build: update llvm tag to 41895843

Summary of changes:
- Update tags
  llvm: 41895843b5915bb78e9d02aa711fa10f7174db43
  mhlo: 4726d31f7025da66de0dea709bd56c462edb83c2

Signed-Off By: Vivek Khandelwal <vivek@nod-labs.com>

e2e_testing/xfail_sets.py

@@ -1180,6 +1180,11 @@ TOSA_PASS_SET = {
     "TupleModule_basic",
     "NumpyTRank0Module_basic",
     "Permute0RankModule_basic",
+    "Add_Module_basic",
+    "SoftmaxIntModule_basic",
+    "SoftmaxIntNegDimModule_basic",
+    "_LogSoftmaxModule_basic",
+    "_SoftmaxModule_basic",
 }
 
 MAKE_FX_TOSA_PASS_SET = (TOSA_PASS_SET | {
@@ -1210,6 +1215,8 @@ MAKE_FX_TOSA_PASS_SET = (TOSA_PASS_SET | {
     # Unimplemented operator 'aten._index_put_impl_.hacked_twin'
     "IndexPutImpl1DFloatNonAccumulateModule_basic",
     "IndexPutImpl1DIntNonAccumulateModule_basic",
+    # RuntimeError: The size of tensor a (7) must match the size of tensor b (3) at non-singleton dimension 1
+    "Add_Module_basic",
 }
 
 if torch_version_for_comparison() < version.parse("2.1.0.dev"):

externals/llvm-project

@@ -1 +1 @@
-Subproject commit 4592543a01609feb4b3c19e81a9d54743e15e329
+Subproject commit 41895843b5915bb78e9d02aa711fa10f7174db43

externals/mlir-hlo

@@ -1 +1 @@
-Subproject commit f6615343fdab2c74bebd23c78366cf097f9a72df
+Subproject commit 4726d31f7025da66de0dea709bd56c462edb83c2

python/torch_mlir/dialects/TorchBinding.td

@@ -10,7 +10,6 @@
 #ifndef PYTHON_BINDINGS_TORCH_OPS
 #define PYTHON_BINDINGS_TORCH_OPS
 
-include "mlir/Bindings/Python/Attributes.td"
 include "torch-mlir/Dialect/Torch/IR/TorchOps.td"
 
 #endif // PYTHON_BINDINGS_TORCH_OPS

python/torch_mlir_e2e_test/linalg_on_tensors_backends/refbackend.py

@@ -163,7 +163,6 @@ LOWERING_PIPELINE = "builtin.module(" + ",".join([
     "func.func(convert-math-to-llvm)",
     # Handle some complex mlir::math ops (e.g. atan2)
     "convert-math-to-libm",
-    "convert-linalg-to-llvm",
     "expand-strided-metadata",
     "finalize-memref-to-llvm",
     "lower-affine",