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[X86][VBMI2] Try to lower shuffle as VSHLDI instructions #145324

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@RKSimon RKSimon commented Jun 23, 2025

Fixes #145276

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github-actions bot commented Jun 23, 2025

✅ With the latest revision this PR passed the C/C++ code formatter.

@RKSimon RKSimon force-pushed the x86-shuffle-vshld branch from 77d1e2d to 6fb473f Compare June 23, 2025 13:12
@RKSimon RKSimon force-pushed the x86-shuffle-vshld branch from 6fb473f to 643ca92 Compare June 23, 2025 14:24
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Some shufflevectors should emit as a single shld/shrd instruction
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