Rename GemmFusion to TritonFusionRewriter.

xla/service/gpu/BUILD

@@ -844,7 +844,7 @@ xla_cc_test(
     deps = [
         ":triton_fusion_analysis",
         "//xla/hlo/ir:hlo",
-        "//xla/service/gpu/transforms:gemm_fusion",
+        "//xla/service/gpu/transforms:triton_fusion_rewriter",
         "//xla/stream_executor:device_description",
         "//xla/tests:hlo_test_base",
         "//xla/tests:verified_hlo_module",
@@ -1434,7 +1434,6 @@ cc_library(
         "//xla/service/gpu/transforms:dynamic_slice_fusion_rewriter",
         "//xla/service/gpu/transforms:fusion_wrapper",
         "//xla/service/gpu/transforms:gemm_broadcast_folding_rewriter",
-        "//xla/service/gpu/transforms:gemm_fusion",
         "//xla/service/gpu/transforms:gemm_rewriter",
         "//xla/service/gpu/transforms:gemv_rewriter",
         "//xla/service/gpu/transforms:layout_assignment",
@@ -1457,6 +1456,7 @@ cc_library(
         "//xla/service/gpu/transforms:transpose_dimension_grouper",
         "//xla/service/gpu/transforms:tree_reduction_rewriter",
         "//xla/service/gpu/transforms:triton_fusion_numerics_verifier",
+        "//xla/service/gpu/transforms:triton_fusion_rewriter",
         "//xla/service/gpu/transforms:windowed_einsum_handler",
         "//xla/service/llvm_ir:llvm_util",
         "//xla/service/spmd:collective_permute_motion",
@@ -1627,6 +1627,7 @@ xla_test(
         "//xla/tests:filecheck",
         "//xla/tests:hlo_test_base",
         "//xla/tests:literal_test_util",
+        "//xla/tests:verified_hlo_module",
         "//xla/tests:xla_internal_test_main",
         "//xla/tsl/lib/core:status_test_util",
         "@com_google_absl//absl/log",

xla/service/gpu/autotuning/BUILD

@@ -132,8 +132,8 @@ xla_test(
         "//xla/service/gpu:backend_configs_cc",
         "//xla/service/gpu:ir_emission_utils",
         "//xla/service/gpu:matmul_utils",
-        "//xla/service/gpu/transforms:gemm_fusion",
         "//xla/service/gpu/transforms:gemm_rewriter",
+        "//xla/service/gpu/transforms:triton_fusion_rewriter",
         "//xla/stream_executor:device_description",
         "//xla/stream_executor:device_description_proto_cc",
         "//xla/stream_executor:semantic_version",

xla/service/gpu/autotuning/gemm_fusion_autotuner_test.cc

@@ -42,8 +42,8 @@ limitations under the License.
 #include "xla/service/gpu/backend_configs.pb.h"
 #include "xla/service/gpu/ir_emission_utils.h"
 #include "xla/service/gpu/matmul_utils.h"
-#include "xla/service/gpu/transforms/gemm_fusion.h"
 #include "xla/service/gpu/transforms/gemm_rewriter.h"
+#include "xla/service/gpu/transforms/triton_fusion_rewriter.h"
 #include "xla/service/hlo_module_config.h"
 #include "xla/service/hlo_pass_pipeline.h"
 #include "xla/service/pattern_matcher.h"
@@ -198,10 +198,10 @@ class GemmFusionAutotunerTest : public StatelessAutotunerTest {
   void CheckTritonAutotuning(absl::string_view hlo,
                              absl::string_view expected) {
     HloPassPipeline pipeline("gemm_rewrite");
-    pipeline.AddPass<GemmFusion>(backend()
-                                     .default_stream_executor()
-                                     ->GetDeviceDescription()
-                                     .cuda_compute_capability());
+    pipeline.AddPass<TritonFusionRewriter>(backend()
+                                               .default_stream_executor()
+                                               ->GetDeviceDescription()
+                                               .cuda_compute_capability());
     tsl::thread::ThreadPool thread_pool(tsl::Env::Default(), "",
                                         tsl::port::MaxParallelism());
     DebugOptions opts;
@@ -782,10 +782,10 @@ ENTRY e {
 )";
 
   HloPassPipeline pipeline("gemm_rewrite_deviceless");
-  pipeline.AddPass<GemmFusion>(backend()
-                                   .default_stream_executor()
-                                   ->GetDeviceDescription()
-                                   .cuda_compute_capability());
+  pipeline.AddPass<TritonFusionRewriter>(backend()
+                                             .default_stream_executor()
+                                             ->GetDeviceDescription()
+                                             .cuda_compute_capability());
   tsl::thread::ThreadPool thread_pool(tsl::Env::Default(), "",
                                       tsl::port::MaxParallelism());
   DebugOptions opts;

xla/service/gpu/gpu_compiler.cc

@@ -160,7 +160,6 @@ limitations under the License.
 #include "xla/service/gpu/transforms/dynamic_slice_fusion_rewriter.h"
 #include "xla/service/gpu/transforms/fusion_wrapper.h"
 #include "xla/service/gpu/transforms/gemm_broadcast_folding_rewriter.h"
-#include "xla/service/gpu/transforms/gemm_fusion.h"
 #include "xla/service/gpu/transforms/gemm_rewriter.h"
 #include "xla/service/gpu/transforms/gemv_rewriter.h"
 #include "xla/service/gpu/transforms/layout_assignment.h"
@@ -183,6 +182,7 @@ limitations under the License.
 #include "xla/service/gpu/transforms/transpose_dimension_grouper.h"
 #include "xla/service/gpu/transforms/tree_reduction_rewriter.h"
 #include "xla/service/gpu/transforms/triton_fusion_numerics_verifier.h"
+#include "xla/service/gpu/transforms/triton_fusion_rewriter.h"
 #include "xla/service/gpu/transforms/windowed_einsum_handler.h"
 #include "xla/service/hlo.pb.h"
 #include "xla/service/hlo_computation_deduplicator.h"
@@ -1457,7 +1457,7 @@ absl::Status GpuCompiler::OptimizeHloPostLayoutAssignment(
           cuda_cc->IsAtLeast(se::CudaComputeCapability::AMPERE)) ||
          rocm_cc != nullptr)) {
       pipeline.AddPass<GemvRewriter>();
-      pipeline.AddPass<GemmFusion>(gpu_version);
+      pipeline.AddPass<TritonFusionRewriter>(gpu_version);
     } else if (cuda_cc != nullptr &&
                cuda_cc->major == se::CudaComputeCapability::VOLTA) {
       // Greedy pattern matching for custom kernel fusions.

xla/service/gpu/gpu_compiler_test.cc

@@ -55,6 +55,7 @@ limitations under the License.
 #include "xla/tests/filecheck.h"
 #include "xla/tests/hlo_test_base.h"
 #include "xla/tests/literal_test_util.h"
+#include "xla/tests/verified_hlo_module.h"
 #include "xla/tsl/lib/core/status_test_util.h"
 #include "xla/xla_data.pb.h"
 #include "tsl/platform/casts.h"
@@ -1000,7 +1001,7 @@ ENTRY main {
   bool triton_gemm_rewriter_has_run = false;
   for (const HloPassMetadata& pass_metadata : module_metadata.pass_metadata()) {
     triton_gemm_rewriter_has_run |=
-        pass_metadata.pass_name() == "triton-gemm-rewriter";
+        pass_metadata.pass_name() == "triton-fusion-rewriter";
   }
 
   EXPECT_EQ(triton_gemm_rewriter_has_run, expect_triton_gemm_rewriter_has_run);

xla/service/gpu/transforms/BUILD

@@ -605,7 +605,7 @@ cc_library(
     srcs = ["cublas_pad_for_gemms.cc"],
     hdrs = ["cublas_pad_for_gemms.h"],
     deps = [
-        ":gemm_fusion",
+        ":triton_fusion_rewriter",
         "//xla:literal_util",
         "//xla:shape_util",
         "//xla:util",
@@ -1530,9 +1530,9 @@ xla_test(
 )
 
 cc_library(
-    name = "gemm_fusion",
-    srcs = ["gemm_fusion.cc"],
-    hdrs = ["gemm_fusion.h"],
+    name = "triton_fusion_rewriter",
+    srcs = ["triton_fusion_rewriter.cc"],
+    hdrs = ["triton_fusion_rewriter.h"],
     deps = [
         "//xla:shape_util",
         "//xla:util",
@@ -1563,10 +1563,10 @@ cc_library(
 )
 
 xla_cc_test(
-    name = "gemm_fusion_test",
-    srcs = ["gemm_fusion_test.cc"],
+    name = "triton_fusion_rewriter_test",
+    srcs = ["triton_fusion_rewriter_test.cc"],
     deps = [
-        ":gemm_fusion",
+        ":triton_fusion_rewriter",
         "//xla:autotuning_proto_cc",
         "//xla:xla_data_proto_cc",
         "//xla:xla_proto_cc",

xla/service/gpu/transforms/cublas_pad_for_gemms.cc

@@ -27,7 +27,7 @@ limitations under the License.
 #include "xla/literal_util.h"
 #include "xla/service/gpu/fusions/triton/triton_support_legacy.h"
 #include "xla/service/gpu/ir_emission_utils.h"
-#include "xla/service/gpu/transforms/gemm_fusion.h"
+#include "xla/service/gpu/transforms/triton_fusion_rewriter.h"
 #include "xla/shape.h"
 #include "xla/stream_executor/device_description.h"
 #include "xla/util.h"

xla/service/gpu/transforms/gemm_fusion.cc → xla/service/gpu/transforms/triton_fusion_rewriter.cc

@@ -13,7 +13,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 ==============================================================================*/
 
-#include "xla/service/gpu/transforms/gemm_fusion.h"
+#include "xla/service/gpu/transforms/triton_fusion_rewriter.h"
 
 #include <array>
 #include <cstddef>
@@ -717,9 +717,10 @@ absl::StatusOr<FusionDecision> CreateDotFusion(
 
 // Extracts into fused computations parts of HLO graph including dot()
 // operations that can target the triton GEMM emitter.
-class GemmFusionVisitor : public DfsHloRewriteVisitor {
+class TritonFusionRewriterVisitor : public DfsHloRewriteVisitor {
  public:
-  explicit GemmFusionVisitor(const se::GpuComputeCapability& gpu_version)
+  explicit TritonFusionRewriterVisitor(
+      const se::GpuComputeCapability& gpu_version)
       : gpu_version_(gpu_version) {}
   // Checks that a dot() should be targeting the triton GEMM emitter;
   // if so - fuses all its compatible inputs and outputs as a new computation
@@ -801,7 +802,7 @@ class GemmFusionVisitor : public DfsHloRewriteVisitor {
 
 absl::StatusOr<bool> RunOnComputation(
     HloComputation* computation, const se::GpuComputeCapability& gpu_version) {
-  GemmFusionVisitor visitor(gpu_version);
+  TritonFusionRewriterVisitor visitor(gpu_version);
   TF_RETURN_IF_ERROR(computation->Accept(&visitor));
   return visitor.changed();
 }
@@ -817,7 +818,7 @@ bool ShouldTritonHandleGEMM(HloDotInstruction& dot,
       ->CanFuse();
 }
 
-absl::StatusOr<bool> GemmFusion::Run(
+absl::StatusOr<bool> TritonFusionRewriter::Run(
     HloModule* module,
     const absl::flat_hash_set<absl::string_view>& execution_threads) {
   TF_RETURN_IF_ERROR(

xla/service/gpu/transforms/gemm_fusion.h → xla/service/gpu/transforms/triton_fusion_rewriter.h

@@ -12,8 +12,8 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.
 ==============================================================================*/
-#ifndef XLA_SERVICE_GPU_TRANSFORMS_GEMM_FUSION_H_
-#define XLA_SERVICE_GPU_TRANSFORMS_GEMM_FUSION_H_
+#ifndef XLA_SERVICE_GPU_TRANSFORMS_TRITON_FUSION_REWRITER_H_
+#define XLA_SERVICE_GPU_TRANSFORMS_TRITON_FUSION_REWRITER_H_
 
 // This file contains the code for fusing dots and other operations into Triton
 // GEMM fusions.
@@ -24,7 +24,6 @@ limitations under the License.
 #include "xla/hlo/ir/hlo_instruction.h"
 #include "xla/hlo/ir/hlo_instructions.h"
 #include "xla/service/hlo_pass_interface.h"
-#include "xla/service/instruction_fusion.h"
 #include "xla/stream_executor/device_description.h"
 
 namespace xla {
@@ -36,11 +35,12 @@ bool ShouldTritonHandleGEMM(HloDotInstruction&,
 
 // Rewrite compatible dot() calls into custom calls with fused computations
 // that target Triton-based matmul emitter.
-class GemmFusion : public HloModulePass {
+class TritonFusionRewriter : public HloModulePass {
  public:
-  explicit GemmFusion(const se::GpuComputeCapability& compute_capability)
+  explicit TritonFusionRewriter(
+      const se::GpuComputeCapability& compute_capability)
       : compute_capability_(compute_capability) {}
-  absl::string_view name() const override { return "triton-gemm-rewriter"; }
+  absl::string_view name() const override { return "triton-fusion-rewriter"; }
 
   using HloPassInterface::Run;
   absl::StatusOr<bool> Run(
@@ -54,4 +54,4 @@ class GemmFusion : public HloModulePass {
 }  // namespace gpu
 }  // namespace xla
 
-#endif  // XLA_SERVICE_GPU_TRANSFORMS_GEMM_FUSION_H_
+#endif  // XLA_SERVICE_GPU_TRANSFORMS_TRITON_FUSION_REWRITER_H_