tree 5fb97dd9a06c5d67480fbca16a39a75414e08599
parent f7c841b7741aba2993e13fca43c42ed010c88dfb
author Jessica Paquette <jpaquette@apple.com> 1613590546 -0800
committer Copybara-Service <copybara-worker@google.com> 1613733443 -0800

[GlobalISel] Implement computeNumSignBits for G_ASSERT_SEXT

Same implementation as G_SEXT_INREG.

Add a testcase to combine-sext-inreg for a concrete example, and a testcase
to KnownBitsTest.

Differential Revision: https://reviews.llvm.org/D96897

GitOrigin-RevId: 26fb036559d05b601a585c751177d6ec367fb65b