[all-commits] [llvm/llvm-project] aa551a: Revert "[InstCombine] Remove one-use limitation fr...

[Nikita Popov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: aa551ad19842d7d19fb9c81e7c18bf33036a6ea2
      https://github.com/llvm/llvm-project/commit/aa551ad19842d7d19fb9c81e7c18bf33036a6ea2
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2022-02-24 (Thu, 24 Feb 2022)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
    M llvm/test/Transforms/InstCombine/icmp-sub.ll
    M llvm/test/Transforms/InstCombine/prevent-cmp-merge.ll
    M llvm/test/Transforms/InstCombine/result-of-usub-is-non-zero-and-no-overflow.ll

  Log Message:
  -----------
  Revert "[InstCombine] Remove one-use limitation from X-Y==0 fold"

This reverts commit 65dc78d63ee2eb20fbed54401091f08a685ef8c1.

This caused a major code-size regression on tramp3d-v4, revert
until I can investigate.