[PowerPC] Remove unused parameter

The isDarwin parameter to the llvm::LowerPPCMachineInstrToMCInst
routine is now no longer needed; remove it.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@184441 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCMCInstLower.cpp b/lib/Target/PowerPC/PPCMCInstLower.cpp
index 7cecf25..284ab14 100644
--- a/lib/Target/PowerPC/PPCMCInstLower.cpp
+++ b/lib/Target/PowerPC/PPCMCInstLower.cpp
@@ -105,7 +105,7 @@
 }
 
 static MCOperand GetSymbolRef(const MachineOperand &MO, const MCSymbol *Symbol,
-                              AsmPrinter &Printer, bool isDarwin) {
+                              AsmPrinter &Printer) {
   MCContext &Ctx = Printer.OutContext;
   MCSymbolRefExpr::VariantKind RefKind = MCSymbolRefExpr::VK_None;
 
@@ -158,7 +158,7 @@
 }
 
 void llvm::LowerPPCMachineInstrToMCInst(const MachineInstr *MI, MCInst &OutMI,
-                                        AsmPrinter &AP, bool isDarwin) {
+                                        AsmPrinter &AP) {
   OutMI.setOpcode(MI->getOpcode());
   
   for (unsigned i = 0, e = MI->getNumOperands(); i != e; ++i) {
@@ -182,17 +182,17 @@
       break;
     case MachineOperand::MO_GlobalAddress:
     case MachineOperand::MO_ExternalSymbol:
-      MCOp = GetSymbolRef(MO, GetSymbolFromOperand(MO, AP), AP, isDarwin);
+      MCOp = GetSymbolRef(MO, GetSymbolFromOperand(MO, AP), AP);
       break;
     case MachineOperand::MO_JumpTableIndex:
-      MCOp = GetSymbolRef(MO, AP.GetJTISymbol(MO.getIndex()), AP, isDarwin);
+      MCOp = GetSymbolRef(MO, AP.GetJTISymbol(MO.getIndex()), AP);
       break;
     case MachineOperand::MO_ConstantPoolIndex:
-      MCOp = GetSymbolRef(MO, AP.GetCPISymbol(MO.getIndex()), AP, isDarwin);
+      MCOp = GetSymbolRef(MO, AP.GetCPISymbol(MO.getIndex()), AP);
       break;
     case MachineOperand::MO_BlockAddress:
-      MCOp = GetSymbolRef(MO,AP.GetBlockAddressSymbol(MO.getBlockAddress()),AP,
-                          isDarwin);
+      MCOp = GetSymbolRef(MO, AP.GetBlockAddressSymbol(MO.getBlockAddress()),
+                          AP);
       break;
     case MachineOperand::MO_RegisterMask:
       continue;