Jiangning Liu b2ae37fb67 Global merge for global symbols. ...

This commit is to improve global merge pass and support global symbol merge.
The global symbol merge is not enabled by default. For aarch64, we need some
more back-end fix to make it really benifit ADRP CSE.

llvm-svn: 210640

2014-06-11 06:44:53 +00:00

..

AArch64

Global merge for global symbols.

2014-06-11 06:44:53 +00:00

ARM

Global merge for global symbols.

2014-06-11 06:44:53 +00:00