From 63b37f122d592c7451090ea32281686de967fcd4 Mon Sep 17 00:00:00 2001
From: Akira Hatanaka <ahatanaka@mips.com>
Date: Thu, 14 Jun 2012 01:20:12 +0000
Subject: [PATCH] Remove code in MipsAsmPrinter and MipsMCInstLower.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158434 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/Mips/MipsAsmPrinter.cpp  |  9 ---------
 lib/Target/Mips/MipsMCInstLower.cpp | 22 ++--------------------
 lib/Target/Mips/MipsMCInstLower.h   |  1 -
 3 files changed, 2 insertions(+), 30 deletions(-)

diff --git a/lib/Target/Mips/MipsAsmPrinter.cpp b/lib/Target/Mips/MipsAsmPrinter.cpp
index df0703f77e4..2c8b19b5251 100644
--- a/lib/Target/Mips/MipsAsmPrinter.cpp
+++ b/lib/Target/Mips/MipsAsmPrinter.cpp
@@ -230,15 +230,6 @@ void MipsAsmPrinter::EmitFunctionBodyStart() {
     if (MipsFI->getEmitNOAT())
       OutStreamer.EmitRawText(StringRef("\t.set\tnoat"));
   }
-
-  if ((MF->getTarget().getRelocationModel() == Reloc::PIC_) &&
-      Subtarget->isABI_O32() && MipsFI->globalBaseRegSet()) {
-    SmallVector<MCInst, 4> MCInsts;
-    MCInstLowering.LowerSETGP01(MCInsts);
-    for (SmallVector<MCInst, 4>::iterator I = MCInsts.begin();
-         I != MCInsts.end(); ++I)
-      OutStreamer.EmitInstruction(*I);
-  }
 }
 
 /// EmitFunctionBodyEnd - Targets can override this to emit stuff after
diff --git a/lib/Target/Mips/MipsMCInstLower.cpp b/lib/Target/Mips/MipsMCInstLower.cpp
index 161762ccf88..c92811a78a9 100644
--- a/lib/Target/Mips/MipsMCInstLower.cpp
+++ b/lib/Target/Mips/MipsMCInstLower.cpp
@@ -109,6 +109,7 @@ MCOperand MipsMCInstLower::LowerSymbolOperand(const MachineOperand &MO,
   return MCOperand::CreateExpr(AddExpr);
 }
 
+/*
 static void CreateMCInst(MCInst& Inst, unsigned Opc, const MCOperand& Opnd0,
                          const MCOperand& Opnd1,
                          const MCOperand& Opnd2 = MCOperand()) {
@@ -118,6 +119,7 @@ static void CreateMCInst(MCInst& Inst, unsigned Opc, const MCOperand& Opnd0,
   if (Opnd2.isValid())
     Inst.addOperand(Opnd2);
 }
+*/
 
 MCOperand MipsMCInstLower::LowerOperand(const MachineOperand& MO,
                                         unsigned offset) const {
@@ -156,23 +158,3 @@ void MipsMCInstLower::Lower(const MachineInstr *MI, MCInst &OutMI) const {
       OutMI.addOperand(MCOp);
   }
 }
-
-// Create the following two instructions:
-//  "lui   $2, %hi(_gp_disp)"
-//  "addiu $2, $2, %lo(_gp_disp)"
-void MipsMCInstLower::LowerSETGP01(SmallVector<MCInst, 4>& MCInsts) {
-  MCOperand RegOpnd = MCOperand::CreateReg(Mips::V0);
-  StringRef SymName("_gp_disp");
-  const MCSymbol *Sym = Ctx->GetOrCreateSymbol(SymName);
-  const MCSymbolRefExpr *MCSym;
-
-  MCSym = MCSymbolRefExpr::Create(Sym, MCSymbolRefExpr::VK_Mips_ABS_HI, *Ctx);
-  MCOperand SymHi = MCOperand::CreateExpr(MCSym);
-  MCSym = MCSymbolRefExpr::Create(Sym, MCSymbolRefExpr::VK_Mips_ABS_LO, *Ctx);
-  MCOperand SymLo = MCOperand::CreateExpr(MCSym);
-
-  MCInsts.resize(2);
-
-  CreateMCInst(MCInsts[0], Mips::LUi, RegOpnd, SymHi);
-  CreateMCInst(MCInsts[1], Mips::ADDiu, RegOpnd, RegOpnd, SymLo);
-}
diff --git a/lib/Target/Mips/MipsMCInstLower.h b/lib/Target/Mips/MipsMCInstLower.h
index 0f4944e4230..2b9c834e599 100644
--- a/lib/Target/Mips/MipsMCInstLower.h
+++ b/lib/Target/Mips/MipsMCInstLower.h
@@ -33,7 +33,6 @@ public:
   MipsMCInstLower(MipsAsmPrinter &asmprinter);
   void Initialize(Mangler *mang, MCContext* C);
   void Lower(const MachineInstr *MI, MCInst &OutMI) const;
-  void LowerSETGP01(SmallVector<MCInst, 4>& MCInsts);
 private:
   MCOperand LowerSymbolOperand(const MachineOperand &MO,
                                MachineOperandType MOTy, unsigned Offset) const;
-- 
2.34.1