[all-commits] [llvm/llvm-project] 3d6048: [CIR][AArch64] Lower remaining FP16 vfma and vfms ...

[Yair Ben Avraham via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 3d60487f83797a10a6379669647a139e6823d3d2
      https://github.com/llvm/llvm-project/commit/3d60487f83797a10a6379669647a139e6823d3d2
  Author: Yair Ben Avraham <yairba at protonmail.com>
  Date:   2026-08-03 (Mon, 03 Aug 2026)

  Changed paths:
    M clang/test/CodeGen/AArch64/neon/fused-multiple-fullfp16.c
    M clang/test/CodeGen/AArch64/v8.2a-neon-intrinsics.c

  Log Message:
  -----------
  [CIR][AArch64] Lower remaining FP16 vfma and vfms builtins (#210359)

Complete CIR lowering coverage for the remaining AArch64 NEON FP16 fused
multiply-accumulate and fused multiply-subtract builtins.

This covers ACLE wrappers from section 2.6.1.9.3:
  - vfma_n_f16, vfmaq_n_f16
  - vfms_f16, vfmsq_f16
  - vfms_lane_f16, vfmsq_lane_f16
  - vfms_laneq_f16, vfmsq_laneq_f16
  - vfms_n_f16, vfmsq_n_f16
  - vfmsh_lane_f16, vfmsh_laneq_f16

The existing CIR lowering paths already handle these wrappers. Move
their tests from AArch64/v8.2a-neon-intrinsics.c into
AArch64/neon/fused-multiple-fullfp16.c, add direct LLVM, CIR-to-LLVM,
and CIR coverage, and remove the superseded tests.

Strengthen the LLVM checks by tracking operands from their defining
operations and using LLVM-DAG for order-independent setup operations.

Part of #185382



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