[llvm-branch-commits] [llvm] [AMDGPU][SIInstrInfo] Materialise t16 PHI subreg operands (PR #222155)

[Shilei Tian via llvm-branch-commits]

https://github.com/shiltian commented:

It appears to me that a PHI node has operands with different sizes.

https://github.com/llvm/llvm-project/pull/222155