Integrate LLVM at llvm/llvm-project@97298853b4de

Updates LLVM usage to match
[97298853b4de](llvm/llvm-project@97298853b4de)

PiperOrigin-RevId: 696509493

third_party/llvm/generated.patch

@@ -1 +1,13 @@
 Auto generated patch. Do not edit or delete it, even if empty.
+diff -ruN --strip-trailing-cr a/llvm/lib/Transforms/Utils/CodeExtractor.cpp b/llvm/lib/Transforms/Utils/CodeExtractor.cpp
+--- a/llvm/lib/Transforms/Utils/CodeExtractor.cpp
++++ b/llvm/lib/Transforms/Utils/CodeExtractor.cpp
+@@ -1465,7 +1465,7 @@
+           : Suffix;
+
+   ValueSet StructValues;
+-  StructType *StructTy;
++  StructType *StructTy = nullptr;
+   Function *newFunction = constructFunctionDeclaration(
+       inputs, outputs, EntryFreq, oldFunction->getName() + "." + SuffixToUse,
+       StructValues, StructTy);

third_party/llvm/workspace.bzl

@@ -4,8 +4,8 @@ load("//third_party:repo.bzl", "tf_http_archive")
 
 def repo(name):
     """Imports LLVM."""
-    LLVM_COMMIT = "01d233ff403823389f8480897e41aea84ecbb3d3"
-    LLVM_SHA256 = "283a1d9c251d5028ae78f7a659816588fedaa6a8ba5733bee7249724fb3ed2bc"
+    LLVM_COMMIT = "97298853b4de70dbce9c0a140ac38e3ac179e02e"
+    LLVM_SHA256 = "ac811cb61d281043c865c39260a5114a0e96d16ec0e4eb74a2516a24981b9064"
 
     tf_http_archive(
         name = name,