Rename isWeakForLinker to mayBeOverridden.  Use it
instead of hasWeakLinkage in a bunch of optimization
passes.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56782 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/IA64/IA64AsmPrinter.cpp b/lib/Target/IA64/IA64AsmPrinter.cpp
index 0d04bf5..a2c8746 100644
--- a/lib/Target/IA64/IA64AsmPrinter.cpp
+++ b/lib/Target/IA64/IA64AsmPrinter.cpp
@@ -275,7 +275,7 @@
 
   if (C->isNullValue() && !GVar->hasSection()) {
     if (!GVar->isThreadLocal() &&
-        (GVar->hasInternalLinkage() || GVar->isWeakForLinker())) {
+        (GVar->hasInternalLinkage() || GVar->mayBeOverridden())) {
       if (Size == 0) Size = 1;   // .comm Foo, 0 is undefined, avoid it.
 
       if (GVar->hasInternalLinkage()) {