Chenbing Zheng 38992d2c5e [InstCombine] improve fold for icmp-ugt-ashr
Existing condition for
fold icmp ugt (ashr X, ShAmtC), C --> icmp ugt X, ((C + 1) << ShAmtC) - 1
missed some boundary. It cause this fold don't work for some cases, and the
reason is due to signed number overflow.

Reviewed By: spatel

Differential Revision: https://reviews.llvm.org/D127188
2022-06-09 16:22:12 +08:00
..
2022-04-25 12:53:39 +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.