1 files changed, 25 insertions, 8 deletions

diff --git a/lib/Target/Sparc/SparcISelDAGToDAG.cpp b/lib/Target/Sparc/SparcISelDAGToDAG.cpp
index c9bd62d..a1a4a8e 100644
--- a/lib/Target/Sparc/SparcISelDAGToDAG.cpp
+++ b/lib/Target/Sparc/SparcISelDAGToDAG.cpp
@@ -17,6 +17,8 @@
 #include "llvm/CodeGen/SelectionDAGISel.h"
 #include "llvm/Support/Compiler.h"
 #include "llvm/Support/Debug.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/raw_ostream.h"
 using namespace llvm;
 
 //===----------------------------------------------------------------------===//
@@ -32,10 +34,13 @@ class SparcDAGToDAGISel : public SelectionDAGISel {
   /// Subtarget - Keep a pointer to the Sparc Subtarget around so that we can
   /// make the right decision when generating code for different targets.
   const SparcSubtarget &Subtarget;
+  SparcTargetMachine& TM;
+  MachineBasicBlock *CurBB;
 public:
-  explicit SparcDAGToDAGISel(SparcTargetMachine &TM)
-    : SelectionDAGISel(TM),
-      Subtarget(TM.getSubtarget<SparcSubtarget>()) {
+  explicit SparcDAGToDAGISel(SparcTargetMachine &tm)
+    : SelectionDAGISel(tm),
+      Subtarget(tm.getSubtarget<SparcSubtarget>()),
+      TM(tm) {
   }
 
   SDNode *Select(SDValue Op);
@@ -61,6 +66,9 @@ public:
 
   // Include the pieces autogenerated from the target description.
 #include "SparcGenDAGISel.inc"
+
+private:
+  SDNode* getGlobalBaseReg();
 };
 }  // end anonymous namespace
 
@@ -68,12 +76,18 @@ public:
 /// SelectionDAGISel when it has created a SelectionDAG for us to codegen.
 void SparcDAGToDAGISel::InstructionSelect() {
   DEBUG(BB->dump());
-
+  CurBB = BB;
   // Select target instructions for the DAG.
   SelectRoot(*CurDAG);
   CurDAG->RemoveDeadNodes();
 }
 
+SDNode* SparcDAGToDAGISel::getGlobalBaseReg() {
+  MachineFunction *MF = CurBB->getParent();
+  unsigned GlobalBaseReg = TM.getInstrInfo()->getGlobalBaseReg(MF);
+  return CurDAG->getRegister(GlobalBaseReg, TLI.getPointerTy()).getNode();
+}
+
 bool SparcDAGToDAGISel::SelectADDRri(SDValue Op, SDValue Addr,
                                      SDValue &Base, SDValue &Offset) {
   if (FrameIndexSDNode *FIN = dyn_cast<FrameIndexSDNode>(Addr)) {
@@ -147,6 +161,9 @@ SDNode *SparcDAGToDAGISel::Select(SDValue Op) {
 
   switch (N->getOpcode()) {
   default: break;
+  case SPISD::GLOBAL_BASE_REG:
+    return getGlobalBaseReg();
+
   case ISD::SDIV:
   case ISD::UDIV: {
     // FIXME: should use a custom expander to expose the SRA to the dag.
@@ -156,12 +173,12 @@ SDNode *SparcDAGToDAGISel::Select(SDValue Op) {
     // Set the Y register to the high-part.
     SDValue TopPart;
     if (N->getOpcode() == ISD::SDIV) {
-      TopPart = SDValue(CurDAG->getTargetNode(SP::SRAri, dl, MVT::i32, DivLHS,
+      TopPart = SDValue(CurDAG->getMachineNode(SP::SRAri, dl, MVT::i32, DivLHS,
                                    CurDAG->getTargetConstant(31, MVT::i32)), 0);
     } else {
       TopPart = CurDAG->getRegister(SP::G0, MVT::i32);
     }
-    TopPart = SDValue(CurDAG->getTargetNode(SP::WRYrr, dl, MVT::Flag, TopPart,
+    TopPart = SDValue(CurDAG->getMachineNode(SP::WRYrr, dl, MVT::Flag, TopPart,
                                      CurDAG->getRegister(SP::G0, MVT::i32)), 0);
 
     // FIXME: Handle div by immediate.
@@ -175,8 +192,8 @@ SDNode *SparcDAGToDAGISel::Select(SDValue Op) {
     SDValue MulLHS = N->getOperand(0);
     SDValue MulRHS = N->getOperand(1);
     unsigned Opcode = N->getOpcode() == ISD::MULHU ? SP::UMULrr : SP::SMULrr;
-    SDNode *Mul = CurDAG->getTargetNode(Opcode, dl, MVT::i32, MVT::Flag,
-                                        MulLHS, MulRHS);
+    SDNode *Mul = CurDAG->getMachineNode(Opcode, dl, MVT::i32, MVT::Flag,
+                                         MulLHS, MulRHS);
     // The high part is in the Y register.
     return CurDAG->SelectNodeTo(N, SP::RDY, MVT::i32, SDValue(Mul, 1));
     return NULL;