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authorJose Fonseca <[email protected]>2016-04-02 15:13:38 +0100
committerJose Fonseca <[email protected]>2016-04-03 09:51:27 +0100
commitb284f1f7f9afa560d6f4c0863681a7e36913955c (patch)
tree5fa8673a99b0e8c356a7058b790af6632758caa3 /m4/ax_prog_bison.m4
parent11c4e5b45c246b638b5d98822ff512d1bb09c4fd (diff)
gallivm: Fix performance regressions due to vector selects.
LLVM often can't determine the mask elements are all ones/zeros, and there doesn't seem to be a good way to hint that. Thanks to Roland Scheidegger for spotting and analyzing the issue. Reviewed-by: Roland Scheidegger <[email protected]>
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