Pass DebugLoc and SDLoc by const ref.
This used to be free, copying and moving DebugLocs became expensive
after the metadata rewrite. Passing by reference eliminates a ton of
track/untrack operations. No functionality change intended.
llvm-svn: 272512
diff --git a/llvm/lib/Target/Mips/MipsISelLowering.h b/llvm/lib/Target/Mips/MipsISelLowering.h
index a56918c..b33d130 100644
--- a/llvm/lib/Target/Mips/MipsISelLowering.h
+++ b/llvm/lib/Target/Mips/MipsISelLowering.h
@@ -304,7 +304,7 @@
//
// (add (load (wrapper $gp, %got(sym)), %lo(sym))
template <class NodeTy>
- SDValue getAddrLocal(NodeTy *N, SDLoc DL, EVT Ty, SelectionDAG &DAG,
+ SDValue getAddrLocal(NodeTy *N, const SDLoc &DL, EVT Ty, SelectionDAG &DAG,
bool IsN32OrN64) const {
unsigned GOTFlag = IsN32OrN64 ? MipsII::MO_GOT_PAGE : MipsII::MO_GOT;
SDValue GOT = DAG.getNode(MipsISD::Wrapper, DL, Ty, getGlobalReg(DAG, Ty),
@@ -324,7 +324,7 @@
//
// (load (wrapper $gp, %got(sym)))
template <class NodeTy>
- SDValue getAddrGlobal(NodeTy *N, SDLoc DL, EVT Ty, SelectionDAG &DAG,
+ SDValue getAddrGlobal(NodeTy *N, const SDLoc &DL, EVT Ty, SelectionDAG &DAG,
unsigned Flag, SDValue Chain,
const MachinePointerInfo &PtrInfo) const {
SDValue Tgt = DAG.getNode(MipsISD::Wrapper, DL, Ty, getGlobalReg(DAG, Ty),
@@ -337,7 +337,7 @@
//
// (load (wrapper (add %hi(sym), $gp), %lo(sym)))
template <class NodeTy>
- SDValue getAddrGlobalLargeGOT(NodeTy *N, SDLoc DL, EVT Ty,
+ SDValue getAddrGlobalLargeGOT(NodeTy *N, const SDLoc &DL, EVT Ty,
SelectionDAG &DAG, unsigned HiFlag,
unsigned LoFlag, SDValue Chain,
const MachinePointerInfo &PtrInfo) const {
@@ -355,7 +355,7 @@
//
// (add %hi(sym), %lo(sym))
template <class NodeTy>
- SDValue getAddrNonPIC(NodeTy *N, SDLoc DL, EVT Ty,
+ SDValue getAddrNonPIC(NodeTy *N, const SDLoc &DL, EVT Ty,
SelectionDAG &DAG) const {
SDValue Hi = getTargetNode(N, Ty, DAG, MipsII::MO_ABS_HI);
SDValue Lo = getTargetNode(N, Ty, DAG, MipsII::MO_ABS_LO);
@@ -369,7 +369,8 @@
//
// (add $gp, %gp_rel(sym))
template <class NodeTy>
- SDValue getAddrGPRel(NodeTy *N, SDLoc DL, EVT Ty, SelectionDAG &DAG) const {
+ SDValue getAddrGPRel(NodeTy *N, const SDLoc &DL, EVT Ty,
+ SelectionDAG &DAG) const {
assert(Ty == MVT::i32);
SDValue GPRel = getTargetNode(N, Ty, DAG, MipsII::MO_GPREL);
return DAG.getNode(ISD::ADD, DL, Ty,
@@ -421,8 +422,9 @@
// Lower Operand helpers
SDValue LowerCallResult(SDValue Chain, SDValue InFlag,
CallingConv::ID CallConv, bool isVarArg,
- const SmallVectorImpl<ISD::InputArg> &Ins, SDLoc dl,
- SelectionDAG &DAG, SmallVectorImpl<SDValue> &InVals,
+ const SmallVectorImpl<ISD::InputArg> &Ins,
+ const SDLoc &dl, SelectionDAG &DAG,
+ SmallVectorImpl<SDValue> &InVals,
TargetLowering::CallLoweringInfo &CLI) const;
// Lower Operand specifics
@@ -459,15 +461,16 @@
/// copyByValArg - Copy argument registers which were used to pass a byval
/// argument to the stack. Create a stack frame object for the byval
/// argument.
- void copyByValRegs(SDValue Chain, SDLoc DL, std::vector<SDValue> &OutChains,
- SelectionDAG &DAG, const ISD::ArgFlagsTy &Flags,
+ void copyByValRegs(SDValue Chain, const SDLoc &DL,
+ std::vector<SDValue> &OutChains, SelectionDAG &DAG,
+ const ISD::ArgFlagsTy &Flags,
SmallVectorImpl<SDValue> &InVals,
const Argument *FuncArg, unsigned FirstReg,
unsigned LastReg, const CCValAssign &VA,
MipsCCState &State) const;
/// passByValArg - Pass a byval argument in registers or on stack.
- void passByValArg(SDValue Chain, SDLoc DL,
+ void passByValArg(SDValue Chain, const SDLoc &DL,
std::deque<std::pair<unsigned, SDValue>> &RegsToPass,
SmallVectorImpl<SDValue> &MemOpChains, SDValue StackPtr,
MachineFrameInfo *MFI, SelectionDAG &DAG, SDValue Arg,
@@ -479,17 +482,17 @@
/// to the stack. Also create a stack frame object for the first variable
/// argument.
void writeVarArgRegs(std::vector<SDValue> &OutChains, SDValue Chain,
- SDLoc DL, SelectionDAG &DAG, CCState &State) const;
+ const SDLoc &DL, SelectionDAG &DAG,
+ CCState &State) const;
SDValue
- LowerFormalArguments(SDValue Chain,
- CallingConv::ID CallConv, bool isVarArg,
- const SmallVectorImpl<ISD::InputArg> &Ins,
- SDLoc dl, SelectionDAG &DAG,
- SmallVectorImpl<SDValue> &InVals) const override;
+ LowerFormalArguments(SDValue Chain, CallingConv::ID CallConv, bool isVarArg,
+ const SmallVectorImpl<ISD::InputArg> &Ins,
+ const SDLoc &dl, SelectionDAG &DAG,
+ SmallVectorImpl<SDValue> &InVals) const override;
SDValue passArgOnStack(SDValue StackPtr, unsigned Offset, SDValue Chain,
- SDValue Arg, SDLoc DL, bool IsTailCall,
+ SDValue Arg, const SDLoc &DL, bool IsTailCall,
SelectionDAG &DAG) const;
SDValue LowerCall(TargetLowering::CallLoweringInfo &CLI,
@@ -500,14 +503,13 @@
const SmallVectorImpl<ISD::OutputArg> &Outs,
LLVMContext &Context) const override;
- SDValue LowerReturn(SDValue Chain,
- CallingConv::ID CallConv, bool isVarArg,
+ SDValue LowerReturn(SDValue Chain, CallingConv::ID CallConv, bool isVarArg,
const SmallVectorImpl<ISD::OutputArg> &Outs,
const SmallVectorImpl<SDValue> &OutVals,
- SDLoc dl, SelectionDAG &DAG) const override;
+ const SDLoc &dl, SelectionDAG &DAG) const override;
- SDValue LowerInterruptReturn(SmallVectorImpl<SDValue> &RetOps, SDLoc DL,
- SelectionDAG &DAG) const;
+ SDValue LowerInterruptReturn(SmallVectorImpl<SDValue> &RetOps,
+ const SDLoc &DL, SelectionDAG &DAG) const;
bool shouldSignExtendTypeInLibCall(EVT Type, bool IsSigned) const override;