[all-commits] [llvm/llvm-project] 48cd5b: Revert "[SLC] sprintf(dst, "%s", str) -> strcpy(ds...

[aeubanks via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 48cd5b72b13c1283eedb0f3fac7c14167da7fc2f
      https://github.com/llvm/llvm-project/commit/48cd5b72b13c1283eedb0f3fac7c14167da7fc2f
  Author: Arthur Eubanks <aeubanks at google.com>
  Date:   2020-08-13 (Thu, 13 Aug 2020)

  Changed paths:
    M llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
    M llvm/test/Transforms/InstCombine/2010-05-30-memcpy-Struct.ll
    M llvm/test/Transforms/InstCombine/sprintf-1.ll

  Log Message:
  -----------
  Revert "[SLC] sprintf(dst, "%s", str) -> strcpy(dst, str)"

This reverts commit ab9fc8bae805c785066779e76e7846aabad5609e.

Incorrect transformation if the result is used.
Causes breakages, e.g.
http://green.lab.llvm.org/green/job/test-suite-verify-machineinstrs-x86_64-O3/8193/