[mips] Rewrite MipsTargetLowering::getAddr functions as template functions.
No intended functionality change.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191546 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Mips/MipsISelLowering.cpp b/lib/Target/Mips/MipsISelLowering.cpp
index 8fb1efe..5aab3f8 100644
--- a/lib/Target/Mips/MipsISelLowering.cpp
+++ b/lib/Target/Mips/MipsISelLowering.cpp
@@ -80,72 +80,35 @@
return DAG.getRegister(FI->getGlobalBaseReg(), Ty);
}
-static SDValue getTargetNode(SDValue Op, SelectionDAG &DAG, unsigned Flag) {
- EVT Ty = Op.getValueType();
-
- if (GlobalAddressSDNode *N = dyn_cast<GlobalAddressSDNode>(Op))
- return DAG.getTargetGlobalAddress(N->getGlobal(), SDLoc(Op), Ty, 0,
- Flag);
- if (ExternalSymbolSDNode *N = dyn_cast<ExternalSymbolSDNode>(Op))
- return DAG.getTargetExternalSymbol(N->getSymbol(), Ty, Flag);
- if (BlockAddressSDNode *N = dyn_cast<BlockAddressSDNode>(Op))
- return DAG.getTargetBlockAddress(N->getBlockAddress(), Ty, 0, Flag);
- if (JumpTableSDNode *N = dyn_cast<JumpTableSDNode>(Op))
- return DAG.getTargetJumpTable(N->getIndex(), Ty, Flag);
- if (ConstantPoolSDNode *N = dyn_cast<ConstantPoolSDNode>(Op))
- return DAG.getTargetConstantPool(N->getConstVal(), Ty, N->getAlignment(),
- N->getOffset(), Flag);
-
- llvm_unreachable("Unexpected node type.");
- return SDValue();
-}
-
-static SDValue getAddrNonPIC(SDValue Op, SelectionDAG &DAG) {
- SDLoc DL(Op);
- EVT Ty = Op.getValueType();
- SDValue Hi = getTargetNode(Op, DAG, MipsII::MO_ABS_HI);
- SDValue Lo = getTargetNode(Op, DAG, MipsII::MO_ABS_LO);
- return DAG.getNode(ISD::ADD, DL, Ty,
- DAG.getNode(MipsISD::Hi, DL, Ty, Hi),
- DAG.getNode(MipsISD::Lo, DL, Ty, Lo));
-}
-
-SDValue MipsTargetLowering::getAddrLocal(SDValue Op, SelectionDAG &DAG,
- bool HasMips64) const {
- SDLoc DL(Op);
- EVT Ty = Op.getValueType();
- unsigned GOTFlag = HasMips64 ? MipsII::MO_GOT_PAGE : MipsII::MO_GOT;
- SDValue GOT = DAG.getNode(MipsISD::Wrapper, DL, Ty, getGlobalReg(DAG, Ty),
- getTargetNode(Op, DAG, GOTFlag));
- SDValue Load = DAG.getLoad(Ty, DL, DAG.getEntryNode(), GOT,
- MachinePointerInfo::getGOT(), false, false, false,
- 0);
- unsigned LoFlag = HasMips64 ? MipsII::MO_GOT_OFST : MipsII::MO_ABS_LO;
- SDValue Lo = DAG.getNode(MipsISD::Lo, DL, Ty, getTargetNode(Op, DAG, LoFlag));
- return DAG.getNode(ISD::ADD, DL, Ty, Load, Lo);
-}
-
-SDValue MipsTargetLowering::getAddrGlobal(SDValue Op, SelectionDAG &DAG,
+SDValue MipsTargetLowering::getTargetNode(GlobalAddressSDNode *N, EVT Ty,
+ SelectionDAG &DAG,
unsigned Flag) const {
- SDLoc DL(Op);
- EVT Ty = Op.getValueType();
- SDValue Tgt = DAG.getNode(MipsISD::Wrapper, DL, Ty, getGlobalReg(DAG, Ty),
- getTargetNode(Op, DAG, Flag));
- return DAG.getLoad(Ty, DL, DAG.getEntryNode(), Tgt,
- MachinePointerInfo::getGOT(), false, false, false, 0);
+ return DAG.getTargetGlobalAddress(N->getGlobal(), SDLoc(N), Ty, 0, Flag);
}
-SDValue MipsTargetLowering::getAddrGlobalLargeGOT(SDValue Op, SelectionDAG &DAG,
- unsigned HiFlag,
- unsigned LoFlag) const {
- SDLoc DL(Op);
- EVT Ty = Op.getValueType();
- SDValue Hi = DAG.getNode(MipsISD::Hi, DL, Ty, getTargetNode(Op, DAG, HiFlag));
- Hi = DAG.getNode(ISD::ADD, DL, Ty, Hi, getGlobalReg(DAG, Ty));
- SDValue Wrapper = DAG.getNode(MipsISD::Wrapper, DL, Ty, Hi,
- getTargetNode(Op, DAG, LoFlag));
- return DAG.getLoad(Ty, DL, DAG.getEntryNode(), Wrapper,
- MachinePointerInfo::getGOT(), false, false, false, 0);
+SDValue MipsTargetLowering::getTargetNode(ExternalSymbolSDNode *N, EVT Ty,
+ SelectionDAG &DAG,
+ unsigned Flag) const {
+ return DAG.getTargetExternalSymbol(N->getSymbol(), Ty, Flag);
+}
+
+SDValue MipsTargetLowering::getTargetNode(BlockAddressSDNode *N, EVT Ty,
+ SelectionDAG &DAG,
+ unsigned Flag) const {
+ return DAG.getTargetBlockAddress(N->getBlockAddress(), Ty, 0, Flag);
+}
+
+SDValue MipsTargetLowering::getTargetNode(JumpTableSDNode *N, EVT Ty,
+ SelectionDAG &DAG,
+ unsigned Flag) const {
+ return DAG.getTargetJumpTable(N->getIndex(), Ty, Flag);
+}
+
+SDValue MipsTargetLowering::getTargetNode(ConstantPoolSDNode *N, EVT Ty,
+ SelectionDAG &DAG,
+ unsigned Flag) const {
+ return DAG.getTargetConstantPool(N->getConstVal(), Ty, N->getAlignment(),
+ N->getOffset(), Flag);
}
const char *MipsTargetLowering::getTargetNodeName(unsigned Opcode) const {
@@ -1478,7 +1441,9 @@
SelectionDAG &DAG) const {
// FIXME there isn't actually debug info here
SDLoc DL(Op);
- const GlobalValue *GV = cast<GlobalAddressSDNode>(Op)->getGlobal();
+ EVT Ty = Op.getValueType();
+ GlobalAddressSDNode *N = cast<GlobalAddressSDNode>(Op);
+ const GlobalValue *GV = N->getGlobal();
if (getTargetMachine().getRelocationModel() != Reloc::PIC_ && !IsN64) {
const MipsTargetObjectFile &TLOF =
@@ -1495,26 +1460,29 @@
}
// %hi/%lo relocation
- return getAddrNonPIC(Op, DAG);
+ return getAddrNonPIC(N, Ty, DAG);
}
if (GV->hasInternalLinkage() || (GV->hasLocalLinkage() && !isa<Function>(GV)))
- return getAddrLocal(Op, DAG, HasMips64);
+ return getAddrLocal(N, Ty, DAG, HasMips64);
if (LargeGOT)
- return getAddrGlobalLargeGOT(Op, DAG, MipsII::MO_GOT_HI16,
+ return getAddrGlobalLargeGOT(N, Ty, DAG, MipsII::MO_GOT_HI16,
MipsII::MO_GOT_LO16);
- return getAddrGlobal(Op, DAG,
+ return getAddrGlobal(N, Ty, DAG,
HasMips64 ? MipsII::MO_GOT_DISP : MipsII::MO_GOT16);
}
SDValue MipsTargetLowering::lowerBlockAddress(SDValue Op,
SelectionDAG &DAG) const {
- if (getTargetMachine().getRelocationModel() != Reloc::PIC_ && !IsN64)
- return getAddrNonPIC(Op, DAG);
+ BlockAddressSDNode *N = cast<BlockAddressSDNode>(Op);
+ EVT Ty = Op.getValueType();
- return getAddrLocal(Op, DAG, HasMips64);
+ if (getTargetMachine().getRelocationModel() != Reloc::PIC_ && !IsN64)
+ return getAddrNonPIC(N, Ty, DAG);
+
+ return getAddrLocal(N, Ty, DAG, HasMips64);
}
SDValue MipsTargetLowering::
@@ -1601,10 +1569,13 @@
SDValue MipsTargetLowering::
lowerJumpTable(SDValue Op, SelectionDAG &DAG) const
{
- if (getTargetMachine().getRelocationModel() != Reloc::PIC_ && !IsN64)
- return getAddrNonPIC(Op, DAG);
+ JumpTableSDNode *N = cast<JumpTableSDNode>(Op);
+ EVT Ty = Op.getValueType();
- return getAddrLocal(Op, DAG, HasMips64);
+ if (getTargetMachine().getRelocationModel() != Reloc::PIC_ && !IsN64)
+ return getAddrNonPIC(N, Ty, DAG);
+
+ return getAddrLocal(N, Ty, DAG, HasMips64);
}
SDValue MipsTargetLowering::
@@ -1619,11 +1590,13 @@
// SDValue GPRelNode = DAG.getNode(MipsISD::GPRel, MVT::i32, CP);
// SDValue GOT = DAG.getGLOBAL_OFFSET_TABLE(MVT::i32);
// ResNode = DAG.getNode(ISD::ADD, MVT::i32, GOT, GPRelNode);
+ ConstantPoolSDNode *N = cast<ConstantPoolSDNode>(Op);
+ EVT Ty = Op.getValueType();
if (getTargetMachine().getRelocationModel() != Reloc::PIC_ && !IsN64)
- return getAddrNonPIC(Op, DAG);
+ return getAddrNonPIC(N, Ty, DAG);
- return getAddrLocal(Op, DAG, HasMips64);
+ return getAddrLocal(N, Ty, DAG, HasMips64);
}
SDValue MipsTargetLowering::lowerVASTART(SDValue Op, SelectionDAG &DAG) const {
@@ -2469,18 +2442,19 @@
bool IsPICCall = (IsN64 || IsPIC); // true if calls are translated to jalr $25
bool GlobalOrExternal = false, InternalLinkage = false;
SDValue CalleeLo;
+ EVT Ty = Callee.getValueType();
if (GlobalAddressSDNode *G = dyn_cast<GlobalAddressSDNode>(Callee)) {
if (IsPICCall) {
InternalLinkage = G->getGlobal()->hasInternalLinkage();
if (InternalLinkage)
- Callee = getAddrLocal(Callee, DAG, HasMips64);
+ Callee = getAddrLocal(G, Ty, DAG, HasMips64);
else if (LargeGOT)
- Callee = getAddrGlobalLargeGOT(Callee, DAG, MipsII::MO_CALL_HI16,
+ Callee = getAddrGlobalLargeGOT(G, Ty, DAG, MipsII::MO_CALL_HI16,
MipsII::MO_CALL_LO16);
else
- Callee = getAddrGlobal(Callee, DAG, MipsII::MO_GOT_CALL);
+ Callee = getAddrGlobal(G, Ty, DAG, MipsII::MO_GOT_CALL);
} else
Callee = DAG.getTargetGlobalAddress(G->getGlobal(), DL, getPointerTy(), 0,
MipsII::MO_NO_FLAG);
@@ -2491,10 +2465,10 @@
Callee = DAG.getTargetExternalSymbol(S->getSymbol(), getPointerTy(),
MipsII::MO_NO_FLAG);
else if (LargeGOT)
- Callee = getAddrGlobalLargeGOT(Callee, DAG, MipsII::MO_CALL_HI16,
+ Callee = getAddrGlobalLargeGOT(S, Ty, DAG, MipsII::MO_CALL_HI16,
MipsII::MO_CALL_LO16);
else // N64 || PIC
- Callee = getAddrGlobal(Callee, DAG, MipsII::MO_GOT_CALL);
+ Callee = getAddrGlobal(S, Ty, DAG, MipsII::MO_GOT_CALL);
GlobalOrExternal = true;
}