->getABITypeAlignment(Ty);
     if (NewAlign > Align) {
       // Give the stack frame object a larger alignment if needed.
       if (MFI->getObjectAlignment(FI->getIndex()) < NewAlign)
@@ -3669,7 +3690,7 @@ static SDValue getMemsetStores(SelectionDAG &DAG, DebugLoc dl,
   bool DstAlignCanChange = false;
   MachineFunction &MF = DAG.getMachineFunction();
   MachineFrameInfo *MFI = MF.getFrameInfo();
-  bool OptSize = MF.getFunction()->hasFnAttr(Attribute::OptimizeForSize);
+  bool OptSize = MF.getFunction()->getFnAttributes().hasOptimizeForSizeAttr();
   FrameIndexSDNode *FI = dyn_cast<FrameIndexSDNode>(Dst);
   if (FI && !MFI->isFixedObjectIndex(FI->getIndex()))
     DstAlignCanChange = true;
@@ -3682,7 +3703,7 @@ static SDValue getMemsetStores(SelectionDAG &DAG, DebugLoc dl,
 
   if (DstAlignCanChange) {
     Type *Ty = MemOps[0].getTypeForEVT(*DAG.getContext());
-    unsigned NewAlign = (unsigned) TLI.getTargetData()->getABITypeAlignment(Ty);
+    unsigned NewAlign = (unsigned) TLI.getDataLayout()->getABITypeAlignment(Ty);
     if (NewAlign > Align) {
       // Give the stack frame object a larger alignment if needed.
       if (MFI->getObjectAlignment(FI->getIndex()) < NewAlign)
@@ -3776,7 +3797,7 @@ SDValue SelectionDAG::getMemcpy(SDValue Chain, DebugLoc dl, SDValue Dst,
   // Emit a library call.
   TargetLowering::ArgListTy Args;
   TargetLowering::ArgListEntry Entry;
-  Entry.Ty = TLI.getTargetData()->getIntPtrType(*getContext());
+  Entry.Ty = TLI.getDataLayout()->getIntPtrType(*getContext());
   Entry.Node = Dst; Args.push_back(Entry);
   Entry.Node = Src; Args.push_back(Entry);
   Entry.Node = Size; Args.push_back(Entry);
@@ -3831,7 +3852,7 @@ SDValue SelectionDAG::getMemmove(SDValue Chain, DebugLoc dl, SDValue Dst,
   // Emit a library call.
   TargetLowering::ArgListTy Args;
   TargetLowering::ArgListEntry Entry;
-  Entry.Ty = TLI.getTargetData()->getIntPtrType(*getContext());
+  Entry.Ty = TLI.getDataLayout()->getIntPtrType(*getContext());
   Entry.Node = Dst; Args.push_back(Entry);
   Entry.Node = Src; Args.push_back(Entry);
   Entry.Node = Size; Args.push_back(Entry);
@@ -3880,7 +3901,7 @@ SDValue SelectionDAG::getMemset(SDValue Chain, DebugLoc dl, SDValue Dst,
     return Result;
 
   // Emit a library call.
-  Type *IntPtrTy = TLI.getTargetData()->getIntPtrType(*getContext());
+  Type *IntPtrTy = TLI.getDataLayout()->getIntPtrType(*getContext());
   TargetLowering::ArgListTy Args;
   TargetLowering::ArgListEntry Entry;
   Entry.Node = Dst; Entry.Ty = IntPtrTy;
@@ -6076,7 +6097,7 @@ unsigned SelectionDAG::InferPtrAlignment(SDValue Ptr) const {
     unsigned PtrWidth = TLI.getPointerTy().getSizeInBits();
     APInt KnownZero(PtrWidth, 0), KnownOne(PtrWidth, 0);
     llvm::ComputeMaskedBits(const_cast<GlobalValue*>(GV), KnownZero, KnownOne,
-                            TLI.getTargetData());
+                            TLI.getDataLayout());
     unsigned AlignBits = KnownZero.countTrailingOnes();
     unsigned Align = AlignBits ? 1 << std::min(31U, AlignBits) : 0;
     if (Align)