HomePhabricator

[CodeGenPrepare] Remove load-based heuristic

Authored by flyingforyou on Feb 24 2016, 4:23 PM.

Description

[CodeGenPrepare] Remove load-based heuristic

Summary:
Both the hardware and LLVM have changed since 2012.
Now, load-based heuristic don't show big differences any more on OoO cores.

There is no notable regressons and improvements on spec2000/2006. (Cortex-A57, Core i5).

Reviewers: spatel, zansari

Differential Revision: http://reviews.llvm.org/D16836

llvm-svn: 261809