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/Lex/Lexer.cpp b/lib/Lex/Lexer.cpp
index 575cb4a..0ea8c12 100644
--- a/lib/Lex/Lexer.cpp
+++ b/lib/Lex/Lexer.cpp
@@ -394,7 +394,7 @@
 
   // If this comes from a macro expansion, we really do want the macro name, not
   // the token this macro expanded to.
-  Loc = SM.getInstantiationLoc(Loc);
+  Loc = SM.getExpansionLoc(Loc);
   std::pair<FileID, unsigned> LocInfo = SM.getDecomposedLoc(Loc);
   bool Invalid = false;
   StringRef Buffer = SM.getBufferData(LocInfo.first, &Invalid);
diff --git a/lib/Lex/TokenLexer.cpp b/lib/Lex/TokenLexer.cpp
index aab72e0..22f94e0 100644
--- a/lib/Lex/TokenLexer.cpp
+++ b/lib/Lex/TokenLexer.cpp
@@ -55,7 +55,7 @@
     // definition. Tokens that get lexed directly from the definition will
     // have their locations pointing inside this chunk. This is to avoid
     // creating separate source location entries for each token.
-    SourceLocation macroStart = SM.getInstantiationLoc(Tokens[0].getLocation());
+    SourceLocation macroStart = SM.getExpansionLoc(Tokens[0].getLocation());
     MacroDefStartInfo = SM.getDecomposedLoc(macroStart);
     MacroExpansionStart = SM.createInstantiationLoc(macroStart,
                                               ExpandLocStart,