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Add a -Z flag for LLVM align attributes on arguments #49122

Merged
merged 1 commit into from
Mar 24, 2018
Merged

Add a -Z flag for LLVM align attributes on arguments #49122

merged 1 commit into from
Mar 24, 2018

Commits on Mar 17, 2018

  1. Add a -Z flag for LLVM align attributes on arguments 

    LLVM seems to still put the assume calls in when inlining, so this probably isn't in a place where it can be turned on by default, but it's interesting to experiment with.

For example, this makes `swap::<u64x8>` be 8x `vmovaps	ymm` instead of 16x `vmovups	xmm`, on my cpu.
    @scottmcm
    scottmcm committed Mar 17, 2018
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