Integrate LLVM at llvm/llvm-project@7ccacaf4428d

Updates LLVM usage to match
[7ccacaf4428d](https://github.com/llvm/llvm-project/commit/7ccacaf4428d)

PiperOrigin-RevId: 423778837
Change-Id: I8048ea061dbb0163f2b695a5935ba1ac938794b3
diff --git a/third_party/llvm/workspace.bzl b/third_party/llvm/workspace.bzl
index 115b97e..596a547 100644
--- a/third_party/llvm/workspace.bzl
+++ b/third_party/llvm/workspace.bzl
@@ -4,8 +4,8 @@
 
 def repo(name):
     """Imports LLVM."""
-    LLVM_COMMIT = "ba093fe58b152e12049663e87536ea15a6de638d"
-    LLVM_SHA256 = "eeb55c2828011957fe4f3108bc3487a16607631a4f1aedff4e4c3d4b96d57d63"
+    LLVM_COMMIT = "7ccacaf4428d1712029594184baa6f617a51c340"
+    LLVM_SHA256 = "312ec01fc8aad123c06f1504ee719677ddd518c1a429bdda66f31e7193e262ec"
 
     tf_http_archive(
         name = name,