Use DenseMap instead of std::map in fixupExports
authorReid Kleckner <rnk@google.com>
Fri, 10 Nov 2017 19:12:01 +0000 (19:12 +0000)
committerReid Kleckner <rnk@google.com>
Fri, 10 Nov 2017 19:12:01 +0000 (19:12 +0000)
commit8320a1753f044a7762cae23b8b2e0bb96c74edab
treed3a7ae1af2448800a8375961dfc5599c76a4e27b
parent8914a6d50e27569c6506e5a363d05d52d459ac41
Use DenseMap instead of std::map in fixupExports

Some DLLs have many exports, and this data structure shows up in the
profile of linking content.dll.

llvm-svn: 317910
lld/COFF/DriverUtils.cpp