[CallSite removal] Port `IndirectCallSiteVisitor` to use `CallBase` and
update client code.

Also rename it to use the more generic term `call` instead of something
that could be confused with a praticular type.

Differential Revision: https://reviews.llvm.org/D56183

llvm-svn: 350508
diff --git a/llvm/lib/Analysis/IndirectCallPromotionAnalysis.cpp b/llvm/lib/Analysis/IndirectCallPromotionAnalysis.cpp
index 4659c0a..d6e6e76 100644
--- a/llvm/lib/Analysis/IndirectCallPromotionAnalysis.cpp
+++ b/llvm/lib/Analysis/IndirectCallPromotionAnalysis.cpp
@@ -15,7 +15,7 @@
 
 #include "llvm/Analysis/IndirectCallPromotionAnalysis.h"
 #include "llvm/ADT/STLExtras.h"
-#include "llvm/Analysis/IndirectCallSiteVisitor.h"
+#include "llvm/Analysis/IndirectCallVisitor.h"
 #include "llvm/IR/CallSite.h"
 #include "llvm/IR/InstIterator.h"
 #include "llvm/IR/InstVisitor.h"