Integrate LLVM at llvm/llvm-project@85dacca29f

Updates LLVM usage to match
[85dacca29f82](https://github.com/llvm/llvm-project/commit/85dacca29f82)

PiperOrigin-RevId: 328919376
Change-Id: I7b14e2e6d8f05c662efa38370f3f73d69831b6fc

tensorflow/workspace.bzl

@@ -722,8 +722,8 @@ def tf_repositories(path_prefix = "", tf_repo_name = ""):
     )
 
     # Check out LLVM and MLIR from llvm-project.
-    LLVM_COMMIT = "b5924a8e27536d19dd5c4d302db29fb6163d5faa"
-    LLVM_SHA256 = "ec8885fd0fc4068d0420bfb92b10bf200a240dca8a897dfeccfacf72fba310e2"
+    LLVM_COMMIT = "85dacca29f8280fe72ee00adf3678ba06a9e2348"
+    LLVM_SHA256 = "e10aeac0b9d37d195fba2d435f9824eed0de3177c312c4c33142eb0843534f68"
     LLVM_URLS = [
         "https://storage.googleapis.com/mirror.tensorflow.org/github.com/llvm/llvm-project/archive/{commit}.tar.gz".format(commit = LLVM_COMMIT),
         "https://github.com/llvm/llvm-project/archive/{commit}.tar.gz".format(commit = LLVM_COMMIT),

third_party/mlir/BUILD

@@ -595,6 +595,7 @@ cc_library(
         ":LinalgToLLVM",
         ":LinalgToSPIRV",
         ":LinalgToStandard",
+        ":OpenMPToLLVM",
         ":SCFToGPUPass",
         ":SCFToStandard",
         ":SPIRVToLLVM",
@@ -2989,6 +2990,7 @@ cc_library(
         ":NVVMDialect",
         ":OpenACCDialect",
         ":OpenMPDialect",
+        ":OpenMPToLLVM",
         ":PDLDialect",
         ":PDLInterpDialect",
         ":QuantOps",
@@ -3415,6 +3417,30 @@ cc_library(
     ],
 )
 
+cc_library(
+    name = "OpenMPToLLVM",
+    srcs = glob([
+        "lib/Conversion/OpenMPToLLVM/*.cpp",
+        "lib/Conversion/OpenMPToLLVM/*.h",
+    ]) + ["lib/Conversion/PassDetail.h"],
+    hdrs = glob([
+        "include/mlir/Conversion/OpenMPToLLVM/*.h",
+    ]),
+    includes = ["include"],
+    deps = [
+        ":ConversionPassIncGen",
+        ":IR",
+        ":LLVMDialect",
+        ":OpenMPDialect",
+        ":Pass",
+        ":StandardOps",
+        ":StandardToLLVM",
+        ":Transforms",
+        "@llvm-project//llvm:Core",
+        "@llvm-project//llvm:Support",
+    ],
+)
+
 ## QuantOps dialect
 filegroup(
     name = "QuantizationOpsTdFiles",