Chad Rosier
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c7506ed124
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[AArch64] Mark mrs of TPIDR_EL0 (thread pointer) as not having side effects.
Among other things, this allows Machine LICM to hoist a costly 'mrs'
instruction from within a loop.
Differential Revision: http://reviews.llvm.org/D31151
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298851 91177308-0d34-0410-b5e6-96231b3b80d8
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2017-03-27 15:52:38 +00:00 |
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