LTO: expose LTO_SYMBOL_ALIAS, which indicates that the symbol is an alias.
This is needed for COFF linkers to distinguish between weak external aliases
and regular symbols with LLVM weak linkage, which are represented as strong
symbols in COFF.
llvm-svn: 241389
diff --git a/llvm/lib/LTO/LTOModule.cpp b/llvm/lib/LTO/LTOModule.cpp
index 6131c31..53ed417 100644
--- a/llvm/lib/LTO/LTOModule.cpp
+++ b/llvm/lib/LTO/LTOModule.cpp
@@ -473,6 +473,9 @@
if (def->hasComdat())
attr |= LTO_SYMBOL_COMDAT;
+ if (isa<GlobalAlias>(def))
+ attr |= LTO_SYMBOL_ALIAS;
+
auto Iter = _defines.insert(Name).first;
// fill information structure