Integrate llvm-project at bc8de519ea6d (#12366)

* Reset third_party/llvm-project: bc8de519ea6d47a6d1602508eb24594493e9912e (2023-02-24 10:24:47 +0100): [mlir][IR] Add Iterator template option to IR walkers
* mlir-hlo: 5e4debc247e1ff153d7643482d71c861007a7bec
* tensorflow: eece4dba1fc65f7977085581852b0d6e6d42f04e

benchmarks: x86_64, cuda, comp-stats
diff --git a/integrations/tensorflow/WORKSPACE b/integrations/tensorflow/WORKSPACE
index 53da59c..8ff2d5b 100644
--- a/integrations/tensorflow/WORKSPACE
+++ b/integrations/tensorflow/WORKSPACE
@@ -7,7 +7,7 @@
 
 load("@bazel_tools//tools/build_defs/repo:git.bzl", "git_repository")
 
-TENSORFLOW_COMMIT = "f9eb055db5ee5f3889997f209f8c6efb7842caaa"
+TENSORFLOW_COMMIT = "eece4dba1fc65f7977085581852b0d6e6d42f04e"
 
 git_repository(
     name = "org_tensorflow",
diff --git a/third_party/llvm-project b/third_party/llvm-project
index 219ba2f..bc8de51 160000
--- a/third_party/llvm-project
+++ b/third_party/llvm-project
@@ -1 +1 @@
-Subproject commit 219ba2fb7b0ae89101f3c81a47fe4fc4aa80dea4
+Subproject commit bc8de519ea6d47a6d1602508eb24594493e9912e
diff --git a/third_party/mlir-hlo b/third_party/mlir-hlo
index 9106b78..5e4debc 160000
--- a/third_party/mlir-hlo
+++ b/third_party/mlir-hlo
@@ -1 +1 @@
-Subproject commit 9106b783fbd292cfd400ddcfdf8274ee6e738d8e
+Subproject commit 5e4debc247e1ff153d7643482d71c861007a7bec