Add a new "available_externally" linkage type. This is intended

to support C99 inline, GNU extern inline, etc.  Related bugzilla's
include PR3517, PR3100, & PR2933.  Nothing uses this yet, but it
appears to work.

llvm-svn: 68940

2 files changed, 2 insertions, 0 deletions

diff --git a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
index 6f91dda5012..8079acddb06 100644
--- a/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
+++ b/llvm/lib/Bitcode/Reader/BitcodeReader.cpp
@@ -70,6 +70,7 @@ static GlobalValue::LinkageTypes GetDecodedLinkage(unsigned Val) {
   case 9: return GlobalValue::PrivateLinkage;
   case 10: return GlobalValue::WeakODRLinkage;
   case 11: return GlobalValue::LinkOnceODRLinkage;
+  case 12: return GlobalValue::AvailableExternallyLinkage;
   }
 }
 
diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
index c836d39d259..1937c7e26f1 100644
--- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
+++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp
@@ -287,6 +287,7 @@ static unsigned getEncodedLinkage(const GlobalValue *GV) {
   case GlobalValue::PrivateLinkage:      return 9;
   case GlobalValue::WeakODRLinkage:      return 10;
   case GlobalValue::LinkOnceODRLinkage:  return 11;
+  case GlobalValue::AvailableExternallyLinkage:  return 12;
   }
 }