LLVM
15.0.0git
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#include "llvm/CodeGen/SelectionDAG.h"
#include "SDNodeDbgValue.h"
#include "llvm/ADT/APFloat.h"
#include "llvm/ADT/APInt.h"
#include "llvm/ADT/APSInt.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/BitVector.h"
#include "llvm/ADT/FoldingSet.h"
#include "llvm/ADT/None.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Triple.h"
#include "llvm/ADT/Twine.h"
#include "llvm/Analysis/MemoryLocation.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/CodeGen/Analysis.h"
#include "llvm/CodeGen/FunctionLoweringInfo.h"
#include "llvm/CodeGen/ISDOpcodes.h"
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/MachineConstantPool.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineMemOperand.h"
#include "llvm/CodeGen/RuntimeLibcalls.h"
#include "llvm/CodeGen/SelectionDAGAddressAnalysis.h"
#include "llvm/CodeGen/SelectionDAGNodes.h"
#include "llvm/CodeGen/SelectionDAGTargetInfo.h"
#include "llvm/CodeGen/TargetFrameLowering.h"
#include "llvm/CodeGen/TargetLowering.h"
#include "llvm/CodeGen/TargetRegisterInfo.h"
#include "llvm/CodeGen/TargetSubtargetInfo.h"
#include "llvm/CodeGen/ValueTypes.h"
#include "llvm/IR/Constant.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/DebugInfoMetadata.h"
#include "llvm/IR/DebugLoc.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/GlobalValue.h"
#include "llvm/IR/Metadata.h"
#include "llvm/IR/Type.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/CodeGen.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/KnownBits.h"
#include "llvm/Support/MachineValueType.h"
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/Mutex.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/Transforms/Utils/SizeOpts.h"
#include <algorithm>
#include <cassert>
#include <cstdint>
#include <cstdlib>
#include <limits>
#include <set>
#include <string>
#include <utility>
#include <vector>
#include "llvm/IR/VPIntrinsics.def"
#include "llvm/IR/ConstrainedOps.def"
Go to the source code of this file.
Macros | |
#define | DEBUG_TYPE "selectiondag" |
#define | BEGIN_REGISTER_VP_SDNODE(VPSD, ...) |
#define | BEGIN_REGISTER_VP_SDNODE(VPSD, ...) case ISD::VPSD: |
#define | VP_PROPERTY_BINARYOP return true; |
#define | END_REGISTER_VP_SDNODE(VPSD) break; |
#define | BEGIN_REGISTER_VP_SDNODE(VPSD, ...) case ISD::VPSD: |
#define | VP_PROPERTY_REDUCTION(STARTPOS, ...) return true; |
#define | END_REGISTER_VP_SDNODE(VPSD) break; |
#define | BEGIN_REGISTER_VP_SDNODE(VPSD, LEGALPOS, TDNAME, MASKPOS, ...) |
#define | BEGIN_REGISTER_VP_SDNODE(VPSD, LEGALPOS, TDNAME, MASKPOS, EVLPOS) |
#define | DAG_INSTRUCTION(NAME, NARG, ROUND_MODE, INTRINSIC, DAGN) case ISD::STRICT_##DAGN: NewOpc = ISD::DAGN; break; |
#define | CMP_INSTRUCTION(NAME, NARG, ROUND_MODE, INTRINSIC, DAGN) case ISD::STRICT_##DAGN: NewOpc = ISD::SETCC; break; |
Functions | |
static SDVTList | makeVTList (const EVT *VTs, unsigned NumVTs) |
makeVTList - Return an instance of the SDVTList struct initialized with the specified members. More... | |
static void | NewSDValueDbgMsg (SDValue V, StringRef Msg, SelectionDAG *G) |
static ISD::CondCode | getSetCCInverseImpl (ISD::CondCode Op, bool isIntegerLike) |
static int | isSignedOp (ISD::CondCode Opcode) |
For an integer comparison, return 1 if the comparison is a signed operation and 2 if the result is an unsigned comparison. More... | |
static void | AddNodeIDOpcode (FoldingSetNodeID &ID, unsigned OpC) |
AddNodeIDOpcode - Add the node opcode to the NodeID data. More... | |
static void | AddNodeIDValueTypes (FoldingSetNodeID &ID, SDVTList VTList) |
AddNodeIDValueTypes - Value type lists are intern'd so we can represent them solely with their pointer. More... | |
static void | AddNodeIDOperands (FoldingSetNodeID &ID, ArrayRef< SDValue > Ops) |
AddNodeIDOperands - Various routines for adding operands to the NodeID data. More... | |
static void | AddNodeIDOperands (FoldingSetNodeID &ID, ArrayRef< SDUse > Ops) |
AddNodeIDOperands - Various routines for adding operands to the NodeID data. More... | |
static void | AddNodeIDNode (FoldingSetNodeID &ID, unsigned short OpC, SDVTList VTList, ArrayRef< SDValue > OpList) |
static void | AddNodeIDCustom (FoldingSetNodeID &ID, const SDNode *N) |
If this is an SDNode with special info, add this info to the NodeID data. More... | |
static void | AddNodeIDNode (FoldingSetNodeID &ID, const SDNode *N) |
AddNodeIDNode - Generic routine for adding a nodes info to the NodeID data. More... | |
static bool | doNotCSE (SDNode *N) |
doNotCSE - Return true if CSE should not be performed for this node. More... | |
static void | VerifySDNode (SDNode *N) |
VerifySDNode - Check the given SDNode. Aborts if it is invalid. More... | |
static void | commuteShuffle (SDValue &N1, SDValue &N2, MutableArrayRef< int > M) |
Swaps the values of N1 and N2. More... | |
static bool | haveNoCommonBitsSetCommutative (SDValue A, SDValue B) |
static SDValue | FoldSTEP_VECTOR (const SDLoc &DL, EVT VT, SDValue Step, SelectionDAG &DAG) |
static SDValue | FoldBUILD_VECTOR (const SDLoc &DL, EVT VT, ArrayRef< SDValue > Ops, SelectionDAG &DAG) |
static SDValue | foldCONCAT_VECTORS (const SDLoc &DL, EVT VT, ArrayRef< SDValue > Ops, SelectionDAG &DAG) |
Try to simplify vector concatenation to an input value, undef, or build vector. More... | |
static llvm::Optional< APInt > | FoldValue (unsigned Opcode, const APInt &C1, const APInt &C2) |
static SDValue | getMemsetValue (SDValue Value, EVT VT, SelectionDAG &DAG, const SDLoc &dl) |
getMemsetValue - Vectorized representation of the memset value operand. More... | |
static SDValue | getMemsetStringVal (EVT VT, const SDLoc &dl, SelectionDAG &DAG, const TargetLowering &TLI, const ConstantDataArraySlice &Slice) |
getMemsetStringVal - Similar to getMemsetValue. More... | |
static bool | isMemSrcFromConstant (SDValue Src, ConstantDataArraySlice &Slice) |
Returns true if memcpy source is constant data. More... | |
static bool | shouldLowerMemFuncForSize (const MachineFunction &MF, SelectionDAG &DAG) |
static void | chainLoadsAndStoresForMemcpy (SelectionDAG &DAG, const SDLoc &dl, SmallVector< SDValue, 32 > &OutChains, unsigned From, unsigned To, SmallVector< SDValue, 16 > &OutLoadChains, SmallVector< SDValue, 16 > &OutStoreChains) |
static SDValue | getMemcpyLoadsAndStores (SelectionDAG &DAG, const SDLoc &dl, SDValue Chain, SDValue Dst, SDValue Src, uint64_t Size, Align Alignment, bool isVol, bool AlwaysInline, MachinePointerInfo DstPtrInfo, MachinePointerInfo SrcPtrInfo, const AAMDNodes &AAInfo) |
static SDValue | getMemmoveLoadsAndStores (SelectionDAG &DAG, const SDLoc &dl, SDValue Chain, SDValue Dst, SDValue Src, uint64_t Size, Align Alignment, bool isVol, bool AlwaysInline, MachinePointerInfo DstPtrInfo, MachinePointerInfo SrcPtrInfo, const AAMDNodes &AAInfo) |
static SDValue | getMemsetStores (SelectionDAG &DAG, const SDLoc &dl, SDValue Chain, SDValue Dst, SDValue Src, uint64_t Size, Align Alignment, bool isVol, MachinePointerInfo DstPtrInfo, const AAMDNodes &AAInfo) |
Lower the call to 'memset' intrinsic function into a series of store operations. More... | |
static void | checkAddrSpaceIsValidForLibcall (const TargetLowering *TLI, unsigned AS) |
static MachinePointerInfo | InferPointerInfo (const MachinePointerInfo &Info, SelectionDAG &DAG, SDValue Ptr, int64_t Offset=0) |
InferPointerInfo - If the specified ptr/offset is a frame index, infer a MachinePointerInfo record from it. More... | |
static MachinePointerInfo | InferPointerInfo (const MachinePointerInfo &Info, SelectionDAG &DAG, SDValue Ptr, SDValue OffsetOp) |
InferPointerInfo - If the specified ptr/offset is a frame index, infer a MachinePointerInfo record from it. More... | |
static void | checkForCyclesHelper (const SDNode *N, SmallPtrSetImpl< const SDNode * > &Visited, SmallPtrSetImpl< const SDNode * > &Checked, const llvm::SelectionDAG *DAG) |
Variables | |
static cl::opt< bool > | EnableMemCpyDAGOpt ("enable-memcpy-dag-opt", cl::Hidden, cl::init(true), cl::desc("Gang up loads and stores generated by inlining of memcpy")) |
static cl::opt< int > | MaxLdStGlue ("ldstmemcpy-glue-max", cl::desc("Number limit for gluing ld/st of memcpy."), cl::Hidden, cl::init(0)) |
static ManagedStatic< std::set< EVT, EVT::compareRawBits > > | EVTs |
static ManagedStatic< EVTArray > | SimpleVTArray |
static ManagedStatic< sys::SmartMutex< true > > | VTMutex |
#define BEGIN_REGISTER_VP_SDNODE | ( | VPSD, | |
LEGALPOS, | |||
TDNAME, | |||
MASKPOS, | |||
EVLPOS | |||
) |
#define BEGIN_REGISTER_VP_SDNODE | ( | VPSD, | |
LEGALPOS, | |||
TDNAME, | |||
MASKPOS, | |||
... | |||
) |
#define BEGIN_REGISTER_VP_SDNODE | ( | VPSD, | |
... | |||
) |
#define BEGIN_REGISTER_VP_SDNODE | ( | VPSD, | |
... | |||
) | case ISD::VPSD: |
#define BEGIN_REGISTER_VP_SDNODE | ( | VPSD, | |
... | |||
) | case ISD::VPSD: |
#define CMP_INSTRUCTION | ( | NAME, | |
NARG, | |||
ROUND_MODE, | |||
INTRINSIC, | |||
DAGN | |||
) | case ISD::STRICT_##DAGN: NewOpc = ISD::SETCC; break; |
#define DAG_INSTRUCTION | ( | NAME, | |
NARG, | |||
ROUND_MODE, | |||
INTRINSIC, | |||
DAGN | |||
) | case ISD::STRICT_##DAGN: NewOpc = ISD::DAGN; break; |
#define DEBUG_TYPE "selectiondag" |
Definition at line 96 of file SelectionDAG.cpp.
#define END_REGISTER_VP_SDNODE | ( | VPSD | ) | break; |
#define END_REGISTER_VP_SDNODE | ( | VPSD | ) | break; |
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If this is an SDNode with special info, add this info to the NodeID data.
Definition at line 629 of file SelectionDAG.cpp.
References llvm::ISD::AssertAlign, llvm::ISD::ATOMIC_CMP_SWAP, llvm::ISD::ATOMIC_CMP_SWAP_WITH_SUCCESS, llvm::ISD::ATOMIC_LOAD, llvm::ISD::ATOMIC_LOAD_ADD, llvm::ISD::ATOMIC_LOAD_AND, llvm::ISD::ATOMIC_LOAD_CLR, llvm::ISD::ATOMIC_LOAD_MAX, llvm::ISD::ATOMIC_LOAD_MIN, llvm::ISD::ATOMIC_LOAD_NAND, llvm::ISD::ATOMIC_LOAD_OR, llvm::ISD::ATOMIC_LOAD_SUB, llvm::ISD::ATOMIC_LOAD_UMAX, llvm::ISD::ATOMIC_LOAD_UMIN, llvm::ISD::ATOMIC_LOAD_XOR, llvm::ISD::ATOMIC_STORE, llvm::ISD::ATOMIC_SWAP, llvm::ISD::BasicBlock, llvm::ISD::BlockAddress, llvm::ISD::Constant, llvm::ISD::ConstantFP, llvm::ISD::ConstantPool, llvm::HexagonISD::CP, llvm::numbers::e, llvm::ISD::ExternalSymbol, llvm::ISD::FrameIndex, llvm::MachinePointerInfo::getAddrSpace(), llvm::getAlign(), llvm::Intrinsic::getAttributes(), llvm::SelectionDAG::getBasicBlock(), llvm::BlockAddressSDNode::getBlockAddress(), llvm::MachineMemOperand::getFlags(), llvm::GlobalAddressSDNode::getGlobal(), llvm::TargetIndexSDNode::getIndex(), llvm::ShuffleVectorSDNode::getMaskElt(), llvm::MemSDNode::getMemOperand(), llvm::MemSDNode::getMemoryVT(), llvm::getOffset(), llvm::GlobalAddressSDNode::getOffset(), llvm::TargetIndexSDNode::getOffset(), llvm::BlockAddressSDNode::getOffset(), llvm::MemSDNode::getPointerInfo(), llvm::EVT::getRawBits(), llvm::MemSDNode::getRawSubclassData(), getReg(), llvm::GlobalAddressSDNode::getTargetFlags(), llvm::TargetIndexSDNode::getTargetFlags(), llvm::BlockAddressSDNode::getTargetFlags(), llvm::ISD::GlobalAddress, llvm::ISD::GlobalTLSAddress, i, llvm::ISD::JumpTable, llvm::ARM_MB::LD, llvm::ISD::LIFETIME_END, llvm::ISD::LIFETIME_START, llvm_unreachable, llvm::ISD::LOAD, llvm::ISD::MCSymbol, llvm::ISD::MGATHER, llvm::ISD::MLOAD, llvm::ISD::MSCATTER, llvm::ISD::MSTORE, N, llvm::ISD::PREFETCH, llvm::ISD::PSEUDO_PROBE, llvm::ISD::Register, llvm::ISD::RegisterMask, llvm::ISD::SRCVALUE, llvm::ARM_MB::ST, llvm::ISD::STORE, llvm::ISD::TargetBlockAddress, llvm::ISD::TargetConstant, llvm::ISD::TargetConstantFP, llvm::ISD::TargetConstantPool, llvm::ISD::TargetExternalSymbol, llvm::ISD::TargetFrameIndex, llvm::ISD::TargetGlobalAddress, llvm::ISD::TargetGlobalTLSAddress, llvm::ISD::TargetIndex, llvm::ISD::TargetJumpTable, and llvm::ISD::VECTOR_SHUFFLE.
Referenced by AddNodeIDNode().
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AddNodeIDNode - Generic routine for adding a nodes info to the NodeID data.
Definition at line 863 of file SelectionDAG.cpp.
References AddNodeIDCustom(), AddNodeIDOpcode(), AddNodeIDOperands(), AddNodeIDValueTypes(), and N.
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Definition at line 621 of file SelectionDAG.cpp.
References AddNodeIDOpcode(), AddNodeIDOperands(), and AddNodeIDValueTypes().
Referenced by llvm::SelectionDAG::doesNodeExist(), llvm::SelectionDAG::getAddrSpaceCast(), llvm::SelectionDAG::getAssertAlign(), llvm::SelectionDAG::getAtomic(), llvm::SelectionDAG::getBasicBlock(), llvm::SelectionDAG::getBlockAddress(), llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getConstantFP(), llvm::SelectionDAG::getConstantPool(), llvm::SelectionDAG::getFrameIndex(), llvm::SelectionDAG::getGatherVP(), llvm::SelectionDAG::getGlobalAddress(), llvm::SelectionDAG::getIndexedStore(), llvm::SelectionDAG::getIndexedStoreVP(), llvm::SelectionDAG::getIndexedStridedStoreVP(), llvm::SelectionDAG::getJumpTable(), llvm::SelectionDAG::getLabelNode(), llvm::SelectionDAG::getLifetimeNode(), llvm::SelectionDAG::getLoad(), llvm::SelectionDAG::getLoadVP(), llvm::SelectionDAG::getMachineNode(), llvm::SelectionDAG::getMaskedGather(), llvm::SelectionDAG::getMaskedLoad(), llvm::SelectionDAG::getMaskedScatter(), llvm::SelectionDAG::getMaskedStore(), llvm::SelectionDAG::getMDNode(), llvm::SelectionDAG::getMemIntrinsicNode(), llvm::SelectionDAG::getNode(), llvm::SelectionDAG::getNodeIfExists(), llvm::SelectionDAG::getPseudoProbeNode(), llvm::SelectionDAG::getRegister(), llvm::SelectionDAG::getRegisterMask(), llvm::SelectionDAG::getScatterVP(), llvm::SelectionDAG::getSrcValue(), llvm::SelectionDAG::getStore(), llvm::SelectionDAG::getStoreVP(), llvm::SelectionDAG::getStridedLoadVP(), llvm::SelectionDAG::getStridedStoreVP(), llvm::SelectionDAG::getTargetIndex(), llvm::SelectionDAG::getTruncStore(), llvm::SelectionDAG::getTruncStoreVP(), llvm::SelectionDAG::getTruncStridedStoreVP(), llvm::SelectionDAG::getVectorShuffle(), llvm::SelectionDAG::MorphNodeTo(), and llvm::SDNode::Profile().
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AddNodeIDOpcode - Add the node opcode to the NodeID data.
Definition at line 593 of file SelectionDAG.cpp.
Referenced by AddNodeIDNode().
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AddNodeIDOperands - Various routines for adding operands to the NodeID data.
Definition at line 613 of file SelectionDAG.cpp.
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AddNodeIDOperands - Various routines for adding operands to the NodeID data.
Definition at line 604 of file SelectionDAG.cpp.
Referenced by AddNodeIDNode().
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AddNodeIDValueTypes - Value type lists are intern'd so we can represent them solely with their pointer.
Definition at line 599 of file SelectionDAG.cpp.
References llvm::SDVTList::VTs.
Referenced by AddNodeIDNode().
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Definition at line 6639 of file SelectionDAG.cpp.
References assert(), From, llvm::SelectionDAG::getNode(), llvm::SelectionDAG::getTruncStore(), i, llvm::MVT::Other, llvm::ARM_MB::ST, and llvm::ISD::TokenFactor.
Referenced by getMemcpyLoadsAndStores().
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Definition at line 7064 of file SelectionDAG.cpp.
References llvm::TargetLoweringBase::getTargetMachine(), llvm::TargetMachine::isNoopAddrSpaceCast(), and llvm::report_fatal_error().
Referenced by llvm::SelectionDAG::getMemcpy(), llvm::SelectionDAG::getMemmove(), and llvm::SelectionDAG::getMemset().
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Definition at line 11647 of file SelectionDAG.cpp.
References abort(), llvm::SmallPtrSetImpl< PtrType >::count(), llvm::dbgs(), llvm::SmallPtrSetImpl< PtrType >::erase(), llvm::errs(), llvm::SmallPtrSetImpl< PtrType >::insert(), and N.
Referenced by llvm::checkForCycles().
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Swaps the values of N1 and N2.
Swaps all indices in the shuffle mask M that point at N1 to point at N2 and indices that point at N2 to point at N1.
Definition at line 1873 of file SelectionDAG.cpp.
References llvm::ShuffleVectorSDNode::commuteMask(), M, and std::swap().
Referenced by llvm::SelectionDAG::getVectorShuffle().
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doNotCSE - Return true if CSE should not be performed for this node.
Definition at line 879 of file SelectionDAG.cpp.
References llvm::numbers::e, llvm::ISD::EH_LABEL, llvm::MVT::Glue, llvm::ISD::HANDLENODE, i, and N.
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Definition at line 4747 of file SelectionDAG.cpp.
References llvm::all_of(), assert(), llvm::ISD::EXTRACT_VECTOR_ELT, getOpcode(), llvm::SelectionDAG::getUNDEF(), llvm::EVT::getVectorNumElements(), i, llvm::EVT::isScalableVector(), and llvm::ArrayRef< T >::size().
Referenced by llvm::SelectionDAG::getNode().
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Try to simplify vector concatenation to an input value, undef, or build vector.
Definition at line 4783 of file SelectionDAG.cpp.
References llvm::all_of(), llvm::SmallVectorImpl< T >::append(), assert(), llvm::EVT::bitsGT(), llvm::EVT::bitsLT(), llvm::ISD::BUILD_VECTOR, DL, llvm::numbers::e, llvm::ArrayRef< T >::empty(), llvm::ISD::EXTRACT_SUBVECTOR, llvm::SelectionDAG::getBuildVector(), llvm::EVT::getScalarType(), llvm::SelectionDAG::getSExtOrTrunc(), llvm::SelectionDAG::getTargetLoweringInfo(), llvm::SelectionDAG::getUNDEF(), llvm::EVT::getVectorElementCount(), llvm::EVT::getVectorNumElements(), llvm::SelectionDAG::getZExtOrTrunc(), i, llvm::EVT::isScalableVector(), llvm::TargetLoweringBase::isZExtFree(), NewSDValueDbgMsg(), and llvm::ArrayRef< T >::size().
Referenced by llvm::SelectionDAG::getNode().
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Definition at line 4739 of file SelectionDAG.cpp.
References DL, llvm::SelectionDAG::getConstant(), and isZero().
Referenced by llvm::SelectionDAG::getNode().
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Definition at line 5353 of file SelectionDAG.cpp.
References llvm::ISD::ADD, llvm::ISD::AND, llvm::ISD::AVGCEILS, llvm::ISD::AVGCEILU, llvm::ISD::AVGFLOORS, llvm::ISD::AVGFLOORU, C1, llvm::APInt::extractBits(), llvm::ISD::MUL, llvm::ISD::MULHS, llvm::ISD::MULHU, llvm::None, llvm::ISD::OR, llvm::ISD::ROTL, llvm::ISD::ROTR, llvm::ISD::SADDSAT, llvm::ISD::SDIV, llvm::APInt::sext(), llvm::ISD::SHL, llvm::ISD::SMAX, llvm::ISD::SMIN, llvm::ISD::SRA, llvm::ISD::SREM, llvm::ISD::SRL, llvm::ISD::SSHLSAT, llvm::ISD::SSUBSAT, llvm::ISD::SUB, llvm::ISD::UADDSAT, llvm::ISD::UDIV, llvm::ISD::UMAX, llvm::ISD::UMIN, llvm::ISD::UREM, llvm::ISD::USHLSAT, llvm::ISD::USUBSAT, llvm::ISD::XOR, and llvm::APInt::zext().
Referenced by llvm::SelectionDAG::FoldConstantArithmetic().
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Definition at line 6664 of file SelectionDAG.cpp.
References llvm::ConstantDataArraySlice::Array, assert(), llvm::EVT::bitsGE(), chainLoadsAndStoresForMemcpy(), llvm::commonAlignment(), llvm::MemOp::Copy(), DL, EnableMemCpyDAGOpt, llvm::ISD::EXTLOAD, llvm::TargetLowering::findOptimalMemOpLowering(), llvm::TypeSize::Fixed(), llvm::MachinePointerInfo::getAddrSpace(), llvm::Function::getAttributes(), llvm::SelectionDAG::getContext(), llvm::SelectionDAG::getDataLayout(), llvm::SelectionDAG::getExtLoad(), llvm::MachineFunction::getFrameInfo(), llvm::MachineFunction::getFunction(), llvm::FrameIndexSDNode::getIndex(), llvm::SelectionDAG::getMachineFunction(), llvm::TargetLoweringBase::getMaxGluedStoresPerMemcpy(), llvm::TargetLoweringBase::getMaxStoresPerMemcpy(), llvm::SelectionDAG::getMemBasePlusOffset(), getMemsetStringVal(), llvm::SelectionDAG::getNode(), llvm::MachineFrameInfo::getObjectAlign(), llvm::TargetSubtargetInfo::getRegisterInfo(), llvm::EVT::getSizeInBits(), llvm::SelectionDAG::getStore(), llvm::MachineFunction::getSubtarget(), llvm::SelectionDAG::getTargetLoweringInfo(), llvm::SelectionDAG::getTruncStore(), llvm::TargetLoweringBase::getTypeToTransformTo(), llvm::MachinePointerInfo::getWithOffset(), llvm::TargetRegisterInfo::hasStackRealignment(), i, llvm::SelectionDAG::InferPtrAlign(), llvm::MachinePointerInfo::isDereferenceable(), llvm::MachineFrameInfo::isFixedObjectIndex(), llvm::EVT::isInteger(), isMemSrcFromConstant(), llvm::EVT::isVector(), llvm::ConstantDataArraySlice::Length, MaxLdStGlue, llvm::MachineMemOperand::MODereferenceable, llvm::MachineMemOperand::MONone, llvm::ConstantDataArraySlice::move(), llvm::MachineMemOperand::MOVolatile, llvm::ConstantDataArraySlice::Offset, llvm::MVT::Other, llvm::MemOp::Set(), llvm::MachineFrameInfo::setObjectAlignment(), shouldLowerMemFuncForSize(), llvm::SPII::Store, llvm::AAMDNodes::TBAA, llvm::AAMDNodes::TBAAStruct, llvm::ISD::TokenFactor, and TRI.
Referenced by llvm::SelectionDAG::getMemcpy().
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Definition at line 6859 of file SelectionDAG.cpp.
References assert(), llvm::SmallVectorImpl< T >::clear(), llvm::MemOp::Copy(), DL, llvm::TargetLowering::findOptimalMemOpLowering(), llvm::TypeSize::Fixed(), llvm::MachinePointerInfo::getAddrSpace(), llvm::Function::getAttributes(), llvm::SelectionDAG::getContext(), llvm::SelectionDAG::getDataLayout(), llvm::MachineFunction::getFrameInfo(), llvm::MachineFunction::getFunction(), llvm::FrameIndexSDNode::getIndex(), llvm::SelectionDAG::getLoad(), llvm::SelectionDAG::getMachineFunction(), llvm::TargetLoweringBase::getMaxStoresPerMemmove(), llvm::SelectionDAG::getMemBasePlusOffset(), llvm::SelectionDAG::getNode(), llvm::MachineFrameInfo::getObjectAlign(), llvm::EVT::getSizeInBits(), llvm::SelectionDAG::getStore(), llvm::SelectionDAG::getTargetLoweringInfo(), llvm::MachinePointerInfo::getWithOffset(), i, llvm::SelectionDAG::InferPtrAlign(), llvm::MachinePointerInfo::isDereferenceable(), llvm::MachineFrameInfo::isFixedObjectIndex(), llvm::MachineMemOperand::MODereferenceable, llvm::MachineMemOperand::MONone, llvm::MachineMemOperand::MOVolatile, llvm::MVT::Other, llvm::MachineFrameInfo::setObjectAlignment(), shouldLowerMemFuncForSize(), llvm::SPII::Store, llvm::AAMDNodes::TBAA, llvm::AAMDNodes::TBAAStruct, and llvm::ISD::TokenFactor.
Referenced by llvm::SelectionDAG::getMemmove().
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Lower the call to 'memset' intrinsic function into a series of store operations.
DAG | Selection DAG where lowered code is placed. |
dl | Link to corresponding IR location. |
Chain | Control flow dependency. |
Dst | Pointer to destination memory location. |
Src | Value of byte to write into the memory. |
Size | Number of bytes to write. |
Alignment | Alignment of the destination in bytes. |
isVol | True if destination is volatile. |
DstPtrInfo | IR information on the memory pointer. |
The function tries to replace 'llvm.memset' intrinsic with several store operations and value calculation code. This is usually profitable for small memory size.
Definition at line 6974 of file SelectionDAG.cpp.
References assert(), llvm::EVT::bitsLT(), llvm::TargetLowering::findOptimalMemOpLowering(), llvm::TypeSize::Fixed(), llvm::DataLayout::getABITypeAlign(), llvm::MachinePointerInfo::getAddrSpace(), llvm::Function::getAttributes(), llvm::SelectionDAG::getContext(), llvm::SelectionDAG::getDataLayout(), llvm::MachineFunction::getFrameInfo(), llvm::MachineFunction::getFunction(), llvm::FrameIndexSDNode::getIndex(), llvm::SelectionDAG::getMachineFunction(), llvm::TargetLoweringBase::getMaxStoresPerMemset(), llvm::SelectionDAG::getMemBasePlusOffset(), getMemsetValue(), llvm::SelectionDAG::getNode(), llvm::MachineFrameInfo::getObjectAlign(), llvm::EVT::getSizeInBits(), llvm::SelectionDAG::getStore(), llvm::SelectionDAG::getTargetLoweringInfo(), llvm::MachinePointerInfo::getWithOffset(), i, llvm::MachineFrameInfo::isFixedObjectIndex(), llvm::TargetLoweringBase::isTruncateFree(), llvm::EVT::isVector(), llvm::MachineMemOperand::MONone, llvm::MachineMemOperand::MOVolatile, llvm::MVT::Other, llvm::MemOp::Set(), llvm::MachineFrameInfo::setObjectAlignment(), shouldLowerMemFuncForSize(), llvm::SPII::Store, llvm::AAMDNodes::TBAA, llvm::AAMDNodes::TBAAStruct, llvm::ISD::TokenFactor, and llvm::ISD::TRUNCATE.
Referenced by llvm::SelectionDAG::getMemset().
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getMemsetStringVal - Similar to getMemsetValue.
Except this is only used when a memcpy is turned into a memset when the source is a constant string ptr.
Definition at line 6545 of file SelectionDAG.cpp.
References llvm::ConstantDataArraySlice::Array, assert(), llvm::ISD::BITCAST, llvm::MVT::f128, llvm::MVT::f32, llvm::MVT::f64, llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getConstantFP(), llvm::SelectionDAG::getContext(), llvm::SelectionDAG::getDataLayout(), llvm::SelectionDAG::getNode(), llvm::EVT::getSizeInBits(), llvm::EVT::getTypeForEVT(), llvm::EVT::getVectorElementType(), llvm::EVT::getVectorNumElements(), llvm::EVT::getVectorVT(), i, llvm::MVT::i32, llvm::MVT::i64, llvm::EVT::isInteger(), llvm::DataLayout::isLittleEndian(), llvm::EVT::isVector(), llvm::ConstantDataArraySlice::Length, llvm_unreachable, llvm::min(), and llvm::TargetLoweringBase::shouldConvertConstantLoadToIntImm().
Referenced by getMemcpyLoadsAndStores().
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getMemsetValue - Vectorized representation of the memset value operand.
Definition at line 6503 of file SelectionDAG.cpp.
References llvm::lltok::APFloat, assert(), llvm::SelectionDAG::EVTToAPFloatSemantics(), llvm::SelectionDAG::getBitcast(), llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getConstantFP(), llvm::SelectionDAG::getContext(), llvm::EVT::getIntegerVT(), llvm::SelectionDAG::getNode(), llvm::EVT::getScalarSizeInBits(), llvm::EVT::getScalarType(), llvm::EVT::getSizeInBits(), llvm::APInt::getSplat(), llvm::SelectionDAG::getSplatBuildVector(), llvm::SelectionDAG::getTargetLoweringInfo(), llvm::MVT::i8, llvm::EVT::isInteger(), llvm::TargetLoweringBase::isLegalStoreImmediate(), llvm::msf::Magic, llvm::ISD::MUL, and llvm::ISD::ZERO_EXTEND.
Referenced by getMemsetStores().
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Definition at line 501 of file SelectionDAG.cpp.
References Operation, and llvm::ISD::SETTRUE2.
Referenced by llvm::ISD::getSetCCInverse(), and llvm::ISD::GlobalISel::getSetCCInverse().
Definition at line 4707 of file SelectionDAG.cpp.
References llvm::ISD::AND, B, llvm::getBitwiseNotOperand(), llvm::BitmaskEnumDetail::Mask(), and Other.
Referenced by llvm::SelectionDAG::haveNoCommonBitsSet().
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InferPointerInfo - If the specified ptr/offset is a frame index, infer a MachinePointerInfo record from it.
This is particularly useful because the code generator has many cases where it doesn't bother passing in a MachinePointerInfo to getLoad or getStore when it has "FI+Cst".
Definition at line 7593 of file SelectionDAG.cpp.
References llvm::ISD::ADD, llvm::MachinePointerInfo::getFixedStack(), llvm::SelectionDAG::getMachineFunction(), llvm::SDValue::getOpcode(), llvm::SDValue::getOperand(), and Info.
Referenced by llvm::SelectionDAG::getLoad(), llvm::SelectionDAG::getLoadVP(), llvm::SelectionDAG::getStore(), llvm::SelectionDAG::getStridedLoadVP(), llvm::SelectionDAG::getTruncStore(), llvm::SelectionDAG::getTruncStoreVP(), llvm::SelectionDAG::getTruncStridedStoreVP(), and InferPointerInfo().
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InferPointerInfo - If the specified ptr/offset is a frame index, infer a MachinePointerInfo record from it.
This is particularly useful because the code generator has many cases where it doesn't bother passing in a MachinePointerInfo to getLoad or getStore when it has "FI+Cst".
Definition at line 7617 of file SelectionDAG.cpp.
References InferPointerInfo(), Info, and llvm::SDValue::isUndef().
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Returns true if memcpy source is constant data.
Definition at line 6612 of file SelectionDAG.cpp.
References llvm::ISD::ADD, llvm::ISD::Constant, G, llvm::getConstantDataArrayInfo(), and llvm::ISD::GlobalAddress.
Referenced by getMemcpyLoadsAndStores().
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For an integer comparison, return 1 if the comparison is a signed operation and 2 if the result is an unsigned comparison.
Return zero if the operation does not depend on the sign of the input (setne and seteq).
Definition at line 526 of file SelectionDAG.cpp.
References llvm_unreachable, llvm::ISD::SETEQ, llvm::ISD::SETGE, llvm::ISD::SETGT, llvm::ISD::SETLE, llvm::ISD::SETLT, llvm::ISD::SETNE, llvm::ISD::SETUGE, llvm::ISD::SETUGT, llvm::ISD::SETULE, and llvm::ISD::SETULT.
Referenced by llvm::ISD::getSetCCAndOperation(), and llvm::ISD::getSetCCOrOperation().
makeVTList - Return an instance of the SDVTList struct initialized with the specified members.
Definition at line 84 of file SelectionDAG.cpp.
Referenced by llvm::SelectionDAG::getVTList().
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Definition at line 106 of file SelectionDAG.cpp.
References llvm::dbgs(), llvm::SelectionDAG::dump(), G, llvm::SDValue::getNode(), LLVM_DEBUG, and llvm::AMDGPU::SendMsg::Msg.
Referenced by foldCONCAT_VECTORS(), llvm::SelectionDAG::FoldConstantArithmetic(), llvm::SelectionDAG::getAssertAlign(), llvm::SelectionDAG::getConstant(), llvm::SelectionDAG::getConstantFP(), llvm::SelectionDAG::getConstantPool(), llvm::SelectionDAG::getGatherVP(), llvm::SelectionDAG::getIndexedStore(), llvm::SelectionDAG::getIndexedStoreVP(), llvm::SelectionDAG::getIndexedStridedStoreVP(), llvm::SelectionDAG::getLifetimeNode(), llvm::SelectionDAG::getLoad(), llvm::SelectionDAG::getLoadVP(), llvm::SelectionDAG::getMachineNode(), llvm::SelectionDAG::getMaskedGather(), llvm::SelectionDAG::getMaskedLoad(), llvm::SelectionDAG::getMaskedScatter(), llvm::SelectionDAG::getMaskedStore(), llvm::SelectionDAG::getMemIntrinsicNode(), llvm::SelectionDAG::getNode(), llvm::SelectionDAG::getPseudoProbeNode(), llvm::SelectionDAG::getScatterVP(), llvm::SelectionDAG::getStore(), llvm::SelectionDAG::getStoreVP(), llvm::SelectionDAG::getStridedLoadVP(), llvm::SelectionDAG::getStridedStoreVP(), llvm::SelectionDAG::getTruncStore(), llvm::SelectionDAG::getTruncStoreVP(), llvm::SelectionDAG::getTruncStridedStoreVP(), and llvm::SelectionDAG::getVectorShuffle().
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Definition at line 6630 of file SelectionDAG.cpp.
References llvm::MachineFunction::getFunction(), llvm::MachineFunction::getTarget(), llvm::TargetMachine::getTargetTriple(), llvm::Function::hasMinSize(), llvm::Triple::isOSDarwin(), and llvm::SelectionDAG::shouldOptForSize().
Referenced by getMemcpyLoadsAndStores(), getMemmoveLoadsAndStores(), and getMemsetStores().
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VerifySDNode - Check the given SDNode. Aborts if it is invalid.
Definition at line 1025 of file SelectionDAG.cpp.
References assert(), llvm::EVT::bitsLE(), llvm::ISD::BUILD_PAIR, llvm::ISD::BUILD_VECTOR, llvm::EVT::getSizeInBits(), llvm::EVT::isFloatingPoint(), llvm::EVT::isInteger(), llvm::EVT::isVector(), and N.
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Referenced by getMemcpyLoadsAndStores().
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Definition at line 10659 of file SelectionDAG.cpp.
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Referenced by getMemcpyLoadsAndStores().
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Definition at line 10660 of file SelectionDAG.cpp.
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Definition at line 10661 of file SelectionDAG.cpp.