llvm-project

476ad9f0 - [X86] Add test showing failure to concat fma nodes due to the constant being hidden (#174969)

[X86] Add test showing failure to concat fma nodes due to the constant being hidden (#174969) By the time the maxps nodes have been lowered, the v4f32 constant splats have been hidden behind a extract_subvector from the v8f32 constant splat