diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAG.cpp')
-rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index b3f94a4945..38dd7ccb07 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -475,7 +475,7 @@ static void AddNodeIDNode(FoldingSetNodeID &ID, const SDNode *N) { /// static inline unsigned encodeMemSDNodeFlags(int ConvType, ISD::MemIndexedMode AM, bool isVolatile, - bool isNonTemporal) { + bool isNonTemporal, bool isInvariant) { assert((ConvType & 3) == ConvType && "ConvType may not require more than 2 bits!"); assert((AM & 7) == AM && @@ -483,7 +483,8 @@ encodeMemSDNodeFlags(int ConvType, ISD::MemIndexedMode AM, bool isVolatile, return ConvType | (AM << 2) | (isVolatile << 5) | - (isNonTemporal << 6); + (isNonTemporal << 6) | + (isInvariant << 7); } //===----------------------------------------------------------------------===// @@ -3568,7 +3569,7 @@ static SDValue getMemmoveLoadsAndStores(SelectionDAG &DAG, DebugLoc dl, Value = DAG.getLoad(VT, dl, Chain, getMemBasePlusOffset(Src, SrcOff, DAG), SrcPtrInfo.getWithOffset(SrcOff), isVol, - false, SrcAlign); + false, false, SrcAlign); LoadValues.push_back(Value); LoadChains.push_back(Value.getValue(1)); SrcOff += VTSize; @@ -4144,7 +4145,7 @@ SelectionDAG::getLoad(ISD::MemIndexedMode AM, ISD::LoadExtType ExtType, EVT VT, DebugLoc dl, SDValue Chain, SDValue Ptr, SDValue Offset, MachinePointerInfo PtrInfo, EVT MemVT, - bool isVolatile, bool isNonTemporal, + bool isVolatile, bool isNonTemporal, bool isInvariant, unsigned Alignment, const MDNode *TBAAInfo) { assert(Chain.getValueType() == MVT::Other && "Invalid chain type"); @@ -4156,6 +4157,8 @@ SelectionDAG::getLoad(ISD::MemIndexedMode AM, ISD::LoadExtType ExtType, Flags |= MachineMemOperand::MOVolatile; if (isNonTemporal) Flags |= MachineMemOperand::MONonTemporal; + if (isInvariant) + Flags |= MachineMemOperand::MOInvariant; // If we don't have a PtrInfo, infer the trivial frame index case to simplify // clients. @@ -4202,7 +4205,8 @@ SelectionDAG::getLoad(ISD::MemIndexedMode AM, ISD::LoadExtType ExtType, AddNodeIDNode(ID, ISD::LOAD, VTs, Ops, 3); ID.AddInteger(MemVT.getRawBits()); ID.AddInteger(encodeMemSDNodeFlags(ExtType, AM, MMO->isVolatile(), - MMO->isNonTemporal())); + MMO->isNonTemporal(), + MMO->isInvariant())); void *IP = 0; if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP)) { cast<LoadSDNode>(E)->refineAlignment(MMO); @@ -4219,10 +4223,12 @@ SDValue SelectionDAG::getLoad(EVT VT, DebugLoc dl, SDValue Chain, SDValue Ptr, MachinePointerInfo PtrInfo, bool isVolatile, bool isNonTemporal, - unsigned Alignment, const MDNode *TBAAInfo) { + bool isInvariant, unsigned Alignment, + const MDNode *TBAAInfo) { SDValue Undef = getUNDEF(Ptr.getValueType()); return getLoad(ISD::UNINDEXED, ISD::NON_EXTLOAD, VT, dl, Chain, Ptr, Undef, - PtrInfo, VT, isVolatile, isNonTemporal, Alignment, TBAAInfo); + PtrInfo, VT, isVolatile, isNonTemporal, isInvariant, Alignment, + TBAAInfo); } SDValue SelectionDAG::getExtLoad(ISD::LoadExtType ExtType, DebugLoc dl, EVT VT, @@ -4232,7 +4238,7 @@ SDValue SelectionDAG::getExtLoad(ISD::LoadExtType ExtType, DebugLoc dl, EVT VT, unsigned Alignment, const MDNode *TBAAInfo) { SDValue Undef = getUNDEF(Ptr.getValueType()); return getLoad(ISD::UNINDEXED, ExtType, VT, dl, Chain, Ptr, Undef, - PtrInfo, MemVT, isVolatile, isNonTemporal, Alignment, + PtrInfo, MemVT, isVolatile, isNonTemporal, false, Alignment, TBAAInfo); } @@ -4245,8 +4251,8 @@ SelectionDAG::getIndexedLoad(SDValue OrigLoad, DebugLoc dl, SDValue Base, "Load is already a indexed load!"); return getLoad(AM, LD->getExtensionType(), OrigLoad.getValueType(), dl, LD->getChain(), Base, Offset, LD->getPointerInfo(), - LD->getMemoryVT(), - LD->isVolatile(), LD->isNonTemporal(), LD->getAlignment()); + LD->getMemoryVT(), LD->isVolatile(), LD->isNonTemporal(), + false, LD->getAlignment()); } SDValue SelectionDAG::getStore(SDValue Chain, DebugLoc dl, SDValue Val, @@ -4288,7 +4294,7 @@ SDValue SelectionDAG::getStore(SDValue Chain, DebugLoc dl, SDValue Val, AddNodeIDNode(ID, ISD::STORE, VTs, Ops, 4); ID.AddInteger(VT.getRawBits()); ID.AddInteger(encodeMemSDNodeFlags(false, ISD::UNINDEXED, MMO->isVolatile(), - MMO->isNonTemporal())); + MMO->isNonTemporal(), MMO->isInvariant())); void *IP = 0; if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP)) { cast<StoreSDNode>(E)->refineAlignment(MMO); @@ -4355,7 +4361,7 @@ SDValue SelectionDAG::getTruncStore(SDValue Chain, DebugLoc dl, SDValue Val, AddNodeIDNode(ID, ISD::STORE, VTs, Ops, 4); ID.AddInteger(SVT.getRawBits()); ID.AddInteger(encodeMemSDNodeFlags(true, ISD::UNINDEXED, MMO->isVolatile(), - MMO->isNonTemporal())); + MMO->isNonTemporal(), MMO->isInvariant())); void *IP = 0; if (SDNode *E = CSEMap.FindNodeOrInsertPos(ID, IP)) { cast<StoreSDNode>(E)->refineAlignment(MMO); @@ -5679,7 +5685,7 @@ MemSDNode::MemSDNode(unsigned Opc, DebugLoc dl, SDVTList VTs, EVT memvt, MachineMemOperand *mmo) : SDNode(Opc, dl, VTs), MemoryVT(memvt), MMO(mmo) { SubclassData = encodeMemSDNodeFlags(0, ISD::UNINDEXED, MMO->isVolatile(), - MMO->isNonTemporal()); + MMO->isNonTemporal(), MMO->isInvariant()); assert(isVolatile() == MMO->isVolatile() && "Volatile encoding error!"); assert(isNonTemporal() == MMO->isNonTemporal() && "Non-temporal encoding error!"); @@ -5692,7 +5698,7 @@ MemSDNode::MemSDNode(unsigned Opc, DebugLoc dl, SDVTList VTs, : SDNode(Opc, dl, VTs, Ops, NumOps), MemoryVT(memvt), MMO(mmo) { SubclassData = encodeMemSDNodeFlags(0, ISD::UNINDEXED, MMO->isVolatile(), - MMO->isNonTemporal()); + MMO->isNonTemporal(), MMO->isInvariant()); assert(isVolatile() == MMO->isVolatile() && "Volatile encoding error!"); assert(memvt.getStoreSize() == MMO->getSize() && "Size mismatch!"); } |