Remove more unused hlo passes.

PiperOrigin-RevId: 702796497

Author: chsigg

BUILD

@@ -352,27 +352,17 @@ cc_library(
         "mhlo/transforms/collapse_elementwise_map/collapse_elementwise_map.cc",
         "mhlo/transforms/convert_to_signless/convert_to_signless_pass.cc",
         "mhlo/transforms/expand_hlo_tuples/expand_hlo_tuples.cc",
-        "mhlo/transforms/expand_ops_simplifier/expand_ops_simplifier.cc",
-        "mhlo/transforms/group_reduction_dimensions/group_reduction_dimensions.cc",
         "mhlo/transforms/hlo_legalize_to_arithmetic/hlo_legalize_to_arithmetic.cc",
         "mhlo/transforms/hlo_legalize_to_memref/hlo_legalize_to_memref.cc",
         "mhlo/transforms/hlo_legalize_to_stablehlo/hlo_legalize_to_stablehlo_pass.cc",
-        "mhlo/transforms/legalize_control_flow/legalize_control_flow.cc",
-        "mhlo/transforms/legalize_dot_general_to_dot/legalize_dot_general_to_dot.cc",
         "mhlo/transforms/legalize_dot_to_dot_general/legalize_dot_to_dot_general.cc",
         "mhlo/transforms/legalize_einsum_to_dot_general/legalize_einsum_to_dot_general.cc",
         "mhlo/transforms/legalize_to_linalg/legalize_to_linalg.cc",
         "mhlo/transforms/legalize_torch_index_select_to_gather/legalize_torch_index_select_to_gather.cc",
         "mhlo/transforms/legalize_trigonometric_to_approximation/legalize_trigonometric_to_approximation.cc",
-        "mhlo/transforms/lower_complex/generated_lower_complex.inc",
-        "mhlo/transforms/lower_complex/lower_complex.cc",
-        "mhlo/transforms/lower_general_dot/lower_general_dot.cc",
         "mhlo/transforms/materialize_broadcasts/materialize_broadcasts.cc",
         "mhlo/transforms/materialize_broadcasts/materialize_broadcasts_pass.cc",
         "mhlo/transforms/merge_assuming_ops/merge_assuming_ops.cc",
-        "mhlo/transforms/mhlo_canonicalize_dot/mhlo_canonicalize_dot.cc",
-        "mhlo/transforms/mhlo_canonicalize_gather/mhlo_canonicalize_gather.cc",
-        "mhlo/transforms/mhlo_canonicalize_scatter/mhlo_canonicalize_scatter.cc",
         "mhlo/transforms/mhlo_flatten_tuple/mhlo_flatten_tuple.cc",
         "mhlo/transforms/mhlo_passes.h.inc",
         "mhlo/transforms/optimize_mhlo/optimize_mhlo.cc",
@@ -397,7 +387,6 @@ cc_library(
         ":chlo_legalize_to_hlo_inc_gen",
         ":hlo_legalize_to_stablehlo",
         ":legalize_to_linalg_utils",
-        ":lower_complex_inc_gen",
         ":map_chlo_to_hlo_op",
         ":map_mhlo_to_scalar_op",
         ":mhlo_pass_inc_gen",
@@ -598,23 +587,6 @@ cc_library(
     ],
 )
 
-gentbl_cc_library(
-    name = "lower_complex_inc_gen",
-    strip_include_prefix = "mhlo/transforms/",
-    tbl_outs = [
-        (
-            ["-gen-rewriters"],
-            "mhlo/transforms/lower_complex/generated_lower_complex.inc",
-        ),
-    ],
-    tblgen = "@llvm-project//mlir:mlir-tblgen",
-    td_file = "mhlo/transforms/lower_complex/lower_complex_patterns.td",
-    deps = [
-        ":hlo_ops_td_files",
-        "@llvm-project//mlir:FuncTdFiles",
-    ],
-)
-
 cc_library(
     name = "unfuse_batch_norm",
     srcs = ["mhlo/transforms/unfuse_batch_norm/unfuse_batch_norm.cc"],

mhlo/transforms/CMakeLists.txt

@@ -22,10 +22,6 @@ include_directories(BEFORE
     ${CMAKE_CURRENT_BINARY_DIR}
     ${CMAKE_CURRENT_SOURCE_DIR})
 
-set(LLVM_TARGET_DEFINITIONS lower_complex/lower_complex_patterns.td)
-mlir_tablegen(lower_complex/generated_lower_complex.inc -gen-rewriters)
-add_public_tablegen_target(MLIRMhloLowerComplexIncGen)
-
 set(LLVM_TARGET_DEFINITIONS chlo_legalize_to_hlo/chlo_legalize_to_hlo_patterns.td)
 mlir_tablegen(chlo_legalize_to_hlo/generated_chlo_legalize_to_hlo.inc -gen-rewriters)
 add_public_tablegen_target(MLIRChloLegalizeToHloIncGen)
@@ -37,22 +33,13 @@ add_mlir_library(MhloPasses
   collapse_elementwise_map/collapse_elementwise_map.cc
   convert_to_signless/convert_to_signless_pass.cc
   expand_hlo_tuples/expand_hlo_tuples.cc
-  expand_ops_simplifier/expand_ops_simplifier.cc
-  group_reduction_dimensions/group_reduction_dimensions.cc
-  legalize_dot_general_to_dot/legalize_dot_general_to_dot.cc
   legalize_dot_to_dot_general/legalize_dot_to_dot_general.cc
   legalize_einsum_to_dot_general/legalize_einsum_to_dot_general.cc
   legalize_torch_index_select_to_gather/legalize_torch_index_select_to_gather.cc
   legalize_trigonometric_to_approximation/legalize_trigonometric_to_approximation.cc
-  lower_complex/lower_complex.cc
-  lower_complex/lower_complex_patterns.td
-  lower_general_dot/lower_general_dot.cc
   materialize_broadcasts/materialize_broadcasts.cc
   materialize_broadcasts/materialize_broadcasts_pass.cc
   merge_assuming_ops/merge_assuming_ops.cc
-  mhlo_canonicalize_dot/mhlo_canonicalize_dot.cc
-  mhlo_canonicalize_gather/mhlo_canonicalize_gather.cc
-  mhlo_canonicalize_scatter/mhlo_canonicalize_scatter.cc
   mhlo_flatten_tuple/mhlo_flatten_tuple.cc
   prepare_for_export/prepare_for_export.cc
   optimize_mhlo/optimize_mhlo.cc
@@ -66,7 +53,6 @@ add_mlir_library(MhloPasses
 
   DEPENDS
   MLIRhlo_opsIncGen
-  MLIRMhloLowerComplexIncGen
   MLIRMhloPassIncGen
 
   LINK_COMPONENTS
@@ -130,27 +116,6 @@ add_mlir_library(MhloToArithmeticConversion
   MLIRTransformUtils
 )
 
-add_mlir_library(MhloToStandard
-  legalize_control_flow/legalize_control_flow.cc
-
-  DEPENDS
-  MLIRhlo_opsIncGen
-  MLIRMhloPassIncGen
-  MhloTypeConversion
-
-  LINK_COMPONENTS
-  Core
-
-  LINK_LIBS PUBLIC
-  MhloDialect
-  MLIRIR
-  MLIRMathDialect
-  MLIRPass
-  MLIRSCFDialect
-  MLIRTensorDialect
-  MLIRTransformUtils
-)
-
 add_mlir_library(ChloPasses
   chlo_legalize_to_hlo/chlo_legalize_to_hlo_pass.cc
 
@@ -246,7 +211,6 @@ target_link_libraries(AllMhloPasses INTERFACE
   MhloPasses
   MhloToArithmeticConversion
   MhloToMemrefConversion
-  MhloToStandard
   HloToLinalgUtils
   MhloToLinalg
   MhloToStablehlo