a5cbd2ab0b
…133242)"
This reverts commit 130080fab1 because it
causes issues in testcases similar to coalescer_remat.ll [1], i.e. when
we use a VGPR tuple but only write to its lower parts. The high VGPRs
would then not be included in the vgpr_count, and accessing them would
be an out of bounds violation.
[1]
https://github.com/llvm/llvm-project/blob/main/llvm/test/CodeGen/AMDGPU/coalescer_remat.ll
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17 KiB