HomePhabricator

Recommit "[AArch64][GlobalISel] Implement widenScalar for signed overflow"

Authored by porglezomp on Jan 25 2021, 1:57 PM.

Description

Recommit "[AArch64][GlobalISel] Implement widenScalar for signed overflow"

Implement widening for G_SADDO and G_SSUBO.
Add legalize-add/sub tests for narrow overflowing add/sub on AArch64.

Differential Revision: https://reviews.llvm.org/D95034