Hao Liu 09ad94decb DAGCombiner: Allow the DAGCombiner to combine multiple FDIVs with the same divisor info FMULs by the reciprocal. ...

E.g., ( a / D; b / D ) -> ( recip = 1.0 / D; a * recip; b * recip)

A hook is added to allow the target to control whether it needs to do such combine.

Reviewed in http://reviews.llvm.org/D6334


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222510 91177308-0d34-0410-b5e6-96231b3b80d8

2014-11-21 06:39:58 +00:00

..

llvm

DAGCombiner: Allow the DAGCombiner to combine multiple FDIVs with the same divisor info FMULs by the reciprocal.

2014-11-21 06:39:58 +00:00

llvm-c

libLTO: Allow linker to choose context of modules and codegen

2014-11-11 23:19:23 +00:00