diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/LegalizeDAG.cpp')
-rw-r--r-- | lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 94 |
1 files changed, 60 insertions, 34 deletions
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index ee2e49cf1f..a8e9c22173 100644 --- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -16,6 +16,7 @@ #include "llvm/CodeGen/MachineFrameInfo.h" #include "llvm/CodeGen/MachineJumpTableInfo.h" #include "llvm/CodeGen/MachineModuleInfo.h" +#include "llvm/CodeGen/PseudoSourceValue.h" #include "llvm/Target/TargetFrameInfo.h" #include "llvm/Target/TargetLowering.h" #include "llvm/Target/TargetData.h" @@ -509,9 +510,10 @@ static SDOperand ExpandConstantFP(ConstantFPSDNode *CFP, bool UseCP, SDOperand CPIdx = DAG.getConstantPool(LLVMC, TLI.getPointerTy()); if (Extend) { return DAG.getExtLoad(ISD::EXTLOAD, MVT::f64, DAG.getEntryNode(), - CPIdx, NULL, 0, MVT::f32); + CPIdx, &PseudoSourceValue::CPRel, 0, MVT::f32); } else { - return DAG.getLoad(VT, DAG.getEntryNode(), CPIdx, NULL, 0); + return DAG.getLoad(VT, DAG.getEntryNode(), CPIdx, + &PseudoSourceValue::CPRel, 0); } } @@ -796,6 +798,7 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { case ISD::TargetExternalSymbol: case ISD::VALUETYPE: case ISD::SRCVALUE: + case ISD::MEMOPERAND: case ISD::STRING: case ISD::CONDCODE: // Primitives must all be legal. @@ -1301,8 +1304,14 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { MVT::ValueType IdxVT = Tmp3.getValueType(); MVT::ValueType PtrVT = TLI.getPointerTy(); SDOperand StackPtr = DAG.CreateStackTemporary(VT); + + FrameIndexSDNode *StackPtrFI = dyn_cast<FrameIndexSDNode>(StackPtr.Val); + assert(StackPtrFI); + int SPFI = StackPtrFI->getIndex(); + // Store the vector. - SDOperand Ch = DAG.getStore(DAG.getEntryNode(), Tmp1, StackPtr, NULL, 0); + SDOperand Ch = DAG.getStore(DAG.getEntryNode(), Tmp1, StackPtr, + &PseudoSourceValue::FPRel, SPFI); // Truncate or zero extend offset to target pointer type. unsigned CastOpc = (IdxVT > PtrVT) ? ISD::TRUNCATE : ISD::ZERO_EXTEND; @@ -1312,9 +1321,9 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { Tmp3 = DAG.getNode(ISD::MUL, IdxVT, Tmp3,DAG.getConstant(EltSize, IdxVT)); SDOperand StackPtr2 = DAG.getNode(ISD::ADD, IdxVT, Tmp3, StackPtr); // Store the scalar value. - Ch = DAG.getStore(Ch, Tmp2, StackPtr2, NULL, 0); + Ch = DAG.getStore(Ch, Tmp2, StackPtr2, &PseudoSourceValue::FPRel, SPFI); // Load the updated vector. - Result = DAG.getLoad(VT, Ch, StackPtr, NULL, 0); + Result = DAG.getLoad(VT, Ch, StackPtr, &PseudoSourceValue::FPRel, SPFI); break; } } @@ -1663,8 +1672,10 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { SDOperand LD; switch (EntrySize) { default: assert(0 && "Size of jump table not supported yet."); break; - case 4: LD = DAG.getLoad(MVT::i32, Chain, Addr, NULL, 0); break; - case 8: LD = DAG.getLoad(MVT::i64, Chain, Addr, NULL, 0); break; + case 4: LD = DAG.getLoad(MVT::i32, Chain, Addr, + &PseudoSourceValue::JTRel, 0); break; + case 8: LD = DAG.getLoad(MVT::i64, Chain, Addr, + &PseudoSourceValue::JTRel, 0); break; } Addr = LD; @@ -3225,16 +3236,14 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { } break; case TargetLowering::Expand: { - SrcValueSDNode *SV = cast<SrcValueSDNode>(Node->getOperand(2)); - SDOperand VAList = DAG.getLoad(TLI.getPointerTy(), Tmp1, Tmp2, - SV->getValue(), SV->getOffset()); + const Value *V = cast<SrcValueSDNode>(Node->getOperand(2))->getValue(); + SDOperand VAList = DAG.getLoad(TLI.getPointerTy(), Tmp1, Tmp2, V, 0); // Increment the pointer, VAList, to the next vaarg Tmp3 = DAG.getNode(ISD::ADD, TLI.getPointerTy(), VAList, DAG.getConstant(MVT::getSizeInBits(VT)/8, TLI.getPointerTy())); // Store the incremented VAList to the legalized pointer - Tmp3 = DAG.getStore(VAList.getValue(1), Tmp3, Tmp2, SV->getValue(), - SV->getOffset()); + Tmp3 = DAG.getStore(VAList.getValue(1), Tmp3, Tmp2, V, 0); // Load the actual argument out of the pointer VAList Result = DAG.getLoad(VT, Tmp3, VAList, NULL, 0); Tmp1 = LegalizeOp(Result.getValue(1)); @@ -3270,12 +3279,10 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) { case TargetLowering::Expand: // This defaults to loading a pointer from the input and storing it to the // output, returning the chain. - SrcValueSDNode *SVD = cast<SrcValueSDNode>(Node->getOperand(3)); - SrcValueSDNode *SVS = cast<SrcValueSDNode>(Node->getOperand(4)); - Tmp4 = DAG.getLoad(TLI.getPointerTy(), Tmp1, Tmp3, SVD->getValue(), - SVD->getOffset()); - Result = DAG.getStore(Tmp4.getValue(1), Tmp4, Tmp2, SVS->getValue(), - SVS->getOffset()); + const Value *VD = cast<SrcValueSDNode>(Node->getOperand(3))->getValue(); + const Value *VS = cast<SrcValueSDNode>(Node->getOperand(4))->getValue(); + Tmp4 = DAG.getLoad(TLI.getPointerTy(), Tmp1, Tmp3, VD, 0); + Result = DAG.getStore(Tmp4.getValue(1), Tmp4, Tmp2, VS, 0); break; } break; @@ -4270,16 +4277,14 @@ SDOperand SelectionDAGLegalize::PromoteOp(SDOperand Op) { Tmp3 = DAG.getVAArg(VT, Tmp1, Tmp2, Node->getOperand(2)); Result = TLI.CustomPromoteOperation(Tmp3, DAG); } else { - SrcValueSDNode *SV = cast<SrcValueSDNode>(Node->getOperand(2)); - SDOperand VAList = DAG.getLoad(TLI.getPointerTy(), Tmp1, Tmp2, - SV->getValue(), SV->getOffset()); + const Value *V = cast<SrcValueSDNode>(Node->getOperand(2))->getValue(); + SDOperand VAList = DAG.getLoad(TLI.getPointerTy(), Tmp1, Tmp2, V, 0); // Increment the pointer, VAList, to the next vaarg Tmp3 = DAG.getNode(ISD::ADD, TLI.getPointerTy(), VAList, DAG.getConstant(MVT::getSizeInBits(VT)/8, TLI.getPointerTy())); // Store the incremented VAList to the legalized pointer - Tmp3 = DAG.getStore(VAList.getValue(1), Tmp3, Tmp2, SV->getValue(), - SV->getOffset()); + Tmp3 = DAG.getStore(VAList.getValue(1), Tmp3, Tmp2, V, 0); // Load the actual argument out of the pointer VAList Result = DAG.getExtLoad(ISD::EXTLOAD, NVT, Tmp3, VAList, NULL, 0, VT); } @@ -4735,6 +4740,10 @@ SDOperand SelectionDAGLegalize::EmitStackConvert(SDOperand SrcOp, // Create the stack frame object. SDOperand FIPtr = DAG.CreateStackTemporary(SlotVT); + FrameIndexSDNode *StackPtrFI = dyn_cast<FrameIndexSDNode>(FIPtr); + assert(StackPtrFI); + int SPFI = StackPtrFI->getIndex(); + unsigned SrcSize = MVT::getSizeInBits(SrcOp.getValueType()); unsigned SlotSize = MVT::getSizeInBits(SlotVT); unsigned DestSize = MVT::getSizeInBits(DestVT); @@ -4743,10 +4752,12 @@ SDOperand SelectionDAGLegalize::EmitStackConvert(SDOperand SrcOp, // later than DestVT. SDOperand Store; if (SrcSize > SlotSize) - Store = DAG.getTruncStore(DAG.getEntryNode(), SrcOp, FIPtr, NULL, 0,SlotVT); + Store = DAG.getTruncStore(DAG.getEntryNode(), SrcOp, FIPtr, + &PseudoSourceValue::FPRel, SPFI, SlotVT); else { assert(SrcSize == SlotSize && "Invalid store"); - Store = DAG.getStore(DAG.getEntryNode(), SrcOp, FIPtr, NULL, 0); + Store = DAG.getStore(DAG.getEntryNode(), SrcOp, FIPtr, + &PseudoSourceValue::FPRel, SPFI, SlotVT); } // Result is a load from the stack slot. @@ -4761,9 +4772,15 @@ SDOperand SelectionDAGLegalize::ExpandSCALAR_TO_VECTOR(SDNode *Node) { // Create a vector sized/aligned stack slot, store the value to element #0, // then load the whole vector back out. SDOperand StackPtr = DAG.CreateStackTemporary(Node->getValueType(0)); + + FrameIndexSDNode *StackPtrFI = dyn_cast<FrameIndexSDNode>(StackPtr); + assert(StackPtrFI); + int SPFI = StackPtrFI->getIndex(); + SDOperand Ch = DAG.getStore(DAG.getEntryNode(), Node->getOperand(0), StackPtr, - NULL, 0); - return DAG.getLoad(Node->getValueType(0), Ch, StackPtr, NULL, 0); + &PseudoSourceValue::FPRel, SPFI); + return DAG.getLoad(Node->getValueType(0), Ch, StackPtr, + &PseudoSourceValue::FPRel, SPFI); } @@ -4827,7 +4844,8 @@ SDOperand SelectionDAGLegalize::ExpandBUILD_VECTOR(SDNode *Node) { } Constant *CP = ConstantVector::get(CV); SDOperand CPIdx = DAG.getConstantPool(CP, TLI.getPointerTy()); - return DAG.getLoad(VT, DAG.getEntryNode(), CPIdx, NULL, 0); + return DAG.getLoad(VT, DAG.getEntryNode(), CPIdx, + &PseudoSourceValue::CPRel, 0); } if (SplatValue.Val) { // Splat of one value? @@ -5169,11 +5187,13 @@ ExpandIntToFP(bool isSigned, MVT::ValueType DestTy, SDOperand Source) { CPIdx = DAG.getNode(ISD::ADD, TLI.getPointerTy(), CPIdx, CstOffset); SDOperand FudgeInReg; if (DestTy == MVT::f32) - FudgeInReg = DAG.getLoad(MVT::f32, DAG.getEntryNode(), CPIdx, NULL, 0); + FudgeInReg = DAG.getLoad(MVT::f32, DAG.getEntryNode(), CPIdx, + &PseudoSourceValue::CPRel, 0); else if (MVT::getSizeInBits(DestTy) > MVT::getSizeInBits(MVT::f32)) // FIXME: Avoid the extend by construction the right constantpool? FudgeInReg = DAG.getExtLoad(ISD::EXTLOAD, DestTy, DAG.getEntryNode(), - CPIdx, NULL, 0, MVT::f32); + CPIdx, &PseudoSourceValue::CPRel, 0, + MVT::f32); else assert(0 && "Unexpected conversion"); @@ -5315,11 +5335,13 @@ SDOperand SelectionDAGLegalize::ExpandLegalINT_TO_FP(bool isSigned, CPIdx = DAG.getNode(ISD::ADD, TLI.getPointerTy(), CPIdx, CstOffset); SDOperand FudgeInReg; if (DestVT == MVT::f32) - FudgeInReg = DAG.getLoad(MVT::f32, DAG.getEntryNode(), CPIdx, NULL, 0); + FudgeInReg = DAG.getLoad(MVT::f32, DAG.getEntryNode(), CPIdx, + &PseudoSourceValue::CPRel, 0); else { FudgeInReg = LegalizeOp(DAG.getExtLoad(ISD::EXTLOAD, DestVT, DAG.getEntryNode(), CPIdx, - NULL, 0, MVT::f32)); + &PseudoSourceValue::CPRel, 0, + MVT::f32)); } return DAG.getNode(ISD::FADD, DestVT, Tmp1, FudgeInReg); @@ -6728,10 +6750,14 @@ 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 = dyn_cast<FrameIndexSDNode>(Ptr.Val); + assert(FI && "Expecting CreateStackTemporary to return a frame index.\n"); SDOperand St = DAG.getStore(DAG.getEntryNode(), - InOp, Ptr, NULL, 0); - InOp = DAG.getLoad(Op.getValueType(), St, Ptr, NULL, 0); + InOp, Ptr, + &PseudoSourceValue::FPRel, FI->getIndex()); + InOp = DAG.getLoad(Op.getValueType(), St, Ptr, + &PseudoSourceValue::FPRel, FI->getIndex()); } // Split the vector and convert each of the pieces now. SplitVectorOp(InOp, Lo, Hi); |