Thumb2 BFC was insufficiently encoded.

[oota-llvm.git] / lib / Target / ARM / ARMMCInstLower.cpp

diff --git a/lib/Target/ARM/ARMMCInstLower.cpp b/lib/Target/ARM/ARMMCInstLower.cpp
index d9c5bcd4f4888f846642a9b6161098d428f32766..59d60506fc0f2c2cb930068305d5fc7b93debfae 100644 (file)
--- a/lib/Target/ARM/ARMMCInstLower.cpp
+++ b/lib/Target/ARM/ARMMCInstLower.cpp
@@ -12,52 +12,56 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "ARMMCInstLower.h"
 #include "ARM.h"
-#include "llvm/CodeGen/AsmPrinter.h"
+#include "ARMAsmPrinter.h"
+#include "ARMMCExpr.h"
 #include "llvm/Constants.h"
 #include "llvm/CodeGen/MachineBasicBlock.h"
-#include "llvm/MC/MCAsmInfo.h"
-#include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCExpr.h"
 #include "llvm/MC/MCInst.h"
 #include "llvm/Target/Mangler.h"
-#include "llvm/Support/raw_ostream.h"
-#include "llvm/ADT/SmallString.h"
 using namespace llvm;
 
-MCSymbol *ARMMCInstLower::GetGlobalAddressSymbol(const GlobalValue *GV) const {
-  return Printer.Mang->getSymbol(GV);
-}
 
-MCOperand ARMMCInstLower::
-GetSymbolRef(const MachineOperand &MO, const MCSymbol *Symbol) const {
+static MCOperand GetSymbolRef(const MachineOperand &MO, const MCSymbol *Symbol,
+                              ARMAsmPrinter &Printer) {
+  MCContext &Ctx = Printer.OutContext;
   const MCExpr *Expr;
   switch (MO.getTargetFlags()) {
-  default: assert(0 && "Unknown target flag on symbol operand");
-  case 0:
+  default: {
     Expr = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_None, Ctx);
+    switch (MO.getTargetFlags()) {
+    default:
+      assert(0 && "Unknown target flag on symbol operand");
+    case 0:
+      break;
+    case ARMII::MO_LO16:
+      Expr = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_None, Ctx);
+      Expr = ARMMCExpr::CreateLower16(Expr, Ctx);
+      break;
+    case ARMII::MO_HI16:
+      Expr = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_None, Ctx);
+      Expr = ARMMCExpr::CreateUpper16(Expr, Ctx);
+      break;
+    }
     break;
-  case ARMII::MO_LO16:
-    Expr = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_ARM_LO16, Ctx);
-    break;
-  case ARMII::MO_HI16:
-    Expr = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_ARM_HI16, Ctx);
-    break;
+  }
+
   case ARMII::MO_PLT:
     Expr = MCSymbolRefExpr::Create(Symbol, MCSymbolRefExpr::VK_ARM_PLT, Ctx);
     break;
   }
-  
+
   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 {
+void llvm::LowerARMMachineInstrToMCInst(const MachineInstr *MI, MCInst &OutMI,
+                                        ARMAsmPrinter &AP) {
   OutMI.setOpcode(MI->getOpcode());
 
   for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
@@ -79,34 +83,33 @@ void ARMMCInstLower::Lower(const MachineInstr *MI, MCInst &OutMI) const {
       break;
     case MachineOperand::MO_MachineBasicBlock:
       MCOp = MCOperand::CreateExpr(MCSymbolRefExpr::Create(
-                       MO.getMBB()->getSymbol(), Ctx));
+                       MO.getMBB()->getSymbol(), AP.OutContext));
       break;
     case MachineOperand::MO_GlobalAddress:
-      MCOp = GetSymbolRef(MO, GetGlobalAddressSymbol(MO.getGlobal()));
+      MCOp = GetSymbolRef(MO, AP.Mang->getSymbol(MO.getGlobal()), AP);
       break;
     case MachineOperand::MO_ExternalSymbol:
-      MCOp = GetSymbolRef(MO, 
-                          Printer.GetExternalSymbolSymbol(MO.getSymbolName()));
+      MCOp = GetSymbolRef(MO,
+                          AP.GetExternalSymbolSymbol(MO.getSymbolName()), AP);
       break;
     case MachineOperand::MO_JumpTableIndex:
-      MCOp = GetSymbolRef(MO, Printer.GetJTISymbol(MO.getIndex()));
+      MCOp = GetSymbolRef(MO, AP.GetJTISymbol(MO.getIndex()), AP);
       break;
     case MachineOperand::MO_ConstantPoolIndex:
-      MCOp = GetSymbolRef(MO, Printer.GetCPISymbol(MO.getIndex()));
+      MCOp = GetSymbolRef(MO, AP.GetCPISymbol(MO.getIndex()), AP);
       break;
     case MachineOperand::MO_BlockAddress:
-      MCOp = GetSymbolRef(MO,
-                          Printer.GetBlockAddressSymbol(MO.getBlockAddress()));
+      MCOp = GetSymbolRef(MO,AP.GetBlockAddressSymbol(MO.getBlockAddress()),AP);
       break;
-    case MachineOperand::MO_FPImmediate:
+    case MachineOperand::MO_FPImmediate: {
       APFloat Val = MO.getFPImm()->getValueAPF();
       bool ignored;
       Val.convert(APFloat::IEEEdouble, APFloat::rmTowardZero, &ignored);
       MCOp = MCOperand::CreateFPImm(Val.convertToDouble());
       break;
     }
+    }
 
     OutMI.addOperand(MCOp);
   }
-
 }