Rename SourceManager (and InstantiationInfo) isMacroArgInstantiation API
to isMacroArgExpansion.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@136053 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/TextDiagnosticPrinter.cpp b/lib/Frontend/TextDiagnosticPrinter.cpp
index f1659eb..c531ddd 100644
--- a/lib/Frontend/TextDiagnosticPrinter.cpp
+++ b/lib/Frontend/TextDiagnosticPrinter.cpp
@@ -300,7 +300,7 @@
                                                   SourceLocation StartLoc) {
   for (SourceLocation L = StartLoc; L.isMacroID();
        L = SM.getImmediateSpellingLoc(L)) {
-    if (SM.isMacroArgInstantiation(L))
+    if (SM.isMacroArgExpansion(L))
       return L;
   }
 
@@ -317,7 +317,7 @@
   // When we have the location of (part of) an expanded parameter, its spelling
   // location points to the argument as typed into the macro call, and
   // therefore is used to locate the macro caller.
-  if (SM.isMacroArgInstantiation(Loc))
+  if (SM.isMacroArgExpansion(Loc))
     return SM.getImmediateSpellingLoc(Loc);
 
   // Otherwise, the caller of the macro is located where this macro is
@@ -334,7 +334,7 @@
   // When we have the location of (part of) an expanded parameter, its
   // expansion location points to the unexpanded paramater reference within
   // the macro definition (or callee).
-  if (SM.isMacroArgInstantiation(Loc))
+  if (SM.isMacroArgExpansion(Loc))
     return SM.getImmediateExpansionRange(Loc).first;
 
   // Otherwise, the callee of the macro is located where this location was