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/CodeGen/CGDebugInfo.cpp b/lib/CodeGen/CGDebugInfo.cpp
index 9cfb71e..44c16a3 100644
--- a/lib/CodeGen/CGDebugInfo.cpp
+++ b/lib/CodeGen/CGDebugInfo.cpp
@@ -51,7 +51,7 @@
 
 void CGDebugInfo::setLocation(SourceLocation Loc) {
   if (Loc.isValid())
-    CurLoc = CGM.getContext().getSourceManager().getInstantiationLoc(Loc);
+    CurLoc = CGM.getContext().getSourceManager().getExpansionLoc(Loc);
 }
 
 /// getContextDescriptor - Get context info for the decl.
@@ -1740,7 +1740,7 @@
   // Don't bother if things are the same as last time.
   SourceManager &SM = CGM.getContext().getSourceManager();
   if (CurLoc == PrevLoc || 
-      SM.getInstantiationLoc(CurLoc) == SM.getInstantiationLoc(PrevLoc))
+      SM.getExpansionLoc(CurLoc) == SM.getExpansionLoc(PrevLoc))
     // New Builder may not be in sync with CGDebugInfo.
     if (!Builder.getCurrentDebugLocation().isUnknown())
       return;