Commits on Oct 5, 2023

1. [AMDGPU] Use correct operand order for shifts …

   In a special case in frame index elimination (when the offset is 0), we
   generate either a S_LSHR_B32 or a V_LSHRREV_B32 using the same code.
   However, they don't expect their operands in the same order - S_LSHR_B32
   takes the value to be shifted first and then the shift amount, whereas
   V_LSHRREV_B32 has the operands reversed (hence the REV in its name).
   Update the code & tests to take this into account. Also remove an
   outdated comment (this code is definitely reachable now that non-entry
   functions no longer have a fixed emergency scavenge slot).

   

   rovka committed Oct 5, 2023
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