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Commit a5852280 authored by Quentin Colombet's avatar Quentin Colombet
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Prevent LICM and machineLICM from hoisting convergent operations

Results of convergent operations are implicitly affected by the
enclosing control flows and should not be hoisted out of arbitrary
loops.

Patch by Xiaoqing Wu <xiaoqing_wu@apple.com>

Differential Revision: https://reviews.llvm.org/D90361
parent 137ff733
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