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Backing out 48222 temporarily.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49124 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2008-04-03 03:13:16 +00:00
parent ee4fa1977d
commit 6397c64441
11 changed files with 177 additions and 371 deletions
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10
include/llvm/CodeGen/ScheduleDAG.h
View File

@ -331,7 +331,7 @@ namespace llvm {
/// register number for the results of the node.
///
void EmitNode(SDNode *Node, unsigned InstNo,
DenseMap<SDOperandImpl, unsigned> &VRBaseMap);
DenseMap<SDOperand, unsigned> &VRBaseMap);
/// EmitNoop - Emit a noop instruction.
///
@ -343,11 +343,11 @@ namespace llvm {
/// implicit physical register output.
void EmitCopyFromReg(SDNode *Node, unsigned ResNo, unsigned InstNo,
unsigned SrcReg,
DenseMap<SDOperandImpl, unsigned> &VRBaseMap);
DenseMap<SDOperand, unsigned> &VRBaseMap);
void CreateVirtualRegisters(SDNode *Node, MachineInstr *MI,
const TargetInstrDesc &II,
DenseMap<SDOperandImpl, unsigned> &VRBaseMap);
DenseMap<SDOperand, unsigned> &VRBaseMap);
/// EmitLiveInCopy - Emit a copy for a live in physical register. If the
/// physical register has only a single copy use, then coalesced the copy
@ -375,11 +375,11 @@ namespace llvm {
/// EmitSubregNode - Generate machine code for subreg nodes.
///
void EmitSubregNode(SDNode *Node,
DenseMap<SDOperandImpl, unsigned> &VRBaseMap);
DenseMap<SDOperand, unsigned> &VRBaseMap);
void AddOperand(MachineInstr *MI, SDOperand Op, unsigned IIOpNum,
const TargetInstrDesc *II,
DenseMap<SDOperandImpl, unsigned> &VRBaseMap);
DenseMap<SDOperand, unsigned> &VRBaseMap);
void AddMemOperand(MachineInstr *MI, const MemOperand &MO);
};

277
include/llvm/CodeGen/SelectionDAGNodes.h
View File

@ -779,7 +779,7 @@ namespace ISD {
//===----------------------------------------------------------------------===//
/// SDOperandImpl - Unlike LLVM values, Selection DAG nodes may return multiple
/// SDOperand - Unlike LLVM values, Selection DAG nodes may return multiple
/// values as the result of a computation. Many nodes return multiple values,
/// from loads (which define a token and a return value) to ADDC (which returns
/// a result and a carry value), to calls (which may return an arbitrary number
@ -787,28 +787,28 @@ namespace ISD {
///
/// As such, each use of a SelectionDAG computation must indicate the node that
/// computes it as well as which return value to use from that node. This pair
/// of information is represented with the SDOperandImpl value type.
/// of information is represented with the SDOperand value type.
///
class SDOperandImpl {
class SDOperand {
public:
SDNode *Val; // The node defining the value we are using.
unsigned ResNo; // Which return value of the node we are using.
SDOperandImpl() : Val(0), ResNo(0) {}
SDOperandImpl(SDNode *val, unsigned resno) : Val(val), ResNo(resno) {}
SDOperand() : Val(0), ResNo(0) {}
SDOperand(SDNode *val, unsigned resno) : Val(val), ResNo(resno) {}
bool operator==(const SDOperandImpl &O) const {
bool operator==(const SDOperand &O) const {
return Val == O.Val && ResNo == O.ResNo;
}
bool operator!=(const SDOperandImpl &O) const {
bool operator!=(const SDOperand &O) const {
return !operator==(O);
}
bool operator<(const SDOperandImpl &O) const {
bool operator<(const SDOperand &O) const {
return Val < O.Val || (Val == O.Val && ResNo < O.ResNo);
}
SDOperandImpl getValue(unsigned R) const {
return SDOperandImpl(Val, R);
SDOperand getValue(unsigned R) const {
return SDOperand(Val, R);
}
// isOperandOf - Return true if this node is an operand of N.
@ -827,7 +827,7 @@ public:
// Forwarding methods - These forward to the corresponding methods in SDNode.
inline unsigned getOpcode() const;
inline unsigned getNumOperands() const;
inline const SDOperandImpl &getOperand(unsigned i) const;
inline const SDOperand &getOperand(unsigned i) const;
inline uint64_t getConstantOperandVal(unsigned i) const;
inline bool isTargetOpcode() const;
inline unsigned getTargetOpcode() const;
@ -838,8 +838,7 @@ public:
/// side-effecting instructions. In practice, this looks through token
/// factors and non-volatile loads. In order to remain efficient, this only
/// looks a couple of nodes in, it does not do an exhaustive search.
bool reachesChainWithoutSideEffects(SDOperandImpl Dest,
unsigned Depth = 2) const;
bool reachesChainWithoutSideEffects(SDOperand Dest, unsigned Depth = 2) const;
/// hasOneUse - Return true if there is exactly one operation using this
/// result value of the defining operator.
@ -851,105 +850,19 @@ public:
};
template<> struct DenseMapInfo<SDOperandImpl> {
static inline SDOperandImpl getEmptyKey() {
return SDOperandImpl((SDNode*)-1, -1U);
}
static inline SDOperandImpl getTombstoneKey() {
return SDOperandImpl((SDNode*)-1, 0);
}
static unsigned getHashValue(const SDOperandImpl &Val) {
template<> struct DenseMapInfo<SDOperand> {
static inline SDOperand getEmptyKey() { return SDOperand((SDNode*)-1, -1U); }
static inline SDOperand getTombstoneKey() { return SDOperand((SDNode*)-1, 0);}
static unsigned getHashValue(const SDOperand &Val) {
return ((unsigned)((uintptr_t)Val.Val >> 4) ^
(unsigned)((uintptr_t)Val.Val >> 9)) + Val.ResNo;
}
static bool isEqual(const SDOperandImpl &LHS, const SDOperandImpl &RHS) {
static bool isEqual(const SDOperand &LHS, const SDOperand &RHS) {
return LHS == RHS;
}
static bool isPod() { return true; }
};
/// simplify_type specializations - Allow casting operators to work directly on
/// SDOperands as if they were SDNode*'s.
template<> struct simplify_type<SDOperandImpl> {
typedef SDNode* SimpleType;
static SimpleType getSimplifiedValue(const SDOperandImpl &Val) {
return static_cast<SimpleType>(Val.Val);
}
};
template<> struct simplify_type<const SDOperandImpl> {
typedef SDNode* SimpleType;
static SimpleType getSimplifiedValue(const SDOperandImpl &Val) {
return static_cast<SimpleType>(Val.Val);
}
};
/// SDOperand - Represents a use of the SDNode referred by
/// the SDOperandImpl.
class SDOperand: public SDOperandImpl {
/// parent - Parent node of this operand.
SDNode *parent;
/// Prev, next - Pointers to the uses list of the SDNode referred by
/// this operand.
SDOperand **Prev, *Next;
public:
friend class SDNode;
SDOperand(): SDOperandImpl(), parent(NULL), Prev(NULL), Next(NULL) {}
SDOperand(SDNode *val, unsigned resno) :
SDOperandImpl(val,resno), parent(NULL), Prev(NULL), Next(NULL) {}
SDOperand(const SDOperandImpl& Op): SDOperandImpl(Op),parent(NULL),
Prev(NULL), Next(NULL) {
}
SDOperand& operator= (SDOperandImpl& Op) {
*(SDOperandImpl*)this = Op;
Next = NULL;
Prev = NULL;
return *this;
}
SDOperand& operator= (const SDOperandImpl& Op) {
*(SDOperandImpl*)this = Op;
Next = NULL;
Prev = NULL;
return *this;
}
SDOperand& operator= (SDOperand& Op) {
*(SDOperandImpl*)this = Op;
Next = NULL;
Prev = NULL;
return *this;
}
SDOperand& operator= (const SDOperand& Op) {
*(SDOperandImpl*)this = Op;
Next = NULL;
Prev = NULL;
return *this;
}
SDOperand * getNext() { return Next; }
SDNode *getUser() { return parent; }
void setUser(SDNode *p) { parent = p; }
protected:
void addToList(SDOperand **List) {
Next = *List;
if (Next) Next->Prev = &Next;
Prev = List;
*List = this;
}
void removeFromList() {
*Prev = Next;
if (Next) Next->Prev = Prev;
}
};
/// simplify_type specializations - Allow casting operators to work directly on
/// SDOperands as if they were SDNode*'s.
template<> struct simplify_type<SDOperand> {
@ -969,7 +882,6 @@ template<> struct simplify_type<const SDOperand> {
/// SDNode - Represents one node in the SelectionDAG.
///
class SDNode : public FoldingSetNode {
private:
/// NodeType - The operation that this node performs.
///
unsigned short NodeType;
@ -997,15 +909,10 @@ private:
SDNode *Prev, *Next;
friend struct ilist_traits<SDNode>;
/// UsesSize - The size of the uses list.
unsigned UsesSize;
/// Uses - List of uses for this SDNode.
SDOperand *Uses;
/// addUse - add SDOperand to the list of uses.
void addUse(SDOperand &U) { U.addToList(&Uses); }
/// Uses - These are all of the SDNode's that use a value produced by this
/// node.
SmallVector<SDNode*,3> Uses;
// Out-of-line virtual method to give class a home.
virtual void ANCHOR();
public:
@ -1024,9 +931,9 @@ public:
return NodeType - ISD::BUILTIN_OP_END;
}
size_t use_size() const { return UsesSize; }
bool use_empty() const { return Uses == NULL; }
bool hasOneUse() const { return use_size() == 1; }
size_t use_size() const { return Uses.size(); }
bool use_empty() const { return Uses.empty(); }
bool hasOneUse() const { return Uses.size() == 1; }
/// getNodeId - Return the unique node id.
///
@ -1035,75 +942,9 @@ public:
/// setNodeId - Set unique node id.
void setNodeId(int Id) { NodeId = Id; }
/// use_iterator - This class provides iterator support for SDOperand
/// operands that use a specific SDNode.
class use_iterator
: public forward_iterator<SDOperand, ptrdiff_t> {
SDOperand *Op;
explicit use_iterator(SDOperand *op) : Op(op) {
}
friend class SDNode;
public:
typedef forward_iterator<SDOperand, ptrdiff_t>::reference reference;
typedef forward_iterator<SDOperand, ptrdiff_t>::pointer pointer;
use_iterator(const use_iterator &I) : Op(I.Op) {}
use_iterator() : Op(0) {}
bool operator==(const use_iterator &x) const {
return Op == x.Op;
}
bool operator!=(const use_iterator &x) const {
return !operator==(x);
}
/// atEnd - return true if this iterator is at the end of uses list.
bool atEnd() const { return Op == 0; }
// Iterator traversal: forward iteration only.
use_iterator &operator++() { // Preincrement
assert(Op && "Cannot increment end iterator!");
Op = Op->getNext();
return *this;
}
use_iterator operator++(int) { // Postincrement
use_iterator tmp = *this; ++*this; return tmp;
}
/// getOperandNum - Retrive a number of a current operand.
unsigned getOperandNum() const {
assert(Op && "Cannot dereference end iterator!");
return (Op - Op->getUser()->OperandList);
}
/// Retrieve a reference to the current operand.
SDOperand &operator*() const {
assert(Op && "Cannot dereference end iterator!");
return *Op;
}
/// Retrieve a pointer to the current operand.
SDOperand *operator->() const {
assert(Op && "Cannot dereference end iterator!");
return Op;
}
};
/// use_begin/use_end - Provide iteration support to walk over all uses
/// of an SDNode.
use_iterator use_begin(SDNode *node) const {
return use_iterator(node->Uses);
}
use_iterator use_begin() const {
return use_iterator(Uses);
}
static use_iterator use_end() { return use_iterator(0); }
typedef SmallVector<SDNode*,3>::const_iterator use_iterator;
use_iterator use_begin() const { return Uses.begin(); }
use_iterator use_end() const { return Uses.end(); }
/// hasNUsesOfValue - Return true if there are exactly NUSES uses of the
/// indicated value. This method ignores uses of other values defined by this
@ -1141,7 +982,7 @@ public:
return OperandList[Num];
}
typedef SDOperand* op_iterator;
typedef const SDOperand* op_iterator;
op_iterator op_begin() const { return OperandList; }
op_iterator op_end() const { return OperandList+NumOperands; }
@ -1198,28 +1039,25 @@ protected:
}
SDNode(unsigned Opc, SDVTList VTs, const SDOperand *Ops, unsigned NumOps)
: NodeType(Opc), NodeId(-1), UsesSize(0), Uses(NULL) {
: NodeType(Opc), NodeId(-1) {
OperandsNeedDelete = true;
NumOperands = NumOps;
OperandList = NumOps ? new SDOperand[NumOperands] : 0;
for (unsigned i = 0; i != NumOps; ++i) {
OperandList[i] = Ops[i];
OperandList[i].setUser(this);
Ops[i].Val->addUse(OperandList[i]);
++Ops[i].Val->UsesSize;
Ops[i].Val->Uses.push_back(this);
}
ValueList = VTs.VTs;
NumValues = VTs.NumVTs;
Prev = 0; Next = 0;
}
SDNode(unsigned Opc, SDVTList VTs)
: NodeType(Opc), NodeId(-1), UsesSize(0), Uses(NULL) {
SDNode(unsigned Opc, SDVTList VTs) : NodeType(Opc), NodeId(-1) {
OperandsNeedDelete = false; // Operands set with InitOperands.
NumOperands = 0;
OperandList = 0;
ValueList = VTs.VTs;
NumValues = VTs.NumVTs;
Prev = 0; Next = 0;
@ -1232,14 +1070,9 @@ protected:
assert(OperandList == 0 && "Operands already set!");
NumOperands = NumOps;
OperandList = Ops;
UsesSize = 0;
Uses = NULL;
for (unsigned i = 0; i != NumOps; ++i) {
OperandList[i].setUser(this);
Ops[i].Val->addUse(OperandList[i]);
++Ops[i].Val->UsesSize;
}
for (unsigned i = 0; i != NumOps; ++i)
Ops[i].Val->Uses.push_back(this);
}
/// MorphNodeTo - This frees the operands of the current node, resets the
@ -1248,48 +1081,50 @@ protected:
void MorphNodeTo(unsigned Opc, SDVTList L,
const SDOperand *Ops, unsigned NumOps);
void addUser(unsigned i, SDNode *User) {
assert(User->OperandList[i].getUser() && "Node without parent");
addUse(User->OperandList[i]);
++UsesSize;
void addUser(SDNode *User) {
Uses.push_back(User);
}
void removeUser(unsigned i, SDNode *User) {
assert(User->OperandList[i].getUser() && "Node without parent");
SDOperand &Op = User->OperandList[i];
Op.removeFromList();
--UsesSize;
void removeUser(SDNode *User) {
// Remove this user from the operand's use list.
for (unsigned i = Uses.size(); ; --i) {
assert(i != 0 && "Didn't find user!");
if (Uses[i-1] == User) {
Uses[i-1] = Uses.back();
Uses.pop_back();
return;
}
}
}
};
// Define inline functions from the SDOperandImpl class.
// Define inline functions from the SDOperand class.
inline unsigned SDOperandImpl::getOpcode() const {
inline unsigned SDOperand::getOpcode() const {
return Val->getOpcode();
}
inline MVT::ValueType SDOperandImpl::getValueType() const {
inline MVT::ValueType SDOperand::getValueType() const {
return Val->getValueType(ResNo);
}
inline unsigned SDOperandImpl::getNumOperands() const {
inline unsigned SDOperand::getNumOperands() const {
return Val->getNumOperands();
}
inline const SDOperandImpl &SDOperandImpl::getOperand(unsigned i) const {
inline const SDOperand &SDOperand::getOperand(unsigned i) const {
return Val->getOperand(i);
}
inline uint64_t SDOperandImpl::getConstantOperandVal(unsigned i) const {
inline uint64_t SDOperand::getConstantOperandVal(unsigned i) const {
return Val->getConstantOperandVal(i);
}
inline bool SDOperandImpl::isTargetOpcode() const {
inline bool SDOperand::isTargetOpcode() const {
return Val->isTargetOpcode();
}
inline unsigned SDOperandImpl::getTargetOpcode() const {
inline unsigned SDOperand::getTargetOpcode() const {
return Val->getTargetOpcode();
}
inline bool SDOperandImpl::hasOneUse() const {
inline bool SDOperand::hasOneUse() const {
return Val->hasNUsesOfValue(1, ResNo);
}
inline bool SDOperandImpl::use_empty() const {
inline bool SDOperand::use_empty() const {
return !Val->hasAnyUseOfValue(ResNo);
}

16
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
View File

@ -78,7 +78,7 @@ namespace {
void AddUsersToWorkList(SDNode *N) {
for (SDNode::use_iterator UI = N->use_begin(), UE = N->use_end();
UI != UE; ++UI)
AddToWorkList(UI->getUser());
AddToWorkList(*UI);
}
/// visit - call the node-specific routine that knows how to fold each
@ -2704,7 +2704,7 @@ static bool ExtendUsesToFormExtLoad(SDNode *N, SDOperand N0,
bool isTruncFree = TLI.isTruncateFree(N->getValueType(0), N0.getValueType());
for (SDNode::use_iterator UI = N0.Val->use_begin(), UE = N0.Val->use_end();
UI != UE; ++UI) {
SDNode *User = UI->getUser();
SDNode *User = *UI;
if (User == N)
continue;
// FIXME: Only extend SETCC N, N and SETCC N, c for now.
@ -2743,7 +2743,7 @@ static bool ExtendUsesToFormExtLoad(SDNode *N, SDOperand N0,
bool BothLiveOut = false;
for (SDNode::use_iterator UI = N->use_begin(), UE = N->use_end();
UI != UE; ++UI) {
SDNode *User = UI->getUser();
SDNode *User = *UI;
for (unsigned i = 0, e = User->getNumOperands(); i != e; ++i) {
SDOperand UseOp = User->getOperand(i);
if (UseOp.Val == N && UseOp.ResNo == 0) {
@ -3880,7 +3880,7 @@ SDOperand DAGCombiner::visitFP_EXTEND(SDNode *N) {
MVT::ValueType VT = N->getValueType(0);
// If this is fp_round(fpextend), don't fold it, allow ourselves to be folded.
if (N->hasOneUse() && (N->use_begin())->getOpcode() == ISD::FP_ROUND)
if (N->hasOneUse() && (*N->use_begin())->getOpcode() == ISD::FP_ROUND)
return SDOperand();
// fold (fp_extend c1fp) -> c1fp
@ -4101,7 +4101,7 @@ bool DAGCombiner::CombineToPreIndexedLoadStore(SDNode *N) {
bool RealUse = false;
for (SDNode::use_iterator I = Ptr.Val->use_begin(),
E = Ptr.Val->use_end(); I != E; ++I) {
SDNode *Use = I->getUser();
SDNode *Use = *I;
if (Use == N)
continue;
if (Use->isPredecessorOf(N))
@ -4186,7 +4186,7 @@ bool DAGCombiner::CombineToPostIndexedLoadStore(SDNode *N) {
for (SDNode::use_iterator I = Ptr.Val->use_begin(),
E = Ptr.Val->use_end(); I != E; ++I) {
SDNode *Op = I->getUser();
SDNode *Op = *I;
if (Op == N ||
(Op->getOpcode() != ISD::ADD && Op->getOpcode() != ISD::SUB))
continue;
@ -4214,7 +4214,7 @@ bool DAGCombiner::CombineToPostIndexedLoadStore(SDNode *N) {
bool TryNext = false;
for (SDNode::use_iterator II = BasePtr.Val->use_begin(),
EE = BasePtr.Val->use_end(); II != EE; ++II) {
SDNode *Use = II->getUser();
SDNode *Use = *II;
if (Use == Ptr.Val)
continue;
@ -4224,7 +4224,7 @@ bool DAGCombiner::CombineToPostIndexedLoadStore(SDNode *N) {
bool RealUse = false;
for (SDNode::use_iterator III = Use->use_begin(),
EEE = Use->use_end(); III != EEE; ++III) {
SDNode *UseUse = III->getUser();
SDNode *UseUse = *III;
if (!((UseUse->getOpcode() == ISD::LOAD &&
cast<LoadSDNode>(UseUse)->getBasePtr().Val == Use) ||
(UseUse->getOpcode() == ISD::STORE &&

18
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
View File

@ -85,17 +85,17 @@ class VISIBILITY_HIDDEN SelectionDAGLegalize {
/// LegalizedNodes - For nodes that are of legal width, and that have more
/// than one use, this map indicates what regularized operand to use. This
/// allows us to avoid legalizing the same thing more than once.
DenseMap<SDOperandImpl, SDOperand> LegalizedNodes;
DenseMap<SDOperand, SDOperand> LegalizedNodes;
/// PromotedNodes - For nodes that are below legal width, and that have more
/// than one use, this map indicates what promoted value to use. This allows
/// us to avoid promoting the same thing more than once.
DenseMap<SDOperandImpl, SDOperand> PromotedNodes;
DenseMap<SDOperand, SDOperand> PromotedNodes;
/// ExpandedNodes - For nodes that need to be expanded this map indicates
/// which which operands are the expanded version of the input. This allows
/// us to avoid expanding the same node more than once.
DenseMap<SDOperandImpl, std::pair<SDOperand, SDOperand> > ExpandedNodes;
DenseMap<SDOperand, std::pair<SDOperand, SDOperand> > ExpandedNodes;
/// SplitNodes - For vector nodes that need to be split, this map indicates
/// which which operands are the split version of the input. This allows us
@ -308,7 +308,7 @@ static void ComputeTopDownOrdering(SelectionDAG &DAG,
// are now done.
for (SDNode::use_iterator UI = N->use_begin(), E = N->use_end();
UI != E; ++UI)
Worklist.push_back(UI->getUser());
Worklist.push_back(*UI);
}
assert(Order.size() == Visited.size() &&
@ -381,7 +381,7 @@ static SDNode *FindCallEndFromCallStart(SDNode *Node) {
E = Node->use_end(); UI != E; ++UI) {
// Make sure to only follow users of our token chain.
SDNode *User = UI->getUser();
SDNode *User = *UI;
for (unsigned i = 0, e = User->getNumOperands(); i != e; ++i)
if (User->getOperand(i) == TheChain)
if (SDNode *Result = FindCallEndFromCallStart(User))
@ -783,7 +783,7 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
// Note that LegalizeOp may be reentered even from single-use nodes, which
// means that we always must cache transformed nodes.
DenseMap<SDOperandImpl, SDOperand>::iterator I = LegalizedNodes.find(Op);
DenseMap<SDOperand, SDOperand>::iterator I = LegalizedNodes.find(Op);
if (I != LegalizedNodes.end()) return I->second;
SDOperand Tmp1, Tmp2, Tmp3, Tmp4;
@ -1599,7 +1599,7 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
// will cause this node to be legalized as well as handling libcalls right.
if (LastCALLSEQ_END.Val != Node) {
LegalizeOp(SDOperand(FindCallStartFromCallEnd(Node), 0));
DenseMap<SDOperandImpl, SDOperand>::iterator I = LegalizedNodes.find(Op);
DenseMap<SDOperand, SDOperand>::iterator I = LegalizedNodes.find(Op);
assert(I != LegalizedNodes.end() &&
"Legalizing the call start should have legalized this node!");
return I->second;
@ -4136,7 +4136,7 @@ SDOperand SelectionDAGLegalize::PromoteOp(SDOperand Op) {
SDOperand Result;
SDNode *Node = Op.Val;
DenseMap<SDOperandImpl, SDOperand>::iterator I = PromotedNodes.find(Op);
DenseMap<SDOperand, SDOperand>::iterator I = PromotedNodes.find(Op);
if (I != PromotedNodes.end()) return I->second;
switch (Node->getOpcode()) {
@ -5841,7 +5841,7 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){
"Cannot expand to FP value or to larger int value!");
// See if we already expanded it.
DenseMap<SDOperandImpl, std::pair<SDOperand, SDOperand> >::iterator I
DenseMap<SDOperand, std::pair<SDOperand, SDOperand> >::iterator I
= ExpandedNodes.find(Op);
if (I != ExpandedNodes.end()) {
Lo = I->second.first;

4
lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
View File

@ -137,7 +137,7 @@ NodeDone:
for (SDNode::use_iterator UI = N->use_begin(), E = N->use_end();
UI != E; ++UI) {
SDNode *User = UI->getUser();
SDNode *User = *UI;
int NodeID = User->getNodeId();
assert(NodeID != ReadyToProcess && NodeID != Processed &&
"Invalid node id for user of unprocessed node!");
@ -344,7 +344,7 @@ void DAGTypeLegalizer::ReplaceNodeWith(SDNode *From, SDNode *To) {
/// RemapNode - If the specified value was already legalized to another value,
/// replace it by that value.
void DAGTypeLegalizer::RemapNode(SDOperand &N) {
DenseMap<SDOperandImpl, SDOperand>::iterator I = ReplacedNodes.find(N);
DenseMap<SDOperand, SDOperand>::iterator I = ReplacedNodes.find(N);
if (I != ReplacedNodes.end()) {
// Use path compression to speed up future lookups if values get multiply
// replaced with other values.

12
lib/CodeGen/SelectionDAG/LegalizeTypes.h
View File

@ -110,27 +110,27 @@ private:
/// PromotedNodes - For nodes that are below legal width, this map indicates
/// what promoted value to use.
DenseMap<SDOperandImpl, SDOperand> PromotedNodes;
DenseMap<SDOperand, SDOperand> PromotedNodes;
/// ExpandedNodes - For nodes that need to be expanded this map indicates
/// which operands are the expanded version of the input.
DenseMap<SDOperandImpl, std::pair<SDOperand, SDOperand> > ExpandedNodes;
DenseMap<SDOperand, std::pair<SDOperand, SDOperand> > ExpandedNodes;
/// FloatToIntedNodes - For floating point nodes converted to integers of
/// the same size, this map indicates the converted value to use.
DenseMap<SDOperandImpl, SDOperand> FloatToIntedNodes;
DenseMap<SDOperand, SDOperand> FloatToIntedNodes;
/// ScalarizedNodes - For nodes that are <1 x ty>, this map indicates the
/// scalar value of type 'ty' to use.
DenseMap<SDOperandImpl, SDOperand> ScalarizedNodes;
DenseMap<SDOperand, SDOperand> ScalarizedNodes;
/// SplitNodes - For nodes that need to be split this map indicates
/// which operands are the expanded version of the input.
DenseMap<SDOperandImpl, std::pair<SDOperand, SDOperand> > SplitNodes;
DenseMap<SDOperand, std::pair<SDOperand, SDOperand> > SplitNodes;
/// ReplacedNodes - For nodes that have been replaced with another,
/// indicates the replacement node to use.
DenseMap<SDOperandImpl, SDOperand> ReplacedNodes;
DenseMap<SDOperand, SDOperand> ReplacedNodes;
/// Worklist - This defines a worklist of nodes to process. In order to be
/// pushed onto this worklist, all operands of a node must have already been

26
lib/CodeGen/SelectionDAG/ScheduleDAG.cpp
View File

@ -135,11 +135,11 @@ void ScheduleDAG::BuildSchedUnits() {
bool HasFlagUse = false;
for (SDNode::use_iterator UI = N->use_begin(), E = N->use_end();
UI != E; ++UI)
if (FlagVal.isOperandOf(UI->getUser())) {
if (FlagVal.isOperandOf(*UI)) {
HasFlagUse = true;
NodeSUnit->FlaggedNodes.push_back(N);
SUnitMap[N].push_back(NodeSUnit);
N = UI->getUser();
N = *UI;
break;
}
if (!HasFlagUse) break;
@ -398,7 +398,7 @@ static const TargetRegisterClass *getInstrOperandRegClass(
void ScheduleDAG::EmitCopyFromReg(SDNode *Node, unsigned ResNo,
unsigned InstanceNo, unsigned SrcReg,
DenseMap<SDOperandImpl, unsigned> &VRBaseMap) {
DenseMap<SDOperand, unsigned> &VRBaseMap) {
unsigned VRBase = 0;
if (TargetRegisterInfo::isVirtualRegister(SrcReg)) {
// Just use the input register directly!
@ -414,7 +414,7 @@ void ScheduleDAG::EmitCopyFromReg(SDNode *Node, unsigned ResNo,
bool MatchReg = true;
for (SDNode::use_iterator UI = Node->use_begin(), E = Node->use_end();
UI != E; ++UI) {
SDNode *Use = UI->getUser();
SDNode *Use = *UI;
bool Match = true;
if (Use->getOpcode() == ISD::CopyToReg &&
Use->getOperand(2).Val == Node &&
@ -469,7 +469,7 @@ void ScheduleDAG::EmitCopyFromReg(SDNode *Node, unsigned ResNo,
void ScheduleDAG::CreateVirtualRegisters(SDNode *Node, MachineInstr *MI,
const TargetInstrDesc &II,
DenseMap<SDOperandImpl, unsigned> &VRBaseMap) {
DenseMap<SDOperand, unsigned> &VRBaseMap) {
for (unsigned i = 0; i < II.getNumDefs(); ++i) {
// If the specific node value is only used by a CopyToReg and the dest reg
// is a vreg, use the CopyToReg'd destination register instead of creating
@ -477,7 +477,7 @@ void ScheduleDAG::CreateVirtualRegisters(SDNode *Node, MachineInstr *MI,
unsigned VRBase = 0;
for (SDNode::use_iterator UI = Node->use_begin(), E = Node->use_end();
UI != E; ++UI) {
SDNode *Use = UI->getUser();
SDNode *Use = *UI;
if (Use->getOpcode() == ISD::CopyToReg &&
Use->getOperand(2).Val == Node &&
Use->getOperand(2).ResNo == i) {
@ -512,8 +512,8 @@ void ScheduleDAG::CreateVirtualRegisters(SDNode *Node, MachineInstr *MI,
/// getVR - Return the virtual register corresponding to the specified result
/// of the specified node.
static unsigned getVR(SDOperand Op, DenseMap<SDOperandImpl, unsigned> &VRBaseMap) {
DenseMap<SDOperandImpl, unsigned>::iterator I = VRBaseMap.find(Op);
static unsigned getVR(SDOperand Op, DenseMap<SDOperand, unsigned> &VRBaseMap) {
DenseMap<SDOperand, unsigned>::iterator I = VRBaseMap.find(Op);
assert(I != VRBaseMap.end() && "Node emitted out of order - late");
return I->second;
}
@ -526,7 +526,7 @@ static unsigned getVR(SDOperand Op, DenseMap<SDOperandImpl, unsigned> &VRBaseMap
void ScheduleDAG::AddOperand(MachineInstr *MI, SDOperand Op,
unsigned IIOpNum,
const TargetInstrDesc *II,
DenseMap<SDOperandImpl, unsigned> &VRBaseMap) {
DenseMap<SDOperand, unsigned> &VRBaseMap) {
if (Op.isTargetOpcode()) {
// Note that this case is redundant with the final else block, but we
// include it because it is the most common and it makes the logic
@ -658,7 +658,7 @@ static const TargetRegisterClass *getSuperregRegisterClass(
/// EmitSubregNode - Generate machine code for subreg nodes.
///
void ScheduleDAG::EmitSubregNode(SDNode *Node,
DenseMap<SDOperandImpl, unsigned> &VRBaseMap) {
DenseMap<SDOperand, unsigned> &VRBaseMap) {
unsigned VRBase = 0;
unsigned Opc = Node->getTargetOpcode();
@ -666,7 +666,7 @@ void ScheduleDAG::EmitSubregNode(SDNode *Node,
// the CopyToReg'd destination register instead of creating a new vreg.
for (SDNode::use_iterator UI = Node->use_begin(), E = Node->use_end();
UI != E; ++UI) {
SDNode *Use = UI->getUser();
SDNode *Use = *UI;
if (Use->getOpcode() == ISD::CopyToReg &&
Use->getOperand(2).Val == Node) {
unsigned DestReg = cast<RegisterSDNode>(Use->getOperand(1))->getReg();
@ -750,7 +750,7 @@ void ScheduleDAG::EmitSubregNode(SDNode *Node,
/// EmitNode - Generate machine code for an node and needed dependencies.
///
void ScheduleDAG::EmitNode(SDNode *Node, unsigned InstanceNo,
DenseMap<SDOperandImpl, unsigned> &VRBaseMap) {
DenseMap<SDOperand, unsigned> &VRBaseMap) {
// If machine instruction
if (Node->isTargetOpcode()) {
unsigned Opc = Node->getTargetOpcode();
@ -1067,7 +1067,7 @@ void ScheduleDAG::EmitSchedule() {
}
// Finally, emit the code for all of the scheduled instructions.
DenseMap<SDOperandImpl, unsigned> VRBaseMap;
DenseMap<SDOperand, unsigned> VRBaseMap;
DenseMap<SUnit*, unsigned> CopyVRBaseMap;
for (unsigned i = 0, e = Sequence.size(); i != e; i++) {
if (SUnit *SU = Sequence[i]) {

169
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
View File

@ -10,6 +10,7 @@
// This implements the SelectionDAG class.
//
//===----------------------------------------------------------------------===//
#include "llvm/CodeGen/SelectionDAG.h"
#include "llvm/Constants.h"
#include "llvm/GlobalAlias.h"
@ -464,15 +465,14 @@ void SelectionDAG::RemoveDeadNodes() {
// no cycles in the graph.
for (SDNode::op_iterator I = N->op_begin(), E = N->op_end(); I != E; ++I) {
SDNode *Operand = I->Val;
Operand->removeUser(std::distance(N->op_begin(), I), N);
Operand->removeUser(N);
// 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) {
if (N->OperandsNeedDelete)
delete[] N->OperandList;
}
N->OperandList = 0;
N->NumOperands = 0;
@ -504,15 +504,14 @@ void SelectionDAG::RemoveDeadNode(SDNode *N, DAGUpdateListener *UpdateListener){
// no cycles in the graph.
for (SDNode::op_iterator I = N->op_begin(), E = N->op_end(); I != E; ++I) {
SDNode *Operand = I->Val;
Operand->removeUser(std::distance(N->op_begin(), I), N);
Operand->removeUser(N);
// 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) {
if (N->OperandsNeedDelete)
delete[] N->OperandList;
}
N->OperandList = 0;
N->NumOperands = 0;
@ -539,10 +538,9 @@ void SelectionDAG::DeleteNodeNotInCSEMaps(SDNode *N) {
// Drop all of the operands and decrement used nodes use counts.
for (SDNode::op_iterator I = N->op_begin(), E = N->op_end(); I != E; ++I)
I->Val->removeUser(std::distance(N->op_begin(), I), N);
if (N->OperandsNeedDelete) {
I->Val->removeUser(N);
if (N->OperandsNeedDelete)
delete[] N->OperandList;
}
N->OperandList = 0;
N->NumOperands = 0;
@ -703,9 +701,8 @@ SelectionDAG::~SelectionDAG() {
while (!AllNodes.empty()) {
SDNode *N = AllNodes.begin();
N->SetNextInBucket(0);
if (N->OperandsNeedDelete) {
if (N->OperandsNeedDelete)
delete [] N->OperandList;
}
N->OperandList = 0;
N->NumOperands = 0;
AllNodes.pop_front();
@ -2897,10 +2894,9 @@ UpdateNodeOperands(SDOperand InN, SDOperand Op) {
RemoveNodeFromCSEMaps(N);
// Now we update the operands.
N->OperandList[0].Val->removeUser(0, N);
N->OperandList[0].Val->removeUser(N);
Op.Val->addUser(N);
N->OperandList[0] = Op;
N->OperandList[0].setUser(N);
Op.Val->addUser(0, N);
// If this gets put into a CSE map, add it.
if (InsertPos) CSEMap.InsertNode(N, InsertPos);
@ -2927,16 +2923,14 @@ UpdateNodeOperands(SDOperand InN, SDOperand Op1, SDOperand Op2) {
// Now we update the operands.
if (N->OperandList[0] != Op1) {
N->OperandList[0].Val->removeUser(0, N);
N->OperandList[0].Val->removeUser(N);
Op1.Val->addUser(N);
N->OperandList[0] = Op1;
N->OperandList[0].setUser(N);
Op1.Val->addUser(0, N);
}
if (N->OperandList[1] != Op2) {
N->OperandList[1].Val->removeUser(1, N);
N->OperandList[1].Val->removeUser(N);
Op2.Val->addUser(N);
N->OperandList[1] = Op2;
N->OperandList[1].setUser(N);
Op2.Val->addUser(1, N);
}
// If this gets put into a CSE map, add it.
@ -2964,6 +2958,7 @@ UpdateNodeOperands(SDOperand N, SDOperand Op1, SDOperand Op2,
return UpdateNodeOperands(N, Ops, 5);
}
SDOperand SelectionDAG::
UpdateNodeOperands(SDOperand InN, SDOperand *Ops, unsigned NumOps) {
SDNode *N = InN.Val;
@ -2994,10 +2989,9 @@ UpdateNodeOperands(SDOperand InN, SDOperand *Ops, unsigned NumOps) {
// Now we update the operands.
for (unsigned i = 0; i != NumOps; ++i) {
if (N->OperandList[i] != Ops[i]) {
N->OperandList[i].Val->removeUser(i, N);
N->OperandList[i].Val->removeUser(N);
Ops[i].Val->addUser(N);
N->OperandList[i] = Ops[i];
N->OperandList[i].setUser(N);
Ops[i].Val->addUser(i, N);
}
}
@ -3006,6 +3000,7 @@ UpdateNodeOperands(SDOperand InN, SDOperand *Ops, unsigned NumOps) {
return InN;
}
/// MorphNodeTo - This frees the operands of the current node, resets the
/// opcode, types, and operands to the specified value. This should only be
/// used by the SelectionDAG class.
@ -3018,14 +3013,13 @@ void SDNode::MorphNodeTo(unsigned Opc, SDVTList L,
// Clear the operands list, updating used nodes to remove this from their
// use list.
for (op_iterator I = op_begin(), E = op_end(); I != E; ++I)
I->Val->removeUser(std::distance(op_begin(), I), this);
I->Val->removeUser(this);
// If NumOps is larger than the # of operands we currently have, reallocate
// the operand list.
if (NumOps > NumOperands) {
if (OperandsNeedDelete) {
if (OperandsNeedDelete)
delete [] OperandList;
}
OperandList = new SDOperand[NumOps];
OperandsNeedDelete = true;
}
@ -3035,10 +3029,8 @@ void SDNode::MorphNodeTo(unsigned Opc, SDVTList L,
for (unsigned i = 0, e = NumOps; i != e; ++i) {
OperandList[i] = Ops[i];
OperandList[i].setUser(this);
SDNode *N = OperandList[i].Val;
N->addUser(i, this);
++N->UsesSize;
N->Uses.push_back(this);
}
}
@ -3306,27 +3298,21 @@ void SelectionDAG::ReplaceAllUsesWith(SDOperand FromN, SDOperand To,
assert(From->getNumValues() == 1 && FromN.ResNo == 0 &&
"Cannot replace with this method!");
assert(From != To.Val && "Cannot replace uses of with self");
SmallSetVector<SDNode*, 16> Users;
while (!From->use_empty()) {
SDNode::use_iterator UI = From->use_begin();
SDNode *U = UI->getUser();
// Remember that this node is about to morph.
if (Users.count(U))
continue;
Users.insert(U);
// Process users until they are all gone.
SDNode *U = *From->use_begin();
// 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)
for (SDOperand *I = U->OperandList, *E = U->OperandList+U->NumOperands;
I != E; ++I)
if (I->Val == From) {
From->removeUser(operandNum, U);
From->removeUser(U);
*I = To;
I->setUser(U);
To.Val->addUser(operandNum, U);
}
To.Val->addUser(U);
}
// Now that we have modified U, add it back to the CSE maps. If it already
// exists there, recursively merge the results together.
@ -3360,26 +3346,21 @@ void SelectionDAG::ReplaceAllUsesWith(SDNode *From, SDNode *To,
return ReplaceAllUsesWith(SDOperand(From, 0), SDOperand(To, 0),
UpdateListener);
SmallSetVector<SDNode*, 16> Users;
while (!From->use_empty()) {
SDNode::use_iterator UI = From->use_begin();
SDNode *U = UI->getUser();
// Remember that this node is about to morph.
if (Users.count(U))
continue;
Users.insert(U);
// Process users until they are all gone.
SDNode *U = *From->use_begin();
// 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)
for (SDOperand *I = U->OperandList, *E = U->OperandList+U->NumOperands;
I != E; ++I)
if (I->Val == From) {
From->removeUser(operandNum, U);
From->removeUser(U);
I->Val = To;
To->addUser(operandNum, U);
To->addUser(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)) {
@ -3408,28 +3389,22 @@ void SelectionDAG::ReplaceAllUsesWith(SDNode *From,
if (From->getNumValues() == 1) // Handle the simple case efficiently.
return ReplaceAllUsesWith(SDOperand(From, 0), To[0], UpdateListener);
SmallSetVector<SDNode*, 16> Users;
while (!From->use_empty()) {
SDNode::use_iterator UI = From->use_begin();
SDNode *U = UI->getUser();
// Remember that this node is about to morph.
if (Users.count(U))
continue;
Users.insert(U);
// Process users until they are all gone.
SDNode *U = *From->use_begin();
// 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)
for (SDOperand *I = U->OperandList, *E = U->OperandList+U->NumOperands;
I != E; ++I)
if (I->Val == From) {
const SDOperand &ToOp = To[I->ResNo];
From->removeUser(operandNum, U);
From->removeUser(U);
*I = ToOp;
I->setUser(U);
ToOp.Val->addUser(operandNum, U);
ToOp.Val->addUser(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)) {
@ -3459,7 +3434,7 @@ namespace {
ChainedSetUpdaterListener(SmallSetVector<SDNode*, 16> &set,
SelectionDAG::DAGUpdateListener *chain)
: Set(set), Chain(chain) {}
virtual void NodeDeleted(SDNode *N) {
Set.remove(N);
if (Chain) Chain->NodeDeleted(N);
@ -3487,13 +3462,7 @@ void SelectionDAG::ReplaceAllUsesOfValueWith(SDOperand From, SDOperand To,
// Get all of the users of From.Val. We want these in a nice,
// deterministically ordered and uniqued set, so we use a SmallSetVector.
SmallSetVector<SDNode*, 16> Users;
for (SDNode::use_iterator UI = From.Val->use_begin(),
E = From.Val->use_end(); UI != E; ++UI) {
SDNode *User = UI->getUser();
if (!Users.count(User))
Users.insert(User);
}
SmallSetVector<SDNode*, 16> Users(From.Val->use_begin(), From.Val->use_end());
// When one of the recursive merges deletes nodes from the graph, we need to
// make sure that UpdateListener is notified *and* that the node is removed
@ -3507,7 +3476,7 @@ void SelectionDAG::ReplaceAllUsesOfValueWith(SDOperand From, SDOperand To,
Users.pop_back();
// Scan for an operand that matches From.
SDNode::op_iterator Op = User->op_begin(), E = User->op_end();
SDOperand *Op = User->OperandList, *E = User->OperandList+User->NumOperands;
for (; Op != E; ++Op)
if (*Op == From) break;
@ -3521,10 +3490,9 @@ void SelectionDAG::ReplaceAllUsesOfValueWith(SDOperand From, SDOperand To,
// Update all operands that match "From" in case there are multiple uses.
for (; Op != E; ++Op) {
if (*Op == From) {
From.Val->removeUser(Op-User->op_begin(), User);
*Op = To;
Op->setUser(User);
To.Val->addUser(Op-User->op_begin(), User);
From.Val->removeUser(User);
*Op = To;
To.Val->addUser(User);
}
}
@ -3704,13 +3672,16 @@ bool SDNode::hasNUsesOfValue(unsigned NUses, unsigned Value) const {
SmallPtrSet<SDNode*, 32> UsersHandled;
// 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 == TheValue) {
if (NUses == 0)
return false;
--NUses;
}
for (SDNode::use_iterator UI = Uses.begin(), E = Uses.end(); UI != E; ++UI) {
SDNode *User = *UI;
if (User->getNumOperands() == 1 ||
UsersHandled.insert(User)) // First time we've seen this?
for (unsigned i = 0, e = User->getNumOperands(); i != e; ++i)
if (User->getOperand(i) == TheValue) {
if (NUses == 0)
return false; // too many uses
--NUses;
}
}
// Found exactly the right number of uses?
@ -3729,8 +3700,8 @@ bool SDNode::hasAnyUseOfValue(unsigned Value) const {
SmallPtrSet<SDNode*, 32> UsersHandled;
for (SDNode::use_iterator UI = use_begin(), E = use_end(); UI != E; ++UI) {
SDNode *User = UI->getUser();
for (SDNode::use_iterator UI = Uses.begin(), E = Uses.end(); UI != E; ++UI) {
SDNode *User = *UI;
if (User->getNumOperands() == 1 ||
UsersHandled.insert(User)) // First time we've seen this?
for (unsigned i = 0, e = User->getNumOperands(); i != e; ++i)
@ -3748,7 +3719,7 @@ bool SDNode::hasAnyUseOfValue(unsigned Value) const {
bool SDNode::isOnlyUseOf(SDNode *N) const {
bool Seen = false;
for (SDNode::use_iterator I = N->use_begin(), E = N->use_end(); I != E; ++I) {
SDNode *User = I->getUser();
SDNode *User = *I;
if (User == this)
Seen = true;
else
@ -3760,7 +3731,7 @@ bool SDNode::isOnlyUseOf(SDNode *N) const {
/// isOperand - Return true if this node is an operand of N.
///
bool SDOperandImpl::isOperandOf(SDNode *N) const {
bool SDOperand::isOperandOf(SDNode *N) const {
for (unsigned i = 0, e = N->getNumOperands(); i != e; ++i)
if (*this == N->getOperand(i))
return true;
@ -3779,7 +3750,7 @@ bool SDNode::isOperandOf(SDNode *N) const {
/// side-effecting instructions. In practice, this looks through token
/// factors and non-volatile loads. In order to remain efficient, this only
/// looks a couple of nodes in, it does not do an exhaustive search.
bool SDOperandImpl::reachesChainWithoutSideEffects(SDOperandImpl Dest,
bool SDOperand::reachesChainWithoutSideEffects(SDOperand Dest,
unsigned Depth) const {
if (*this == Dest) return true;

12
lib/Target/PowerPC/PPCISelLowering.cpp
View File

@ -3662,11 +3662,11 @@ SDOperand PPCTargetLowering::PerformDAGCombine(SDNode *N,
SDNode *LHSN = N->getOperand(0).Val;
for (SDNode::use_iterator UI = LHSN->use_begin(), E = LHSN->use_end();
UI != E; ++UI)
if ((*UI).getUser()->getOpcode() == PPCISD::VCMPo &&
(*UI).getUser()->getOperand(1) == N->getOperand(1) &&
(*UI).getUser()->getOperand(2) == N->getOperand(2) &&
(*UI).getUser()->getOperand(0) == N->getOperand(0)) {
VCMPoNode = UI->getUser();
if ((*UI)->getOpcode() == PPCISD::VCMPo &&
(*UI)->getOperand(1) == N->getOperand(1) &&
(*UI)->getOperand(2) == N->getOperand(2) &&
(*UI)->getOperand(0) == N->getOperand(0)) {
VCMPoNode = *UI;
break;
}
@ -3682,7 +3682,7 @@ SDOperand PPCTargetLowering::PerformDAGCombine(SDNode *N,
for (SDNode::use_iterator UI = VCMPoNode->use_begin();
FlagUser == 0; ++UI) {
assert(UI != VCMPoNode->use_end() && "Didn't find user!");
SDNode *User = UI->getUser();
SDNode *User = *UI;
for (unsigned i = 0, e = User->getNumOperands(); i != e; ++i) {
if (User->getOperand(i) == SDOperand(VCMPoNode, 1)) {
FlagUser = User;

2
lib/Target/X86/X86ISelDAGToDAG.cpp
View File

@ -225,7 +225,7 @@ namespace {
static SDNode *findFlagUse(SDNode *N) {
unsigned FlagResNo = N->getNumValues()-1;
for (SDNode::use_iterator I = N->use_begin(), E = N->use_end(); I != E; ++I) {
SDNode *User = I->getUser();
SDNode *User = *I;
for (unsigned i = 0, e = User->getNumOperands(); i != e; ++i) {
SDOperand Op = User->getOperand(i);
if (Op.Val == N && Op.ResNo == FlagResNo)

2
lib/Target/X86/X86ISelLowering.cpp
View File

@ -3724,7 +3724,7 @@ X86TargetLowering::LowerEXTRACT_VECTOR_ELT_SSE4(SDOperand Op,
// result has a single use which is a store.
if (!Op.hasOneUse())
return SDOperand();
SDNode *User = Op.Val->use_begin()->getUser();
SDNode *User = *Op.Val->use_begin();
if (User->getOpcode() != ISD::STORE)
return SDOperand();
SDOperand Extract = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, MVT::i32,