Mechanically rename SourceManager::getInstantiationLoc and
FullSourceLoc::getInstantiationLoc to ...::getExpansionLoc. This is part
of the API and documentation update from 'instantiation' as the term for
macros to 'expansion'.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@135914 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/DependencyFile.cpp b/lib/Frontend/DependencyFile.cpp
index 9cffed2..8435864 100644
--- a/lib/Frontend/DependencyFile.cpp
+++ b/lib/Frontend/DependencyFile.cpp
@@ -123,7 +123,7 @@
   SourceManager &SM = PP->getSourceManager();
 
   const FileEntry *FE =
-    SM.getFileEntryForID(SM.getFileID(SM.getInstantiationLoc(Loc)));
+    SM.getFileEntryForID(SM.getFileID(SM.getExpansionLoc(Loc)));
   if (FE == 0) return;
 
   StringRef Filename = FE->getName();