MC: Clean up MCExpr naming. NFC.

llvm-svn: 238634
diff --git a/llvm/lib/Target/PowerPC/PPCMCInstLower.cpp b/llvm/lib/Target/PowerPC/PPCMCInstLower.cpp
index f1e2865..05cb6e1 100644
--- a/llvm/lib/Target/PowerPC/PPCMCInstLower.cpp
+++ b/llvm/lib/Target/PowerPC/PPCMCInstLower.cpp
@@ -142,28 +142,28 @@
   if (MO.getTargetFlags() == PPCII::MO_PLT_OR_STUB && !isDarwin)
     RefKind = MCSymbolRefExpr::VK_PLT;
 
-  const MCExpr *Expr = MCSymbolRefExpr::Create(Symbol, RefKind, Ctx);
+  const MCExpr *Expr = MCSymbolRefExpr::create(Symbol, RefKind, Ctx);
 
   if (!MO.isJTI() && MO.getOffset())
-    Expr = MCBinaryExpr::CreateAdd(Expr,
-                                   MCConstantExpr::Create(MO.getOffset(), Ctx),
+    Expr = MCBinaryExpr::createAdd(Expr,
+                                   MCConstantExpr::create(MO.getOffset(), Ctx),
                                    Ctx);
 
   // Subtract off the PIC base if required.
   if (MO.getTargetFlags() & PPCII::MO_PIC_FLAG) {
     const MachineFunction *MF = MO.getParent()->getParent()->getParent();
     
-    const MCExpr *PB = MCSymbolRefExpr::Create(MF->getPICBaseSymbol(), Ctx);
-    Expr = MCBinaryExpr::CreateSub(Expr, PB, Ctx);
+    const MCExpr *PB = MCSymbolRefExpr::create(MF->getPICBaseSymbol(), Ctx);
+    Expr = MCBinaryExpr::createSub(Expr, PB, Ctx);
   }
 
   // Add ha16() / lo16() markers if required.
   switch (access) {
     case PPCII::MO_LO:
-      Expr = PPCMCExpr::CreateLo(Expr, isDarwin, Ctx);
+      Expr = PPCMCExpr::createLo(Expr, isDarwin, Ctx);
       break;
     case PPCII::MO_HA:
-      Expr = PPCMCExpr::CreateHa(Expr, isDarwin, Ctx);
+      Expr = PPCMCExpr::createHa(Expr, isDarwin, Ctx);
       break;
   }
 
@@ -193,7 +193,7 @@
       MCOp = MCOperand::createImm(MO.getImm());
       break;
     case MachineOperand::MO_MachineBasicBlock:
-      MCOp = MCOperand::createExpr(MCSymbolRefExpr::Create(
+      MCOp = MCOperand::createExpr(MCSymbolRefExpr::create(
                                       MO.getMBB()->getSymbol(), AP.OutContext));
       break;
     case MachineOperand::MO_GlobalAddress: