From de36af4c157b0df6fd089b8fe965904761c2b5e1 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Sun, 14 Nov 2010 20:40:08 +0000
Subject: more simplifications.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@119067 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/ARM/ARMMCInstLower.cpp | 101 +++++++-------------------------------
 1 file changed, 17 insertions(+), 84 deletions(-)

(limited to 'lib/Target/ARM/ARMMCInstLower.cpp')

diff --git a/lib/Target/ARM/ARMMCInstLower.cpp b/lib/Target/ARM/ARMMCInstLower.cpp
index 12ad3ec574..d9c5bcd4f4 100644
--- a/lib/Target/ARM/ARMMCInstLower.cpp
+++ b/lib/Target/ARM/ARMMCInstLower.cpp
@@ -30,100 +30,33 @@ MCSymbol *ARMMCInstLower::GetGlobalAddressSymbol(const GlobalValue *GV) const {
   return Printer.Mang->getSymbol(GV);
 }
 
-const MCSymbolRefExpr *ARMMCInstLower::
-GetSymbolRef(const MachineOperand &MO) const {
-  assert(MO.isGlobal() && "Isn't a global address reference?");
-
-  const MCSymbolRefExpr *SymRef;
-  const MCSymbol *Symbol = GetGlobalAddressSymbol(MO.getGlobal());
-
-  switch (MO.getTargetFlags()) {
-  default: assert(0 && "Unknown target flag on GV operand");
-  case 0:
-    SymRef = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_None, Ctx);
-    break;
-  case ARMII::MO_LO16:
-    SymRef = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_ARM_LO16, Ctx);
-    break;
-  case ARMII::MO_HI16:
-    SymRef = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_ARM_HI16, Ctx);
-    break;
-  case ARMII::MO_PLT:
-    SymRef = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_ARM_PLT, Ctx);
-    break;
-  }
-
-  return SymRef;
-}
-
-const MCSymbolRefExpr *ARMMCInstLower::
-GetExternalSymbolSymbol(const MachineOperand &MO) const {
-  const MCSymbolRefExpr *SymRef;
-  const MCSymbol *Symbol = Printer.GetExternalSymbolSymbol(MO.getSymbolName());
-
+MCOperand ARMMCInstLower::
+GetSymbolRef(const MachineOperand &MO, const MCSymbol *Symbol) const {
+  const MCExpr *Expr;
   switch (MO.getTargetFlags()) {
-  default: assert(0 && "Unknown target flag on external symbol operand");
+  default: assert(0 && "Unknown target flag on symbol operand");
   case 0:
-    SymRef = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_None, Ctx);
+    Expr = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_None, Ctx);
     break;
   case ARMII::MO_LO16:
-    SymRef = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_ARM_LO16, Ctx);
+    Expr = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_ARM_LO16, Ctx);
     break;
   case ARMII::MO_HI16:
-    SymRef = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_ARM_HI16, Ctx);
+    Expr = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_ARM_HI16, Ctx);
     break;
   case ARMII::MO_PLT:
-    SymRef = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_ARM_PLT, Ctx);
+    Expr = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_ARM_PLT, Ctx);
     break;
   }
-
-  return SymRef;
-}
-
-
-
-const MCSymbolRefExpr *ARMMCInstLower::
-GetJumpTableSymbol(const MachineOperand &MO) const {
-  SmallString<256> Name;
-  raw_svector_ostream(Name) << Printer.MAI->getPrivateGlobalPrefix() << "JTI"
-    << Printer.getFunctionNumber() << '_' << MO.getIndex();
-
-  switch (MO.getTargetFlags()) {
-  default: assert(0 && "Unknown target flag on jump table operand");
-  case 0: break;
-  }
-
-  // Create a symbol for the name.
-  return MCSymbolRefExpr::Create(Ctx.GetOrCreateSymbol(Name.str()), Ctx);
-}
-
-const MCSymbolRefExpr *ARMMCInstLower::
-GetConstantPoolIndexSymbol(const MachineOperand &MO) const {
-  SmallString<256> Name;
-  raw_svector_ostream(Name) << Printer.MAI->getPrivateGlobalPrefix() << "CPI"
-    << Printer.getFunctionNumber() << '_' << MO.getIndex();
-
-  switch (MO.getTargetFlags()) {
-  default: assert(0 && "Unknown target flag on CPI operand");
-  case 0: break;
-  }
-
-  // Create a symbol for the name.
-  return MCSymbolRefExpr::Create(Ctx.GetOrCreateSymbol(Name.str()), Ctx);
-}
-
-MCOperand ARMMCInstLower::
-LowerSymbolRefOperand(const MachineOperand &MO,
-                      const MCSymbolRefExpr *Sym) const {
-  const MCExpr *Expr = Sym;
+  
   if (!MO.isJTI() && MO.getOffset())
     Expr = MCBinaryExpr::CreateAdd(Expr,
                                    MCConstantExpr::Create(MO.getOffset(), Ctx),
                                    Ctx);
   return MCOperand::CreateExpr(Expr);
+  
 }
 
-
 void ARMMCInstLower::Lower(const MachineInstr *MI, MCInst &OutMI) const {
   OutMI.setOpcode(MI->getOpcode());
 
@@ -149,21 +82,21 @@ void ARMMCInstLower::Lower(const MachineInstr *MI, MCInst &OutMI) const {
                        MO.getMBB()->getSymbol(), Ctx));
       break;
     case MachineOperand::MO_GlobalAddress:
-      MCOp = LowerSymbolRefOperand(MO, GetSymbolRef(MO));
+      MCOp = GetSymbolRef(MO, GetGlobalAddressSymbol(MO.getGlobal()));
       break;
     case MachineOperand::MO_ExternalSymbol:
-      MCOp = LowerSymbolRefOperand(MO, GetExternalSymbolSymbol(MO));
+      MCOp = GetSymbolRef(MO, 
+                          Printer.GetExternalSymbolSymbol(MO.getSymbolName()));
       break;
     case MachineOperand::MO_JumpTableIndex:
-      MCOp = LowerSymbolRefOperand(MO, GetJumpTableSymbol(MO));
+      MCOp = GetSymbolRef(MO, Printer.GetJTISymbol(MO.getIndex()));
       break;
     case MachineOperand::MO_ConstantPoolIndex:
-      MCOp = LowerSymbolRefOperand(MO, GetConstantPoolIndexSymbol(MO));
+      MCOp = GetSymbolRef(MO, Printer.GetCPISymbol(MO.getIndex()));
       break;
     case MachineOperand::MO_BlockAddress:
-      MCOp = LowerSymbolRefOperand(MO,
-                    MCSymbolRefExpr::Create(Printer.GetBlockAddressSymbol(
-                                              MO.getBlockAddress()), Ctx));
+      MCOp = GetSymbolRef(MO,
+                          Printer.GetBlockAddressSymbol(MO.getBlockAddress()));
       break;
     case MachineOperand::MO_FPImmediate:
       APFloat Val = MO.getFPImm()->getValueAPF();
-- 
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