Files
clang-p2996/llvm/test/CodeGen/SystemZ
Jonas Paulsson bb506938be [SystemZ] Improvement of emitMemMemWrapper()
It was discovered that an extra register COPY remained when expanding a
(variable length) memory operation with a loop and there was another use of
the involved address register(s) afterwards.

A simple fix for this is to COPY the address registers before the loop and
use that new vreg instead.

Review: Ulrich Weigand

Differential Revision: https://reviews.llvm.org/D112065
2021-10-26 17:03:01 +02:00
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