[PowerPC][NFC] Use inline Subtarget->isPPC64()

To be consistent with all the other instances.

llvm-svn: 370428

Author: Jinsong Ji

llvm/lib/Target/PowerPC/PPCAsmPrinter.cpp

@@ -511,7 +511,6 @@ void PPCAsmPrinter::EmitTlsCall(const MachineInstr *MI,
 ///
 void PPCAsmPrinter::EmitInstruction(const MachineInstr *MI) {
   MCInst TmpInst;
-  bool isPPC64 = Subtarget->isPPC64();
   bool isDarwin = TM.getTargetTriple().isOSDarwin();
   const Module *M = MF->getFunction().getParent();
   PICLevel::Level PL = M->getPICLevel();
@@ -865,15 +864,15 @@ void PPCAsmPrinter::EmitInstruction(const MachineInstr *MI) {
     LowerPPCMachineInstrToMCInst(MI, TmpInst, *this, isDarwin);
 
     // Change the opcode to LD.
-    TmpInst.setOpcode(isPPC64 ? PPC::LD : PPC::LWZ);
+    TmpInst.setOpcode(Subtarget->isPPC64() ? PPC::LD : PPC::LWZ);
     const MachineOperand &MO = MI->getOperand(1);
     const GlobalValue *GValue = MO.getGlobal();
     MCSymbol *MOSymbol = getSymbol(GValue);
-    const MCExpr *Exp =
-        MCSymbolRefExpr::create(MOSymbol,
-                                isPPC64 ? MCSymbolRefExpr::VK_PPC_GOT_TPREL_LO
-                                        : MCSymbolRefExpr::VK_PPC_GOT_TPREL,
-                                OutContext);
+    const MCExpr *Exp = MCSymbolRefExpr::create(
+        MOSymbol,
+        Subtarget->isPPC64() ? MCSymbolRefExpr::VK_PPC_GOT_TPREL_LO
+                             : MCSymbolRefExpr::VK_PPC_GOT_TPREL,
+        OutContext);
     TmpInst.getOperand(1) = MCOperand::createExpr(Exp);
     EmitToStreamer(*OutStreamer, TmpInst);
     return;