SuccessChanges

Summary

  1. [ARM] VECTOR_REG_CAST undef -> undef (details)
Commit 0fe64812d86ca387115d5b25eb24bfb2287c3b8a by david.green
[ARM] VECTOR_REG_CAST undef -> undef

Propagate undef through VECTOR_REG_CAST nodes, allowing extra
simplification in some patterns.
The file was modifiedllvm/test/CodeGen/Thumb2/mve-be.ll
The file was modifiedllvm/lib/Target/ARM/ARMISelLowering.cpp