[all-commits] [llvm/llvm-project] f3f309: [AArch64][GlobalISel] Mark v16s8 <- v8s8, v8s8 G_C...

[Jessica Paquette via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f3f3098afe1ca21671922e39328f127e79b7dd3c
      https://github.com/llvm/llvm-project/commit/f3f3098afe1ca21671922e39328f127e79b7dd3c
  Author: Jessica Paquette <jpaquette at apple.com>
  Date:   2021-08-05 (Thu, 05 Aug 2021)

  Changed paths:
    M llvm/lib/Target/AArch64/GISel/AArch64LegalizerInfo.cpp
    M llvm/test/CodeGen/AArch64/GlobalISel/legalize-concat-vectors.mir
    M llvm/test/CodeGen/AArch64/GlobalISel/select-concat-vectors.mir

  Log Message:
  -----------
  [AArch64][GlobalISel] Mark v16s8 <- v8s8, v8s8 G_CONCAT_VECTOR as legal

G_CONCAT_VECTORS shows up from time to time when legalizing other instructions.

We actually import patterns for the v16s8 <- v8s8, v8s8 case so marking it
as legal gives us selection for free.

Differential Revision: https://reviews.llvm.org/D107512