llvm-project/llvm/test/Transforms/InterleavedAccess
Eli Friedman 96f295e23b [InterleavedAccessPass] Don't increase the number of bytes loaded.
Even if the interleaving transform would otherwise be legal, we shouldn't
introduce an interleaved load that is wider than the original load: it might
have undefined behavior.

It might be possible to perform some sort of mask-narrowing transform in
some cases (using a narrower interleaved load, then extending the
results using shufflevectors).  But I haven't tried to implement that,
at least for now.

Fixes https://bugs.llvm.org/show_bug.cgi?id=41245 .

Differential Revision: https://reviews.llvm.org/D59954

llvm-svn: 357212
2019-03-28 20:44:50 +00:00
..
AArch64
ARM [InterleavedAccessPass] Don't increase the number of bytes loaded. 2019-03-28 20:44:50 +00:00
X86