MC: Clean up method names in MCContext.

The naming was a mish-mash of old and new style. Update to be consistent
with the new. NFC.

llvm-svn: 237594
diff --git a/llvm/lib/CodeGen/StackMaps.cpp b/llvm/lib/CodeGen/StackMaps.cpp
index b5a961d..c1aa8c1 100644
--- a/llvm/lib/CodeGen/StackMaps.cpp
+++ b/llvm/lib/CodeGen/StackMaps.cpp
@@ -274,7 +274,7 @@
                                     bool recordResult) {
 
   MCContext &OutContext = AP.OutStreamer->getContext();
-  MCSymbol *MILabel = OutContext.CreateTempSymbol();
+  MCSymbol *MILabel = OutContext.createTempSymbol();
   AP.OutStreamer->EmitLabel(MILabel);
 
   LocationVec Locations;
@@ -529,7 +529,7 @@
   OS.SwitchSection(StackMapSection);
 
   // Emit a dummy symbol to force section inclusion.
-  OS.EmitLabel(OutContext.GetOrCreateSymbol(Twine("__LLVM_StackMaps")));
+  OS.EmitLabel(OutContext.getOrCreateSymbol(Twine("__LLVM_StackMaps")));
 
   // Serialize data.
   DEBUG(dbgs() << "********** Stack Map Output **********\n");