Vasileios Kalintiris 5a393cab69 [mips] Optimize conditional moves where RHS is zero.
Summary:
When the RHS of a conditional move node is zero, we can utilize the $zero
register by inverting the conditional move instruction and by swapping the
order of its True/False operands.

Reviewers: dsanders

Differential Revision: http://reviews.llvm.org/D7945

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230956 91177308-0d34-0410-b5e6-96231b3b80d8
2015-03-02 12:47:32 +00:00
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2015-03-02 04:37:11 +00:00
2015-01-14 22:27:36 +00:00