94c762abeb0fd3d1e40144d4d7400a3b23b69ad1 - llvm-project/llvm

commit: 94c762abeb0fd3d1e40144d4d7400a3b23b69ad1
[log]
author: Jessica Paquette <jpaquette@apple.com>
Wed Feb 17 15:16:51 2021 -0800
committer: Copybara-Service <copybara-worker@google.com>
Fri Feb 26 22:15:45 2021 -0800
tree: dfb85fb1b646c21cb3b5f16ed5da021b4e302e07
parent: 1170b9d170952e0461bf7c8e15de0dea6a7a6556 [diff]

[AArch64][GlobalISel] Run redundant_sext_inreg in the post-legalizer combiner

This is to ensure that we can eliminate G_ASSERT_SEXT.

In a follow-up patch, I'm going to make CallLowering emit G_ASSERT_SEXT for
signext parameters.

Differential Revision: https://reviews.llvm.org/D96913

GitOrigin-RevId: 8d3442eddb88e2e52bee89f333df0c6cf12e1237

lib/Target/AArch64/AArch64Combine.td[diff]
test/CodeGen/AArch64/GlobalISel/combine-sext-trunc-sextload.mir[diff]
test/CodeGen/AArch64/GlobalISel/postlegalizer-combiner-redundant-sextinreg.mir[Added - diff]

3 files changed

tree: dfb85fb1b646c21cb3b5f16ed5da021b4e302e07