X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;ds=sidebyside;f=lib%2FTarget%2FXCore%2FXCoreISelDAGToDAG.cpp;h=9f61c84cd445db1a774c4f94580523dc43a79daa;hb=a4fe29414d883239042d49813e28f0db7fd92391;hp=768cba6dee0a461a328a365580e7bf9723f78387;hpb=ba54bca472a15d0657e1b88776f7069042b60b4e;p=oota-llvm.git

diff --git a/lib/Target/XCore/XCoreISelDAGToDAG.cpp b/lib/Target/XCore/XCoreISelDAGToDAG.cpp
index 768cba6dee0..9f61c84cd44 100644
--- a/lib/Target/XCore/XCoreISelDAGToDAG.cpp
+++ b/lib/Target/XCore/XCoreISelDAGToDAG.cpp
@@ -37,20 +37,18 @@ using namespace llvm;
 ///
 namespace {
   class XCoreDAGToDAGISel : public SelectionDAGISel {
-    const XCoreSubtarget &Subtarget;
 
   public:
     XCoreDAGToDAGISel(XCoreTargetMachine &TM, CodeGenOpt::Level OptLevel)
-      : SelectionDAGISel(TM, OptLevel),
-        Subtarget(*TM.getSubtargetImpl()) { }
+      : SelectionDAGISel(TM, OptLevel) {}
 
-    SDNode *Select(SDNode *N);
+    SDNode *Select(SDNode *N) override;
     SDNode *SelectBRIND(SDNode *N);
 
     /// getI32Imm - Return a target constant with the specified value, of type
     /// i32.
-    inline SDValue getI32Imm(unsigned Imm) {
-      return CurDAG->getTargetConstant(Imm, MVT::i32);
+    inline SDValue getI32Imm(unsigned Imm, SDLoc dl) {
+      return CurDAG->getTargetConstant(Imm, dl, MVT::i32);
     }
 
     inline bool immMskBitp(SDNode *inN) const {
@@ -66,8 +64,11 @@ namespace {
 
     // Complex Pattern Selectors.
     bool SelectADDRspii(SDValue Addr, SDValue &Base, SDValue &Offset);
-    
-    virtual const char *getPassName() const {
+
+    bool SelectInlineAsmMemoryOperand(const SDValue &Op, unsigned ConstraintID,
+                                      std::vector<SDValue> &OutOps) override;
+
+    const char *getPassName() const override {
       return "XCore DAG->DAG Pattern Instruction Selection";
     } 
     
@@ -86,26 +87,49 @@ FunctionPass *llvm::createXCoreISelDag(XCoreTargetMachine &TM,
 
 bool XCoreDAGToDAGISel::SelectADDRspii(SDValue Addr, SDValue &Base,
                                        SDValue &Offset) {
-  FrameIndexSDNode *FIN = 0;
+  FrameIndexSDNode *FIN = nullptr;
   if ((FIN = dyn_cast<FrameIndexSDNode>(Addr))) {
     Base = CurDAG->getTargetFrameIndex(FIN->getIndex(), MVT::i32);
-    Offset = CurDAG->getTargetConstant(0, MVT::i32);
+    Offset = CurDAG->getTargetConstant(0, SDLoc(Addr), MVT::i32);
     return true;
   }
   if (Addr.getOpcode() == ISD::ADD) {
-    ConstantSDNode *CN = 0;
+    ConstantSDNode *CN = nullptr;
     if ((FIN = dyn_cast<FrameIndexSDNode>(Addr.getOperand(0)))
       && (CN = dyn_cast<ConstantSDNode>(Addr.getOperand(1)))
       && (CN->getSExtValue() % 4 == 0 && CN->getSExtValue() >= 0)) {
       // Constant positive word offset from frame index
       Base = CurDAG->getTargetFrameIndex(FIN->getIndex(), MVT::i32);
-      Offset = CurDAG->getTargetConstant(CN->getSExtValue(), MVT::i32);
+      Offset = CurDAG->getTargetConstant(CN->getSExtValue(), SDLoc(Addr),
+                                         MVT::i32);
       return true;
     }
   }
   return false;
 }
 
+bool XCoreDAGToDAGISel::
+SelectInlineAsmMemoryOperand(const SDValue &Op, unsigned ConstraintID,
+                             std::vector<SDValue> &OutOps) {
+  SDValue Reg;
+  switch (ConstraintID) {
+  default: return true;
+  case InlineAsm::Constraint_m: // Memory.
+    switch (Op.getOpcode()) {
+    default: return true;
+    case XCoreISD::CPRelativeWrapper:
+      Reg = CurDAG->getRegister(XCore::CP, MVT::i32);
+      break;
+    case XCoreISD::DPRelativeWrapper:
+      Reg = CurDAG->getRegister(XCore::DP, MVT::i32);
+      break;
+    }
+  }
+  OutOps.push_back(Reg);
+  OutOps.push_back(Op.getOperand(0));
+  return false;
+}
+
 SDNode *XCoreDAGToDAGISel::Select(SDNode *N) {
   SDLoc dl(N);
   switch (N->getOpcode()) {
@@ -115,21 +139,21 @@ SDNode *XCoreDAGToDAGISel::Select(SDNode *N) {
     if (immMskBitp(N)) {
       // Transformation function: get the size of a mask
       // Look for the first non-zero bit
-      SDValue MskSize = getI32Imm(32 - countLeadingZeros(Val));
+      SDValue MskSize = getI32Imm(32 - countLeadingZeros((uint32_t)Val), dl);
       return CurDAG->getMachineNode(XCore::MKMSK_rus, dl,
                                     MVT::i32, MskSize);
     }
     else if (!isUInt<16>(Val)) {
-      SDValue CPIdx =
-        CurDAG->getTargetConstantPool(ConstantInt::get(
-                              Type::getInt32Ty(*CurDAG->getContext()), Val),
-                                      getTargetLowering()->getPointerTy());
+      SDValue CPIdx = CurDAG->getTargetConstantPool(
+          ConstantInt::get(Type::getInt32Ty(*CurDAG->getContext()), Val),
+          getTargetLowering()->getPointerTy(CurDAG->getDataLayout()));
       SDNode *node = CurDAG->getMachineNode(XCore::LDWCP_lru6, dl, MVT::i32,
                                             MVT::Other, CPIdx,
                                             CurDAG->getEntryNode());
       MachineSDNode::mmo_iterator MemOp = MF->allocateMemRefsArray(1);
-      MemOp[0] = MF->getMachineMemOperand(
-        MachinePointerInfo::getConstantPool(), MachineMemOperand::MOLoad, 4, 4);      
+      MemOp[0] =
+          MF->getMachineMemOperand(MachinePointerInfo::getConstantPool(*MF),
+                                   MachineMemOperand::MOLoad, 4, 4);
       cast<MachineSDNode>(node)->setMemRefs(MemOp, MemOp + 1);
       return node;
     }
@@ -202,8 +226,7 @@ replaceInChain(SelectionDAG *CurDAG, SDValue Chain, SDValue Old, SDValue New)
   }
   if (!found)
     return SDValue();
-  return CurDAG->getNode(ISD::TokenFactor, SDLoc(Chain), MVT::Other,
-                         &Ops[0], Ops.size());
+  return CurDAG->getNode(ISD::TokenFactor, SDLoc(Chain), MVT::Other, Ops);
 }
 
 SDNode *XCoreDAGToDAGISel::SelectBRIND(SDNode *N) {
@@ -212,10 +235,10 @@ SDNode *XCoreDAGToDAGISel::SelectBRIND(SDNode *N) {
   SDValue Chain = N->getOperand(0);
   SDValue Addr = N->getOperand(1);
   if (Addr->getOpcode() != ISD::INTRINSIC_W_CHAIN)
-    return 0;
+    return nullptr;
   unsigned IntNo = cast<ConstantSDNode>(Addr->getOperand(1))->getZExtValue();
   if (IntNo != Intrinsic::xcore_checkevent)
-    return 0;
+    return nullptr;
   SDValue nextAddr = Addr->getOperand(2);
   SDValue CheckEventChainOut(Addr.getNode(), 1);
   if (!CheckEventChainOut.use_empty()) {
@@ -227,14 +250,14 @@ SDNode *XCoreDAGToDAGISel::SelectBRIND(SDNode *N) {
     SDValue NewChain = replaceInChain(CurDAG, Chain, CheckEventChainOut,
                                       CheckEventChainIn);
     if (!NewChain.getNode())
-      return 0;
+      return nullptr;
     Chain = NewChain;
   }
   // Enable events on the thread using setsr 1 and then disable them immediately
   // after with clrsr 1. If any resources owned by the thread are ready an event
   // will be taken. If no resource is ready we branch to the address which was
   // the operand to the checkevent intrinsic.
-  SDValue constOne = getI32Imm(1);
+  SDValue constOne = getI32Imm(1, dl);
   SDValue Glue =
     SDValue(CurDAG->getMachineNode(XCore::SETSR_branch_u6, dl, MVT::Glue,
                                    constOne, Chain), 0);