[all-commits] [llvm/llvm-project] ede27d: [SimplifyCFG] Add support for sinking instructions...

[Nikita Popov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ede27d8d391e3917a5aa25be7903cabde4303a66
      https://github.com/llvm/llvm-project/commit/ede27d8d391e3917a5aa25be7903cabde4303a66
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2024-06-17 (Mon, 17 Jun 2024)

  Changed paths:
    M llvm/lib/Transforms/Utils/SimplifyCFG.cpp
    M llvm/test/Transforms/SimplifyCFG/X86/sink-common-code.ll

  Log Message:
  -----------
  [SimplifyCFG] Add support for sinking instructions with multiple uses (#95521)

Sinking currently only supports instructions that have zero or one uses.
Extend this to handle instructions with any number of uses, as long as
all uses are consistent (i.e. the "same" for all sinking candidates).

After #94462 this is basically just a matter of looping over all uses
instead of checking the first one only.



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