Re: [PATCH 4/6] rtl-ssa: Handle artifical uses of deleted defs

On 10/24/23 04:50, Richard Sandiford wrote: If an optimisation removes the last real use of a definition, there can still be artificial uses left. This patch removes those uses too. These artificial uses exist because RTL-SSA is only an SSA-like view of the existing RTL IL, rather than a

[PATCH 4/6] rtl-ssa: Handle artifical uses of deleted defs

If an optimisation removes the last real use of a definition, there can still be artificial uses left. This patch removes those uses too. These artificial uses exist because RTL-SSA is only an SSA-like view of the existing RTL IL, rather than a native SSA representation. It effectively treats