https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96674
--- Comment #3 from Eugene Rozenfeld <erozen at microsoft dot com> --- Both are used but it looks like __attribute__((noinline)) is used more frequently. Under gcc/testsuite there are 1537 instances of __attribute__((noipa)) and 3794 instances of __attribute__((noinline)).
