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Craig Topper ea96ec0554 [InstCombine] Don't transform bitcasts between x86_mmx and v1i64 into insertelement/extractelement
x86_mmx is conceptually a vector already. Don't introduce an extra conversion between it and scalar i64.

I'm using VectorType::isValidElementType which checks for floating point, integer, and pointers to hopefully make this more readable than just blacklisting x86_mmx.

Differential Revision: https://reviews.llvm.org/D69964
2019-11-07 15:14:13 -08:00
2019-10-29 17:31:28 -07:00
2019-11-07 22:43:50 +00:00
2019-07-17 07:02:02 +00:00
2019-10-03 14:57:49 +00:00

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