index bc5d19be1f9abf1135769737c1dacb2afb943adf..b827c5147a2656405158402c2e6df85bc04946da 100644 (file)
#ifndef LLVM_CODEGEN_SELECTIONDAG_H
#define LLVM_CODEGEN_SELECTIONDAG_H
-#include "llvm/ADT/ilist.h"
#include "llvm/ADT/DenseSet.h"
#include "llvm/ADT/StringMap.h"
+#include "llvm/ADT/ilist.h"
+#include "llvm/CodeGen/DAGCombine.h"
#include "llvm/CodeGen/SelectionDAGNodes.h"
#include "llvm/Support/RecyclingAllocator.h"
#include "llvm/Target/TargetMachine.h"
#include <cassert>
-#include <vector>
#include <map>
#include <string>
+#include <vector>
namespace llvm {
class MachineConstantPoolValue;
class MachineFunction;
class MDNode;
-class SDNodeOrdering;
class SDDbgValue;
class TargetLowering;
class TargetSelectionDAGInfo;
+class SDVTListNode : public FoldingSetNode {
+ friend struct FoldingSetTrait<SDVTListNode>;
+ /// FastID - A reference to an Interned FoldingSetNodeID for this node.
+ /// The Allocator in SelectionDAG holds the data.
+ /// SDVTList contains all types which are frequently accessed in SelectionDAG.
+ /// The size of this list is not expected big so it won't introduce memory penalty.
+ FoldingSetNodeIDRef FastID;
+ const EVT *VTs;
+ unsigned int NumVTs;
+ /// The hash value for SDVTList is fixed so cache it to avoid hash calculation
+ unsigned HashValue;
+public:
+ SDVTListNode(const FoldingSetNodeIDRef ID, const EVT *VT, unsigned int Num) :
+ FastID(ID), VTs(VT), NumVTs(Num) {
+ HashValue = ID.ComputeHash();
+ }
+ SDVTList getSDVTList() {
+ SDVTList result = {VTs, NumVTs};
+ return result;
+ }
+};
+
+// Specialize FoldingSetTrait for SDVTListNode
+// To avoid computing temp FoldingSetNodeID and hash value.
+template<> struct FoldingSetTrait<SDVTListNode> : DefaultFoldingSetTrait<SDVTListNode> {
+ static void Profile(const SDVTListNode &X, FoldingSetNodeID& ID) {
+ ID = X.FastID;
+ }
+ static bool Equals(const SDVTListNode &X, const FoldingSetNodeID &ID,
+ unsigned IDHash, FoldingSetNodeID &TempID) {
+ if (X.HashValue != IDHash)
+ return false;
+ return ID == X.FastID;
+ }
+ static unsigned ComputeHash(const SDVTListNode &X, FoldingSetNodeID &TempID) {
+ return X.HashValue;
+ }
+};
+
template<> struct ilist_traits<SDNode> : public ilist_default_traits<SDNode> {
private:
mutable ilist_half_node<SDNode> Sentinel;
static void noteHead(SDNode*, SDNode*) {}
static void deleteNode(SDNode *) {
- assert(0 && "ilist_traits<SDNode> shouldn't see a deleteNode call!");
+ llvm_unreachable("ilist_traits<SDNode> shouldn't see a deleteNode call!");
}
private:
static void createNode(const SDNode &);
class SDDbgInfo {
SmallVector<SDDbgValue*, 32> DbgValues;
SmallVector<SDDbgValue*, 32> ByvalParmDbgValues;
- DenseMap<const SDNode*, SmallVector<SDDbgValue*, 2> > DbgValMap;
+ typedef DenseMap<const SDNode*, SmallVector<SDDbgValue*, 2> > DbgValMapType;
+ DbgValMapType DbgValMap;
- void operator=(const SDDbgInfo&); // Do not implement.
- SDDbgInfo(const SDDbgInfo&); // Do not implement.
+ void operator=(const SDDbgInfo&) LLVM_DELETED_FUNCTION;
+ SDDbgInfo(const SDDbgInfo&) LLVM_DELETED_FUNCTION;
public:
SDDbgInfo() {}
return DbgValues.empty() && ByvalParmDbgValues.empty();
}
- SmallVector<SDDbgValue*,2> &getSDDbgValues(const SDNode *Node) {
- return DbgValMap[Node];
+ ArrayRef<SDDbgValue*> getSDDbgValues(const SDNode *Node) {
+ DbgValMapType::iterator I = DbgValMap.find(Node);
+ if (I != DbgValMap.end())
+ return I->second;
+ return ArrayRef<SDDbgValue*>();
}
- typedef SmallVector<SDDbgValue*,32>::iterator DbgIterator;
+ typedef SmallVectorImpl<SDDbgValue*>::iterator DbgIterator;
DbgIterator DbgBegin() { return DbgValues.begin(); }
DbgIterator DbgEnd() { return DbgValues.end(); }
DbgIterator ByvalParmDbgBegin() { return ByvalParmDbgValues.begin(); }
DbgIterator ByvalParmDbgEnd() { return ByvalParmDbgValues.end(); }
};
-enum CombineLevel {
- Unrestricted, // Combine may create illegal operations and illegal types.
- NoIllegalTypes, // Combine may create illegal operations but no illegal types.
- NoIllegalOperations // Combine may only create legal operations and types.
-};
-
class SelectionDAG;
void checkForCycles(const SDNode *N);
void checkForCycles(const SelectionDAG *DAG);
///
class SelectionDAG {
const TargetMachine &TM;
- const TargetLowering &TLI;
const TargetSelectionDAGInfo &TSI;
+ const TargetLowering *TLI;
MachineFunction *MF;
LLVMContext *Context;
+ CodeGenOpt::Level OptLevel;
/// EntryNode - The starting token.
SDNode EntryNode;
/// SelectionDAG.
BumpPtrAllocator Allocator;
- /// SDNodeOrdering - The ordering of the SDNodes. It roughly corresponds to
- /// the ordering of the original LLVM instructions.
- SDNodeOrdering *Ordering;
-
/// DbgInfo - Tracks dbg_value information through SDISel.
SDDbgInfo *DbgInfo;
- /// VerifyNode - Sanity check the given node. Aborts if it is invalid.
- void VerifyNode(SDNode *N);
+public:
+ /// DAGUpdateListener - Clients of various APIs that cause global effects on
+ /// the DAG can optionally implement this interface. This allows the clients
+ /// to handle the various sorts of updates that happen.
+ ///
+ /// A DAGUpdateListener automatically registers itself with DAG when it is
+ /// constructed, and removes itself when destroyed in RAII fashion.
+ struct DAGUpdateListener {
+ DAGUpdateListener *const Next;
+ SelectionDAG &DAG;
+
+ explicit DAGUpdateListener(SelectionDAG &D)
+ : Next(D.UpdateListeners), DAG(D) {
+ DAG.UpdateListeners = this;
+ }
+
+ virtual ~DAGUpdateListener() {
+ assert(DAG.UpdateListeners == this &&
+ "DAGUpdateListeners must be destroyed in LIFO order");
+ DAG.UpdateListeners = Next;
+ }
+
+ /// NodeDeleted - The node N that was deleted and, if E is not null, an
+ /// equivalent node E that replaced it.
+ virtual void NodeDeleted(SDNode *N, SDNode *E);
+
+ /// NodeUpdated - The node N that was updated.
+ virtual void NodeUpdated(SDNode *N);
+ };
+
+ /// NewNodesMustHaveLegalTypes - When true, additional steps are taken to
+ /// ensure that getConstant() and similar functions return DAG nodes that
+ /// have legal types. This is important after type legalization since
+ /// any illegally typed nodes generated after this point will not experience
+ /// type legalization.
+ bool NewNodesMustHaveLegalTypes;
+
+private:
+ /// DAGUpdateListener is a friend so it can manipulate the listener stack.
+ friend struct DAGUpdateListener;
+
+ /// UpdateListeners - Linked list of registered DAGUpdateListener instances.
+ /// This stack is maintained by DAGUpdateListener RAII.
+ DAGUpdateListener *UpdateListeners;
/// setGraphColorHelper - Implementation of setSubgraphColor.
/// Return whether we had to truncate the search.
DenseSet<SDNode *> &visited,
int level, bool &printed);
- void operator=(const SelectionDAG&); // Do not implement.
- SelectionDAG(const SelectionDAG&); // Do not implement.
+ void operator=(const SelectionDAG&) LLVM_DELETED_FUNCTION;
+ SelectionDAG(const SelectionDAG&) LLVM_DELETED_FUNCTION;
public:
- explicit SelectionDAG(const TargetMachine &TM);
+ explicit SelectionDAG(const TargetMachine &TM, llvm::CodeGenOpt::Level);
~SelectionDAG();
/// init - Prepare this SelectionDAG to process code in the given
/// MachineFunction.
///
- void init(MachineFunction &mf);
+ void init(MachineFunction &mf, const TargetLowering *TLI);
/// clear - Clear state and free memory necessary to make this
/// SelectionDAG ready to process a new block.
MachineFunction &getMachineFunction() const { return *MF; }
const TargetMachine &getTarget() const { return TM; }
- const TargetLowering &getTargetLoweringInfo() const { return TLI; }
+ const TargetLowering &getTargetLoweringInfo() const { return *TLI; }
const TargetSelectionDAGInfo &getSelectionDAGInfo() const { return TSI; }
LLVMContext *getContext() const {return Context; }
///
/// Note that this is an involved process that may invalidate pointers into
/// the graph.
- void Legalize(CodeGenOpt::Level OptLevel);
+ void Legalize();
/// LegalizeVectors - This transforms the SelectionDAG into a SelectionDAG
/// that only uses vector math operations supported by the target. This is
SDVTList getVTList(EVT VT1, EVT VT2);
SDVTList getVTList(EVT VT1, EVT VT2, EVT VT3);
SDVTList getVTList(EVT VT1, EVT VT2, EVT VT3, EVT VT4);
- SDVTList getVTList(const EVT *VTs, unsigned NumVTs);
+ SDVTList getVTList(ArrayRef<EVT> VTs);
//===--------------------------------------------------------------------===//
// Node creation methods.
//
- SDValue getConstant(uint64_t Val, EVT VT, bool isTarget = false);
- SDValue getConstant(const APInt &Val, EVT VT, bool isTarget = false);
- SDValue getConstant(const ConstantInt &Val, EVT VT, bool isTarget = false);
+ SDValue getConstant(uint64_t Val, EVT VT, bool isTarget = false,
+ bool isOpaque = false);
+ SDValue getConstant(const APInt &Val, EVT VT, bool isTarget = false,
+ bool isOpaque = false);
+ SDValue getConstant(const ConstantInt &Val, EVT VT, bool isTarget = false,
+ bool isOpaque = false);
SDValue getIntPtrConstant(uint64_t Val, bool isTarget = false);
- SDValue getTargetConstant(uint64_t Val, EVT VT) {
- return getConstant(Val, VT, true);
+ SDValue getTargetConstant(uint64_t Val, EVT VT, bool isOpaque = false) {
+ return getConstant(Val, VT, true, isOpaque);
}
- SDValue getTargetConstant(const APInt &Val, EVT VT) {
- return getConstant(Val, VT, true);
+ SDValue getTargetConstant(const APInt &Val, EVT VT, bool isOpaque = false) {
+ return getConstant(Val, VT, true, isOpaque);
}
- SDValue getTargetConstant(const ConstantInt &Val, EVT VT) {
- return getConstant(Val, VT, true);
+ SDValue getTargetConstant(const ConstantInt &Val, EVT VT,
+ bool isOpaque = false) {
+ return getConstant(Val, VT, true, isOpaque);
}
// The forms below that take a double should only be used for simple
// constants that can be exactly represented in VT. No checks are made.
SDValue getTargetConstantFP(const ConstantFP &Val, EVT VT) {
return getConstantFP(Val, VT, true);
}
- SDValue getGlobalAddress(const GlobalValue *GV, DebugLoc DL, EVT VT,
+ SDValue getGlobalAddress(const GlobalValue *GV, SDLoc DL, EVT VT,
int64_t offset = 0, bool isTargetGA = false,
unsigned char TargetFlags = 0);
- SDValue getTargetGlobalAddress(const GlobalValue *GV, DebugLoc DL, EVT VT,
+ SDValue getTargetGlobalAddress(const GlobalValue *GV, SDLoc DL, EVT VT,
int64_t offset = 0,
unsigned char TargetFlags = 0) {
return getGlobalAddress(GV, DL, VT, offset, true, TargetFlags);
int Offset = 0, unsigned char TargetFlags=0) {
return getConstantPool(C, VT, Align, Offset, true, TargetFlags);
}
+ SDValue getTargetIndex(int Index, EVT VT, int64_t Offset = 0,
+ unsigned char TargetFlags = 0);
// When generating a branch to a BB, we don't in general know enough
// to provide debug info for the BB at that time, so keep this one around.
SDValue getBasicBlock(MachineBasicBlock *MBB);
- SDValue getBasicBlock(MachineBasicBlock *MBB, DebugLoc dl);
+ SDValue getBasicBlock(MachineBasicBlock *MBB, SDLoc dl);
SDValue getExternalSymbol(const char *Sym, EVT VT);
- SDValue getExternalSymbol(const char *Sym, DebugLoc dl, EVT VT);
+ SDValue getExternalSymbol(const char *Sym, SDLoc dl, EVT VT);
SDValue getTargetExternalSymbol(const char *Sym, EVT VT,
unsigned char TargetFlags = 0);
SDValue getValueType(EVT);
SDValue getRegister(unsigned Reg, EVT VT);
- SDValue getEHLabel(DebugLoc dl, SDValue Root, MCSymbol *Label);
+ SDValue getRegisterMask(const uint32_t *RegMask);
+ SDValue getEHLabel(SDLoc dl, SDValue Root, MCSymbol *Label);
SDValue getBlockAddress(const BlockAddress *BA, EVT VT,
- bool isTarget = false, unsigned char TargetFlags = 0);
+ int64_t Offset = 0, bool isTarget = false,
+ unsigned char TargetFlags = 0);
+ SDValue getTargetBlockAddress(const BlockAddress *BA, EVT VT,
+ int64_t Offset = 0,
+ unsigned char TargetFlags = 0) {
+ return getBlockAddress(BA, VT, Offset, true, TargetFlags);
+ }
- SDValue getCopyToReg(SDValue Chain, DebugLoc dl, unsigned Reg, SDValue N) {
+ SDValue getCopyToReg(SDValue Chain, SDLoc dl, unsigned Reg, SDValue N) {
return getNode(ISD::CopyToReg, dl, MVT::Other, Chain,
getRegister(Reg, N.getValueType()), N);
}
// This version of the getCopyToReg method takes an extra operand, which
- // indicates that there is potentially an incoming flag value (if Flag is not
- // null) and that there should be a flag result.
- SDValue getCopyToReg(SDValue Chain, DebugLoc dl, unsigned Reg, SDValue N,
- SDValue Flag) {
- SDVTList VTs = getVTList(MVT::Other, MVT::Flag);
- SDValue Ops[] = { Chain, getRegister(Reg, N.getValueType()), N, Flag };
- return getNode(ISD::CopyToReg, dl, VTs, Ops, Flag.getNode() ? 4 : 3);
+ // indicates that there is potentially an incoming glue value (if Glue is not
+ // null) and that there should be a glue result.
+ SDValue getCopyToReg(SDValue Chain, SDLoc dl, unsigned Reg, SDValue N,
+ 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);
}
// Similar to last getCopyToReg() except parameter Reg is a SDValue
- SDValue getCopyToReg(SDValue Chain, DebugLoc dl, SDValue Reg, SDValue N,
- SDValue Flag) {
- SDVTList VTs = getVTList(MVT::Other, MVT::Flag);
- SDValue Ops[] = { Chain, Reg, N, Flag };
- return getNode(ISD::CopyToReg, dl, VTs, Ops, Flag.getNode() ? 4 : 3);
+ SDValue getCopyToReg(SDValue Chain, SDLoc dl, SDValue Reg, SDValue N,
+ 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);
}
- SDValue getCopyFromReg(SDValue Chain, DebugLoc dl, unsigned Reg, EVT VT) {
+ 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);
}
// This version of the getCopyFromReg method takes an extra operand, which
- // indicates that there is potentially an incoming flag value (if Flag is not
- // null) and that there should be a flag result.
- SDValue getCopyFromReg(SDValue Chain, DebugLoc dl, unsigned Reg, EVT VT,
- SDValue Flag) {
- SDVTList VTs = getVTList(VT, MVT::Other, MVT::Flag);
- SDValue Ops[] = { Chain, getRegister(Reg, VT), Flag };
- return getNode(ISD::CopyFromReg, dl, VTs, Ops, Flag.getNode() ? 3 : 2);
+ // indicates that there is potentially an incoming glue value (if Glue is not
+ // null) and that there should be a glue result.
+ SDValue getCopyFromReg(SDValue Chain, SDLoc dl, unsigned Reg, EVT VT,
+ 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);
}
SDValue getCondCode(ISD::CondCode Cond);
/// Returns the ConvertRndSat Note: Avoid using this node because it may
/// disappear in the future and most targets don't support it.
- SDValue getConvertRndSat(EVT VT, DebugLoc dl, SDValue Val, SDValue DTy,
+ SDValue getConvertRndSat(EVT VT, SDLoc dl, SDValue Val, SDValue DTy,
SDValue STy,
SDValue Rnd, SDValue Sat, ISD::CvtCode Code);
-
+
/// getVectorShuffle - Return an ISD::VECTOR_SHUFFLE node. The number of
/// elements in VT, which must be a vector type, must match the number of
/// mask elements NumElts. A integer mask element equal to -1 is treated as
/// undefined.
- SDValue getVectorShuffle(EVT VT, DebugLoc dl, SDValue N1, SDValue N2,
+ SDValue getVectorShuffle(EVT VT, SDLoc dl, SDValue N1, SDValue N2,
const int *MaskElts);
+ /// getAnyExtOrTrunc - Convert Op, which must be of integer type, to the
+ /// integer type VT, by either any-extending or truncating it.
+ SDValue getAnyExtOrTrunc(SDValue Op, SDLoc DL, EVT VT);
+
/// getSExtOrTrunc - Convert Op, which must be of integer type, to the
/// integer type VT, by either sign-extending or truncating it.
- SDValue getSExtOrTrunc(SDValue Op, DebugLoc DL, EVT VT);
+ SDValue getSExtOrTrunc(SDValue Op, SDLoc DL, EVT VT);
/// getZExtOrTrunc - Convert Op, which must be of integer type, to the
/// integer type VT, by either zero-extending or truncating it.
- SDValue getZExtOrTrunc(SDValue Op, DebugLoc DL, EVT VT);
+ SDValue getZExtOrTrunc(SDValue Op, SDLoc DL, EVT VT);
/// getZeroExtendInReg - Return the expression required to zero extend the Op
/// value assuming it was the smaller SrcTy value.
- SDValue getZeroExtendInReg(SDValue Op, DebugLoc DL, EVT SrcTy);
+ SDValue getZeroExtendInReg(SDValue Op, SDLoc DL, EVT SrcTy);
/// getNOT - Create a bitwise NOT operation as (XOR Val, -1).
- SDValue getNOT(DebugLoc DL, SDValue Val, EVT VT);
+ SDValue getNOT(SDLoc DL, SDValue Val, EVT VT);
/// getCALLSEQ_START - Return a new CALLSEQ_START node, which always must have
- /// a flag result (to ensure it's not CSE'd). CALLSEQ_START does not have a
- /// useful DebugLoc.
- SDValue getCALLSEQ_START(SDValue Chain, SDValue Op) {
- SDVTList VTs = getVTList(MVT::Other, MVT::Flag);
+ /// 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, DebugLoc(), VTs, Ops, 2);
+ return getNode(ISD::CALLSEQ_START, DL, VTs, Ops, 2);
}
/// getCALLSEQ_END - Return a new CALLSEQ_END node, which always must have a
- /// flag result (to ensure it's not CSE'd). CALLSEQ_END does not have
- /// a useful DebugLoc.
+ /// glue result (to ensure it's not CSE'd). CALLSEQ_END does not have
+ /// a useful SDLoc.
SDValue getCALLSEQ_END(SDValue Chain, SDValue Op1, SDValue Op2,
- SDValue InFlag) {
- SDVTList NodeTys = getVTList(MVT::Other, MVT::Flag);
+ SDValue InGlue, SDLoc DL) {
+ SDVTList NodeTys = getVTList(MVT::Other, MVT::Glue);
SmallVector<SDValue, 4> Ops;
Ops.push_back(Chain);
Ops.push_back(Op1);
Ops.push_back(Op2);
- Ops.push_back(InFlag);
- return getNode(ISD::CALLSEQ_END, DebugLoc(), NodeTys, &Ops[0],
- (unsigned)Ops.size() - (InFlag.getNode() == 0 ? 1 : 0));
+ Ops.push_back(InGlue);
+ return getNode(ISD::CALLSEQ_END, DL, NodeTys, &Ops[0],
+ (unsigned)Ops.size() - (InGlue.getNode()==nullptr ? 1 : 0));
}
- /// getUNDEF - Return an UNDEF node. UNDEF does not have a useful DebugLoc.
+ /// getUNDEF - Return an UNDEF node. UNDEF does not have a useful SDLoc.
SDValue getUNDEF(EVT VT) {
- return getNode(ISD::UNDEF, DebugLoc(), VT);
+ return getNode(ISD::UNDEF, SDLoc(), VT);
}
/// getGLOBAL_OFFSET_TABLE - Return a GLOBAL_OFFSET_TABLE node. This does
- /// not have a useful DebugLoc.
+ /// not have a useful SDLoc.
SDValue getGLOBAL_OFFSET_TABLE(EVT VT) {
- return getNode(ISD::GLOBAL_OFFSET_TABLE, DebugLoc(), VT);
+ return getNode(ISD::GLOBAL_OFFSET_TABLE, SDLoc(), VT);
}
/// getNode - Gets or creates the specified node.
///
- SDValue getNode(unsigned Opcode, DebugLoc DL, EVT VT);
- SDValue getNode(unsigned Opcode, DebugLoc DL, EVT VT, SDValue N);
- SDValue getNode(unsigned Opcode, DebugLoc DL, EVT VT, SDValue N1, SDValue N2);
- SDValue getNode(unsigned Opcode, DebugLoc DL, EVT VT,
+ SDValue getNode(unsigned Opcode, SDLoc DL, EVT VT);
+ SDValue getNode(unsigned Opcode, SDLoc DL, EVT VT, SDValue N);
+ SDValue getNode(unsigned Opcode, SDLoc DL, EVT VT, SDValue N1, SDValue N2);
+ SDValue getNode(unsigned Opcode, SDLoc DL, EVT VT,
SDValue N1, SDValue N2, SDValue N3);
- SDValue getNode(unsigned Opcode, DebugLoc DL, EVT VT,
+ SDValue getNode(unsigned Opcode, SDLoc DL, EVT VT,
SDValue N1, SDValue N2, SDValue N3, SDValue N4);
- SDValue getNode(unsigned Opcode, DebugLoc DL, EVT VT,
+ SDValue getNode(unsigned Opcode, SDLoc DL, EVT VT,
SDValue N1, SDValue N2, SDValue N3, SDValue N4,
SDValue N5);
- SDValue getNode(unsigned Opcode, DebugLoc DL, EVT VT,
+ SDValue getNode(unsigned Opcode, SDLoc DL, EVT VT,
const SDUse *Ops, unsigned NumOps);
- SDValue getNode(unsigned Opcode, DebugLoc DL, EVT VT,
+ SDValue getNode(unsigned Opcode, SDLoc DL, EVT VT,
const SDValue *Ops, unsigned NumOps);
- SDValue getNode(unsigned Opcode, DebugLoc DL,
- const std::vector<EVT> &ResultTys,
+ SDValue getNode(unsigned Opcode, SDLoc DL,
+ ArrayRef<EVT> ResultTys,
const SDValue *Ops, unsigned NumOps);
- SDValue getNode(unsigned Opcode, DebugLoc DL, const EVT *VTs, unsigned NumVTs,
+ SDValue getNode(unsigned Opcode, SDLoc DL, const EVT *VTs, unsigned NumVTs,
const SDValue *Ops, unsigned NumOps);
- SDValue getNode(unsigned Opcode, DebugLoc DL, SDVTList VTs,
+ SDValue getNode(unsigned Opcode, SDLoc DL, SDVTList VTs,
const SDValue *Ops, unsigned NumOps);
- SDValue getNode(unsigned Opcode, DebugLoc DL, SDVTList VTs);
- SDValue getNode(unsigned Opcode, DebugLoc DL, SDVTList VTs, SDValue N);
- SDValue getNode(unsigned Opcode, DebugLoc DL, SDVTList VTs,
+ 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,
SDValue N1, SDValue N2);
- SDValue getNode(unsigned Opcode, DebugLoc DL, SDVTList VTs,
+ SDValue getNode(unsigned Opcode, SDLoc DL, SDVTList VTs,
SDValue N1, SDValue N2, SDValue N3);
- SDValue getNode(unsigned Opcode, DebugLoc DL, SDVTList VTs,
+ SDValue getNode(unsigned Opcode, SDLoc DL, SDVTList VTs,
SDValue N1, SDValue N2, SDValue N3, SDValue N4);
- SDValue getNode(unsigned Opcode, DebugLoc DL, SDVTList VTs,
+ SDValue getNode(unsigned Opcode, SDLoc DL, SDVTList VTs,
SDValue N1, SDValue N2, SDValue N3, SDValue N4,
SDValue N5);
/// clobbered.
SDValue getStackArgumentTokenFactor(SDValue Chain);
- SDValue getMemcpy(SDValue Chain, DebugLoc dl, SDValue Dst, SDValue Src,
+ SDValue getMemcpy(SDValue Chain, SDLoc dl, SDValue Dst, SDValue Src,
SDValue Size, unsigned Align, bool isVol, bool AlwaysInline,
MachinePointerInfo DstPtrInfo,
MachinePointerInfo SrcPtrInfo);
- SDValue getMemmove(SDValue Chain, DebugLoc dl, SDValue Dst, SDValue Src,
+ SDValue getMemmove(SDValue Chain, SDLoc dl, SDValue Dst, SDValue Src,
SDValue Size, unsigned Align, bool isVol,
MachinePointerInfo DstPtrInfo,
MachinePointerInfo SrcPtrInfo);
- SDValue getMemset(SDValue Chain, DebugLoc dl, SDValue Dst, SDValue Src,
+ SDValue getMemset(SDValue Chain, SDLoc dl, SDValue Dst, SDValue Src,
SDValue Size, unsigned Align, bool isVol,
MachinePointerInfo DstPtrInfo);
/// getSetCC - Helper function to make it easier to build SetCC's if you just
/// have an ISD::CondCode instead of an SDValue.
///
- SDValue getSetCC(DebugLoc DL, EVT VT, SDValue LHS, SDValue RHS,
+ SDValue getSetCC(SDLoc DL, EVT VT, SDValue LHS, SDValue RHS,
ISD::CondCode Cond) {
+ assert(LHS.getValueType().isVector() == RHS.getValueType().isVector() &&
+ "Cannot compare scalars to vectors");
+ assert(LHS.getValueType().isVector() == VT.isVector() &&
+ "Cannot compare scalars to vectors");
+ assert(Cond != ISD::SETCC_INVALID &&
+ "Cannot create a setCC of an invalid node.");
return getNode(ISD::SETCC, DL, VT, LHS, RHS, getCondCode(Cond));
}
- /// getVSetCC - Helper function to make it easier to build VSetCC's nodes
- /// if you just have an ISD::CondCode instead of an SDValue.
- ///
- SDValue getVSetCC(DebugLoc DL, EVT VT, SDValue LHS, SDValue RHS,
- ISD::CondCode Cond) {
- return getNode(ISD::VSETCC, DL, VT, LHS, RHS, getCondCode(Cond));
+ // getSelect - Helper function to make it easier to build Select's if you just
+ // have operands and don't want to check for vector.
+ SDValue getSelect(SDLoc DL, EVT VT, SDValue Cond,
+ SDValue LHS, SDValue RHS) {
+ assert(LHS.getValueType() == RHS.getValueType() &&
+ "Cannot use select on differing types");
+ assert(VT.isVector() == LHS.getValueType().isVector() &&
+ "Cannot mix vectors and scalars");
+ return getNode(Cond.getValueType().isVector() ? ISD::VSELECT : ISD::SELECT, DL, VT,
+ Cond, LHS, RHS);
}
/// getSelectCC - Helper function to make it easier to build SelectCC's if you
/// just have an ISD::CondCode instead of an SDValue.
///
- SDValue getSelectCC(DebugLoc DL, SDValue LHS, SDValue RHS,
+ SDValue getSelectCC(SDLoc DL, SDValue LHS, SDValue RHS,
SDValue True, SDValue False, ISD::CondCode Cond) {
return getNode(ISD::SELECT_CC, DL, True.getValueType(),
LHS, RHS, True, False, getCondCode(Cond));
/// getVAArg - VAArg produces a result and token chain, and takes a pointer
/// and a source value as input.
- SDValue getVAArg(EVT VT, DebugLoc dl, SDValue Chain, SDValue Ptr,
+ SDValue getVAArg(EVT VT, SDLoc dl, SDValue Chain, SDValue Ptr,
SDValue SV, unsigned Align);
/// getAtomic - Gets a node for an atomic op, produces result and chain and
/// takes 3 operands
- SDValue getAtomic(unsigned Opcode, DebugLoc dl, EVT MemVT, SDValue Chain,
+ SDValue getAtomic(unsigned Opcode, SDLoc dl, EVT MemVT, SDValue Chain,
SDValue Ptr, SDValue Cmp, SDValue Swp,
- MachinePointerInfo PtrInfo, unsigned Alignment=0);
- SDValue getAtomic(unsigned Opcode, DebugLoc dl, EVT MemVT, SDValue Chain,
+ MachinePointerInfo PtrInfo, unsigned Alignment,
+ AtomicOrdering SuccessOrdering,
+ AtomicOrdering FailureOrdering,
+ SynchronizationScope SynchScope);
+ SDValue getAtomic(unsigned Opcode, SDLoc dl, EVT MemVT, SDValue Chain,
SDValue Ptr, SDValue Cmp, SDValue Swp,
- MachineMemOperand *MMO);
+ MachineMemOperand *MMO,
+ AtomicOrdering SuccessOrdering,
+ AtomicOrdering FailureOrdering,
+ SynchronizationScope SynchScope);
+
+ /// getAtomic - Gets a node for an atomic op, produces result (if relevant)
+ /// and chain and takes 2 operands.
+ SDValue getAtomic(unsigned Opcode, SDLoc dl, EVT MemVT, SDValue Chain,
+ SDValue Ptr, SDValue Val, const Value *PtrVal,
+ unsigned Alignment, AtomicOrdering Ordering,
+ SynchronizationScope SynchScope);
+ SDValue getAtomic(unsigned Opcode, SDLoc dl, EVT MemVT, SDValue Chain,
+ SDValue Ptr, SDValue Val, MachineMemOperand *MMO,
+ AtomicOrdering Ordering,
+ SynchronizationScope SynchScope);
/// getAtomic - Gets a node for an atomic op, produces result and chain and
- /// takes 2 operands.
- SDValue getAtomic(unsigned Opcode, DebugLoc dl, EVT MemVT, SDValue Chain,
- SDValue Ptr, SDValue Val, const Value* PtrVal,
- unsigned Alignment = 0);
- SDValue getAtomic(unsigned Opcode, DebugLoc dl, EVT MemVT, SDValue Chain,
- SDValue Ptr, SDValue Val,
- MachineMemOperand *MMO);
+ /// takes 1 operand.
+ SDValue getAtomic(unsigned Opcode, SDLoc dl, EVT MemVT, EVT VT,
+ SDValue Chain, SDValue Ptr, MachineMemOperand *MMO,
+ AtomicOrdering Ordering,
+ SynchronizationScope SynchScope);
+
+ /// 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,
+ AtomicOrdering SuccessOrdering,
+ AtomicOrdering FailureOrdering,
+ SynchronizationScope SynchScope);
+ SDValue getAtomic(unsigned Opcode, SDLoc dl, EVT MemVT, SDVTList VTList,
+ SDValue *Ops, unsigned NumOps, 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, DebugLoc dl,
+ 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, DebugLoc dl, SDVTList VTList,
+ SDValue getMemIntrinsicNode(unsigned Opcode, SDLoc dl, SDVTList VTList,
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, DebugLoc dl, SDVTList VTList,
+ SDValue getMemIntrinsicNode(unsigned Opcode, SDLoc dl, SDVTList VTList,
const SDValue *Ops, unsigned NumOps,
EVT MemVT, MachineMemOperand *MMO);
/// getMergeValues - Create a MERGE_VALUES node from the given operands.
- SDValue getMergeValues(const SDValue *Ops, unsigned NumOps, DebugLoc dl);
+ SDValue getMergeValues(const SDValue *Ops, unsigned NumOps, 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 getLoad(EVT VT, DebugLoc dl, SDValue Chain, SDValue Ptr,
+ SDValue getLoad(EVT VT, SDLoc dl, SDValue Chain, SDValue Ptr,
MachinePointerInfo PtrInfo, bool isVolatile,
- bool isNonTemporal, unsigned Alignment);
- SDValue getExtLoad(ISD::LoadExtType ExtType, EVT VT, DebugLoc dl,
+ bool isNonTemporal, bool isInvariant, unsigned Alignment,
+ const MDNode *TBAAInfo = nullptr,
+ const MDNode *Ranges = nullptr);
+ SDValue getLoad(EVT VT, SDLoc dl, SDValue Chain, SDValue Ptr,
+ MachineMemOperand *MMO);
+ SDValue getExtLoad(ISD::LoadExtType ExtType, SDLoc dl, EVT VT,
SDValue Chain, SDValue Ptr, MachinePointerInfo PtrInfo,
EVT MemVT, bool isVolatile,
- bool isNonTemporal, unsigned Alignment);
- SDValue getIndexedLoad(SDValue OrigLoad, DebugLoc dl, SDValue Base,
+ bool isNonTemporal, unsigned Alignment,
+ const MDNode *TBAAInfo = nullptr);
+ SDValue getExtLoad(ISD::LoadExtType ExtType, SDLoc dl, EVT VT,
+ SDValue Chain, SDValue Ptr, EVT MemVT,
+ MachineMemOperand *MMO);
+ SDValue getIndexedLoad(SDValue OrigLoad, SDLoc dl, SDValue Base,
SDValue Offset, ISD::MemIndexedMode AM);
SDValue getLoad(ISD::MemIndexedMode AM, ISD::LoadExtType ExtType,
- EVT VT, DebugLoc dl,
+ EVT VT, SDLoc dl,
SDValue Chain, SDValue Ptr, SDValue Offset,
MachinePointerInfo PtrInfo, EVT MemVT,
- bool isVolatile, bool isNonTemporal, unsigned Alignment);
+ bool isVolatile, bool isNonTemporal, bool isInvariant,
+ unsigned Alignment, const MDNode *TBAAInfo = nullptr,
+ const MDNode *Ranges = nullptr);
SDValue getLoad(ISD::MemIndexedMode AM, ISD::LoadExtType ExtType,
- EVT VT, DebugLoc dl,
+ EVT VT, SDLoc dl,
SDValue Chain, SDValue Ptr, SDValue Offset,
EVT MemVT, MachineMemOperand *MMO);
/// getStore - Helper function to build ISD::STORE nodes.
///
- SDValue getStore(SDValue Chain, DebugLoc dl, SDValue Val, SDValue Ptr,
+ SDValue getStore(SDValue Chain, SDLoc dl, SDValue Val, SDValue Ptr,
MachinePointerInfo PtrInfo, bool isVolatile,
- bool isNonTemporal, unsigned Alignment);
- SDValue getStore(SDValue Chain, DebugLoc dl, SDValue Val, SDValue Ptr,
- const Value *V, int SVOffset, bool isVolatile,
- bool isNonTemporal, unsigned Alignment);
- SDValue getStore(SDValue Chain, DebugLoc dl, SDValue Val, SDValue Ptr,
+ bool isNonTemporal, unsigned Alignment,
+ const MDNode *TBAAInfo = nullptr);
+ SDValue getStore(SDValue Chain, SDLoc dl, SDValue Val, SDValue Ptr,
MachineMemOperand *MMO);
- SDValue getTruncStore(SDValue Chain, DebugLoc dl, SDValue Val, SDValue Ptr,
+ SDValue getTruncStore(SDValue Chain, SDLoc dl, SDValue Val, SDValue Ptr,
MachinePointerInfo PtrInfo, EVT TVT,
bool isNonTemporal, bool isVolatile,
- unsigned Alignment);
- SDValue getTruncStore(SDValue Chain, DebugLoc dl, SDValue Val, SDValue Ptr,
+ unsigned Alignment,
+ const MDNode *TBAAInfo = nullptr);
+ SDValue getTruncStore(SDValue Chain, SDLoc dl, SDValue Val, SDValue Ptr,
EVT TVT, MachineMemOperand *MMO);
- SDValue getIndexedStore(SDValue OrigStoe, DebugLoc dl, SDValue Base,
+ SDValue getIndexedStore(SDValue OrigStoe, SDLoc dl, SDValue Base,
SDValue Offset, ISD::MemIndexedMode AM);
/// getSrcValue - Construct a node to track a Value* through the backend.
/// getMDNode - Return an MDNodeSDNode which holds an MDNode.
SDValue getMDNode(const MDNode *MD);
-
+
+ /// getAddrSpaceCast - Return an AddrSpaceCastSDNode.
+ SDValue getAddrSpaceCast(SDLoc dl, EVT VT, SDValue Ptr,
+ unsigned SrcAS, unsigned DestAS);
+
/// getShiftAmountOperand - Return the specified value casted to
/// the target's desired shift amount type.
- SDValue getShiftAmountOperand(SDValue Op);
+ SDValue getShiftAmountOperand(EVT LHSTy, SDValue Op);
/// UpdateNodeOperands - *Mutate* the specified node in-place to have the
/// specified operands. If the resultant node already exists in the DAG,
/// Note that getMachineNode returns the resultant node. If there is already
/// a node of the specified opcode and operands, it returns that node instead
/// of the current one.
- MachineSDNode *getMachineNode(unsigned Opcode, DebugLoc dl, EVT VT);
- MachineSDNode *getMachineNode(unsigned Opcode, DebugLoc dl, EVT VT,
+ MachineSDNode *getMachineNode(unsigned Opcode, SDLoc dl, EVT VT);
+ MachineSDNode *getMachineNode(unsigned Opcode, SDLoc dl, EVT VT,
+ SDValue Op1);
+ MachineSDNode *getMachineNode(unsigned Opcode, SDLoc dl, EVT VT,
+ SDValue Op1, SDValue Op2);
+ MachineSDNode *getMachineNode(unsigned Opcode, SDLoc dl, EVT VT,
+ SDValue Op1, SDValue Op2, SDValue Op3);
+ MachineSDNode *getMachineNode(unsigned Opcode, SDLoc dl, EVT VT,
+ ArrayRef<SDValue> Ops);
+ MachineSDNode *getMachineNode(unsigned Opcode, SDLoc dl, EVT VT1, EVT VT2);
+ MachineSDNode *getMachineNode(unsigned Opcode, SDLoc dl, EVT VT1, EVT VT2,
SDValue Op1);
- MachineSDNode *getMachineNode(unsigned Opcode, DebugLoc dl, EVT VT,
+ MachineSDNode *getMachineNode(unsigned Opcode, SDLoc dl, EVT VT1, EVT VT2,
SDValue Op1, SDValue Op2);
- MachineSDNode *getMachineNode(unsigned Opcode, DebugLoc dl, EVT VT,
- SDValue Op1, SDValue Op2, SDValue Op3);
- MachineSDNode *getMachineNode(unsigned Opcode, DebugLoc dl, EVT VT,
- const SDValue *Ops, unsigned NumOps);
- MachineSDNode *getMachineNode(unsigned Opcode, DebugLoc dl, EVT VT1, EVT VT2);
- MachineSDNode *getMachineNode(unsigned Opcode, DebugLoc dl, EVT VT1, EVT VT2,
- SDValue Op1);
- MachineSDNode *getMachineNode(unsigned Opcode, DebugLoc dl, EVT VT1,
- EVT VT2, SDValue Op1, SDValue Op2);
- MachineSDNode *getMachineNode(unsigned Opcode, DebugLoc dl, EVT VT1,
- EVT VT2, SDValue Op1, SDValue Op2, SDValue Op3);
- MachineSDNode *getMachineNode(unsigned Opcode, DebugLoc dl, EVT VT1, EVT VT2,
- const SDValue *Ops, unsigned NumOps);
- MachineSDNode *getMachineNode(unsigned Opcode, DebugLoc dl, EVT VT1, EVT VT2,
- EVT VT3, SDValue Op1, SDValue Op2);
- MachineSDNode *getMachineNode(unsigned Opcode, DebugLoc dl, EVT VT1, EVT VT2,
- EVT VT3, SDValue Op1, SDValue Op2, SDValue Op3);
- MachineSDNode *getMachineNode(unsigned Opcode, DebugLoc dl, EVT VT1, EVT VT2,
- EVT VT3, const SDValue *Ops, unsigned NumOps);
- MachineSDNode *getMachineNode(unsigned Opcode, DebugLoc dl, EVT VT1, EVT VT2,
- EVT VT3, EVT VT4, const SDValue *Ops, unsigned NumOps);
- MachineSDNode *getMachineNode(unsigned Opcode, DebugLoc dl,
- const std::vector<EVT> &ResultTys, const SDValue *Ops,
- unsigned NumOps);
- MachineSDNode *getMachineNode(unsigned Opcode, DebugLoc dl, SDVTList VTs,
- const SDValue *Ops, unsigned NumOps);
+ MachineSDNode *getMachineNode(unsigned Opcode, SDLoc dl, EVT VT1, EVT VT2,
+ SDValue Op1, SDValue Op2, SDValue Op3);
+ MachineSDNode *getMachineNode(unsigned Opcode, SDLoc dl, EVT VT1, EVT VT2,
+ ArrayRef<SDValue> Ops);
+ MachineSDNode *getMachineNode(unsigned Opcode, SDLoc dl, EVT VT1, EVT VT2,
+ EVT VT3, SDValue Op1, SDValue Op2);
+ MachineSDNode *getMachineNode(unsigned Opcode, SDLoc dl, EVT VT1, EVT VT2,
+ EVT VT3, SDValue Op1, SDValue Op2,
+ SDValue Op3);
+ MachineSDNode *getMachineNode(unsigned Opcode, SDLoc dl, EVT VT1, EVT VT2,
+ EVT VT3, ArrayRef<SDValue> Ops);
+ MachineSDNode *getMachineNode(unsigned Opcode, SDLoc dl, EVT VT1, EVT VT2,
+ EVT VT3, EVT VT4, ArrayRef<SDValue> Ops);
+ MachineSDNode *getMachineNode(unsigned Opcode, SDLoc dl,
+ ArrayRef<EVT> ResultTys,
+ ArrayRef<SDValue> Ops);
+ MachineSDNode *getMachineNode(unsigned Opcode, SDLoc dl, SDVTList VTs,
+ ArrayRef<SDValue> Ops);
/// getTargetExtractSubreg - A convenience function for creating
/// TargetInstrInfo::EXTRACT_SUBREG nodes.
- SDValue getTargetExtractSubreg(int SRIdx, DebugLoc DL, EVT VT,
+ SDValue getTargetExtractSubreg(int SRIdx, SDLoc DL, EVT VT,
SDValue Operand);
/// getTargetInsertSubreg - A convenience function for creating
/// TargetInstrInfo::INSERT_SUBREG nodes.
- SDValue getTargetInsertSubreg(int SRIdx, DebugLoc DL, EVT VT,
+ SDValue getTargetInsertSubreg(int SRIdx, SDLoc DL, EVT VT,
SDValue Operand, SDValue Subreg);
/// getNodeIfExists - Get the specified node if it's already available, or
SDDbgValue *getDbgValue(MDNode *MDPtr, unsigned FI, uint64_t Off,
DebugLoc DL, unsigned O);
- /// DAGUpdateListener - Clients of various APIs that cause global effects on
- /// the DAG can optionally implement this interface. This allows the clients
- /// to handle the various sorts of updates that happen.
- class DAGUpdateListener {
- public:
- virtual ~DAGUpdateListener();
-
- /// NodeDeleted - The node N that was deleted and, if E is not null, an
- /// equivalent node E that replaced it.
- virtual void NodeDeleted(SDNode *N, SDNode *E) = 0;
-
- /// NodeUpdated - The node N that was updated.
- virtual void NodeUpdated(SDNode *N) = 0;
- };
-
/// RemoveDeadNode - Remove the specified node from the system. If any of its
/// operands then becomes dead, remove them as well. Inform UpdateListener
/// for each node deleted.
- void RemoveDeadNode(SDNode *N, DAGUpdateListener *UpdateListener = 0);
+ void RemoveDeadNode(SDNode *N);
/// RemoveDeadNodes - This method deletes the unreachable nodes in the
/// given list, and any nodes that become unreachable as a result.
- void RemoveDeadNodes(SmallVectorImpl<SDNode *> &DeadNodes,
- DAGUpdateListener *UpdateListener = 0);
+ void RemoveDeadNodes(SmallVectorImpl<SDNode *> &DeadNodes);
/// ReplaceAllUsesWith - Modify anything using 'From' to use 'To' instead.
/// This can cause recursive merging of nodes in the DAG. Use the first
/// These functions only replace all existing uses. It's possible that as
/// these replacements are being performed, CSE may cause the From node
/// to be given new uses. These new uses of From are left in place, and
- /// not automatically transfered to To.
+ /// not automatically transferred to To.
///
- void ReplaceAllUsesWith(SDValue From, SDValue Op,
- DAGUpdateListener *UpdateListener = 0);
- void ReplaceAllUsesWith(SDNode *From, SDNode *To,
- DAGUpdateListener *UpdateListener = 0);
- void ReplaceAllUsesWith(SDNode *From, const SDValue *To,
- DAGUpdateListener *UpdateListener = 0);
+ void ReplaceAllUsesWith(SDValue From, SDValue Op);
+ void ReplaceAllUsesWith(SDNode *From, SDNode *To);
+ void ReplaceAllUsesWith(SDNode *From, const SDValue *To);
/// ReplaceAllUsesOfValueWith - Replace any uses of From with To, leaving
/// uses of other values produced by From.Val alone.
- void ReplaceAllUsesOfValueWith(SDValue From, SDValue To,
- DAGUpdateListener *UpdateListener = 0);
+ void ReplaceAllUsesOfValueWith(SDValue From, SDValue To);
/// ReplaceAllUsesOfValuesWith - Like ReplaceAllUsesOfValueWith, but
/// for multiple values at once. This correctly handles the case where
/// there is an overlap between the From values and the To values.
void ReplaceAllUsesOfValuesWith(const SDValue *From, const SDValue *To,
- unsigned Num,
- DAGUpdateListener *UpdateListener = 0);
+ unsigned Num);
/// AssignTopologicalOrder - Topological-sort the AllNodes list and a
/// assign a unique node id for each node in the DAG based on their
}
}
- /// AssignOrdering - Assign an order to the SDNode.
- void AssignOrdering(const SDNode *SD, unsigned Order);
-
- /// GetOrdering - Get the order for the SDNode.
- unsigned GetOrdering(const SDNode *SD) const;
+ /// Returns an APFloat semantics tag appropriate for the given type. If VT is
+ /// a vector type, the element semantics are returned.
+ static const fltSemantics &EVTToAPFloatSemantics(EVT VT) {
+ switch (VT.getScalarType().getSimpleVT().SimpleTy) {
+ default: llvm_unreachable("Unknown FP format");
+ case MVT::f16: return APFloat::IEEEhalf;
+ case MVT::f32: return APFloat::IEEEsingle;
+ case MVT::f64: return APFloat::IEEEdouble;
+ case MVT::f80: return APFloat::x87DoubleExtended;
+ case MVT::f128: return APFloat::IEEEquad;
+ case MVT::ppcf128: return APFloat::PPCDoubleDouble;
+ }
+ }
/// AddDbgValue - Add a dbg_value SDNode. If SD is non-null that means the
/// value is produced by SD.
void AddDbgValue(SDDbgValue *DB, SDNode *SD, bool isParameter);
/// GetDbgValues - Get the debug values which reference the given SDNode.
- SmallVector<SDDbgValue*,2> &GetDbgValues(const SDNode* SD) {
+ ArrayRef<SDDbgValue*> GetDbgValues(const SDNode* SD) {
return DbgInfo->getSDDbgValues(SD);
}
+ /// TransferDbgValues - Transfer SDDbgValues.
+ void TransferDbgValues(SDValue From, SDValue To);
+
/// hasDebugValues - Return true if there are any SDDbgValue nodes associated
/// with this SelectionDAG.
bool hasDebugValues() const { return !DbgInfo->empty(); }
SDDbgInfo::DbgIterator DbgBegin() { return DbgInfo->DbgBegin(); }
SDDbgInfo::DbgIterator DbgEnd() { return DbgInfo->DbgEnd(); }
- SDDbgInfo::DbgIterator ByvalParmDbgBegin() {
- return DbgInfo->ByvalParmDbgBegin();
+ SDDbgInfo::DbgIterator ByvalParmDbgBegin() {
+ return DbgInfo->ByvalParmDbgBegin();
}
- SDDbgInfo::DbgIterator ByvalParmDbgEnd() {
- return DbgInfo->ByvalParmDbgEnd();
+ SDDbgInfo::DbgIterator ByvalParmDbgEnd() {
+ return DbgInfo->ByvalParmDbgEnd();
}
void dump() const;
SDValue CreateStackTemporary(EVT VT1, EVT VT2);
/// FoldConstantArithmetic -
- SDValue FoldConstantArithmetic(unsigned Opcode,
- EVT VT,
- ConstantSDNode *Cst1,
- ConstantSDNode *Cst2);
+ SDValue FoldConstantArithmetic(unsigned Opcode, EVT VT,
+ SDNode *Cst1, SDNode *Cst2);
/// FoldSetCC - Constant fold a setcc to true or false.
SDValue FoldSetCC(EVT VT, SDValue N1,
- SDValue N2, ISD::CondCode Cond, DebugLoc dl);
+ SDValue N2, ISD::CondCode Cond, SDLoc dl);
/// SignBitIsZero - Return true if the sign bit of Op is known to be zero. We
/// use this predicate to simplify operations downstream.
/// 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, const APInt &Mask, APInt &KnownZero,
- APInt &KnownOne, unsigned Depth = 0) const;
+ void ComputeMaskedBits(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
/// class to allow target nodes to be understood.
unsigned ComputeNumSignBits(SDValue Op, unsigned Depth = 0) const;
+ /// isBaseWithConstantOffset - Return true if the specified operand is an
+ /// ISD::ADD with a ConstantSDNode on the right-hand side, or if it is an
+ /// ISD::OR with a ConstantSDNode that is guaranteed to have the same
+ /// semantics as an ADD. This handles the equivalence:
+ /// X|Cst == X+Cst iff X&Cst = 0.
+ bool isBaseWithConstantOffset(SDValue Op) const;
+
/// isKnownNeverNan - Test whether the given SDValue is known to never be NaN.
bool isKnownNeverNaN(SDValue Op) const;
/// other positive zero.
bool isEqualTo(SDValue A, SDValue B) const;
- /// isVerifiedDebugInfoDesc - Returns true if the specified SDValue has
- /// been verified as a debug information descriptor.
- bool isVerifiedDebugInfoDesc(SDValue Op) const;
-
/// UnrollVectorOp - Utility function used by legalize and lowering to
/// "unroll" a vector operation by splitting out the scalars and operating
/// on each element individually. If the ResNE is 0, fully unroll the vector
/// vector op and fill the end of the resulting vector with UNDEFS.
SDValue UnrollVectorOp(SDNode *N, unsigned ResNE = 0);
- /// isConsecutiveLoad - Return true if LD is loading 'Bytes' bytes from a
- /// location that is 'Dist' units away from the location that the 'Base' load
+ /// isConsecutiveLoad - Return true if LD is loading 'Bytes' bytes from a
+ /// location that is 'Dist' units away from the location that the 'Base' load
/// is loading from.
bool isConsecutiveLoad(LoadSDNode *LD, LoadSDNode *Base,
unsigned Bytes, int Dist) const;
/// it cannot be inferred.
unsigned InferPtrAlignment(SDValue Ptr) const;
+ /// GetSplitDestVTs - Compute the VTs needed for the low/hi parts of a type
+ /// which is split (or expanded) into two not necessarily identical pieces.
+ std::pair<EVT, EVT> GetSplitDestVTs(const EVT &VT) const;
+
+ /// SplitVector - Split the vector with EXTRACT_SUBVECTOR using the provides
+ /// VTs and return the low/high part.
+ std::pair<SDValue, SDValue> SplitVector(const SDValue &N, const SDLoc &DL,
+ const EVT &LoVT, const EVT &HiVT);
+
+ /// SplitVector - Split the vector with EXTRACT_SUBVECTOR and return the
+ /// low/high part.
+ std::pair<SDValue, SDValue> SplitVector(const SDValue &N, const SDLoc &DL) {
+ EVT LoVT, HiVT;
+ std::tie(LoVT, HiVT) = GetSplitDestVTs(N.getValueType());
+ return SplitVector(N, DL, LoVT, HiVT);
+ }
+
+ /// SplitVectorOperand - Split the node's operand with EXTRACT_SUBVECTOR and
+ /// return the low/high part.
+ std::pair<SDValue, SDValue> SplitVectorOperand(const SDNode *N, unsigned OpNo)
+ {
+ return SplitVector(N->getOperand(OpNo), SDLoc(N));
+ }
+
+ /// ExtractVectorElements - Append the extracted elements from Start to Count
+ /// out of the vector Op in Args. If Count is 0, all of the elements will be
+ /// extracted.
+ void ExtractVectorElements(SDValue Op, SmallVectorImpl<SDValue> &Args,
+ unsigned Start = 0, unsigned Count = 0);
+
+ unsigned getEVTAlignment(EVT MemoryVT) const;
+
private:
bool RemoveNodeFromCSEMaps(SDNode *N);
- void AddModifiedNodeToCSEMaps(SDNode *N, DAGUpdateListener *UpdateListener);
+ void AddModifiedNodeToCSEMaps(SDNode *N);
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,
void *&InsertPos);
+ SDNode *UpdadeSDLocOnMergedSDNode(SDNode *N, SDLoc loc);
void DeleteNodeNotInCSEMaps(SDNode *N);
void DeallocateNode(SDNode *N);
- unsigned getEVTAlignment(EVT MemoryVT) const;
-
void allnodes_clear();
/// VTList - List of non-single value types.
- std::vector<SDVTList> VTList;
+ FoldingSet<SDVTListNode> VTListMap;
/// CondCodeNodes - Maps to auto-CSE operations.
std::vector<CondCodeSDNode*> CondCodeNodes;
std::vector<SDNode*> ValueTypeNodes;
std::map<EVT, SDNode*, EVT::compareRawBits> ExtendedValueTypeNodes;
StringMap<SDNode*> ExternalSymbols;
-
+
std::map<std::pair<std::string, unsigned char>,SDNode*> TargetExternalSymbols;
};