[SystemZ] Prefer LHI;ST... over LAY;MV...

[oota-llvm.git] / lib / Target / Hexagon / HexagonRegisterInfo.cpp

diff --git a/lib/Target/Hexagon/HexagonRegisterInfo.cpp b/lib/Target/Hexagon/HexagonRegisterInfo.cpp
index d8b4e2fcb3688b29cfcf4c7b70be9d382aab7fe6..d5ca4d711fd917f0462ca1740dfa47c8a926752c 100644 (file)
--- a/lib/Target/Hexagon/HexagonRegisterInfo.cpp
+++ b/lib/Target/Hexagon/HexagonRegisterInfo.cpp
@@ -38,11 +38,9 @@
 using namespace llvm;
 
 
-HexagonRegisterInfo::HexagonRegisterInfo(HexagonSubtarget &st,
-                                     const HexagonInstrInfo &tii)
+HexagonRegisterInfo::HexagonRegisterInfo(HexagonSubtarget &st)
   : HexagonGenRegisterInfo(Hexagon::R31),
-    Subtarget(st),
-   TII(tii) {
+    Subtarget(st) {
 }
 
 const uint16_t* HexagonRegisterInfo::getCalleeSavedRegs(const MachineFunction
@@ -130,6 +128,8 @@ void HexagonRegisterInfo::eliminateFrameIndex(MachineBasicBlock::iterator II,
 
   // Addressable stack objects are accessed using neg. offsets from %fp.
   MachineFunction &MF = *MI.getParent()->getParent();
+  const HexagonInstrInfo &TII =
+    *static_cast<const HexagonInstrInfo*>(MF.getTarget().getInstrInfo());
   int Offset = MF.getFrameInfo()->getObjectOffset(FrameIndex);
   MachineFrameInfo &MFI = *MF.getFrameInfo();
 
@@ -295,16 +295,6 @@ unsigned HexagonRegisterInfo::getStackRegister() const {
   return Hexagon::R29;
 }
 
-void HexagonRegisterInfo::getInitialFrameState(std::vector<MachineMove>
-                                               &Moves)  const
-{
-  // VirtualFP = (R30 + #0).
-  unsigned FPReg = getFrameRegister();
-  MachineLocation Dst(MachineLocation::VirtualFP);
-  MachineLocation Src(FPReg, 0);
-  Moves.push_back(MachineMove(0, Dst, Src));
-}
-
 unsigned HexagonRegisterInfo::getEHExceptionRegister() const {
   llvm_unreachable("What is the exception register");
 }