[Inductor] refine the logic in (mm + bias) -> addmm

[nikitaved]

Stack from ghstack (oldest at bottom):

• -> [Inductor] refine the logic in (mm + bias) -> addmm #166300
• [Inductor] refine the logic in addmm -> mm + add #166170
• [Inductor] refactoring: retire is_pointwise_use #166402
• [Inductor] addmm with bias -> unfuse bias if there is a pointwise/reduction consumer #166165
• [CUDA][cuBLASLt] addmm -- extend bias fusions to cases with (1 by n) shapes #166307

cc @voznesenskym @penguinwu @EikanWang @jgong5 @Guobing-Chen @XiaobingSuper @zhuhaozhe @blzheng @wenzhe-nrv @jiayisunx @ipiszy @chenyang78 @kadeng @muchulee8 @amjames @chauhang @aakhundov @coconutruben

[pytorch-bot]

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❌ 17 New Failures

As of commit 18a9db1 with merge base 030de07 ():

NEW FAILURES - The following jobs have failed:

• inductor / unit-test / inductor-cpu-test / test (inductor_amx, 1, 2, linux.8xlarge.amx) (gh)
  test/inductor/test_torchinductor.py::CpuTests::test_remove_no_ops_cpu
• inductor / unit-test / inductor-cpu-test / test (inductor_avx2, 1, 2, linux.10xlarge.avx2) (gh)
  test/inductor/test_torchinductor.py::CpuTests::test_remove_no_ops_cpu
• inductor / unit-test / inductor-halide-test / test (inductor-halide, 1, 1, linux.12xlarge) (gh)
  test/inductor/test_halide.py::HalideCpuTests::test_remove_no_ops_cpu_halide
• inductor / unit-test / inductor-test / test (inductor_distributed, 1, 1, linux.g5.12xlarge.nvidia.gpu) (gh)
  test/distributed/test_inductor_collectives.py::TestCollectivesInductor::test_reorder_peak_memory_bucketed_bucket_mode_all
• inductor / unit-test / inductor-test / test (inductor, 1, 2, linux.g5.4xlarge.nvidia.gpu) (gh)
  test/inductor/test_torchinductor_opinfo.py::TestInductorOpInfoCUDA::test_comprehensive_addmm_cuda_float16
• inductor / unit-test / inductor-test / test (inductor, 2, 2, linux.g5.4xlarge.nvidia.gpu) (gh)
  test/inductor/test_torchinductor_opinfo.py::TestInductorOpInfoCUDA::test_comprehensive_addmm_decomposed_cuda_float16
• inductor / unit-test / linux-jammy-cpu-py3.12-gcc11-inductor-triton-cpu / test (inductor-triton-cpu, 1, 1, linux.12xlarge) (gh)
  test/inductor/test_triton_cpu_backend.py::CpuTritonTests::test_remove_no_ops_cpu
• Lint / lintrunner-noclang-partial / linux-job (gh)
  >>> Lint for torch/_inductor/fx_passes/post_grad.py:
• pull / linux-jammy-py3.10-clang12 / test (default, 3, 5, lf.linux.4xlarge) (gh)
  test/inductor/test_torchinductor_codegen_dynamic_shapes.py::DynamicShapesCodegenCpuTests::test_remove_no_ops_dynamic_shapes_cpu
• pull / linux-jammy-py3.10-clang12 / test (default, 5, 5, lf.linux.4xlarge) (gh)
  test/inductor/test_torchinductor_dynamic_shapes.py::DynamicShapesCpuTests::test_remove_no_ops_dynamic_shapes_cpu
• pull / linux-jammy-py3.10-clang18-asan / test (default, 5, 7, lf.linux.4xlarge) (gh)
  test/inductor/test_torchinductor.py::CpuTests::test_remove_no_ops_cpu
• pull / linux-jammy-py3.10-clang18-asan / test (default, 6, 7, lf.linux.4xlarge) (gh)
  test/inductor/test_torchinductor_codegen_dynamic_shapes.py::DynamicShapesCodegenCpuTests::test_remove_no_ops_dynamic_shapes_cpu
• pull / linux-jammy-py3.10-gcc11 / test (default, 2, 5, lf.linux.2xlarge) (gh)
  test/inductor/test_torchinductor_codegen_dynamic_shapes.py::DynamicShapesCodegenCpuTests::test_remove_no_ops_dynamic_shapes_cpu
• pull / linux-jammy-py3.10-gcc11 / test (default, 3, 5, lf.linux.2xlarge) (gh)
  test/inductor/test_torchinductor.py::CpuTests::test_remove_no_ops_cpu
• pull / linux-jammy-py3.10-gcc11 / test (default, 5, 5, lf.linux.2xlarge) (gh)
  test/inductor/test_torchinductor_dynamic_shapes.py::DynamicShapesCpuTests::test_remove_no_ops_dynamic_shapes_cpu
• pull / linux-jammy-py3.13-clang12 / test (default, 3, 5, lf.linux.4xlarge) (gh)
  test/inductor/test_torchinductor.py::CpuTests::test_remove_no_ops_cpu
• pull / linux-jammy-py3.13-clang12 / test (default, 5, 5, lf.linux.4xlarge) (gh)
  test/inductor/test_torchinductor_dynamic_shapes.py::DynamicShapesCpuTests::test_remove_no_ops_dynamic_shapes_cpu

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