If a constant or a function has linkonce_odr linkage and unnamed_addr, mark it

hidden. Being linkonce_odr guarantees that it is available in every dso that
needs it. Being a constant/function with unnamed_addr guarantees that the
copies don't have to be merged.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159136 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 6 insertions, 0 deletions

diff --git a/include/llvm/GlobalValue.h b/include/llvm/GlobalValue.h
index 8b969f3354..3b83b5a05c 100644
--- a/include/llvm/GlobalValue.h
+++ b/include/llvm/GlobalValue.h
@@ -122,6 +122,9 @@ public:
   static bool isAvailableExternallyLinkage(LinkageTypes Linkage) {
     return Linkage == AvailableExternallyLinkage;
   }
+  static bool isLinkOnceODRLinkage(LinkageTypes Linkage) {
+    return Linkage == LinkOnceODRLinkage;
+  }
   static bool isLinkOnceLinkage(LinkageTypes Linkage) {
     return Linkage == LinkOnceAnyLinkage || Linkage == LinkOnceODRLinkage;
   }
@@ -202,6 +205,9 @@ public:
   bool hasAvailableExternallyLinkage() const {
     return isAvailableExternallyLinkage(Linkage);
   }
+  bool hasLinkOnceODRLinkage() const {
+    return isLinkOnceODRLinkage(Linkage);
+  }
   bool hasLinkOnceLinkage() const {
     return isLinkOnceLinkage(Linkage);
   }