[AsmPrinter] De-capitalize all AsmPrinter::Emit* but EmitInstruction

Similar to rL328848.
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
index 509400b..77f48b9 100644
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -2164,7 +2164,7 @@
       AlignmentCI = ConstantInt::get(AlignmentCI->getType(),
                                      llvm::Value::MaximumAlignment);
 
-    EmitAlignmentAssumption(PtrValue, Ptr,
+    emitAlignmentAssumption(PtrValue, Ptr,
                             /*The expr loc is sufficient.*/ SourceLocation(),
                             AlignmentCI, OffsetValue);
     return RValue::get(PtrValue);
@@ -14555,7 +14555,7 @@
     Result = Builder.CreatePointerCast(Result, Args.SrcType);
     // Emit an alignment assumption to ensure that the new alignment is
     // propagated to loads/stores, etc.
-    EmitAlignmentAssumption(Result, E, E->getExprLoc(), Args.Alignment);
+    emitAlignmentAssumption(Result, E, E->getExprLoc(), Args.Alignment);
   }
   assert(Result->getType() == Args.SrcType);
   return RValue::get(Result);