};
class SelectionDAG;
-void checkForCycles(const SDNode *N);
-void checkForCycles(const SelectionDAG *DAG);
+void checkForCycles(const SelectionDAG *DAG, bool force = false);
/// SelectionDAG class - This is used to represent a portion of an LLVM function
/// in a low-level Data Dependence DAG representation suitable for instruction
assert((!N.getNode() || N.getValueType() == MVT::Other) &&
"DAG root value is not a chain!");
if (N.getNode())
- checkForCycles(N.getNode());
+ checkForCycles(N.getNode(), this);
Root = N;
if (N.getNode())
checkForCycles(this);
SDValue Glue) {
SDVTList VTs = getVTList(MVT::Other, MVT::Glue);
SDValue Ops[] = { Chain, getRegister(Reg, N.getValueType()), N, Glue };
- return getNode(ISD::CopyToReg, dl, VTs, Ops, Glue.getNode() ? 4 : 3);
+ return getNode(ISD::CopyToReg, dl, VTs,
+ ArrayRef<SDValue>(Ops, Glue.getNode() ? 4 : 3));
}
// Similar to last getCopyToReg() except parameter Reg is a SDValue
SDValue Glue) {
SDVTList VTs = getVTList(MVT::Other, MVT::Glue);
SDValue Ops[] = { Chain, Reg, N, Glue };
- return getNode(ISD::CopyToReg, dl, VTs, Ops, Glue.getNode() ? 4 : 3);
+ return getNode(ISD::CopyToReg, dl, VTs,
+ ArrayRef<SDValue>(Ops, Glue.getNode() ? 4 : 3));
}
SDValue getCopyFromReg(SDValue Chain, SDLoc dl, unsigned Reg, EVT VT) {
SDVTList VTs = getVTList(VT, MVT::Other);
SDValue Ops[] = { Chain, getRegister(Reg, VT) };
- return getNode(ISD::CopyFromReg, dl, VTs, Ops, 2);
+ return getNode(ISD::CopyFromReg, dl, VTs, Ops);
}
// This version of the getCopyFromReg method takes an extra operand, which
SDValue Glue) {
SDVTList VTs = getVTList(VT, MVT::Other, MVT::Glue);
SDValue Ops[] = { Chain, getRegister(Reg, VT), Glue };
- return getNode(ISD::CopyFromReg, dl, VTs, Ops, Glue.getNode() ? 3 : 2);
+ return getNode(ISD::CopyFromReg, dl, VTs,
+ ArrayRef<SDValue>(Ops, Glue.getNode() ? 3 : 2));
}
SDValue getCondCode(ISD::CondCode Cond);
/// undefined.
SDValue getVectorShuffle(EVT VT, SDLoc dl, SDValue N1, SDValue N2,
const int *MaskElts);
+ SDValue getVectorShuffle(EVT VT, SDLoc dl, SDValue N1, SDValue N2,
+ ArrayRef<int> MaskElts) {
+ assert(VT.getVectorNumElements() == MaskElts.size() &&
+ "Must have the same number of vector elements as mask elements!");
+ return getVectorShuffle(VT, dl, N1, N2, MaskElts.data());
+ }
/// getAnyExtOrTrunc - Convert Op, which must be of integer type, to the
/// integer type VT, by either any-extending or truncating it.
/// value assuming it was the smaller SrcTy value.
SDValue getZeroExtendInReg(SDValue Op, SDLoc DL, EVT SrcTy);
+ /// getBoolExtOrTrunc - Convert Op, which must be of integer type, to the
+ /// integer type VT, by using an extension appropriate for the target's
+ /// BooleanContent or truncating it.
+ SDValue getBoolExtOrTrunc(SDValue Op, SDLoc SL, EVT VT);
+
/// getNOT - Create a bitwise NOT operation as (XOR Val, -1).
SDValue getNOT(SDLoc DL, SDValue Val, EVT VT);
+ /// \brief Create a logical NOT operation as (XOR Val, BooleanOne).
+ SDValue getLogicalNOT(SDLoc DL, SDValue Val, EVT VT);
+
/// getCALLSEQ_START - Return a new CALLSEQ_START node, which always must have
/// a glue result (to ensure it's not CSE'd). CALLSEQ_START does not have a
/// useful SDLoc.
SDValue getCALLSEQ_START(SDValue Chain, SDValue Op, SDLoc DL) {
SDVTList VTs = getVTList(MVT::Other, MVT::Glue);
SDValue Ops[] = { Chain, Op };
- return getNode(ISD::CALLSEQ_START, DL, VTs, Ops, 2);
+ return getNode(ISD::CALLSEQ_START, DL, VTs, Ops);
}
/// getCALLSEQ_END - Return a new CALLSEQ_END node, which always must have a
Ops.push_back(Chain);
Ops.push_back(Op1);
Ops.push_back(Op2);
- Ops.push_back(InGlue);
- return getNode(ISD::CALLSEQ_END, DL, NodeTys, &Ops[0],
- (unsigned)Ops.size() - (InGlue.getNode()==nullptr ? 1 : 0));
+ if (InGlue.getNode())
+ Ops.push_back(InGlue);
+ return getNode(ISD::CALLSEQ_END, DL, NodeTys, Ops);
}
/// getUNDEF - Return an UNDEF node. UNDEF does not have a useful SDLoc.
SDValue getNode(unsigned Opcode, SDLoc DL, EVT VT,
SDValue N1, SDValue N2, SDValue N3, SDValue N4,
SDValue N5);
+ SDValue getNode(unsigned Opcode, SDLoc DL, EVT VT, ArrayRef<SDUse> Ops);
SDValue getNode(unsigned Opcode, SDLoc DL, EVT VT,
- const SDUse *Ops, unsigned NumOps);
- SDValue getNode(unsigned Opcode, SDLoc DL, EVT VT,
- const SDValue *Ops, unsigned NumOps);
+ ArrayRef<SDValue> Ops);
SDValue getNode(unsigned Opcode, SDLoc DL,
ArrayRef<EVT> ResultTys,
- const SDValue *Ops, unsigned NumOps);
- SDValue getNode(unsigned Opcode, SDLoc DL, const EVT *VTs, unsigned NumVTs,
- const SDValue *Ops, unsigned NumOps);
+ ArrayRef<SDValue> Ops);
SDValue getNode(unsigned Opcode, SDLoc DL, SDVTList VTs,
- const SDValue *Ops, unsigned NumOps);
+ ArrayRef<SDValue> Ops);
SDValue getNode(unsigned Opcode, SDLoc DL, SDVTList VTs);
SDValue getNode(unsigned Opcode, SDLoc DL, SDVTList VTs, SDValue N);
SDValue getNode(unsigned Opcode, SDLoc DL, SDVTList VTs,
/// getAtomic - Gets a node for an atomic op, produces result and chain and
/// takes N operands.
SDValue getAtomic(unsigned Opcode, SDLoc dl, EVT MemVT, SDVTList VTList,
- SDValue *Ops, unsigned NumOps, MachineMemOperand *MMO,
+ ArrayRef<SDValue> Ops, MachineMemOperand *MMO,
AtomicOrdering SuccessOrdering,
AtomicOrdering FailureOrdering,
SynchronizationScope SynchScope);
SDValue getAtomic(unsigned Opcode, SDLoc dl, EVT MemVT, SDVTList VTList,
- SDValue *Ops, unsigned NumOps, MachineMemOperand *MMO,
+ ArrayRef<SDValue> Ops, MachineMemOperand *MMO,
AtomicOrdering Ordering, SynchronizationScope SynchScope);
/// getMemIntrinsicNode - Creates a MemIntrinsicNode that may produce a
/// result and takes a list of operands. Opcode may be INTRINSIC_VOID,
/// INTRINSIC_W_CHAIN, or a target-specific opcode with a value not
/// less than FIRST_TARGET_MEMORY_OPCODE.
- SDValue getMemIntrinsicNode(unsigned Opcode, SDLoc dl,
- const EVT *VTs, unsigned NumVTs,
- const SDValue *Ops, unsigned NumOps,
- EVT MemVT, MachinePointerInfo PtrInfo,
- unsigned Align = 0, bool Vol = false,
- bool ReadMem = true, bool WriteMem = true);
-
SDValue getMemIntrinsicNode(unsigned Opcode, SDLoc dl, SDVTList VTList,
- const SDValue *Ops, unsigned NumOps,
+ ArrayRef<SDValue> Ops,
EVT MemVT, MachinePointerInfo PtrInfo,
unsigned Align = 0, bool Vol = false,
bool ReadMem = true, bool WriteMem = true);
SDValue getMemIntrinsicNode(unsigned Opcode, SDLoc dl, SDVTList VTList,
- const SDValue *Ops, unsigned NumOps,
+ ArrayRef<SDValue> Ops,
EVT MemVT, MachineMemOperand *MMO);
/// getMergeValues - Create a MERGE_VALUES node from the given operands.
- SDValue getMergeValues(const SDValue *Ops, unsigned NumOps, SDLoc dl);
+ SDValue getMergeValues(ArrayRef<SDValue> Ops, SDLoc dl);
/// getLoad - Loads are not normal binary operators: their result type is not
/// determined by their operands, and they produce a value AND a token chain.
SDValue Op3, SDValue Op4);
SDNode *UpdateNodeOperands(SDNode *N, SDValue Op1, SDValue Op2,
SDValue Op3, SDValue Op4, SDValue Op5);
- SDNode *UpdateNodeOperands(SDNode *N,
- const SDValue *Ops, unsigned NumOps);
+ SDNode *UpdateNodeOperands(SDNode *N, ArrayRef<SDValue> Ops);
/// SelectNodeTo - These are used for target selectors to *mutate* the
/// specified node to have the specified return type, Target opcode, and
SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, EVT VT,
SDValue Op1, SDValue Op2, SDValue Op3);
SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, EVT VT,
- const SDValue *Ops, unsigned NumOps);
+ ArrayRef<SDValue> Ops);
SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, EVT VT1, EVT VT2);
SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, EVT VT1,
- EVT VT2, const SDValue *Ops, unsigned NumOps);
+ EVT VT2, ArrayRef<SDValue> Ops);
SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, EVT VT1,
- EVT VT2, EVT VT3, const SDValue *Ops, unsigned NumOps);
+ EVT VT2, EVT VT3, ArrayRef<SDValue> Ops);
SDNode *SelectNodeTo(SDNode *N, unsigned MachineOpc, EVT VT1,
- EVT VT2, EVT VT3, EVT VT4, const SDValue *Ops,
- unsigned NumOps);
+ EVT VT2, EVT VT3, EVT VT4, ArrayRef<SDValue> Ops);
SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, EVT VT1,
EVT VT2, SDValue Op1);
SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, EVT VT1,
SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, EVT VT1,
EVT VT2, EVT VT3, SDValue Op1, SDValue Op2, SDValue Op3);
SDNode *SelectNodeTo(SDNode *N, unsigned TargetOpc, SDVTList VTs,
- const SDValue *Ops, unsigned NumOps);
+ ArrayRef<SDValue> Ops);
/// MorphNodeTo - This *mutates* the specified node to have the specified
/// return type, opcode, and operands.
SDNode *MorphNodeTo(SDNode *N, unsigned Opc, SDVTList VTs,
- const SDValue *Ops, unsigned NumOps);
+ ArrayRef<SDValue> Ops);
/// getMachineNode - These are used for target selectors to create a new node
/// with specified return type(s), MachineInstr opcode, and operands.
/// getNodeIfExists - Get the specified node if it's already available, or
/// else return NULL.
- SDNode *getNodeIfExists(unsigned Opcode, SDVTList VTs,
- const SDValue *Ops, unsigned NumOps);
+ SDNode *getNodeIfExists(unsigned Opcode, SDVTList VTs, ArrayRef<SDValue> Ops);
/// getDbgValue - Creates a SDDbgValue node.
///
bool MaskedValueIsZero(SDValue Op, const APInt &Mask, unsigned Depth = 0)
const;
- /// ComputeMaskedBits - Determine which of the bits specified in Mask are
- /// known to be either zero or one and return them in the KnownZero/KnownOne
- /// bitsets. This code only analyzes bits in Mask, in order to short-circuit
- /// processing. Targets can implement the computeMaskedBitsForTargetNode
- /// method in the TargetLowering class to allow target nodes to be understood.
- void ComputeMaskedBits(SDValue Op, APInt &KnownZero, APInt &KnownOne,
- unsigned Depth = 0) const;
+ /// Determine which bits of Op are known to be either zero or one and return
+ /// them in the KnownZero/KnownOne bitsets. Targets can implement the
+ /// computeKnownBitsForTargetNode method in the TargetLowering class to allow
+ /// target nodes to be understood.
+ void computeKnownBits(SDValue Op, APInt &KnownZero, APInt &KnownOne,
+ unsigned Depth = 0) const;
/// ComputeNumSignBits - Return the number of times the sign bit of the
/// register is replicated into the other bits. We know that at least 1 bit
SDNode *FindModifiedNodeSlot(SDNode *N, SDValue Op, void *&InsertPos);
SDNode *FindModifiedNodeSlot(SDNode *N, SDValue Op1, SDValue Op2,
void *&InsertPos);
- SDNode *FindModifiedNodeSlot(SDNode *N, const SDValue *Ops, unsigned NumOps,
+ SDNode *FindModifiedNodeSlot(SDNode *N, ArrayRef<SDValue> Ops,
void *&InsertPos);
SDNode *UpdadeSDLocOnMergedSDNode(SDNode *N, SDLoc loc);
projects / oota-llvm.git / blobdiff