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Qiu Chaofan 3d8ed5a845 [DAGCombiner] Improve division estimation of floating points.
Current implementation of estimating divisions loses precision since it
estimates reciprocal first and does multiplication.  This patch is to re-order
arithmetic operations in the last iteration in DAGCombiner to improve the
accuracy.

Reviewed By: Sanjay Patel, Jinsong Ji

Differential Revision: https://reviews.llvm.org/D66050

llvm-svn: 371713
2019-09-12 07:51:24 +00:00
2019-08-15 10:55:25 +00:00
2019-09-12 01:25:34 +00:00
2019-07-17 07:02:02 +00:00
2019-02-19 20:38:51 +00:00

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