#include "llvm/Target/TargetRegisterInfo.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetLowering.h"
+#include "llvm/Target/TargetOptions.h"
#include "llvm/Target/TargetInstrInfo.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Support/CommandLine.h"
static void AddNodeIDOperands(FoldingSetNodeID &ID,
const SDUse *Ops, unsigned NumOps) {
for (; NumOps; --NumOps, ++Ops) {
- ID.AddPointer(Ops->getVal());
- ID.AddInteger(Ops->getSDValue().getResNo());
+ ID.AddPointer(Ops->getNode());
+ ID.AddInteger(Ops->getResNo());
}
}
}
case ISD::LOAD: {
const LoadSDNode *LD = cast<LoadSDNode>(N);
- ID.AddInteger(LD->getAddressingMode());
- ID.AddInteger(LD->getExtensionType());
ID.AddInteger(LD->getMemoryVT().getRawBits());
- ID.AddInteger(LD->getRawFlags());
+ ID.AddInteger(LD->getRawSubclassData());
break;
}
case ISD::STORE: {
const StoreSDNode *ST = cast<StoreSDNode>(N);
- ID.AddInteger(ST->getAddressingMode());
- ID.AddInteger(ST->isTruncatingStore());
ID.AddInteger(ST->getMemoryVT().getRawBits());
- ID.AddInteger(ST->getRawFlags());
+ ID.AddInteger(ST->getRawSubclassData());
break;
}
case ISD::ATOMIC_CMP_SWAP:
case ISD::ATOMIC_LOAD_UMIN:
case ISD::ATOMIC_LOAD_UMAX: {
const AtomicSDNode *AT = cast<AtomicSDNode>(N);
- ID.AddInteger(AT->getRawFlags());
+ ID.AddInteger(AT->getMemoryVT().getRawBits());
+ ID.AddInteger(AT->getRawSubclassData());
break;
}
} // end switch (N->getOpcode())
}
/// encodeMemSDNodeFlags - Generic routine for computing a value for use in
-/// the CSE map that carries both alignment and volatility information.
+/// the CSE map that carries alignment, volatility, indexing mode, and
+/// extension/truncation information.
///
static inline unsigned
-encodeMemSDNodeFlags(bool isVolatile, unsigned Alignment) {
- return isVolatile | ((Log2_32(Alignment) + 1) << 1);
+encodeMemSDNodeFlags(int ConvType, ISD::MemIndexedMode AM,
+ bool isVolatile, unsigned Alignment) {
+ assert((ConvType & 3) == ConvType &&
+ "ConvType may not require more than 2 bits!");
+ assert((AM & 7) == AM &&
+ "AM may not require more than 3 bits!");
+ return ConvType |
+ (AM << 2) |
+ (isVolatile << 5) |
+ ((Log2_32(Alignment) + 1) << 6);
}
//===----------------------------------------------------------------------===//
// Process the worklist, deleting the nodes and adding their uses to the
// worklist.
while (!DeadNodes.empty()) {
- SDNode *N = DeadNodes.back();
- DeadNodes.pop_back();
+ SDNode *N = DeadNodes.pop_back_val();
if (UpdateListener)
UpdateListener->NodeDeleted(N, 0);
// Next, brutally remove the operand list. This is safe to do, as there are
// no cycles in the graph.
- for (SDNode::op_iterator I = N->op_begin(), E = N->op_end(); I != E; ++I) {
- SDNode *Operand = I->getVal();
- Operand->removeUser(std::distance(N->op_begin(), I), N);
-
+ for (SDNode::op_iterator I = N->op_begin(), E = N->op_end(); I != E; ) {
+ SDUse &Use = *I++;
+ SDNode *Operand = Use.getNode();
+ Use.set(SDValue());
+
// Now that we removed this operand, see if there are no uses of it left.
if (Operand->use_empty())
DeadNodes.push_back(Operand);
}
- if (N->OperandsNeedDelete)
- delete[] N->OperandList;
-
- N->OperandList = 0;
- N->NumOperands = 0;
-
- // Finally, remove N itself.
- NodeAllocator.Deallocate(AllNodes.remove(N));
+ DeallocateNode(N);
}
}
}
void SelectionDAG::DeleteNode(SDNode *N) {
- assert(N->use_empty() && "Cannot delete a node that is not dead!");
-
// First take this out of the appropriate CSE map.
RemoveNodeFromCSEMaps(N);
}
void SelectionDAG::DeleteNodeNotInCSEMaps(SDNode *N) {
+ assert(N != AllNodes.begin() && "Cannot delete the entry node!");
+ assert(N->use_empty() && "Cannot delete a node that is not dead!");
+
// Drop all of the operands and decrement used node's use counts.
- for (SDNode::op_iterator I = N->op_begin(), E = N->op_end(); I != E; ++I)
- I->getVal()->removeUser(std::distance(N->op_begin(), I), N);
+ N->DropOperands();
+
+ DeallocateNode(N);
+}
- if (N->OperandsNeedDelete) {
+void SelectionDAG::DeallocateNode(SDNode *N) {
+ if (N->OperandsNeedDelete)
delete[] N->OperandList;
- N->OperandList = 0;
- }
- assert(N != AllNodes.begin());
+ // Set the opcode to DELETED_NODE to help catch bugs when node
+ // memory is reallocated.
+ N->NodeType = ISD::DELETED_NODE;
+
NodeAllocator.Deallocate(AllNodes.remove(N));
}
return Erased;
}
-/// AddNonLeafNodeToCSEMaps - Add the specified node back to the CSE maps. It
-/// has been taken out and modified in some way. If the specified node already
-/// exists in the CSE maps, do not modify the maps, but return the existing node
-/// instead. If it doesn't exist, add it and return null.
+/// AddModifiedNodeToCSEMaps - The specified node has been removed from the CSE
+/// maps and modified in place. Add it back to the CSE maps, unless an identical
+/// node already exists, in which case transfer all its users to the existing
+/// node. This transfer can potentially trigger recursive merging.
///
-SDNode *SelectionDAG::AddNonLeafNodeToCSEMaps(SDNode *N) {
- assert(N->getNumOperands() && "This is a leaf node!");
-
- if (doNotCSE(N))
- return 0;
+void
+SelectionDAG::AddModifiedNodeToCSEMaps(SDNode *N,
+ DAGUpdateListener *UpdateListener) {
+ // For node types that aren't CSE'd, just act as if no identical node
+ // already exists.
+ if (!doNotCSE(N)) {
+ SDNode *Existing = CSEMap.GetOrInsertNode(N);
+ if (Existing != N) {
+ // If there was already an existing matching node, use ReplaceAllUsesWith
+ // to replace the dead one with the existing one. This can cause
+ // recursive merging of other unrelated nodes down the line.
+ ReplaceAllUsesWith(N, Existing, UpdateListener);
+
+ // N is now dead. Inform the listener if it exists and delete it.
+ if (UpdateListener)
+ UpdateListener->NodeDeleted(N, Existing);
+ DeleteNodeNotInCSEMaps(N);
+ return;
+ }
+ }
- SDNode *New = CSEMap.GetOrInsertNode(N);
- if (New != N) return New; // Node already existed.
- return 0;
+ // If the node doesn't already exist, we updated it. Inform a listener if
+ // it exists.
+ if (UpdateListener)
+ UpdateListener->NodeUpdated(N);
}
/// FindModifiedNodeSlot - Find a slot for the specified node if its operands
// following checks at least makes it possible to legalize most of the time.
// MVT EltVT = N->getValueType(0).getVectorElementType();
// for (SDNode::op_iterator I = N->op_begin(), E = N->op_end(); I != E; ++I)
-// assert(I->getSDValue().getValueType() == EltVT &&
+// assert(I->getValueType() == EltVT &&
// "Wrong operand type!");
break;
}
}
SelectionDAG::SelectionDAG(TargetLowering &tli, FunctionLoweringInfo &fli)
- : TLI(tli), FLI(fli),
+ : TLI(tli), FLI(fli), DW(0),
EntryNode(ISD::EntryToken, getVTList(MVT::Other)),
Root(getEntryNode()) {
AllNodes.push_back(&EntryNode);
void SelectionDAG::allnodes_clear() {
assert(&*AllNodes.begin() == &EntryNode);
AllNodes.remove(AllNodes.begin());
- while (!AllNodes.empty()) {
- SDNode *N = AllNodes.remove(AllNodes.begin());
- N->SetNextInBucket(0);
-
- if (N->OperandsNeedDelete) {
- delete [] N->OperandList;
- N->OperandList = 0;
- }
-
- NodeAllocator.Deallocate(N);
- }
+ while (!AllNodes.empty())
+ DeallocateNode(AllNodes.begin());
}
void SelectionDAG::clear() {
std::fill(ValueTypeNodes.begin(), ValueTypeNodes.end(),
static_cast<SDNode*>(0));
- EntryNode.Uses = 0;
+ EntryNode.UseList = 0;
AllNodes.push_back(&EntryNode);
Root = getEntryNode();
}
getConstant(Imm, Op.getValueType()));
}
+SDValue SelectionDAG::getZeroExtendInReg(SDValue Op, DebugLoc DL, MVT VT) {
+ if (Op.getValueType() == VT) return Op;
+ APInt Imm = APInt::getLowBitsSet(Op.getValueSizeInBits(),
+ VT.getSizeInBits());
+ return getNode(ISD::AND, DL, Op.getValueType(), Op,
+ getConstant(Imm, Op.getValueType()));
+}
+
+/// getNOT - Create a bitwise NOT operation as (XOR Val, -1).
+///
+SDValue SelectionDAG::getNOT(DebugLoc DL, SDValue Val, MVT VT) {
+ SDValue NegOne;
+ if (VT.isVector()) {
+ MVT EltVT = VT.getVectorElementType();
+ SDValue NegOneElt =
+ getConstant(APInt::getAllOnesValue(EltVT.getSizeInBits()), EltVT);
+ std::vector<SDValue> NegOnes(VT.getVectorNumElements(), NegOneElt);
+ NegOne = getNode(ISD::BUILD_VECTOR, DL, VT, &NegOnes[0], NegOnes.size());
+ } else {
+ NegOne = getConstant(APInt::getAllOnesValue(VT.getSizeInBits()), VT);
+ }
+ return getNode(ISD::XOR, DL, VT, Val, NegOne);
+}
+
SDValue SelectionDAG::getConstant(uint64_t Val, MVT VT, bool isT) {
MVT EltVT = VT.isVector() ? VT.getVectorElementType() : VT;
+ assert((EltVT.getSizeInBits() >= 64 ||
+ (uint64_t)((int64_t)Val >> EltVT.getSizeInBits()) + 1 < 2) &&
+ "getConstant with a uint64_t value that doesn't fit in the type!");
return getConstant(APInt(EltVT.getSizeInBits(), Val), VT, isT);
}
ID.AddInteger(Offset);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
- return SDValue(E, 0);
+ return SDValue(E, 0);
SDNode *N = NodeAllocator.Allocate<GlobalAddressSDNode>();
new (N) GlobalAddressSDNode(isTargetGA, GV, VT, Offset);
CSEMap.InsertNode(N, IP);
return SDValue(N, 0);
}
-
SDValue SelectionDAG::getBasicBlock(MachineBasicBlock *MBB) {
FoldingSetNodeID ID;
AddNodeIDNode(ID, ISD::BasicBlock, getVTList(MVT::Other), 0, 0);
return SDValue(N, 0);
}
+SDValue SelectionDAG::getBasicBlock(MachineBasicBlock *MBB, DebugLoc dl) {
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, ISD::BasicBlock, getVTList(MVT::Other), 0, 0);
+ ID.AddPointer(MBB);
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<BasicBlockSDNode>();
+ new (N) BasicBlockSDNode(MBB, dl);
+ CSEMap.InsertNode(N, IP);
+ AllNodes.push_back(N);
+ return SDValue(N, 0);
+}
+
SDValue SelectionDAG::getArgFlags(ISD::ArgFlagsTy Flags) {
FoldingSetNodeID ID;
AddNodeIDNode(ID, ISD::ARG_FLAGS, getVTList(MVT::Other), 0, 0);
return SDValue(N, 0);
}
+SDValue SelectionDAG::getExternalSymbol(const char *Sym, DebugLoc dl, MVT VT) {
+ SDNode *&N = ExternalSymbols[Sym];
+ if (N) return SDValue(N, 0);
+ N = NodeAllocator.Allocate<ExternalSymbolSDNode>();
+ new (N) ExternalSymbolSDNode(false, dl, Sym, VT);
+ AllNodes.push_back(N);
+ return SDValue(N, 0);
+}
+
SDValue SelectionDAG::getTargetExternalSymbol(const char *Sym, MVT VT) {
SDNode *&N = TargetExternalSymbols[Sym];
if (N) return SDValue(N, 0);
return SDValue(N, 0);
}
+SDValue SelectionDAG::getTargetExternalSymbol(const char *Sym, DebugLoc dl,
+ MVT VT) {
+ SDNode *&N = TargetExternalSymbols[Sym];
+ if (N) return SDValue(N, 0);
+ N = NodeAllocator.Allocate<ExternalSymbolSDNode>();
+ new (N) ExternalSymbolSDNode(true, dl, Sym, VT);
+ AllNodes.push_back(N);
+ return SDValue(N, 0);
+}
+
SDValue SelectionDAG::getCondCode(ISD::CondCode Cond) {
if ((unsigned)Cond >= CondCodeNodes.size())
CondCodeNodes.resize(Cond+1);
return SDValue(CondCodeNodes[Cond], 0);
}
-SDValue SelectionDAG::getConvertRndSat(MVT VT, SDValue Val, SDValue DTy,
+SDValue SelectionDAG::getConvertRndSat(MVT VT, DebugLoc dl,
+ SDValue Val, SDValue DTy,
SDValue STy, SDValue Rnd, SDValue Sat,
ISD::CvtCode Code) {
// If the src and dest types are the same, no conversion is necessary.
return SDValue(E, 0);
CvtRndSatSDNode *N = NodeAllocator.Allocate<CvtRndSatSDNode>();
SDValue Ops[] = { Val, DTy, STy, Rnd, Sat };
- new (N) CvtRndSatSDNode(VT, Ops, 5, Code);
+ new (N) CvtRndSatSDNode(VT, dl, Ops, 5, Code);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
return SDValue(N, 0);
return SDValue(N, 0);
}
-SDValue SelectionDAG::getLabel(unsigned Opcode,
+SDValue SelectionDAG::getLabel(unsigned Opcode, DebugLoc dl,
SDValue Root,
unsigned LabelID) {
FoldingSetNodeID ID;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
return SDValue(E, 0);
SDNode *N = NodeAllocator.Allocate<LabelSDNode>();
- new (N) LabelSDNode(Opcode, Root, LabelID);
+ new (N) LabelSDNode(Opcode, dl, Root, LabelID);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
return SDValue(N, 0);
return SDValue(N, 0);
}
+/// getShiftAmountOperand - Return the specified value casted to
+/// the target's desired shift amount type.
+SDValue SelectionDAG::getShiftAmountOperand(SDValue Op) {
+ MVT OpTy = Op.getValueType();
+ MVT ShTy = TLI.getShiftAmountTy();
+ if (OpTy == ShTy || OpTy.isVector()) return Op;
+
+ ISD::NodeType Opcode = OpTy.bitsGT(ShTy) ? ISD::TRUNCATE : ISD::ZERO_EXTEND;
+ return getNode(Opcode, ShTy, Op);
+}
+
/// CreateStackTemporary - Create a stack temporary, suitable for holding the
/// specified value type.
SDValue SelectionDAG::CreateStackTemporary(MVT VT, unsigned minAlign) {
}
SDValue SelectionDAG::FoldSetCC(MVT VT, SDValue N1,
- SDValue N2, ISD::CondCode Cond) {
+ SDValue N2, ISD::CondCode Cond, DebugLoc dl) {
// These setcc operations always fold.
switch (Cond) {
default: break;
switch (Cond) {
default: break;
case ISD::SETEQ: if (R==APFloat::cmpUnordered)
- return getNode(ISD::UNDEF, VT);
+ return getNode(ISD::UNDEF, dl, VT);
// fall through
case ISD::SETOEQ: return getConstant(R==APFloat::cmpEqual, VT);
case ISD::SETNE: if (R==APFloat::cmpUnordered)
- return getNode(ISD::UNDEF, VT);
+ return getNode(ISD::UNDEF, dl, VT);
// fall through
case ISD::SETONE: return getConstant(R==APFloat::cmpGreaterThan ||
R==APFloat::cmpLessThan, VT);
case ISD::SETLT: if (R==APFloat::cmpUnordered)
- return getNode(ISD::UNDEF, VT);
+ return getNode(ISD::UNDEF, dl, VT);
// fall through
case ISD::SETOLT: return getConstant(R==APFloat::cmpLessThan, VT);
case ISD::SETGT: if (R==APFloat::cmpUnordered)
- return getNode(ISD::UNDEF, VT);
+ return getNode(ISD::UNDEF, dl, VT);
// fall through
case ISD::SETOGT: return getConstant(R==APFloat::cmpGreaterThan, VT);
case ISD::SETLE: if (R==APFloat::cmpUnordered)
- return getNode(ISD::UNDEF, VT);
+ return getNode(ISD::UNDEF, dl, VT);
// fall through
case ISD::SETOLE: return getConstant(R==APFloat::cmpLessThan ||
R==APFloat::cmpEqual, VT);
case ISD::SETGE: if (R==APFloat::cmpUnordered)
- return getNode(ISD::UNDEF, VT);
+ return getNode(ISD::UNDEF, dl, VT);
// fall through
case ISD::SETOGE: return getConstant(R==APFloat::cmpGreaterThan ||
R==APFloat::cmpEqual, VT);
}
} else {
// Ensure that the constant occurs on the RHS.
- return getSetCC(VT, N2, N1, ISD::getSetCCSwappedOperands(Cond));
+ return getSetCC(dl, VT, N2, N1, ISD::getSetCCSwappedOperands(Cond));
}
}
/// element of the result of the vector shuffle.
SDValue SelectionDAG::getShuffleScalarElt(const SDNode *N, unsigned i) {
MVT VT = N->getValueType(0);
+ DebugLoc dl = N->getDebugLoc();
SDValue PermMask = N->getOperand(2);
SDValue Idx = PermMask.getOperand(i);
if (Idx.getOpcode() == ISD::UNDEF)
- return getNode(ISD::UNDEF, VT.getVectorElementType());
+ return getNode(ISD::UNDEF, dl, VT.getVectorElementType());
unsigned Index = cast<ConstantSDNode>(Idx)->getZExtValue();
unsigned NumElems = PermMask.getNumOperands();
SDValue V = (Index < NumElems) ? N->getOperand(0) : N->getOperand(1);
}
if (V.getOpcode() == ISD::SCALAR_TO_VECTOR)
return (Index == 0) ? V.getOperand(0)
- : getNode(ISD::UNDEF, VT.getVectorElementType());
+ : getNode(ISD::UNDEF, dl, VT.getVectorElementType());
if (V.getOpcode() == ISD::BUILD_VECTOR)
return V.getOperand(Index);
if (V.getOpcode() == ISD::VECTOR_SHUFFLE)
/// getNode - Gets or creates the specified node.
///
SDValue SelectionDAG::getNode(unsigned Opcode, MVT VT) {
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), VT);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, MVT VT) {
FoldingSetNodeID ID;
AddNodeIDNode(ID, Opcode, getVTList(VT), 0, 0);
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
return SDValue(E, 0);
SDNode *N = NodeAllocator.Allocate<SDNode>();
- new (N) SDNode(Opcode, SDNode::getSDVTList(VT));
+ new (N) SDNode(Opcode, DL, SDNode::getSDVTList(VT));
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
}
SDValue SelectionDAG::getNode(unsigned Opcode, MVT VT, SDValue Operand) {
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), VT, Operand);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL,
+ MVT VT, SDValue Operand) {
// Constant fold unary operations with an integer constant operand.
if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Operand.getNode())) {
const APInt &Val = C->getAPIntValue();
Operand.getValueType().isFloatingPoint() && "Invalid FP cast!");
if (Operand.getValueType() == VT) return Operand; // noop conversion.
if (Operand.getOpcode() == ISD::UNDEF)
- return getNode(ISD::UNDEF, VT);
+ return getNode(ISD::UNDEF, DL, VT);
break;
case ISD::SIGN_EXTEND:
assert(VT.isInteger() && Operand.getValueType().isInteger() &&
assert(Operand.getValueType().bitsLT(VT)
&& "Invalid sext node, dst < src!");
if (OpOpcode == ISD::SIGN_EXTEND || OpOpcode == ISD::ZERO_EXTEND)
- return getNode(OpOpcode, VT, Operand.getNode()->getOperand(0));
+ return getNode(OpOpcode, DL, VT, Operand.getNode()->getOperand(0));
break;
case ISD::ZERO_EXTEND:
assert(VT.isInteger() && Operand.getValueType().isInteger() &&
assert(Operand.getValueType().bitsLT(VT)
&& "Invalid zext node, dst < src!");
if (OpOpcode == ISD::ZERO_EXTEND) // (zext (zext x)) -> (zext x)
- return getNode(ISD::ZERO_EXTEND, VT, Operand.getNode()->getOperand(0));
+ return getNode(ISD::ZERO_EXTEND, DL, VT,
+ Operand.getNode()->getOperand(0));
break;
case ISD::ANY_EXTEND:
assert(VT.isInteger() && Operand.getValueType().isInteger() &&
&& "Invalid anyext node, dst < src!");
if (OpOpcode == ISD::ZERO_EXTEND || OpOpcode == ISD::SIGN_EXTEND)
// (ext (zext x)) -> (zext x) and (ext (sext x)) -> (sext x)
- return getNode(OpOpcode, VT, Operand.getNode()->getOperand(0));
+ return getNode(OpOpcode, DL, VT, Operand.getNode()->getOperand(0));
break;
case ISD::TRUNCATE:
assert(VT.isInteger() && Operand.getValueType().isInteger() &&
assert(Operand.getValueType().bitsGT(VT)
&& "Invalid truncate node, src < dst!");
if (OpOpcode == ISD::TRUNCATE)
- return getNode(ISD::TRUNCATE, VT, Operand.getNode()->getOperand(0));
+ return getNode(ISD::TRUNCATE, DL, VT, Operand.getNode()->getOperand(0));
else if (OpOpcode == ISD::ZERO_EXTEND || OpOpcode == ISD::SIGN_EXTEND ||
OpOpcode == ISD::ANY_EXTEND) {
// If the source is smaller than the dest, we still need an extend.
if (Operand.getNode()->getOperand(0).getValueType().bitsLT(VT))
- return getNode(OpOpcode, VT, Operand.getNode()->getOperand(0));
+ return getNode(OpOpcode, DL, VT, Operand.getNode()->getOperand(0));
else if (Operand.getNode()->getOperand(0).getValueType().bitsGT(VT))
- return getNode(ISD::TRUNCATE, VT, Operand.getNode()->getOperand(0));
+ return getNode(ISD::TRUNCATE, DL, VT, Operand.getNode()->getOperand(0));
else
return Operand.getNode()->getOperand(0);
}
&& "Cannot BIT_CONVERT between types of different sizes!");
if (VT == Operand.getValueType()) return Operand; // noop conversion.
if (OpOpcode == ISD::BIT_CONVERT) // bitconv(bitconv(x)) -> bitconv(x)
- return getNode(ISD::BIT_CONVERT, VT, Operand.getOperand(0));
+ return getNode(ISD::BIT_CONVERT, DL, VT, Operand.getOperand(0));
if (OpOpcode == ISD::UNDEF)
- return getNode(ISD::UNDEF, VT);
+ return getNode(ISD::UNDEF, DL, VT);
break;
case ISD::SCALAR_TO_VECTOR:
assert(VT.isVector() && !Operand.getValueType().isVector() &&
VT.getVectorElementType() == Operand.getValueType() &&
"Illegal SCALAR_TO_VECTOR node!");
if (OpOpcode == ISD::UNDEF)
- return getNode(ISD::UNDEF, VT);
+ return getNode(ISD::UNDEF, DL, VT);
// scalar_to_vector(extract_vector_elt V, 0) -> V, top bits are undefined.
if (OpOpcode == ISD::EXTRACT_VECTOR_ELT &&
isa<ConstantSDNode>(Operand.getOperand(1)) &&
return Operand.getOperand(0);
break;
case ISD::FNEG:
- if (OpOpcode == ISD::FSUB) // -(X-Y) -> (Y-X)
- return getNode(ISD::FSUB, VT, Operand.getNode()->getOperand(1),
+ // -(X-Y) -> (Y-X) is unsafe because when X==Y, -0.0 != +0.0
+ if (UnsafeFPMath && OpOpcode == ISD::FSUB)
+ return getNode(ISD::FSUB, DL, VT, Operand.getNode()->getOperand(1),
Operand.getNode()->getOperand(0));
if (OpOpcode == ISD::FNEG) // --X -> X
return Operand.getNode()->getOperand(0);
break;
case ISD::FABS:
if (OpOpcode == ISD::FNEG) // abs(-X) -> abs(X)
- return getNode(ISD::FABS, VT, Operand.getNode()->getOperand(0));
+ return getNode(ISD::FABS, DL, VT, Operand.getNode()->getOperand(0));
break;
}
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
return SDValue(E, 0);
N = NodeAllocator.Allocate<UnarySDNode>();
- new (N) UnarySDNode(Opcode, VTs, Operand);
+ new (N) UnarySDNode(Opcode, DL, VTs, Operand);
CSEMap.InsertNode(N, IP);
} else {
N = NodeAllocator.Allocate<UnarySDNode>();
- new (N) UnarySDNode(Opcode, VTs, Operand);
+ new (N) UnarySDNode(Opcode, DL, VTs, Operand);
}
AllNodes.push_back(N);
SDValue SelectionDAG::getNode(unsigned Opcode, MVT VT,
SDValue N1, SDValue N2) {
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), VT, N1, N2);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, MVT VT,
+ SDValue N1, SDValue N2) {
ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.getNode());
ConstantSDNode *N2C = dyn_cast<ConstantSDNode>(N2.getNode());
switch (Opcode) {
N2.getOpcode() == ISD::BUILD_VECTOR) {
SmallVector<SDValue, 16> Elts(N1.getNode()->op_begin(), N1.getNode()->op_end());
Elts.insert(Elts.end(), N2.getNode()->op_begin(), N2.getNode()->op_end());
- return getNode(ISD::BUILD_VECTOR, VT, &Elts[0], Elts.size());
+ return getNode(ISD::BUILD_VECTOR, DL, VT, &Elts[0], Elts.size());
}
break;
case ISD::AND:
case ISD::UREM:
case ISD::MULHU:
case ISD::MULHS:
- assert(VT.isInteger() && "This operator does not apply to FP types!");
- // fall through
case ISD::MUL:
case ISD::SDIV:
case ISD::SREM:
+ assert(VT.isInteger() && "This operator does not apply to FP types!");
+ // fall through
case ISD::FADD:
case ISD::FSUB:
case ISD::FMUL:
case ISD::FDIV:
case ISD::FREM:
+ if (UnsafeFPMath) {
+ if (Opcode == ISD::FADD) {
+ // 0+x --> x
+ if (ConstantFPSDNode *CFP = dyn_cast<ConstantFPSDNode>(N1))
+ if (CFP->getValueAPF().isZero())
+ return N2;
+ // x+0 --> x
+ if (ConstantFPSDNode *CFP = dyn_cast<ConstantFPSDNode>(N2))
+ if (CFP->getValueAPF().isZero())
+ return N1;
+ } else if (Opcode == ISD::FSUB) {
+ // x-0 --> x
+ if (ConstantFPSDNode *CFP = dyn_cast<ConstantFPSDNode>(N2))
+ if (CFP->getValueAPF().isZero())
+ return N1;
+ }
+ }
assert(N1.getValueType() == N2.getValueType() &&
N1.getValueType() == VT && "Binary operator types must match!");
break;
"Shift operators return type must be the same as their first arg");
assert(VT.isInteger() && N2.getValueType().isInteger() &&
"Shifts only work on integers");
- assert((N2.getValueType() == TLI.getShiftAmountTy() ||
- (N2.getValueType().isVector() && N2.getValueType().isInteger())) &&
- "Wrong type for shift amount");
// Always fold shifts of i1 values so the code generator doesn't need to
// handle them. Since we know the size of the shift has to be less than the
case ISD::EXTRACT_VECTOR_ELT:
// EXTRACT_VECTOR_ELT of an UNDEF is an UNDEF.
if (N1.getOpcode() == ISD::UNDEF)
- return getNode(ISD::UNDEF, VT);
+ return getNode(ISD::UNDEF, DL, VT);
// EXTRACT_VECTOR_ELT of CONCAT_VECTORS is often formed while lowering is
// expanding copies of large vectors from registers.
N1.getNumOperands() > 0) {
unsigned Factor =
N1.getOperand(0).getValueType().getVectorNumElements();
- return getNode(ISD::EXTRACT_VECTOR_ELT, VT,
+ return getNode(ISD::EXTRACT_VECTOR_ELT, DL, VT,
N1.getOperand(N2C->getZExtValue() / Factor),
getConstant(N2C->getZExtValue() % Factor,
N2.getValueType()));
// EXTRACT_VECTOR_ELT of INSERT_VECTOR_ELT is often formed when vector
// operations are lowered to scalars.
if (N1.getOpcode() == ISD::INSERT_VECTOR_ELT) {
+ // If the indices are the same, return the inserted element.
if (N1.getOperand(2) == N2)
return N1.getOperand(1);
- else
- return getNode(ISD::EXTRACT_VECTOR_ELT, VT, N1.getOperand(0), N2);
+ // If the indices are known different, extract the element from
+ // the original vector.
+ else if (isa<ConstantSDNode>(N1.getOperand(2)) &&
+ isa<ConstantSDNode>(N2))
+ return getNode(ISD::EXTRACT_VECTOR_ELT, DL, VT, N1.getOperand(0), N2);
}
break;
case ISD::EXTRACT_ELEMENT:
return N1;
case ISD::OR:
if (!VT.isVector())
- return getConstant(VT.getIntegerVTBitMask(), VT);
+ return getConstant(APInt::getAllOnesValue(VT.getSizeInBits()), VT);
// For vectors, we can't easily build an all one vector, just return
// the LHS.
return N1;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
return SDValue(E, 0);
N = NodeAllocator.Allocate<BinarySDNode>();
- new (N) BinarySDNode(Opcode, VTs, N1, N2);
+ new (N) BinarySDNode(Opcode, DL, VTs, N1, N2);
CSEMap.InsertNode(N, IP);
} else {
N = NodeAllocator.Allocate<BinarySDNode>();
- new (N) BinarySDNode(Opcode, VTs, N1, N2);
+ new (N) BinarySDNode(Opcode, DL, VTs, N1, N2);
}
AllNodes.push_back(N);
SDValue SelectionDAG::getNode(unsigned Opcode, MVT VT,
SDValue N1, SDValue N2, SDValue N3) {
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), VT, N1, N2, N3);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, MVT VT,
+ SDValue N1, SDValue N2, SDValue N3) {
// Perform various simplifications.
ConstantSDNode *N1C = dyn_cast<ConstantSDNode>(N1.getNode());
ConstantSDNode *N2C = dyn_cast<ConstantSDNode>(N2.getNode());
SmallVector<SDValue, 16> Elts(N1.getNode()->op_begin(), N1.getNode()->op_end());
Elts.insert(Elts.end(), N2.getNode()->op_begin(), N2.getNode()->op_end());
Elts.insert(Elts.end(), N3.getNode()->op_begin(), N3.getNode()->op_end());
- return getNode(ISD::BUILD_VECTOR, VT, &Elts[0], Elts.size());
+ return getNode(ISD::BUILD_VECTOR, DL, VT, &Elts[0], Elts.size());
}
break;
case ISD::SETCC: {
// Use FoldSetCC to simplify SETCC's.
- SDValue Simp = FoldSetCC(VT, N1, N2, cast<CondCodeSDNode>(N3)->get());
+ SDValue Simp = FoldSetCC(VT, N1, N2, cast<CondCodeSDNode>(N3)->get(), DL);
if (Simp.getNode()) return Simp;
break;
}
case ISD::BRCOND:
if (N2C) {
if (N2C->getZExtValue()) // Unconditional branch
- return getNode(ISD::BR, MVT::Other, N1, N3);
+ return getNode(ISD::BR, DL, MVT::Other, N1, N3);
else
return N1; // Never-taken branch
}
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
return SDValue(E, 0);
N = NodeAllocator.Allocate<TernarySDNode>();
- new (N) TernarySDNode(Opcode, VTs, N1, N2, N3);
+ new (N) TernarySDNode(Opcode, DL, VTs, N1, N2, N3);
CSEMap.InsertNode(N, IP);
} else {
N = NodeAllocator.Allocate<TernarySDNode>();
- new (N) TernarySDNode(Opcode, VTs, N1, N2, N3);
+ new (N) TernarySDNode(Opcode, DL, VTs, N1, N2, N3);
}
AllNodes.push_back(N);
#ifndef NDEBUG
SDValue SelectionDAG::getNode(unsigned Opcode, MVT VT,
SDValue N1, SDValue N2, SDValue N3,
SDValue N4) {
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), VT, N1, N2, N3, N4);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, MVT VT,
+ SDValue N1, SDValue N2, SDValue N3,
+ SDValue N4) {
SDValue Ops[] = { N1, N2, N3, N4 };
- return getNode(Opcode, VT, Ops, 4);
+ return getNode(Opcode, DL, VT, Ops, 4);
}
SDValue SelectionDAG::getNode(unsigned Opcode, MVT VT,
SDValue N1, SDValue N2, SDValue N3,
SDValue N4, SDValue N5) {
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), VT, N1, N2, N3, N4, N5);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, MVT VT,
+ SDValue N1, SDValue N2, SDValue N3,
+ SDValue N4, SDValue N5) {
SDValue Ops[] = { N1, N2, N3, N4, N5 };
- return getNode(Opcode, VT, Ops, 5);
+ return getNode(Opcode, DL, VT, Ops, 5);
}
/// getMemsetValue - Vectorized representation of the memset value
/// operand.
-static SDValue getMemsetValue(SDValue Value, MVT VT, SelectionDAG &DAG) {
+static SDValue getMemsetValue(SDValue Value, MVT VT, SelectionDAG &DAG,
+ DebugLoc dl) {
unsigned NumBits = VT.isVector() ?
VT.getVectorElementType().getSizeInBits() : VT.getSizeInBits();
if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Value)) {
}
const TargetLowering &TLI = DAG.getTargetLoweringInfo();
- Value = DAG.getNode(ISD::ZERO_EXTEND, VT, Value);
+ Value = DAG.getNode(ISD::ZERO_EXTEND, dl, VT, Value);
unsigned Shift = 8;
for (unsigned i = NumBits; i > 8; i >>= 1) {
- Value = DAG.getNode(ISD::OR, VT,
- DAG.getNode(ISD::SHL, VT, Value,
+ Value = DAG.getNode(ISD::OR, dl, VT,
+ DAG.getNode(ISD::SHL, dl, VT, Value,
DAG.getConstant(Shift,
TLI.getShiftAmountTy())),
Value);
/// getMemsetStringVal - Similar to getMemsetValue. Except this is only
/// used when a memcpy is turned into a memset when the source is a constant
/// string ptr.
-static SDValue getMemsetStringVal(MVT VT, SelectionDAG &DAG,
+static SDValue getMemsetStringVal(MVT VT, DebugLoc dl, SelectionDAG &DAG,
const TargetLowering &TLI,
std::string &Str, unsigned Offset) {
// Handle vector with all elements zero.
return DAG.getConstant(0, VT);
unsigned NumElts = VT.getVectorNumElements();
MVT EltVT = (VT.getVectorElementType() == MVT::f32) ? MVT::i32 : MVT::i64;
- return DAG.getNode(ISD::BIT_CONVERT, VT,
+ return DAG.getNode(ISD::BIT_CONVERT, dl, VT,
DAG.getConstant(0, MVT::getVectorVT(EltVT, NumElts)));
}
static SDValue getMemBasePlusOffset(SDValue Base, unsigned Offset,
SelectionDAG &DAG) {
MVT VT = Base.getValueType();
- return DAG.getNode(ISD::ADD, VT, Base, DAG.getConstant(Offset, VT));
+ return DAG.getNode(ISD::ADD, Base.getNode()->getDebugLoc(),
+ VT, Base, DAG.getConstant(Offset, VT));
}
/// isMemSrcFromString - Returns true if memcpy source is a string constant.
return true;
}
-static SDValue getMemcpyLoadsAndStores(SelectionDAG &DAG,
+static SDValue getMemcpyLoadsAndStores(SelectionDAG &DAG, DebugLoc dl,
SDValue Chain, SDValue Dst,
SDValue Src, uint64_t Size,
unsigned Align, bool AlwaysInline,
// We also handle store a vector with all zero's.
// FIXME: Handle other cases where store of vector immediate is done in
// a single instruction.
- Value = getMemsetStringVal(VT, DAG, TLI, Str, SrcOff);
- Store = DAG.getStore(Chain, Value,
+ Value = getMemsetStringVal(VT, dl, DAG, TLI, Str, SrcOff);
+ Store = DAG.getStore(Chain, dl, Value,
getMemBasePlusOffset(Dst, DstOff, DAG),
DstSV, DstSVOff + DstOff, false, DstAlign);
} else {
- Value = DAG.getLoad(VT, Chain,
+ Value = DAG.getLoad(VT, dl, Chain,
getMemBasePlusOffset(Src, SrcOff, DAG),
SrcSV, SrcSVOff + SrcOff, false, Align);
- Store = DAG.getStore(Chain, Value,
+ Store = DAG.getStore(Chain, dl, Value,
getMemBasePlusOffset(Dst, DstOff, DAG),
DstSV, DstSVOff + DstOff, false, DstAlign);
}
DstOff += VTSize;
}
- return DAG.getNode(ISD::TokenFactor, MVT::Other,
+ return DAG.getNode(ISD::TokenFactor, dl, MVT::Other,
&OutChains[0], OutChains.size());
}
-static SDValue getMemmoveLoadsAndStores(SelectionDAG &DAG,
+static SDValue getMemmoveLoadsAndStores(SelectionDAG &DAG, DebugLoc dl,
SDValue Chain, SDValue Dst,
SDValue Src, uint64_t Size,
unsigned Align, bool AlwaysInline,
unsigned VTSize = VT.getSizeInBits() / 8;
SDValue Value, Store;
- Value = DAG.getLoad(VT, Chain,
+ Value = DAG.getLoad(VT, dl, Chain,
getMemBasePlusOffset(Src, SrcOff, DAG),
SrcSV, SrcSVOff + SrcOff, false, Align);
LoadValues.push_back(Value);
LoadChains.push_back(Value.getValue(1));
SrcOff += VTSize;
}
- Chain = DAG.getNode(ISD::TokenFactor, MVT::Other,
+ Chain = DAG.getNode(ISD::TokenFactor, dl, MVT::Other,
&LoadChains[0], LoadChains.size());
OutChains.clear();
for (unsigned i = 0; i < NumMemOps; i++) {
unsigned VTSize = VT.getSizeInBits() / 8;
SDValue Value, Store;
- Store = DAG.getStore(Chain, LoadValues[i],
+ Store = DAG.getStore(Chain, dl, LoadValues[i],
getMemBasePlusOffset(Dst, DstOff, DAG),
DstSV, DstSVOff + DstOff, false, DstAlign);
OutChains.push_back(Store);
DstOff += VTSize;
}
- return DAG.getNode(ISD::TokenFactor, MVT::Other,
+ return DAG.getNode(ISD::TokenFactor, dl, MVT::Other,
&OutChains[0], OutChains.size());
}
-static SDValue getMemsetStores(SelectionDAG &DAG,
+static SDValue getMemsetStores(SelectionDAG &DAG, DebugLoc dl,
SDValue Chain, SDValue Dst,
SDValue Src, uint64_t Size,
unsigned Align,
for (unsigned i = 0; i < NumMemOps; i++) {
MVT VT = MemOps[i];
unsigned VTSize = VT.getSizeInBits() / 8;
- SDValue Value = getMemsetValue(Src, VT, DAG);
- SDValue Store = DAG.getStore(Chain, Value,
+ SDValue Value = getMemsetValue(Src, VT, DAG, dl);
+ SDValue Store = DAG.getStore(Chain, dl, Value,
getMemBasePlusOffset(Dst, DstOff, DAG),
DstSV, DstSVOff + DstOff);
OutChains.push_back(Store);
DstOff += VTSize;
}
- return DAG.getNode(ISD::TokenFactor, MVT::Other,
+ return DAG.getNode(ISD::TokenFactor, dl, MVT::Other,
&OutChains[0], OutChains.size());
}
-SDValue SelectionDAG::getMemcpy(SDValue Chain, SDValue Dst,
+SDValue SelectionDAG::getMemcpy(SDValue Chain, DebugLoc dl, SDValue Dst,
SDValue Src, SDValue Size,
unsigned Align, bool AlwaysInline,
const Value *DstSV, uint64_t DstSVOff,
return Chain;
SDValue Result =
- getMemcpyLoadsAndStores(*this, Chain, Dst, Src,
+ getMemcpyLoadsAndStores(*this, dl, Chain, Dst, Src,
ConstantSize->getZExtValue(),
Align, false, DstSV, DstSVOff, SrcSV, SrcSVOff);
if (Result.getNode())
// Then check to see if we should lower the memcpy with target-specific
// code. If the target chooses to do this, this is the next best.
SDValue Result =
- TLI.EmitTargetCodeForMemcpy(*this, Chain, Dst, Src, Size, Align,
+ TLI.EmitTargetCodeForMemcpy(*this, dl, Chain, Dst, Src, Size, Align,
AlwaysInline,
DstSV, DstSVOff, SrcSV, SrcSVOff);
if (Result.getNode())
// use a (potentially long) sequence of loads and stores.
if (AlwaysInline) {
assert(ConstantSize && "AlwaysInline requires a constant size!");
- return getMemcpyLoadsAndStores(*this, Chain, Dst, Src,
+ return getMemcpyLoadsAndStores(*this, dl, Chain, Dst, Src,
ConstantSize->getZExtValue(), Align, true,
DstSV, DstSVOff, SrcSV, SrcSVOff);
}
Entry.Node = Dst; Args.push_back(Entry);
Entry.Node = Src; Args.push_back(Entry);
Entry.Node = Size; Args.push_back(Entry);
+ // FIXME: pass in DebugLoc
std::pair<SDValue,SDValue> CallResult =
TLI.LowerCallTo(Chain, Type::VoidTy,
false, false, false, false, CallingConv::C, false,
getExternalSymbol("memcpy", TLI.getPointerTy()),
- Args, *this);
+ Args, *this, dl);
return CallResult.second;
}
-SDValue SelectionDAG::getMemmove(SDValue Chain, SDValue Dst,
+SDValue SelectionDAG::getMemmove(SDValue Chain, DebugLoc dl, SDValue Dst,
SDValue Src, SDValue Size,
unsigned Align,
const Value *DstSV, uint64_t DstSVOff,
return Chain;
SDValue Result =
- getMemmoveLoadsAndStores(*this, Chain, Dst, Src,
+ getMemmoveLoadsAndStores(*this, dl, Chain, Dst, Src,
ConstantSize->getZExtValue(),
Align, false, DstSV, DstSVOff, SrcSV, SrcSVOff);
if (Result.getNode())
// Then check to see if we should lower the memmove with target-specific
// code. If the target chooses to do this, this is the next best.
SDValue Result =
- TLI.EmitTargetCodeForMemmove(*this, Chain, Dst, Src, Size, Align,
+ TLI.EmitTargetCodeForMemmove(*this, dl, Chain, Dst, Src, Size, Align,
DstSV, DstSVOff, SrcSV, SrcSVOff);
if (Result.getNode())
return Result;
Entry.Node = Dst; Args.push_back(Entry);
Entry.Node = Src; Args.push_back(Entry);
Entry.Node = Size; Args.push_back(Entry);
+ // FIXME: pass in DebugLoc
std::pair<SDValue,SDValue> CallResult =
TLI.LowerCallTo(Chain, Type::VoidTy,
false, false, false, false, CallingConv::C, false,
getExternalSymbol("memmove", TLI.getPointerTy()),
- Args, *this);
+ Args, *this, dl);
return CallResult.second;
}
-SDValue SelectionDAG::getMemset(SDValue Chain, SDValue Dst,
+SDValue SelectionDAG::getMemset(SDValue Chain, DebugLoc dl, SDValue Dst,
SDValue Src, SDValue Size,
unsigned Align,
const Value *DstSV, uint64_t DstSVOff) {
return Chain;
SDValue Result =
- getMemsetStores(*this, Chain, Dst, Src, ConstantSize->getZExtValue(),
+ getMemsetStores(*this, dl, Chain, Dst, Src, ConstantSize->getZExtValue(),
Align, DstSV, DstSVOff);
if (Result.getNode())
return Result;
// Then check to see if we should lower the memset with target-specific
// code. If the target chooses to do this, this is the next best.
SDValue Result =
- TLI.EmitTargetCodeForMemset(*this, Chain, Dst, Src, Size, Align,
+ TLI.EmitTargetCodeForMemset(*this, dl, Chain, Dst, Src, Size, Align,
DstSV, DstSVOff);
if (Result.getNode())
return Result;
Args.push_back(Entry);
// Extend or truncate the argument to be an i32 value for the call.
if (Src.getValueType().bitsGT(MVT::i32))
- Src = getNode(ISD::TRUNCATE, MVT::i32, Src);
+ Src = getNode(ISD::TRUNCATE, dl, MVT::i32, Src);
else
- Src = getNode(ISD::ZERO_EXTEND, MVT::i32, Src);
+ Src = getNode(ISD::ZERO_EXTEND, dl, MVT::i32, Src);
Entry.Node = Src; Entry.Ty = Type::Int32Ty; Entry.isSExt = true;
Args.push_back(Entry);
Entry.Node = Size; Entry.Ty = IntPtrTy; Entry.isSExt = false;
Args.push_back(Entry);
+ // FIXME: pass in DebugLoc
std::pair<SDValue,SDValue> CallResult =
TLI.LowerCallTo(Chain, Type::VoidTy,
false, false, false, false, CallingConv::C, false,
getExternalSymbol("memset", TLI.getPointerTy()),
- Args, *this);
+ Args, *this, dl);
return CallResult.second;
}
-SDValue SelectionDAG::getAtomic(unsigned Opcode, MVT MemVT,
+SDValue SelectionDAG::getAtomic(unsigned Opcode, DebugLoc dl, MVT MemVT,
SDValue Chain,
SDValue Ptr, SDValue Cmp,
SDValue Swp, const Value* PtrVal,
SDVTList VTs = getVTList(VT, MVT::Other);
FoldingSetNodeID ID;
+ ID.AddInteger(MemVT.getRawBits());
SDValue Ops[] = {Chain, Ptr, Cmp, Swp};
AddNodeIDNode(ID, Opcode, VTs, Ops, 4);
void* IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
return SDValue(E, 0);
SDNode* N = NodeAllocator.Allocate<AtomicSDNode>();
- new (N) AtomicSDNode(Opcode, VTs, MemVT,
+ new (N) AtomicSDNode(Opcode, dl, VTs, MemVT,
Chain, Ptr, Cmp, Swp, PtrVal, Alignment);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
return SDValue(N, 0);
}
-SDValue SelectionDAG::getAtomic(unsigned Opcode, MVT MemVT,
+SDValue SelectionDAG::getAtomic(unsigned Opcode, DebugLoc dl, MVT MemVT,
SDValue Chain,
SDValue Ptr, SDValue Val,
const Value* PtrVal,
SDVTList VTs = getVTList(VT, MVT::Other);
FoldingSetNodeID ID;
+ ID.AddInteger(MemVT.getRawBits());
SDValue Ops[] = {Chain, Ptr, Val};
AddNodeIDNode(ID, Opcode, VTs, Ops, 3);
void* IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
return SDValue(E, 0);
SDNode* N = NodeAllocator.Allocate<AtomicSDNode>();
- new (N) AtomicSDNode(Opcode, VTs, MemVT,
+ new (N) AtomicSDNode(Opcode, dl, VTs, MemVT,
Chain, Ptr, Val, PtrVal, Alignment);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
return getNode(ISD::MERGE_VALUES, getVTList(&VTs[0], NumOps), Ops, NumOps);
}
+/// DebugLoc-aware version.
+SDValue SelectionDAG::getMergeValues(const SDValue *Ops, unsigned NumOps,
+ DebugLoc dl) {
+ if (NumOps == 1)
+ return Ops[0];
+
+ SmallVector<MVT, 4> VTs;
+ VTs.reserve(NumOps);
+ for (unsigned i = 0; i < NumOps; ++i)
+ VTs.push_back(Ops[i].getValueType());
+ return getNode(ISD::MERGE_VALUES, dl, getVTList(&VTs[0], NumOps),
+ Ops, NumOps);
+}
+
SDValue
-SelectionDAG::getMemIntrinsicNode(unsigned Opcode,
+SelectionDAG::getMemIntrinsicNode(unsigned Opcode, DebugLoc dl,
const MVT *VTs, unsigned NumVTs,
const SDValue *Ops, unsigned NumOps,
MVT MemVT, const Value *srcValue, int SVOff,
unsigned Align, bool Vol,
bool ReadMem, bool WriteMem) {
- return getMemIntrinsicNode(Opcode, makeVTList(VTs, NumVTs), Ops, NumOps,
+ return getMemIntrinsicNode(Opcode, dl, makeVTList(VTs, NumVTs), Ops, NumOps,
MemVT, srcValue, SVOff, Align, Vol,
ReadMem, WriteMem);
}
SDValue
-SelectionDAG::getMemIntrinsicNode(unsigned Opcode, SDVTList VTList,
+SelectionDAG::getMemIntrinsicNode(unsigned Opcode, DebugLoc dl, SDVTList VTList,
const SDValue *Ops, unsigned NumOps,
MVT MemVT, const Value *srcValue, int SVOff,
unsigned Align, bool Vol,
return SDValue(E, 0);
N = NodeAllocator.Allocate<MemIntrinsicSDNode>();
- new (N) MemIntrinsicSDNode(Opcode, VTList, Ops, NumOps, MemVT,
+ new (N) MemIntrinsicSDNode(Opcode, dl, VTList, Ops, NumOps, MemVT,
srcValue, SVOff, Align, Vol, ReadMem, WriteMem);
CSEMap.InsertNode(N, IP);
} else {
N = NodeAllocator.Allocate<MemIntrinsicSDNode>();
- new (N) MemIntrinsicSDNode(Opcode, VTList, Ops, NumOps, MemVT,
+ new (N) MemIntrinsicSDNode(Opcode, dl, VTList, Ops, NumOps, MemVT,
srcValue, SVOff, Align, Vol, ReadMem, WriteMem);
}
AllNodes.push_back(N);
}
SDValue
-SelectionDAG::getCall(unsigned CallingConv, bool IsVarArgs, bool IsTailCall,
- bool IsInreg, SDVTList VTs,
+SelectionDAG::getCall(unsigned CallingConv, DebugLoc dl, bool IsVarArgs,
+ bool IsTailCall, bool IsInreg, SDVTList VTs,
const SDValue *Operands, unsigned NumOperands) {
// Do not include isTailCall in the folding set profile.
FoldingSetNodeID ID;
return SDValue(E, 0);
}
SDNode *N = NodeAllocator.Allocate<CallSDNode>();
- new (N) CallSDNode(CallingConv, IsVarArgs, IsTailCall, IsInreg,
+ new (N) CallSDNode(CallingConv, dl, IsVarArgs, IsTailCall, IsInreg,
VTs, Operands, NumOperands);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
SDValue Ops[] = { Chain, Ptr, Offset };
FoldingSetNodeID ID;
AddNodeIDNode(ID, ISD::LOAD, VTs, Ops, 3);
- ID.AddInteger(AM);
- ID.AddInteger(ExtType);
ID.AddInteger(EVT.getRawBits());
- ID.AddInteger(encodeMemSDNodeFlags(isVolatile, Alignment));
+ ID.AddInteger(encodeMemSDNodeFlags(ExtType, AM, isVolatile, Alignment));
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
return SDValue(E, 0);
return SDValue(N, 0);
}
+SDValue
+SelectionDAG::getLoad(ISD::MemIndexedMode AM, DebugLoc dl,
+ ISD::LoadExtType ExtType, MVT VT, SDValue Chain,
+ SDValue Ptr, SDValue Offset,
+ const Value *SV, int SVOffset, MVT EVT,
+ bool isVolatile, unsigned Alignment) {
+ if (Alignment == 0) // Ensure that codegen never sees alignment 0
+ Alignment = getMVTAlignment(VT);
+
+ if (VT == EVT) {
+ ExtType = ISD::NON_EXTLOAD;
+ } else if (ExtType == ISD::NON_EXTLOAD) {
+ assert(VT == EVT && "Non-extending load from different memory type!");
+ } else {
+ // Extending load.
+ if (VT.isVector())
+ assert(EVT.getVectorNumElements() == VT.getVectorNumElements() &&
+ "Invalid vector extload!");
+ else
+ assert(EVT.bitsLT(VT) &&
+ "Should only be an extending load, not truncating!");
+ assert((ExtType == ISD::EXTLOAD || VT.isInteger()) &&
+ "Cannot sign/zero extend a FP/Vector load!");
+ assert(VT.isInteger() == EVT.isInteger() &&
+ "Cannot convert from FP to Int or Int -> FP!");
+ }
+
+ bool Indexed = AM != ISD::UNINDEXED;
+ assert((Indexed || Offset.getOpcode() == ISD::UNDEF) &&
+ "Unindexed load with an offset!");
+
+ SDVTList VTs = Indexed ?
+ getVTList(VT, Ptr.getValueType(), MVT::Other) : getVTList(VT, MVT::Other);
+ SDValue Ops[] = { Chain, Ptr, Offset };
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, ISD::LOAD, VTs, Ops, 3);
+ ID.AddInteger(EVT.getRawBits());
+ ID.AddInteger(encodeMemSDNodeFlags(ExtType, AM, isVolatile, Alignment));
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<LoadSDNode>();
+ new (N) LoadSDNode(Ops, dl, VTs, AM, ExtType, EVT, SV, SVOffset,
+ Alignment, isVolatile);
+ CSEMap.InsertNode(N, IP);
+ AllNodes.push_back(N);
+ return SDValue(N, 0);
+}
+
SDValue SelectionDAG::getLoad(MVT VT,
SDValue Chain, SDValue Ptr,
const Value *SV, int SVOffset,
SV, SVOffset, VT, isVolatile, Alignment);
}
-SDValue SelectionDAG::getExtLoad(ISD::LoadExtType ExtType, MVT VT,
+SDValue SelectionDAG::getLoad(MVT VT, DebugLoc dl,
+ SDValue Chain, SDValue Ptr,
+ const Value *SV, int SVOffset,
+ bool isVolatile, unsigned Alignment) {
+ SDValue Undef = getNode(ISD::UNDEF, Ptr.getValueType());
+ return getLoad(ISD::UNINDEXED, dl, ISD::NON_EXTLOAD, VT, Chain, Ptr, Undef,
+ SV, SVOffset, VT, isVolatile, Alignment);
+}
+
+SDValue SelectionDAG::getExtLoad(ISD::LoadExtType ExtType, DebugLoc dl, MVT VT,
SDValue Chain, SDValue Ptr,
const Value *SV,
int SVOffset, MVT EVT,
bool isVolatile, unsigned Alignment) {
SDValue Undef = getNode(ISD::UNDEF, Ptr.getValueType());
- return getLoad(ISD::UNINDEXED, ExtType, VT, Chain, Ptr, Undef,
+ return getLoad(ISD::UNINDEXED, dl, ExtType, VT, Chain, Ptr, Undef,
SV, SVOffset, EVT, isVolatile, Alignment);
}
SDValue
-SelectionDAG::getIndexedLoad(SDValue OrigLoad, SDValue Base,
+SelectionDAG::getIndexedLoad(SDValue OrigLoad, DebugLoc dl, SDValue Base,
SDValue Offset, ISD::MemIndexedMode AM) {
LoadSDNode *LD = cast<LoadSDNode>(OrigLoad);
assert(LD->getOffset().getOpcode() == ISD::UNDEF &&
"Load is already a indexed load!");
- return getLoad(AM, LD->getExtensionType(), OrigLoad.getValueType(),
+ return getLoad(AM, dl, LD->getExtensionType(), OrigLoad.getValueType(),
LD->getChain(), Base, Offset, LD->getSrcValue(),
LD->getSrcValueOffset(), LD->getMemoryVT(),
LD->isVolatile(), LD->getAlignment());
SDValue Ops[] = { Chain, Val, Ptr, Undef };
FoldingSetNodeID ID;
AddNodeIDNode(ID, ISD::STORE, VTs, Ops, 4);
- ID.AddInteger(ISD::UNINDEXED);
- ID.AddInteger(false);
ID.AddInteger(VT.getRawBits());
- ID.AddInteger(encodeMemSDNodeFlags(isVolatile, Alignment));
+ ID.AddInteger(encodeMemSDNodeFlags(false, ISD::UNINDEXED,
+ isVolatile, Alignment));
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
return SDValue(E, 0);
return SDValue(N, 0);
}
-SDValue SelectionDAG::getTruncStore(SDValue Chain, SDValue Val,
+SDValue SelectionDAG::getStore(SDValue Chain, DebugLoc dl, SDValue Val,
+ SDValue Ptr, const Value *SV, int SVOffset,
+ bool isVolatile, unsigned Alignment) {
+ MVT VT = Val.getValueType();
+
+ if (Alignment == 0) // Ensure that codegen never sees alignment 0
+ Alignment = getMVTAlignment(VT);
+
+ SDVTList VTs = getVTList(MVT::Other);
+ SDValue Undef = getNode(ISD::UNDEF, Ptr.getValueType());
+ SDValue Ops[] = { Chain, Val, Ptr, Undef };
+ FoldingSetNodeID ID;
+ AddNodeIDNode(ID, ISD::STORE, VTs, Ops, 4);
+ ID.AddInteger(VT.getRawBits());
+ ID.AddInteger(encodeMemSDNodeFlags(false, ISD::UNINDEXED,
+ isVolatile, Alignment));
+ void *IP = 0;
+ if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
+ return SDValue(E, 0);
+ SDNode *N = NodeAllocator.Allocate<StoreSDNode>();
+ new (N) StoreSDNode(Ops, dl, VTs, ISD::UNINDEXED, false,
+ VT, SV, SVOffset, Alignment, isVolatile);
+ CSEMap.InsertNode(N, IP);
+ AllNodes.push_back(N);
+ return SDValue(N, 0);
+}
+
+SDValue SelectionDAG::getTruncStore(SDValue Chain, DebugLoc dl, SDValue Val,
SDValue Ptr, const Value *SV,
int SVOffset, MVT SVT,
bool isVolatile, unsigned Alignment) {
MVT VT = Val.getValueType();
if (VT == SVT)
- return getStore(Chain, Val, Ptr, SV, SVOffset, isVolatile, Alignment);
+ return getStore(Chain, dl, Val, Ptr, SV, SVOffset, isVolatile, Alignment);
assert(VT.bitsGT(SVT) && "Not a truncation?");
assert(VT.isInteger() == SVT.isInteger() &&
SDValue Ops[] = { Chain, Val, Ptr, Undef };
FoldingSetNodeID ID;
AddNodeIDNode(ID, ISD::STORE, VTs, Ops, 4);
- ID.AddInteger(ISD::UNINDEXED);
- ID.AddInteger(1);
ID.AddInteger(SVT.getRawBits());
- ID.AddInteger(encodeMemSDNodeFlags(isVolatile, Alignment));
+ ID.AddInteger(encodeMemSDNodeFlags(true, ISD::UNINDEXED,
+ isVolatile, Alignment));
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
return SDValue(E, 0);
SDNode *N = NodeAllocator.Allocate<StoreSDNode>();
- new (N) StoreSDNode(Ops, VTs, ISD::UNINDEXED, true,
+ new (N) StoreSDNode(Ops, dl, VTs, ISD::UNINDEXED, true,
SVT, SV, SVOffset, Alignment, isVolatile);
CSEMap.InsertNode(N, IP);
AllNodes.push_back(N);
}
SDValue
-SelectionDAG::getIndexedStore(SDValue OrigStore, SDValue Base,
+SelectionDAG::getIndexedStore(SDValue OrigStore, DebugLoc dl, SDValue Base,
SDValue Offset, ISD::MemIndexedMode AM) {
StoreSDNode *ST = cast<StoreSDNode>(OrigStore);
assert(ST->getOffset().getOpcode() == ISD::UNDEF &&
SDValue Ops[] = { ST->getChain(), ST->getValue(), Base, Offset };
FoldingSetNodeID ID;
AddNodeIDNode(ID, ISD::STORE, VTs, Ops, 4);
- ID.AddInteger(AM);
- ID.AddInteger(ST->isTruncatingStore());
ID.AddInteger(ST->getMemoryVT().getRawBits());
- ID.AddInteger(ST->getRawFlags());
+ ID.AddInteger(ST->getRawSubclassData());
void *IP = 0;
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
return SDValue(E, 0);
SDNode *N = NodeAllocator.Allocate<StoreSDNode>();
- new (N) StoreSDNode(Ops, VTs, AM,
+ new (N) StoreSDNode(Ops, dl, VTs, AM,
ST->isTruncatingStore(), ST->getMemoryVT(),
ST->getSrcValue(), ST->getSrcValueOffset(),
ST->getAlignment(), ST->isVolatile());
return SDValue(N, 0);
}
-SDValue SelectionDAG::getVAArg(MVT VT,
+SDValue SelectionDAG::getVAArg(MVT VT, DebugLoc dl,
SDValue Chain, SDValue Ptr,
SDValue SV) {
SDValue Ops[] = { Chain, Ptr, SV };
- return getNode(ISD::VAARG, getVTList(VT, MVT::Other), Ops, 3);
+ return getNode(ISD::VAARG, dl, getVTList(VT, MVT::Other), Ops, 3);
}
SDValue SelectionDAG::getNode(unsigned Opcode, MVT VT,
const SDUse *Ops, unsigned NumOps) {
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), VT, Ops, NumOps);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, MVT VT,
+ const SDUse *Ops, unsigned NumOps) {
switch (NumOps) {
- case 0: return getNode(Opcode, VT);
- case 1: return getNode(Opcode, VT, Ops[0]);
- case 2: return getNode(Opcode, VT, Ops[0], Ops[1]);
- case 3: return getNode(Opcode, VT, Ops[0], Ops[1], Ops[2]);
+ case 0: return getNode(Opcode, DL, VT);
+ case 1: return getNode(Opcode, DL, VT, Ops[0]);
+ case 2: return getNode(Opcode, DL, VT, Ops[0], Ops[1]);
+ case 3: return getNode(Opcode, DL, VT, Ops[0], Ops[1], Ops[2]);
default: break;
}
// Copy from an SDUse array into an SDValue array for use with
// the regular getNode logic.
SmallVector<SDValue, 8> NewOps(Ops, Ops + NumOps);
- return getNode(Opcode, VT, &NewOps[0], NumOps);
+ return getNode(Opcode, DL, VT, &NewOps[0], NumOps);
}
SDValue SelectionDAG::getNode(unsigned Opcode, MVT VT,
const SDValue *Ops, unsigned NumOps) {
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), VT, Ops, NumOps);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, MVT VT,
+ const SDValue *Ops, unsigned NumOps) {
switch (NumOps) {
- case 0: return getNode(Opcode, VT);
- case 1: return getNode(Opcode, VT, Ops[0]);
- case 2: return getNode(Opcode, VT, Ops[0], Ops[1]);
- case 3: return getNode(Opcode, VT, Ops[0], Ops[1], Ops[2]);
+ case 0: return getNode(Opcode, DL, VT);
+ case 1: return getNode(Opcode, DL, VT, Ops[0]);
+ case 2: return getNode(Opcode, DL, VT, Ops[0], Ops[1]);
+ case 3: return getNode(Opcode, DL, VT, Ops[0], Ops[1], Ops[2]);
default: break;
}
// Memoize nodes.
SDNode *N;
SDVTList VTs = getVTList(VT);
+
if (VT != MVT::Flag) {
FoldingSetNodeID ID;
AddNodeIDNode(ID, Opcode, VTs, Ops, NumOps);
void *IP = 0;
+
if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP))
return SDValue(E, 0);
+
N = NodeAllocator.Allocate<SDNode>();
- new (N) SDNode(Opcode, VTs, Ops, NumOps);
+ new (N) SDNode(Opcode, DL, VTs, Ops, NumOps);
CSEMap.InsertNode(N, IP);
} else {
N = NodeAllocator.Allocate<SDNode>();
- new (N) SDNode(Opcode, VTs, Ops, NumOps);
+ new (N) SDNode(Opcode, DL, VTs, Ops, NumOps);
}
+
AllNodes.push_back(N);
#ifndef NDEBUG
VerifyNode(N);
SDValue SelectionDAG::getNode(unsigned Opcode,
const std::vector<MVT> &ResultTys,
const SDValue *Ops, unsigned NumOps) {
- return getNode(Opcode, getNodeValueTypes(ResultTys), ResultTys.size(),
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), ResultTys, Ops, NumOps);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL,
+ const std::vector<MVT> &ResultTys,
+ const SDValue *Ops, unsigned NumOps) {
+ return getNode(Opcode, DL, getNodeValueTypes(ResultTys), ResultTys.size(),
Ops, NumOps);
}
SDValue SelectionDAG::getNode(unsigned Opcode,
const MVT *VTs, unsigned NumVTs,
const SDValue *Ops, unsigned NumOps) {
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), VTs, NumVTs, Ops, NumOps);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL,
+ const MVT *VTs, unsigned NumVTs,
+ const SDValue *Ops, unsigned NumOps) {
if (NumVTs == 1)
- return getNode(Opcode, VTs[0], Ops, NumOps);
- return getNode(Opcode, makeVTList(VTs, NumVTs), Ops, NumOps);
+ return getNode(Opcode, DL, VTs[0], Ops, NumOps);
+ return getNode(Opcode, DL, makeVTList(VTs, NumVTs), Ops, NumOps);
}
SDValue SelectionDAG::getNode(unsigned Opcode, SDVTList VTList,
const SDValue *Ops, unsigned NumOps) {
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), VTList, Ops, NumOps);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, SDVTList VTList,
+ const SDValue *Ops, unsigned NumOps) {
if (VTList.NumVTs == 1)
- return getNode(Opcode, VTList.VTs[0], Ops, NumOps);
+ return getNode(Opcode, DL, VTList.VTs[0], Ops, NumOps);
switch (Opcode) {
// FIXME: figure out how to safely handle things like
case ISD::SHL_PARTS:
if (N3.getOpcode() == ISD::SIGN_EXTEND_INREG &&
cast<VTSDNode>(N3.getOperand(1))->getVT() != MVT::i1)
- return getNode(Opcode, VT, N1, N2, N3.getOperand(0));
+ return getNode(Opcode, DL, VT, N1, N2, N3.getOperand(0));
else if (N3.getOpcode() == ISD::AND)
if (ConstantSDNode *AndRHS = dyn_cast<ConstantSDNode>(N3.getOperand(1))) {
// If the and is only masking out bits that cannot effect the shift,
// eliminate the and.
unsigned NumBits = VT.getSizeInBits()*2;
if ((AndRHS->getValue() & (NumBits-1)) == NumBits-1)
- return getNode(Opcode, VT, N1, N2, N3.getOperand(0));
+ return getNode(Opcode, DL, VT, N1, N2, N3.getOperand(0));
}
break;
#endif
return SDValue(E, 0);
if (NumOps == 1) {
N = NodeAllocator.Allocate<UnarySDNode>();
- new (N) UnarySDNode(Opcode, VTList, Ops[0]);
+ new (N) UnarySDNode(Opcode, DL, VTList, Ops[0]);
} else if (NumOps == 2) {
N = NodeAllocator.Allocate<BinarySDNode>();
- new (N) BinarySDNode(Opcode, VTList, Ops[0], Ops[1]);
+ new (N) BinarySDNode(Opcode, DL, VTList, Ops[0], Ops[1]);
} else if (NumOps == 3) {
N = NodeAllocator.Allocate<TernarySDNode>();
- new (N) TernarySDNode(Opcode, VTList, Ops[0], Ops[1], Ops[2]);
+ new (N) TernarySDNode(Opcode, DL, VTList, Ops[0], Ops[1], Ops[2]);
} else {
N = NodeAllocator.Allocate<SDNode>();
- new (N) SDNode(Opcode, VTList, Ops, NumOps);
+ new (N) SDNode(Opcode, DL, VTList, Ops, NumOps);
}
CSEMap.InsertNode(N, IP);
} else {
if (NumOps == 1) {
N = NodeAllocator.Allocate<UnarySDNode>();
- new (N) UnarySDNode(Opcode, VTList, Ops[0]);
+ new (N) UnarySDNode(Opcode, DL, VTList, Ops[0]);
} else if (NumOps == 2) {
N = NodeAllocator.Allocate<BinarySDNode>();
- new (N) BinarySDNode(Opcode, VTList, Ops[0], Ops[1]);
+ new (N) BinarySDNode(Opcode, DL, VTList, Ops[0], Ops[1]);
} else if (NumOps == 3) {
N = NodeAllocator.Allocate<TernarySDNode>();
- new (N) TernarySDNode(Opcode, VTList, Ops[0], Ops[1], Ops[2]);
+ new (N) TernarySDNode(Opcode, DL, VTList, Ops[0], Ops[1], Ops[2]);
} else {
N = NodeAllocator.Allocate<SDNode>();
- new (N) SDNode(Opcode, VTList, Ops, NumOps);
+ new (N) SDNode(Opcode, DL, VTList, Ops, NumOps);
}
}
AllNodes.push_back(N);
}
SDValue SelectionDAG::getNode(unsigned Opcode, SDVTList VTList) {
- return getNode(Opcode, VTList, 0, 0);
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), VTList);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, SDVTList VTList) {
+ return getNode(Opcode, DL, VTList, 0, 0);
}
SDValue SelectionDAG::getNode(unsigned Opcode, SDVTList VTList,
- SDValue N1) {
+ SDValue N1) {
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), VTList, N1);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, SDVTList VTList,
+ SDValue N1) {
SDValue Ops[] = { N1 };
- return getNode(Opcode, VTList, Ops, 1);
+ return getNode(Opcode, DL, VTList, Ops, 1);
}
SDValue SelectionDAG::getNode(unsigned Opcode, SDVTList VTList,
SDValue N1, SDValue N2) {
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), VTList, N1, N2);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, SDVTList VTList,
+ SDValue N1, SDValue N2) {
SDValue Ops[] = { N1, N2 };
- return getNode(Opcode, VTList, Ops, 2);
+ return getNode(Opcode, DL, VTList, Ops, 2);
}
SDValue SelectionDAG::getNode(unsigned Opcode, SDVTList VTList,
SDValue N1, SDValue N2, SDValue N3) {
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), VTList, N1, N2, N3);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, SDVTList VTList,
+ SDValue N1, SDValue N2, SDValue N3) {
SDValue Ops[] = { N1, N2, N3 };
- return getNode(Opcode, VTList, Ops, 3);
+ return getNode(Opcode, DL, VTList, Ops, 3);
}
SDValue SelectionDAG::getNode(unsigned Opcode, SDVTList VTList,
SDValue N1, SDValue N2, SDValue N3,
SDValue N4) {
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), VTList, N1, N2, N3, N4);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, SDVTList VTList,
+ SDValue N1, SDValue N2, SDValue N3,
+ SDValue N4) {
SDValue Ops[] = { N1, N2, N3, N4 };
- return getNode(Opcode, VTList, Ops, 4);
+ return getNode(Opcode, DL, VTList, Ops, 4);
}
SDValue SelectionDAG::getNode(unsigned Opcode, SDVTList VTList,
SDValue N1, SDValue N2, SDValue N3,
SDValue N4, SDValue N5) {
+ return getNode(Opcode, DebugLoc::getUnknownLoc(), VTList, N1, N2, N3, N4, N5);
+}
+
+SDValue SelectionDAG::getNode(unsigned Opcode, DebugLoc DL, SDVTList VTList,
+ SDValue N1, SDValue N2, SDValue N3,
+ SDValue N4, SDValue N5) {
SDValue Ops[] = { N1, N2, N3, N4, N5 };
- return getNode(Opcode, VTList, Ops, 5);
+ return getNode(Opcode, DL, VTList, Ops, 5);
}
SDVTList SelectionDAG::getVTList(MVT VT) {
InsertPos = 0;
// Now we update the operands.
- N->OperandList[0].getVal()->removeUser(0, N);
- N->OperandList[0] = Op;
- N->OperandList[0].setUser(N);
- Op.getNode()->addUser(0, N);
+ N->OperandList[0].set(Op);
// If this gets put into a CSE map, add it.
if (InsertPos) CSEMap.InsertNode(N, InsertPos);
InsertPos = 0;
// Now we update the operands.
- if (N->OperandList[0] != Op1) {
- N->OperandList[0].getVal()->removeUser(0, N);
- N->OperandList[0] = Op1;
- N->OperandList[0].setUser(N);
- Op1.getNode()->addUser(0, N);
- }
- if (N->OperandList[1] != Op2) {
- N->OperandList[1].getVal()->removeUser(1, N);
- N->OperandList[1] = Op2;
- N->OperandList[1].setUser(N);
- Op2.getNode()->addUser(1, N);
- }
+ if (N->OperandList[0] != Op1)
+ N->OperandList[0].set(Op1);
+ if (N->OperandList[1] != Op2)
+ N->OperandList[1].set(Op2);
// If this gets put into a CSE map, add it.
if (InsertPos) CSEMap.InsertNode(N, InsertPos);
InsertPos = 0;
// Now we update the operands.
- for (unsigned i = 0; i != NumOps; ++i) {
- if (N->OperandList[i] != Ops[i]) {
- N->OperandList[i].getVal()->removeUser(i, N);
- N->OperandList[i] = Ops[i];
- N->OperandList[i].setUser(N);
- Ops[i].getNode()->addUser(i, N);
- }
- }
+ for (unsigned i = 0; i != NumOps; ++i)
+ if (N->OperandList[i] != Ops[i])
+ N->OperandList[i].set(Ops[i]);
// If this gets put into a CSE map, add it.
if (InsertPos) CSEMap.InsertNode(N, InsertPos);
void SDNode::DropOperands() {
// Unlike the code in MorphNodeTo that does this, we don't need to
// watch for dead nodes here.
- for (op_iterator I = op_begin(), E = op_end(); I != E; ++I)
- I->getVal()->removeUser(std::distance(op_begin(), I), this);
-
- NumOperands = 0;
+ for (op_iterator I = op_begin(), E = op_end(); I != E; ) {
+ SDUse &Use = *I++;
+ Use.set(SDValue());
+ }
}
/// SelectNodeTo - These are wrappers around MorphNodeTo that accept a
// Clear the operands list, updating used nodes to remove this from their
// use list. Keep track of any operands that become dead as a result.
SmallPtrSet<SDNode*, 16> DeadNodeSet;
- for (SDNode::op_iterator B = N->op_begin(), I = B, E = N->op_end();
- I != E; ++I) {
- SDNode *Used = I->getVal();
- Used->removeUser(std::distance(B, I), N);
+ for (SDNode::op_iterator I = N->op_begin(), E = N->op_end(); I != E; ) {
+ SDUse &Use = *I++;
+ SDNode *Used = Use.getNode();
+ Use.set(SDValue());
if (Used->use_empty())
DeadNodeSet.insert(Used);
}
// Assign the new operands.
N->NumOperands = NumOps;
for (unsigned i = 0, e = NumOps; i != e; ++i) {
- N->OperandList[i] = Ops[i];
N->OperandList[i].setUser(N);
- SDNode *ToUse = N->OperandList[i].getVal();
- ToUse->addUser(i, N);
+ N->OperandList[i].setInitial(Ops[i]);
}
// Delete any nodes that are still dead after adding the uses for the
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT) {
return getNode(~Opcode, VT).getNode();
}
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT) {
+ return getNode(~Opcode, dl, VT).getNode();
+}
+
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT, SDValue Op1) {
return getNode(~Opcode, VT, Op1).getNode();
}
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT,
+ SDValue Op1) {
+ return getNode(~Opcode, dl, VT, Op1).getNode();
+}
+
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT,
SDValue Op1, SDValue Op2) {
return getNode(~Opcode, VT, Op1, Op2).getNode();
}
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT,
+ SDValue Op1, SDValue Op2) {
+ return getNode(~Opcode, dl, VT, Op1, Op2).getNode();
+}
+
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT,
SDValue Op1, SDValue Op2,
SDValue Op3) {
return getNode(~Opcode, VT, Op1, Op2, Op3).getNode();
}
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT,
+ SDValue Op1, SDValue Op2,
+ SDValue Op3) {
+ return getNode(~Opcode, dl, VT, Op1, Op2, Op3).getNode();
+}
+
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT,
const SDValue *Ops, unsigned NumOps) {
return getNode(~Opcode, VT, Ops, NumOps).getNode();
}
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT,
+ const SDValue *Ops, unsigned NumOps) {
+ return getNode(~Opcode, dl, VT, Ops, NumOps).getNode();
+}
+
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1, MVT VT2) {
const MVT *VTs = getNodeValueTypes(VT1, VT2);
SDValue Op;
return getNode(~Opcode, VTs, 2, &Op, 0).getNode();
}
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, DebugLoc dl,
+ MVT VT1, MVT VT2) {
+ const MVT *VTs = getNodeValueTypes(VT1, VT2);
+ SDValue Op;
+ return getNode(~Opcode, dl, VTs, 2, &Op, 0).getNode();
+}
+
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1,
MVT VT2, SDValue Op1) {
const MVT *VTs = getNodeValueTypes(VT1, VT2);
return getNode(~Opcode, VTs, 2, &Op1, 1).getNode();
}
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT1,
+ MVT VT2, SDValue Op1) {
+ const MVT *VTs = getNodeValueTypes(VT1, VT2);
+ return getNode(~Opcode, dl, VTs, 2, &Op1, 1).getNode();
+}
+
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1,
MVT VT2, SDValue Op1,
SDValue Op2) {
SDValue Ops[] = { Op1, Op2 };
return getNode(~Opcode, VTs, 2, Ops, 2).getNode();
}
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT1,
+ MVT VT2, SDValue Op1,
+ SDValue Op2) {
+ const MVT *VTs = getNodeValueTypes(VT1, VT2);
+ SDValue Ops[] = { Op1, Op2 };
+ return getNode(~Opcode, dl, VTs, 2, Ops, 2).getNode();
+}
+
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1,
MVT VT2, SDValue Op1,
SDValue Op2, SDValue Op3) {
SDValue Ops[] = { Op1, Op2, Op3 };
return getNode(~Opcode, VTs, 2, Ops, 3).getNode();
}
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT1,
+ MVT VT2, SDValue Op1,
+ SDValue Op2, SDValue Op3) {
+ const MVT *VTs = getNodeValueTypes(VT1, VT2);
+ SDValue Ops[] = { Op1, Op2, Op3 };
+ return getNode(~Opcode, dl, VTs, 2, Ops, 3).getNode();
+}
+
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1, MVT VT2,
const SDValue *Ops, unsigned NumOps) {
const MVT *VTs = getNodeValueTypes(VT1, VT2);
return getNode(~Opcode, VTs, 2, Ops, NumOps).getNode();
}
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, DebugLoc dl,
+ MVT VT1, MVT VT2,
+ const SDValue *Ops, unsigned NumOps) {
+ const MVT *VTs = getNodeValueTypes(VT1, VT2);
+ return getNode(~Opcode, dl, VTs, 2, Ops, NumOps).getNode();
+}
+
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1, MVT VT2, MVT VT3,
SDValue Op1, SDValue Op2) {
const MVT *VTs = getNodeValueTypes(VT1, VT2, VT3);
SDValue Ops[] = { Op1, Op2 };
return getNode(~Opcode, VTs, 3, Ops, 2).getNode();
}
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, DebugLoc dl,
+ MVT VT1, MVT VT2, MVT VT3,
+ SDValue Op1, SDValue Op2) {
+ const MVT *VTs = getNodeValueTypes(VT1, VT2, VT3);
+ SDValue Ops[] = { Op1, Op2 };
+ return getNode(~Opcode, dl, VTs, 3, Ops, 2).getNode();
+}
+
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1, MVT VT2, MVT VT3,
SDValue Op1, SDValue Op2,
SDValue Op3) {
SDValue Ops[] = { Op1, Op2, Op3 };
return getNode(~Opcode, VTs, 3, Ops, 3).getNode();
}
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, DebugLoc dl,
+ MVT VT1, MVT VT2, MVT VT3,
+ SDValue Op1, SDValue Op2,
+ SDValue Op3) {
+ const MVT *VTs = getNodeValueTypes(VT1, VT2, VT3);
+ SDValue Ops[] = { Op1, Op2, Op3 };
+ return getNode(~Opcode, dl, VTs, 3, Ops, 3).getNode();
+}
+
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1, MVT VT2, MVT VT3,
const SDValue *Ops, unsigned NumOps) {
const MVT *VTs = getNodeValueTypes(VT1, VT2, VT3);
return getNode(~Opcode, VTs, 3, Ops, NumOps).getNode();
}
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, DebugLoc dl,
+ MVT VT1, MVT VT2, MVT VT3,
+ const SDValue *Ops, unsigned NumOps) {
+ const MVT *VTs = getNodeValueTypes(VT1, VT2, VT3);
+ return getNode(~Opcode, dl, VTs, 3, Ops, NumOps).getNode();
+}
+
SDNode *SelectionDAG::getTargetNode(unsigned Opcode, MVT VT1,
MVT VT2, MVT VT3, MVT VT4,
const SDValue *Ops, unsigned NumOps) {
const MVT *VTs = getNodeValueTypes(VTList);
return getNode(~Opcode, VTs, 4, Ops, NumOps).getNode();
}
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, DebugLoc dl, MVT VT1,
+ MVT VT2, MVT VT3, MVT VT4,
+ const SDValue *Ops, unsigned NumOps) {
+ std::vector<MVT> VTList;
+ VTList.push_back(VT1);
+ VTList.push_back(VT2);
+ VTList.push_back(VT3);
+ VTList.push_back(VT4);
+ const MVT *VTs = getNodeValueTypes(VTList);
+ return getNode(~Opcode, dl, VTs, 4, Ops, NumOps).getNode();
+}
+
SDNode *SelectionDAG::getTargetNode(unsigned Opcode,
const std::vector<MVT> &ResultTys,
const SDValue *Ops, unsigned NumOps) {
return getNode(~Opcode, VTs, ResultTys.size(),
Ops, NumOps).getNode();
}
+SDNode *SelectionDAG::getTargetNode(unsigned Opcode, DebugLoc dl,
+ const std::vector<MVT> &ResultTys,
+ const SDValue *Ops, unsigned NumOps) {
+ const MVT *VTs = getNodeValueTypes(ResultTys);
+ return getNode(~Opcode, dl, VTs, ResultTys.size(),
+ Ops, NumOps).getNode();
+}
/// getNodeIfExists - Get the specified node if it's already available, or
/// else return NULL.
return NULL;
}
-
/// ReplaceAllUsesWith - Modify anything using 'From' to use 'To' instead.
/// This can cause recursive merging of nodes in the DAG.
///
"Cannot replace with this method!");
assert(From != To.getNode() && "Cannot replace uses of with self");
- // Iterate over all the existing uses of From. This specifically avoids
- // visiting any new uses of From that arrise while the replacement is
- // happening, because any such uses would be the result of CSE: If an
- // existing node looks like From after one of its operands is replaced
- // by To, we don't want to replace of all its users with To too.
- // See PR3018 for more info.
+ // Iterate over all the existing uses of From. New uses will be added
+ // to the beginning of the use list, which we avoid visiting.
+ // This specifically avoids visiting uses of From that arise while the
+ // replacement is happening, because any such uses would be the result
+ // of CSE: If an existing node looks like From after one of its operands
+ // is replaced by To, we don't want to replace of all its users with To
+ // too. See PR3018 for more info.
SDNode::use_iterator UI = From->use_begin(), UE = From->use_end();
while (UI != UE) {
- SDNode *U = *UI;
- do ++UI; while (UI != UE && *UI == U);
+ SDNode *User = *UI;
// This node is about to morph, remove its old self from the CSE maps.
- RemoveNodeFromCSEMaps(U);
- int operandNum = 0;
- for (SDNode::op_iterator I = U->op_begin(), E = U->op_end();
- I != E; ++I, ++operandNum)
- if (I->getVal() == From) {
- From->removeUser(operandNum, U);
- *I = To;
- I->setUser(U);
- To.getNode()->addUser(operandNum, U);
- }
-
- // Now that we have modified U, add it back to the CSE maps. If it already
- // exists there, recursively merge the results together.
- if (SDNode *Existing = AddNonLeafNodeToCSEMaps(U)) {
- ReplaceAllUsesWith(U, Existing, UpdateListener);
- // U is now dead. Inform the listener if it exists and delete it.
- if (UpdateListener)
- UpdateListener->NodeDeleted(U, Existing);
- DeleteNodeNotInCSEMaps(U);
- } else {
- // If the node doesn't already exist, we updated it. Inform a listener if
- // it exists.
- if (UpdateListener)
- UpdateListener->NodeUpdated(U);
- }
+ RemoveNodeFromCSEMaps(User);
+
+ // A user can appear in a use list multiple times, and when this
+ // happens the uses are usually next to each other in the list.
+ // To help reduce the number of CSE recomputations, process all
+ // the uses of this user that we can find this way.
+ do {
+ SDUse &Use = UI.getUse();
+ ++UI;
+ Use.set(To);
+ } while (UI != UE && *UI == User);
+
+ // Now that we have modified User, add it back to the CSE maps. If it
+ // already exists there, recursively merge the results together.
+ AddModifiedNodeToCSEMaps(User, UpdateListener);
}
}
// the ReplaceAllUsesWith above.
SDNode::use_iterator UI = From->use_begin(), UE = From->use_end();
while (UI != UE) {
- SDNode *U = *UI;
- do ++UI; while (UI != UE && *UI == U);
+ SDNode *User = *UI;
// This node is about to morph, remove its old self from the CSE maps.
- RemoveNodeFromCSEMaps(U);
- int operandNum = 0;
- for (SDNode::op_iterator I = U->op_begin(), E = U->op_end();
- I != E; ++I, ++operandNum)
- if (I->getVal() == From) {
- From->removeUser(operandNum, U);
- I->getSDValue().setNode(To);
- To->addUser(operandNum, U);
- }
+ RemoveNodeFromCSEMaps(User);
- // Now that we have modified U, add it back to the CSE maps. If it already
- // exists there, recursively merge the results together.
- if (SDNode *Existing = AddNonLeafNodeToCSEMaps(U)) {
- ReplaceAllUsesWith(U, Existing, UpdateListener);
- // U is now dead. Inform the listener if it exists and delete it.
- if (UpdateListener)
- UpdateListener->NodeDeleted(U, Existing);
- DeleteNodeNotInCSEMaps(U);
- } else {
- // If the node doesn't already exist, we updated it. Inform a listener if
- // it exists.
- if (UpdateListener)
- UpdateListener->NodeUpdated(U);
- }
+ // A user can appear in a use list multiple times, and when this
+ // happens the uses are usually next to each other in the list.
+ // To help reduce the number of CSE recomputations, process all
+ // the uses of this user that we can find this way.
+ do {
+ SDUse &Use = UI.getUse();
+ ++UI;
+ Use.setNode(To);
+ } while (UI != UE && *UI == User);
+
+ // Now that we have modified User, add it back to the CSE maps. If it
+ // already exists there, recursively merge the results together.
+ AddModifiedNodeToCSEMaps(User, UpdateListener);
}
}
// the ReplaceAllUsesWith above.
SDNode::use_iterator UI = From->use_begin(), UE = From->use_end();
while (UI != UE) {
- SDNode *U = *UI;
- do ++UI; while (UI != UE && *UI == U);
+ SDNode *User = *UI;
// This node is about to morph, remove its old self from the CSE maps.
- RemoveNodeFromCSEMaps(U);
- int operandNum = 0;
- for (SDNode::op_iterator I = U->op_begin(), E = U->op_end();
- I != E; ++I, ++operandNum)
- if (I->getVal() == From) {
- const SDValue &ToOp = To[I->getSDValue().getResNo()];
- From->removeUser(operandNum, U);
- *I = ToOp;
- I->setUser(U);
- ToOp.getNode()->addUser(operandNum, U);
- }
+ RemoveNodeFromCSEMaps(User);
- // Now that we have modified U, add it back to the CSE maps. If it already
- // exists there, recursively merge the results together.
- if (SDNode *Existing = AddNonLeafNodeToCSEMaps(U)) {
- ReplaceAllUsesWith(U, Existing, UpdateListener);
- // U is now dead. Inform the listener if it exists and delete it.
- if (UpdateListener)
- UpdateListener->NodeDeleted(U, Existing);
- DeleteNodeNotInCSEMaps(U);
- } else {
- // If the node doesn't already exist, we updated it. Inform a listener if
- // it exists.
- if (UpdateListener)
- UpdateListener->NodeUpdated(U);
- }
+ // A user can appear in a use list multiple times, and when this
+ // happens the uses are usually next to each other in the list.
+ // To help reduce the number of CSE recomputations, process all
+ // the uses of this user that we can find this way.
+ do {
+ SDUse &Use = UI.getUse();
+ const SDValue &ToOp = To[Use.getResNo()];
+ ++UI;
+ Use.set(ToOp);
+ } while (UI != UE && *UI == User);
+
+ // Now that we have modified User, add it back to the CSE maps. If it
+ // already exists there, recursively merge the results together.
+ AddModifiedNodeToCSEMaps(User, UpdateListener);
}
}
/// ReplaceAllUsesOfValueWith - Replace any uses of From with To, leaving
-/// uses of other values produced by From.getVal() alone. The Deleted vector is
-/// handled the same way as for ReplaceAllUsesWith.
+/// uses of other values produced by From.getNode() alone. The Deleted
+/// vector is handled the same way as for ReplaceAllUsesWith.
void SelectionDAG::ReplaceAllUsesOfValueWith(SDValue From, SDValue To,
DAGUpdateListener *UpdateListener){
// Handle the really simple, really trivial case efficiently.
return;
}
- // Get all of the users of From.getNode(). We want these in a nice,
- // deterministically ordered and uniqued set, so we use a SmallSetVector.
- SmallSetVector<SDNode*, 16> Users(From.getNode()->use_begin(), From.getNode()->use_end());
+ // Iterate over just the existing users of From. See the comments in
+ // the ReplaceAllUsesWith above.
+ SDNode::use_iterator UI = From.getNode()->use_begin(),
+ UE = From.getNode()->use_end();
+ while (UI != UE) {
+ SDNode *User = *UI;
+ bool UserRemovedFromCSEMaps = false;
+
+ // A user can appear in a use list multiple times, and when this
+ // happens the uses are usually next to each other in the list.
+ // To help reduce the number of CSE recomputations, process all
+ // the uses of this user that we can find this way.
+ do {
+ SDUse &Use = UI.getUse();
+
+ // Skip uses of different values from the same node.
+ if (Use.getResNo() != From.getResNo()) {
+ ++UI;
+ continue;
+ }
- while (!Users.empty()) {
- // We know that this user uses some value of From. If it is the right
- // value, update it.
- SDNode *User = Users.back();
- Users.pop_back();
-
- // Scan for an operand that matches From.
- SDNode::op_iterator Op = User->op_begin(), E = User->op_end();
- for (; Op != E; ++Op)
- if (*Op == From) break;
-
- // If there are no matches, the user must use some other result of From.
- if (Op == E) continue;
-
- // Okay, we know this user needs to be updated. Remove its old self
- // from the CSE maps.
- RemoveNodeFromCSEMaps(User);
-
- // Update all operands that match "From" in case there are multiple uses.
- for (; Op != E; ++Op) {
- if (*Op == From) {
- From.getNode()->removeUser(Op-User->op_begin(), User);
- *Op = To;
- Op->setUser(User);
- To.getNode()->addUser(Op-User->op_begin(), User);
+ // If this node hasn't been modified yet, it's still in the CSE maps,
+ // so remove its old self from the CSE maps.
+ if (!UserRemovedFromCSEMaps) {
+ RemoveNodeFromCSEMaps(User);
+ UserRemovedFromCSEMaps = true;
}
- }
-
+
+ ++UI;
+ Use.set(To);
+ } while (UI != UE && *UI == User);
+
+ // We are iterating over all uses of the From node, so if a use
+ // doesn't use the specific value, no changes are made.
+ if (!UserRemovedFromCSEMaps)
+ continue;
+
// Now that we have modified User, add it back to the CSE maps. If it
// already exists there, recursively merge the results together.
- SDNode *Existing = AddNonLeafNodeToCSEMaps(User);
- if (!Existing) {
- if (UpdateListener) UpdateListener->NodeUpdated(User);
- continue; // Continue on to next user.
- }
-
- // If there was already an existing matching node, use ReplaceAllUsesWith
- // to replace the dead one with the existing one. This can cause
- // recursive merging of other unrelated nodes down the line.
- ReplaceAllUsesWith(User, Existing, UpdateListener);
-
- // User is now dead. Notify a listener if present.
- if (UpdateListener) UpdateListener->NodeDeleted(User, Existing);
- DeleteNodeNotInCSEMaps(User);
+ AddModifiedNodeToCSEMaps(User, UpdateListener);
+ }
+}
+
+namespace {
+ /// UseMemo - This class is used by SelectionDAG::ReplaceAllUsesOfValuesWith
+ /// to record information about a use.
+ struct UseMemo {
+ SDNode *User;
+ unsigned Index;
+ SDUse *Use;
+ };
+
+ /// operator< - Sort Memos by User.
+ bool operator<(const UseMemo &L, const UseMemo &R) {
+ return (intptr_t)L.User < (intptr_t)R.User;
}
}
/// ReplaceAllUsesOfValuesWith - Replace any uses of From with To, leaving
-/// uses of other values produced by From.getVal() alone. The same value may
-/// appear in both the From and To list. The Deleted vector is
+/// uses of other values produced by From.getNode() alone. The same value
+/// may appear in both the From and To list. The Deleted vector is
/// handled the same way as for ReplaceAllUsesWith.
void SelectionDAG::ReplaceAllUsesOfValuesWith(const SDValue *From,
const SDValue *To,
if (Num == 1)
return ReplaceAllUsesOfValueWith(*From, *To, UpdateListener);
- SmallVector<std::pair<SDNode *, unsigned>, 16> Users;
- for (unsigned i = 0; i != Num; ++i)
- for (SDNode::use_iterator UI = From[i].getNode()->use_begin(),
- E = From[i].getNode()->use_end(); UI != E; ++UI)
- Users.push_back(std::make_pair(*UI, i));
+ // Read up all the uses and make records of them. This helps
+ // processing new uses that are introduced during the
+ // replacement process.
+ SmallVector<UseMemo, 4> Uses;
+ for (unsigned i = 0; i != Num; ++i) {
+ unsigned FromResNo = From[i].getResNo();
+ SDNode *FromNode = From[i].getNode();
+ for (SDNode::use_iterator UI = FromNode->use_begin(),
+ E = FromNode->use_end(); UI != E; ++UI) {
+ SDUse &Use = UI.getUse();
+ if (Use.getResNo() == FromResNo) {
+ UseMemo Memo = { *UI, i, &Use };
+ Uses.push_back(Memo);
+ }
+ }
+ }
+
+ // Sort the uses, so that all the uses from a given User are together.
+ std::sort(Uses.begin(), Uses.end());
- while (!Users.empty()) {
+ for (unsigned UseIndex = 0, UseIndexEnd = Uses.size();
+ UseIndex != UseIndexEnd; ) {
// We know that this user uses some value of From. If it is the right
// value, update it.
- SDNode *User = Users.back().first;
- unsigned i = Users.back().second;
- Users.pop_back();
-
- // Scan for an operand that matches From.
- SDNode::op_iterator Op = User->op_begin(), E = User->op_end();
- for (; Op != E; ++Op)
- if (*Op == From[i]) break;
-
- // If there are no matches, the user must use some other result of From.
- if (Op == E) continue;
-
- // Okay, we know this user needs to be updated. Remove its old self
- // from the CSE maps.
+ SDNode *User = Uses[UseIndex].User;
+
+ // This node is about to morph, remove its old self from the CSE maps.
RemoveNodeFromCSEMaps(User);
-
- // Update all operands that match "From" in case there are multiple uses.
- for (; Op != E; ++Op) {
- if (*Op == From[i]) {
- From[i].getNode()->removeUser(Op-User->op_begin(), User);
- *Op = To[i];
- Op->setUser(User);
- To[i].getNode()->addUser(Op-User->op_begin(), User);
- }
- }
-
+
+ // The Uses array is sorted, so all the uses for a given User
+ // are next to each other in the list.
+ // To help reduce the number of CSE recomputations, process all
+ // the uses of this user that we can find this way.
+ do {
+ unsigned i = Uses[UseIndex].Index;
+ SDUse &Use = *Uses[UseIndex].Use;
+ ++UseIndex;
+
+ Use.set(To[i]);
+ } while (UseIndex != UseIndexEnd && Uses[UseIndex].User == User);
+
// Now that we have modified User, add it back to the CSE maps. If it
// already exists there, recursively merge the results together.
- SDNode *Existing = AddNonLeafNodeToCSEMaps(User);
- if (!Existing) {
- if (UpdateListener) UpdateListener->NodeUpdated(User);
- continue; // Continue on to next user.
- }
-
- // If there was already an existing matching node, use ReplaceAllUsesWith
- // to replace the dead one with the existing one. This can cause
- // recursive merging of other unrelated nodes down the line.
- ReplaceAllUsesWith(User, Existing, UpdateListener);
-
- // User is now dead. Notify a listener if present.
- if (UpdateListener) UpdateListener->NodeDeleted(User, Existing);
- DeleteNodeNotInCSEMaps(User);
+ AddModifiedNodeToCSEMaps(User, UpdateListener);
}
}
// SDNode Class
//===----------------------------------------------------------------------===//
-// Out-of-line virtual method to give class a home.
-void SDNode::ANCHOR() {}
-void UnarySDNode::ANCHOR() {}
-void BinarySDNode::ANCHOR() {}
-void TernarySDNode::ANCHOR() {}
-void HandleSDNode::ANCHOR() {}
-void ConstantSDNode::ANCHOR() {}
-void ConstantFPSDNode::ANCHOR() {}
-void GlobalAddressSDNode::ANCHOR() {}
-void FrameIndexSDNode::ANCHOR() {}
-void JumpTableSDNode::ANCHOR() {}
-void ConstantPoolSDNode::ANCHOR() {}
-void BasicBlockSDNode::ANCHOR() {}
-void SrcValueSDNode::ANCHOR() {}
-void MemOperandSDNode::ANCHOR() {}
-void RegisterSDNode::ANCHOR() {}
-void DbgStopPointSDNode::ANCHOR() {}
-void LabelSDNode::ANCHOR() {}
-void ExternalSymbolSDNode::ANCHOR() {}
-void CondCodeSDNode::ANCHOR() {}
-void ARG_FLAGSSDNode::ANCHOR() {}
-void VTSDNode::ANCHOR() {}
-void MemSDNode::ANCHOR() {}
-void LoadSDNode::ANCHOR() {}
-void StoreSDNode::ANCHOR() {}
-void AtomicSDNode::ANCHOR() {}
-void MemIntrinsicSDNode::ANCHOR() {}
-void CallSDNode::ANCHOR() {}
-void CvtRndSatSDNode::ANCHOR() {}
-
HandleSDNode::~HandleSDNode() {
DropOperands();
}
MemSDNode::MemSDNode(unsigned Opc, SDVTList VTs, MVT memvt,
const Value *srcValue, int SVO,
unsigned alignment, bool vol)
- : SDNode(Opc, VTs), MemoryVT(memvt), SrcValue(srcValue), SVOffset(SVO),
- Flags(encodeMemSDNodeFlags(vol, alignment)) {
-
+ : SDNode(Opc, VTs), MemoryVT(memvt), SrcValue(srcValue), SVOffset(SVO) {
+ SubclassData = encodeMemSDNodeFlags(0, ISD::UNINDEXED, vol, alignment);
assert(isPowerOf2_32(alignment) && "Alignment is not a power of 2!");
assert(getAlignment() == alignment && "Alignment representation error!");
assert(isVolatile() == vol && "Volatile representation error!");
unsigned NumOps, MVT memvt, const Value *srcValue,
int SVO, unsigned alignment, bool vol)
: SDNode(Opc, VTs, Ops, NumOps),
- MemoryVT(memvt), SrcValue(srcValue), SVOffset(SVO),
- Flags(vol | ((Log2_32(alignment) + 1) << 1)) {
+ MemoryVT(memvt), SrcValue(srcValue), SVOffset(SVO) {
+ SubclassData = encodeMemSDNodeFlags(0, ISD::UNINDEXED, vol, alignment);
+ assert(isPowerOf2_32(alignment) && "Alignment is not a power of 2!");
+ assert(getAlignment() == alignment && "Alignment representation error!");
+ assert(isVolatile() == vol && "Volatile representation error!");
+}
+
+MemSDNode::MemSDNode(unsigned Opc, DebugLoc dl, SDVTList VTs, MVT memvt,
+ const Value *srcValue, int SVO,
+ unsigned alignment, bool vol)
+ : SDNode(Opc, dl, VTs), MemoryVT(memvt), SrcValue(srcValue), SVOffset(SVO) {
+ SubclassData = encodeMemSDNodeFlags(0, ISD::UNINDEXED, vol, alignment);
+ assert(isPowerOf2_32(alignment) && "Alignment is not a power of 2!");
+ assert(getAlignment() == alignment && "Alignment representation error!");
+ assert(isVolatile() == vol && "Volatile representation error!");
+}
+
+MemSDNode::MemSDNode(unsigned Opc, DebugLoc dl, SDVTList VTs,
+ const SDValue *Ops,
+ unsigned NumOps, MVT memvt, const Value *srcValue,
+ int SVO, unsigned alignment, bool vol)
+ : SDNode(Opc, dl, VTs, Ops, NumOps),
+ MemoryVT(memvt), SrcValue(srcValue), SVOffset(SVO) {
+ SubclassData = encodeMemSDNodeFlags(0, ISD::UNINDEXED, vol, alignment);
assert(isPowerOf2_32(alignment) && "Alignment is not a power of 2!");
assert(getAlignment() == alignment && "Alignment representation error!");
assert(isVolatile() == vol && "Volatile representation error!");
// TODO: Only iterate over uses of a given value of the node
for (SDNode::use_iterator UI = use_begin(), E = use_end(); UI != E; ++UI) {
- if (UI.getUse().getSDValue().getResNo() == Value) {
+ if (UI.getUse().getResNo() == Value) {
if (NUses == 0)
return false;
--NUses;
assert(Value < getNumValues() && "Bad value!");
for (SDNode::use_iterator UI = use_begin(), E = use_end(); UI != E; ++UI)
- if (UI.getUse().getSDValue().getResNo() == Value)
+ if (UI.getUse().getResNo() == Value)
return true;
return false;
bool SDNode::isOperandOf(SDNode *N) const {
for (unsigned i = 0, e = N->NumOperands; i != e; ++i)
- if (this == N->OperandList[i].getVal())
+ if (this == N->OperandList[i].getNode())
return true;
return false;
}
errs().flush();
}
-void SDNode::print(raw_ostream &OS, const SelectionDAG *G) const {
+void SDNode::print_types(raw_ostream &OS, const SelectionDAG *G) const {
OS << (void*)this << ": ";
for (unsigned i = 0, e = getNumValues(); i != e; ++i) {
OS << getValueType(i).getMVTString();
}
OS << " = " << getOperationName(G);
+}
- OS << " ";
- for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
- if (i) OS << ", ";
- OS << (void*)getOperand(i).getNode();
- if (unsigned RN = getOperand(i).getResNo())
- OS << ":" << RN;
- }
-
+void SDNode::print_details(raw_ostream &OS, const SelectionDAG *G) const {
if (!isTargetOpcode() && getOpcode() == ISD::VECTOR_SHUFFLE) {
SDNode *Mask = getOperand(2).getNode();
OS << "<";
}
}
+void SDNode::print(raw_ostream &OS, const SelectionDAG *G) const {
+ print_types(OS, G);
+ OS << " ";
+ for (unsigned i = 0, e = getNumOperands(); i != e; ++i) {
+ if (i) OS << ", ";
+ OS << (void*)getOperand(i).getNode();
+ if (unsigned RN = getOperand(i).getResNo())
+ OS << ":" << RN;
+ }
+ print_details(OS, G);
+}
+
static void DumpNodes(const SDNode *N, unsigned indent, const SelectionDAG *G) {
for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i)
if (N->getOperand(i).getNode()->hasOneUse())
cerr << "\n\n";
}
+void SDNode::printr(raw_ostream &OS, const SelectionDAG *G) const {
+ print_types(OS, G);
+ print_details(OS, G);
+}
+
+typedef SmallPtrSet<const SDNode *, 128> VisitedSDNodeSet;
+static void DumpNodesr(raw_ostream &OS, const SDNode *N, unsigned indent, const SelectionDAG *G, VisitedSDNodeSet &once) {
+ if (!once.insert(N)) // If we've been here before, return now.
+ return;
+ // Dump the current SDNode, but don't end the line yet.
+ OS << std::string(indent, ' ');
+ N->printr(OS, G);
+ // Having printed this SDNode, walk the children:
+ for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
+ const SDNode *child = N->getOperand(i).getNode();
+ if (i) OS << ",";
+ OS << " ";
+ if (child->getNumOperands() == 0) {
+ // This child has no grandchildren; print it inline right here.
+ child->printr(OS, G);
+ once.insert(child);
+ } else { // Just the address. FIXME: also print the child's opcode
+ OS << (void*)child;
+ if (unsigned RN = N->getOperand(i).getResNo())
+ OS << ":" << RN;
+ }
+ }
+ OS << "\n";
+ // Dump children that have grandchildren on their own line(s).
+ for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i) {
+ const SDNode *child = N->getOperand(i).getNode();
+ DumpNodesr(OS, child, indent+2, G, once);
+ }
+}
+
+void SDNode::dumpr() const {
+ VisitedSDNodeSet once;
+ DumpNodesr(errs(), this, 0, 0, once);
+ errs().flush();
+}
+
const Type *ConstantPoolSDNode::getType() const {
if (isMachineConstantPoolEntry())
return Val.MachineCPVal->getType();
projects / oota-llvm.git / blobdiff