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Relax constraints for reduction vectorization

Description

Relax constraints for reduction vectorization

Summary:
Gating vectorizing reductions on *all* fastmath flags seems unnecessary;
reassoc should be sufficient.

Reviewers: tvvikram, mkuper, kristof.beyls, sdesmalen, Ayal

Reviewed By: sdesmalen

Subscribers: dcaballe, huntergr, jmolloy, mcrosier, jlebar, bixia, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D57728

Details

Committed
sanjoyMar 11 2019, 2:36 PM
Reviewer
sdesmalen
Differential Revision
D57728: Relax constraints for reduction vectorization
Parents
rL355867: [RISCV] Allow fp as an alias of s0
Branches
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Tags
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