[all-commits] [llvm/llvm-project] 0a68cd: [SLP]Fix PR64252: Requesting cost of invalid exten...

[Alexey Bataev via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 0a68cd23049de778a4440168c855aff38f202940
      https://github.com/llvm/llvm-project/commit/0a68cd23049de778a4440168c855aff38f202940
  Author: Alexey Bataev <a.bataev at outlook.com>
  Date:   2023-07-31 (Mon, 31 Jul 2023)

  Changed paths:
    M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
    M llvm/test/Transforms/SLPVectorizer/X86/minimum-sizes.ll

  Log Message:
  -----------
  [SLP]Fix PR64252: Requesting cost of invalid extending instruction.

If the actual instruction bitwidth does not match its original size,
need to reestimate the casting opcode, the compiler cannot rely on the
one, provided in the instruction.