[all-commits] [llvm/llvm-project] da137d: [SimplifyLibCalls] Add NoUndef/NonNull/Dereference...

[Karl-Johan Karlsson via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: da137d041b3766db755ab390528ea5d9eb60d0f0
      https://github.com/llvm/llvm-project/commit/da137d041b3766db755ab390528ea5d9eb60d0f0
  Author: uabkaka <karl-johan.karlsson at ericsson.com>
  Date:   2022-10-18 (Tue, 18 Oct 2022)

  Changed paths:
    M llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
    M llvm/test/Transforms/InstCombine/printf-1.ll
    M llvm/test/Transforms/InstCombine/sprintf-1.ll

  Log Message:
  -----------
  [SimplifyLibCalls] Add NoUndef/NonNull/Dereferenceable attributes to iprintf/siprintf

When SimplifyLibCalls fail to optimize printf and sprintf it add
NoUndef/NonNull/Dereferenceable attributes. This patch add the same attributes
if SimplifyLibCalls optimize printf/sprintf into the integer only
iprintf/siprintf.

Reviewed By: nikic

Differential Revision: https://reviews.llvm.org/D136140