diff options
Diffstat (limited to 'lib/CodeGen')
-rw-r--r-- | lib/CodeGen/PseudoSourceValue.cpp | 37 | ||||
-rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 29 | ||||
-rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 4 |
3 files changed, 44 insertions, 26 deletions
diff --git a/lib/CodeGen/PseudoSourceValue.cpp b/lib/CodeGen/PseudoSourceValue.cpp index c62e49a4b0..ea704e6e9c 100644 --- a/lib/CodeGen/PseudoSourceValue.cpp +++ b/lib/CodeGen/PseudoSourceValue.cpp @@ -13,28 +13,27 @@ #include "llvm/CodeGen/PseudoSourceValue.h" #include "llvm/DerivedTypes.h" +#include "llvm/Support/Compiler.h" #include "llvm/Support/ManagedStatic.h" +#include <map> namespace llvm { - static ManagedStatic<PseudoSourceValue[5]> PSVs; + static ManagedStatic<PseudoSourceValue[4]> PSVs; - const PseudoSourceValue *PseudoSourceValue::getFixedStack() - { return &(*PSVs)[0]; } const PseudoSourceValue *PseudoSourceValue::getStack() - { return &(*PSVs)[1]; } + { return &(*PSVs)[0]; } const PseudoSourceValue *PseudoSourceValue::getGOT() + { return &(*PSVs)[1]; } + const PseudoSourceValue *PseudoSourceValue::getJumpTable() { return &(*PSVs)[2]; } const PseudoSourceValue *PseudoSourceValue::getConstantPool() { return &(*PSVs)[3]; } - const PseudoSourceValue *PseudoSourceValue::getJumpTable() - { return &(*PSVs)[4]; } static const char *const PSVNames[] = { - "FixedStack", "Stack", "GOT", - "ConstantPool", "JumpTable" + "ConstantPool" }; PseudoSourceValue::PseudoSourceValue() : @@ -43,4 +42,26 @@ namespace llvm { void PseudoSourceValue::print(std::ostream &OS) const { OS << PSVNames[this - *PSVs]; } + + /// FixedStackPseudoSourceValue - A specialized PseudoSourceValue + /// for holding FixedStack values, which must include a frame + /// index. + class VISIBILITY_HIDDEN FixedStackPseudoSourceValue + : public PseudoSourceValue { + const int FI; + public: + explicit FixedStackPseudoSourceValue(int fi) : FI(fi) {} + virtual void print(std::ostream &OS) const { + OS << "FixedStack" << FI; + } + }; + + static ManagedStatic<std::map<int, const PseudoSourceValue *> > FSValues; + + const PseudoSourceValue *PseudoSourceValue::getFixedStack(int FI) { + const PseudoSourceValue *&V = (*FSValues)[FI]; + if (!V) + V = new FixedStackPseudoSourceValue(FI); + return V; + } } diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 4b4c02bd8d..632653b624 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -780,13 +780,11 @@ PerformInsertVectorEltInMemory(SDOperand Vec, SDOperand Val, SDOperand Idx) { MVT PtrVT = TLI.getPointerTy(); SDOperand StackPtr = DAG.CreateStackTemporary(VT); - FrameIndexSDNode *StackPtrFI = cast<FrameIndexSDNode>(StackPtr.Val); - int SPFI = StackPtrFI->getIndex(); + int SPFI = cast<FrameIndexSDNode>(StackPtr.Val)->getIndex(); // Store the vector. SDOperand Ch = DAG.getStore(DAG.getEntryNode(), Tmp1, StackPtr, - PseudoSourceValue::getFixedStack(), - SPFI); + PseudoSourceValue::getFixedStack(SPFI), 0); // Truncate or zero extend offset to target pointer type. unsigned CastOpc = IdxVT.bitsGT(PtrVT) ? ISD::TRUNCATE : ISD::ZERO_EXTEND; @@ -797,9 +795,10 @@ PerformInsertVectorEltInMemory(SDOperand Vec, SDOperand Val, SDOperand Idx) { SDOperand StackPtr2 = DAG.getNode(ISD::ADD, IdxVT, Tmp3, StackPtr); // Store the scalar value. Ch = DAG.getTruncStore(Ch, Tmp2, StackPtr2, - PseudoSourceValue::getFixedStack(), SPFI, EltVT); + PseudoSourceValue::getFixedStack(SPFI), 0, EltVT); // Load the updated vector. - return DAG.getLoad(VT, Ch, StackPtr, PseudoSourceValue::getFixedStack(),SPFI); + return DAG.getLoad(VT, Ch, StackPtr, + PseudoSourceValue::getFixedStack(SPFI), 0); } /// LegalizeOp - We know that the specified value has a legal type, and @@ -4906,12 +4905,12 @@ SDOperand SelectionDAGLegalize::EmitStackConvert(SDOperand SrcOp, if (SrcSize > SlotSize) Store = DAG.getTruncStore(DAG.getEntryNode(), SrcOp, FIPtr, - PseudoSourceValue::getFixedStack(), SPFI, SlotVT, - false, SrcAlign); + PseudoSourceValue::getFixedStack(SPFI), 0, + SlotVT, false, SrcAlign); else { assert(SrcSize == SlotSize && "Invalid store"); Store = DAG.getStore(DAG.getEntryNode(), SrcOp, FIPtr, - PseudoSourceValue::getFixedStack(), SPFI, + PseudoSourceValue::getFixedStack(SPFI), 0, false, SrcAlign); } @@ -4933,9 +4932,9 @@ SDOperand SelectionDAGLegalize::ExpandSCALAR_TO_VECTOR(SDNode *Node) { int SPFI = StackPtrFI->getIndex(); SDOperand Ch = DAG.getStore(DAG.getEntryNode(), Node->getOperand(0), StackPtr, - PseudoSourceValue::getFixedStack(), SPFI); + PseudoSourceValue::getFixedStack(SPFI), 0); return DAG.getLoad(Node->getValueType(0), Ch, StackPtr, - PseudoSourceValue::getFixedStack(), SPFI); + PseudoSourceValue::getFixedStack(SPFI), 0); } @@ -7017,15 +7016,13 @@ void SelectionDAGLegalize::SplitVectorOp(SDOperand Op, SDOperand &Lo, // Lower to a store/load so that it can be split. // FIXME: this could be improved probably. SDOperand Ptr = DAG.CreateStackTemporary(InOp.getValueType()); - FrameIndexSDNode *FI = cast<FrameIndexSDNode>(Ptr.Val); + int FI = cast<FrameIndexSDNode>(Ptr.Val)->getIndex(); SDOperand St = DAG.getStore(DAG.getEntryNode(), InOp, Ptr, - PseudoSourceValue::getFixedStack(), - FI->getIndex()); + PseudoSourceValue::getFixedStack(FI), 0); InOp = DAG.getLoad(Op.getValueType(), St, Ptr, - PseudoSourceValue::getFixedStack(), - FI->getIndex()); + PseudoSourceValue::getFixedStack(FI), 0); } // Split the vector and convert each of the pieces now. SplitVectorOp(InOp, Lo, Hi); diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index db31538086..cc1acf47db 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -4361,8 +4361,8 @@ MachineMemOperand MemSDNode::getMemOperand() const { const FrameIndexSDNode *FI = dyn_cast<const FrameIndexSDNode>(getBasePtr().Val); if (!getSrcValue() && FI) - return MachineMemOperand(PseudoSourceValue::getFixedStack(), Flags, - FI->getIndex(), Size, getAlignment()); + return MachineMemOperand(PseudoSourceValue::getFixedStack(FI->getIndex()), + Flags, 0, Size, getAlignment()); else return MachineMemOperand(getSrcValue(), Flags, getSrcValueOffset(), Size, getAlignment()); |