[all-commits] [llvm/llvm-project] c98a46: [ISel] Enable generating more fma instructions.

[tsymalla-AMD via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: c98a46fee6f4043276eac19050979ce539e0d737
      https://github.com/llvm/llvm-project/commit/c98a46fee6f4043276eac19050979ce539e0d737
  Author: Thomas Symalla <thomas.symalla at amd.com>
  Date:   2022-09-21 (Wed, 21 Sep 2022)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
    M llvm/test/CodeGen/AMDGPU/dagcombine-fma-fmad.ll

  Log Message:
  -----------
  [ISel] Enable generating more fma instructions.

This patch changes a FADD / FMUL => FMA ISel pattern implemented
in D80801 so that it peeks through more than one FMA.

Reviewed By: foad

Differential Revision: https://reviews.llvm.org/D132837