1 files changed, 26 insertions, 3 deletions
diff --git a/lib/Target/PTX/PTXRegisterInfo.cpp b/lib/Target/PTX/PTXRegisterInfo.cpp
index cb56ea98a2b8d..c8062664a93b8 100644
--- a/lib/Target/PTX/PTXRegisterInfo.cpp
+++ b/lib/Target/PTX/PTXRegisterInfo.cpp
@@ -14,6 +14,9 @@
 #include "PTX.h"
 #include "PTXRegisterInfo.h"
 #include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/CodeGen/MachineInstrBuilder.h"
+#include "llvm/CodeGen/MachineRegisterInfo.h"
+#include "llvm/Target/TargetInstrInfo.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/raw_ostream.h"
 
@@ -23,15 +26,23 @@
 using namespace llvm;
 
 PTXRegisterInfo::PTXRegisterInfo(PTXTargetMachine &TM,
-                                 const TargetInstrInfo &TII)
-  : PTXGenRegisterInfo() {
+                                 const TargetInstrInfo &tii)
+  // PTX does not have a return address register.
+  : PTXGenRegisterInfo(0), TII(tii) {
 }
 
 void PTXRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
                                           int SPAdj,
                                           RegScavenger *RS) const {
   unsigned Index;
-  MachineInstr& MI = *II;
+  MachineInstr &MI = *II;
+  //MachineBasicBlock &MBB = *MI.getParent();
+  //DebugLoc dl = MI.getDebugLoc();
+  //MachineRegisterInfo &MRI = MI.getParent()->getParent()->getRegInfo();
+
+  //unsigned Reg = MRI.createVirtualRegister(PTX::RegF32RegisterClass);
+
+  llvm_unreachable("FrameIndex should have been previously eliminated!");
 
   Index = 0;
   while (!MI.getOperand(Index).isFI()) {
@@ -46,6 +57,18 @@ void PTXRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
   DEBUG(dbgs() << "- SPAdj: " << SPAdj << "\n");
   DEBUG(dbgs() << "- FrameIndex: " << FrameIndex << "\n");
 
+  //MachineInstr* MI2 = BuildMI(MBB, II, dl, TII.get(PTX::LOAD_LOCAL_F32))
+  //.addReg(Reg, RegState::Define).addImm(FrameIndex);
+  //if (MI2->findFirstPredOperandIdx() == -1) {
+  //  MI2->addOperand(MachineOperand::CreateReg(PTX::NoRegister, /*IsDef=*/false));
+  //  MI2->addOperand(MachineOperand::CreateImm(PTX::PRED_NORMAL));
+  //}
+  //MI2->dump();
+
+  //MachineOperand ESOp = MachineOperand::CreateES("__local__");
+
   // This frame index is post stack slot re-use assignments
+  //MI.getOperand(Index).ChangeToRegister(Reg, false);
   MI.getOperand(Index).ChangeToImmediate(FrameIndex);
+  //MI.getOperand(Index) = ESOp;
 }