[PATCH] D27879: [AVX-512][InstCombine] Teach InstCombine to turn scalar add/sub/mul/div with rounding intrinsics into normal IR operations if the rounding mode is CUR_DIRECTION.
Craig Topper via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Sat Dec 17 10:19:01 PST 2016
craig.topper created this revision.
craig.topper added reviewers: delena, RKSimon, zvi.
craig.topper added a subscriber: llvm-commits.
I only do this for unmasked cases for now because isel is failing to fold the mask. I'll try to fix that soon.
I'll do the same thing for packed add/sub/mul/div in a future patch.
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