Martin Sebor 5ccfd5f6d4 [SimplifyLibCalls] Optimize memchr() with known char+str and unknown length
If both the character and string are known, but the length
potentially isn't, we can optimize the memchr() call to a select
of either the known position of the character or null.

Split off from https://reviews.llvm.org/D122836.
2022-04-04 11:01:33 +02:00
..

This directory contains test cases for the instcombine transformation.  The
dated tests are actual bug tests, whereas the named tests are used to test
for features that the this pass should be capable of performing.