Make function loadImmediate a member of MipsSEInstrInfo and change it to return

the temporary register that was used to load the immediate. Currently, it always
returns register $at, but this will change if, in the future, we decide to use 
another register.

No changes in functionality.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@162417 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 0 insertions, 43 deletions

diff --git a/lib/Target/Mips/MipsInstrInfo.cpp b/lib/Target/Mips/MipsInstrInfo.cpp
index 50e3eb534e..8ade891ab5 100644
--- a/lib/Target/Mips/MipsInstrInfo.cpp
+++ b/lib/Target/Mips/MipsInstrInfo.cpp
@@ -262,46 +262,3 @@ unsigned MipsInstrInfo::GetInstSizeInBytes(const MachineInstr *MI) const {
   }
   }
 }
-
-unsigned
-llvm::Mips::loadImmediate(int64_t Imm, bool IsN64, const TargetInstrInfo &TII,
-                          MachineBasicBlock& MBB,
-                          MachineBasicBlock::iterator II, DebugLoc DL,
-                          bool LastInstrIsADDiu,
-                          MipsAnalyzeImmediate::Inst *LastInst) {
-  MipsAnalyzeImmediate AnalyzeImm;
-  unsigned Size = IsN64 ? 64 : 32;
-  unsigned LUi = IsN64 ? Mips::LUi64 : Mips::LUi;
-  unsigned ZEROReg = IsN64 ? Mips::ZERO_64 : Mips::ZERO;
-  unsigned ATReg = IsN64 ? Mips::AT_64 : Mips::AT;
-
-  const MipsAnalyzeImmediate::InstSeq &Seq =
-    AnalyzeImm.Analyze(Imm, Size, LastInstrIsADDiu);
-  MipsAnalyzeImmediate::InstSeq::const_iterator Inst = Seq.begin();
-
-  if (LastInst && (Seq.size() == 1)) {
-    *LastInst = *Inst;
-    return 0;
-  }
-
-  // The first instruction can be a LUi, which is different from other
-  // instructions (ADDiu, ORI and SLL) in that it does not have a register
-  // operand.
-  if (Inst->Opc == LUi)
-    BuildMI(MBB, II, DL, TII.get(LUi), ATReg)
-      .addImm(SignExtend64<16>(Inst->ImmOpnd));
-  else
-    BuildMI(MBB, II, DL, TII.get(Inst->Opc), ATReg).addReg(ZEROReg)
-      .addImm(SignExtend64<16>(Inst->ImmOpnd));
-
-  // Build the remaining instructions in Seq. Skip the last instruction if
-  // LastInst is not 0.
-  for (++Inst; Inst != Seq.end() - !!LastInst; ++Inst)
-    BuildMI(MBB, II, DL, TII.get(Inst->Opc), ATReg).addReg(ATReg)
-      .addImm(SignExtend64<16>(Inst->ImmOpnd));
-
-  if (LastInst)
-    *LastInst = *Inst;
-
-  return Seq.size() - !!LastInst;
-}