[PATCH] [X86] replace vinsertf128 intrinsics with generic shuffles

[Simon Pilgrim]

> If anyone can explain why vinsertf128 with a 0 immediate exists, I'm curious...


IIRC its only real use is for loading xmm into the ymm - using a blend would reference a whole 256-bit vector of memory that might not be valid.


http://reviews.llvm.org/D8086

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