[all-commits] [llvm/llvm-project] dbaa6a: Revert "[AArch64] Attempt to sink mul operands"

[Martin Storsjö via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: dbaa6a1858a42f72b683f700d3bd7a9632f7a518
      https://github.com/llvm/llvm-project/commit/dbaa6a1858a42f72b683f700d3bd7a9632f7a518
  Author: Martin Storsjö <martin at martin.st>
  Date:   2021-01-14 (Thu, 14 Jan 2021)

  Changed paths:
    M llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
    R llvm/test/CodeGen/AArch64/aarch64-matrix-umull-smull.ll

  Log Message:
  -----------
  Revert "[AArch64] Attempt to sink mul operands"

This reverts commit dda60035e9f0769c8907cdf6561489e0435c2275.

This commit caused failures to compile some sources, erroring out
with "error in backend: Cannot select: t85: v2i32 = AArch64ISD::DUP t15",
see https://reviews.llvm.org/D91271 for the full reproduction case.