[GlobalMerge] Allow merging of dllexported variables
authorMartin Storsjo <martin@martin.st>
Mon, 12 Feb 2018 21:14:21 +0000 (21:14 +0000)
committerMartin Storsjo <martin@martin.st>
Mon, 12 Feb 2018 21:14:21 +0000 (21:14 +0000)
commit9ca8b5718682b54cc9de5d215a590d54eb4dd4b0
treeb3e78c107a79a3bb2e21dcf15f6f0ffdfabf7210
parent520789e139565fa588f172700908d5c8fe8f6876
[GlobalMerge] Allow merging of dllexported variables

If merging them, the dllexport attribute needs to be brought along
to the new GlobalAlias.

Differential Revision: https://reviews.llvm.org/D43192

llvm-svn: 324937
llvm/lib/CodeGen/GlobalMerge.cpp
llvm/test/CodeGen/ARM/global-merge-dllexport.ll