diff --git a/lib/Target/Hexagon/HexagonISelLowering.cpp b/lib/Target/Hexagon/HexagonISelLowering.cpp index e87e1e6a7e0f..db00441f85c8 100644 --- a/lib/Target/Hexagon/HexagonISelLowering.cpp +++ b/lib/Target/Hexagon/HexagonISelLowering.cpp @@ -483,9 +483,7 @@ static bool RetCC_Hexagon32(unsigned ValNo, MVT ValVT, } } - unsigned Offset = State.AllocateStack(4, 4); - State.addLoc(CCValAssign::getMem(ValNo, ValVT, Offset, LocVT, LocInfo)); - return false; + return true; } static bool RetCC_Hexagon64(unsigned ValNo, MVT ValVT, @@ -498,9 +496,7 @@ static bool RetCC_Hexagon64(unsigned ValNo, MVT ValVT, } } - unsigned Offset = State.AllocateStack(8, 8); - State.addLoc(CCValAssign::getMem(ValNo, ValVT, Offset, LocVT, LocInfo)); - return false; + return true; } static bool RetCC_HexagonVector(unsigned ValNo, MVT ValVT, @@ -511,7 +507,6 @@ static bool RetCC_HexagonVector(unsigned ValNo, MVT ValVT, bool UseHVX = HST.useHVXOps(); bool UseHVXDbl = HST.useHVXDblOps(); - unsigned OffSiz = 64; if (LocVT == MVT::v16i32) { if (unsigned Reg = State.AllocateReg(Hexagon::V0)) { State.addLoc(CCValAssign::getReg(ValNo, ValVT, Reg, LocVT, LocInfo)); @@ -523,18 +518,14 @@ static bool RetCC_HexagonVector(unsigned ValNo, MVT ValVT, State.addLoc(CCValAssign::getReg(ValNo, ValVT, Reg, LocVT, LocInfo)); return false; } - OffSiz = 128; } else if (LocVT == MVT::v64i32) { if (unsigned Reg = State.AllocateReg(Hexagon::W0)) { State.addLoc(CCValAssign::getReg(ValNo, ValVT, Reg, LocVT, LocInfo)); return false; } - OffSiz = 256; } - unsigned Offset = State.AllocateStack(OffSiz, OffSiz); - State.addLoc(CCValAssign::getMem(ValNo, ValVT, Offset, LocVT, LocInfo)); - return false; + return true; } void HexagonTargetLowering::promoteLdStType(MVT VT, MVT PromotedLdStVT) { @@ -590,6 +581,16 @@ static bool isHvxVectorType(MVT Ty) { } } +bool +HexagonTargetLowering::CanLowerReturn( + CallingConv::ID CallConv, MachineFunction &MF, bool isVarArg, + const SmallVectorImpl &Outs, + LLVMContext &Context) const { + SmallVector RVLocs; + CCState CCInfo(CallConv, isVarArg, MF, RVLocs, Context); + return CCInfo.CheckReturn(Outs, RetCC_Hexagon); +} + // LowerReturn - Lower ISD::RET. If a struct is larger than 8 bytes and is // passed by value, the function prototype is modified to return void and // the value is stored in memory pointed by a pointer passed by caller. @@ -1217,7 +1218,7 @@ SDValue HexagonTargetLowering::LowerFormalArguments( InVals.push_back(FIN); } else { InVals.push_back( - DAG.getLoad(VA.getLocVT(), dl, Chain, FIN, MachinePointerInfo())); + DAG.getLoad(VA.getValVT(), dl, Chain, FIN, MachinePointerInfo())); } } } diff --git a/lib/Target/Hexagon/HexagonISelLowering.h b/lib/Target/Hexagon/HexagonISelLowering.h index a8ed29e585d4..0b6b25ecd1c4 100644 --- a/lib/Target/Hexagon/HexagonISelLowering.h +++ b/lib/Target/Hexagon/HexagonISelLowering.h @@ -185,6 +185,11 @@ namespace HexagonISD { SDValue LowerRETURNADDR(SDValue Op, SelectionDAG &DAG) const; SDValue LowerLOAD(SDValue Op, SelectionDAG &DAG) const; + bool CanLowerReturn(CallingConv::ID CallConv, + MachineFunction &MF, bool isVarArg, + const SmallVectorImpl &Outs, + LLVMContext &Context) const override; + SDValue LowerReturn(SDValue Chain, CallingConv::ID CallConv, bool isVarArg, const SmallVectorImpl &Outs, const SmallVectorImpl &OutVals,