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[AArch64] Don't expand memcmp in strict align mode.

Authored by efriedma on Apr 6 2020, 3:17 PM.

Description

[AArch64] Don't expand memcmp in strict align mode.

7aecf232 fixed the bug where we would miscompile, but we still generate
a crazy amount of code. Turn off the expansion until someone implements
an appropriate heuristic.

Differential Revision: https://reviews.llvm.org/D77599

Details

Committed
efriedmaApr 7 2020, 10:53 AM
Differential Revision
D77599: [AArch64] Don't expand memcmp in strict align mode.
Parents
rGf596ab406663: AMDGPU: Use early return
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