diff --git a/utils/bazel/llvm-project-overlay/clang/BUILD.bazel b/utils/bazel/llvm-project-overlay/clang/BUILD.bazel
index 0beac88912e8d..acd598d3db9aa 100644
--- a/utils/bazel/llvm-project-overlay/clang/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/clang/BUILD.bazel
@@ -1735,6 +1735,7 @@ cc_library(
         "//llvm:Linker",
         "//llvm:MC",
         "//llvm:Option",
+        "//llvm:Plugins",
         "//llvm:ProfileData",
         "//llvm:Remarks",
         "//llvm:Support",
@@ -1868,6 +1869,7 @@ cc_library(
         "//llvm:ObjCARC",
         "//llvm:Object",
         "//llvm:Passes",
+        "//llvm:Plugins",
         "//llvm:ProfileData",
         "//llvm:Scalar",
         "//llvm:Support",
@@ -2375,6 +2377,7 @@ cc_binary(
         "//llvm:Object",
         "//llvm:Option",
         "//llvm:Passes",
+        "//llvm:Plugins",
         "//llvm:Remarks",
         "//llvm:Support",
         "//llvm:Target",
diff --git a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
index 7e94b10b123b6..913e913572b14 100644
--- a/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/libc/BUILD.bazel
@@ -815,6 +815,7 @@ libc_support_library(
     name = "__support_blockstore",
     hdrs = ["src/__support/blockstore.h"],
     deps = [
+        ":__support_alloc_checker",
         ":__support_cpp_array",
         ":__support_cpp_new",
         ":__support_libc_assert",
@@ -1087,6 +1088,7 @@ libc_support_library(
     ],
     hdrs = ["src/__support/File/file.h"],
     deps = [
+        ":__support_alloc_checker",
         ":__support_cpp_new",
         ":__support_cpp_span",
         ":__support_error_or",
@@ -1103,6 +1105,16 @@ libc_support_library(
     ],
 )
 
+libc_support_library(
+    name = "__support_alloc_checker",
+    hdrs = ["src/__support/alloc-checker.h"],
+    deps = [
+        ":__support_cpp_new",
+        ":__support_cpp_type_traits",
+        ":__support_macros_config",
+    ],
+)
+
 libc_support_library(
     name = "__support_file_linux_lseekimpl",
     hdrs = ["src/__support/File/linux/lseekImpl.h"],
diff --git a/utils/bazel/llvm-project-overlay/llvm/BUILD.bazel b/utils/bazel/llvm-project-overlay/llvm/BUILD.bazel
index 4e27ad5050671..bb7420263a017 100644
--- a/utils/bazel/llvm-project-overlay/llvm/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/llvm/BUILD.bazel
@@ -3897,6 +3897,17 @@ cc_library(
     ],
 )
 
+cc_library(
+    name = "Plugins",
+    srcs = ["lib/Plugins/PassPlugin.cpp"],
+    hdrs = ["include/llvm/Plugins/PassPlugin.h"],
+    copts = llvm_copts,
+    includes = ["include"],
+    deps = [
+        ":Support",
+    ],
+)
+
 cc_library(
     name = "LTO",
     srcs = glob([
@@ -3926,6 +3937,7 @@ cc_library(
         ":ObjCARC",
         ":Object",
         ":Passes",
+        ":Plugins",
         ":Remarks",
         ":Scalar",
         ":Support",
@@ -4556,6 +4568,7 @@ cc_binary(
         ":IRReader",
         ":MC",
         ":Passes",
+        ":Plugins",
         ":Remarks",
         ":Scalar",
         ":Support",
@@ -5289,6 +5302,7 @@ cc_binary(
         ":Core",
         ":LTO",
         ":Passes",
+        ":Plugins",
         ":Remarks",
         ":Support",
     ],
@@ -6077,6 +6091,7 @@ cc_library(
         ":Instrumentation",
         ":MC",
         ":Passes",
+        ":Plugins",
         ":Remarks",
         ":Scalar",
         ":Support",
@@ -6315,6 +6330,7 @@ cc_binary(
         ":IRReader",
         ":Linker",
         ":Passes",
+        ":Plugins",
         ":Scalar",
         ":Support",
         ":TargetParser",
@@ -6391,6 +6407,7 @@ cc_binary(
         ":Object",
         ":OrcJIT",
         ":Passes",
+        ":Plugins",
         ":Remarks",
         ":Scalar",
         ":Support",
diff --git a/utils/bazel/llvm-project-overlay/llvm/unittests/BUILD.bazel b/utils/bazel/llvm-project-overlay/llvm/unittests/BUILD.bazel
index 0ecd704fe0a62..82b64332b7ae8 100644
--- a/utils/bazel/llvm-project-overlay/llvm/unittests/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/llvm/unittests/BUILD.bazel
@@ -41,6 +41,7 @@ cc_library(
         "//llvm:Analysis",
         "//llvm:Core",
         "//llvm:Passes",
+        "//llvm:Plugins",
         "//llvm:Support",
     ],
 )
@@ -62,6 +63,7 @@ cc_test(
         "//llvm:AsmParser",
         "//llvm:Core",
         "//llvm:Passes",
+        "//llvm:Plugins",
         "//llvm:Support",
         "//llvm:TestingSupport",
         "//llvm:attributes_gen",
@@ -78,6 +80,7 @@ cc_library(
         "//llvm:Analysis",
         "//llvm:Core",
         "//llvm:Passes",
+        "//llvm:Plugins",
         "//llvm:Support",
     ],
 )
@@ -99,6 +102,7 @@ cc_test(
         "//llvm:AsmParser",
         "//llvm:Core",
         "//llvm:Passes",
+        "//llvm:Plugins",
         "//llvm:Support",
         "//llvm:TestingSupport",
         "//llvm:attributes_gen",
@@ -136,6 +140,7 @@ cc_test(
         "//llvm:FrontendHLSL",
         "//llvm:Instrumentation",
         "//llvm:Passes",
+        "//llvm:Plugins",
         "//llvm:Support",
         "//llvm:TargetParser",
         "//llvm:TestingSupport",
@@ -252,6 +257,7 @@ cc_test(
         "//llvm:Core",
         "//llvm:MC",
         "//llvm:Passes",
+        "//llvm:Plugins",
         "//llvm:Support",
         "//llvm:Target",
         "//llvm:TestingSupport",
@@ -381,6 +387,7 @@ cc_test(
         "//llvm:MC",
         "//llvm:MCJIT",
         "//llvm:Passes",
+        "//llvm:Plugins",
         "//llvm:Support",
         "//llvm:Target",
         "//llvm:TargetParser",
@@ -476,6 +483,7 @@ cc_test(
         "//llvm:CodeGen",
         "//llvm:Core",
         "//llvm:Passes",
+        "//llvm:Plugins",
         "//llvm:Scalar",
         "//llvm:Support",
         "//llvm:TargetParser",
@@ -518,6 +526,7 @@ cc_test(
         "//llvm:FrontendOpenACC",
         "//llvm:FrontendOpenMP",
         "//llvm:Passes",
+        "//llvm:Plugins",
         "//llvm:Support",
         "//llvm:TargetParser",
         "//llvm:TestingSupport",
@@ -902,6 +911,7 @@ cc_test(
         "//llvm:IPO",
         "//llvm:IRReader",
         "//llvm:Passes",
+        "//llvm:Plugins",
         "//llvm:ProfileData",
         "//llvm:Support",
         "//llvm:TestingSupport",
diff --git a/utils/bazel/llvm-project-overlay/mlir/BUILD.bazel b/utils/bazel/llvm-project-overlay/mlir/BUILD.bazel
index 23672b06c9312..926285c520e71 100644
--- a/utils/bazel/llvm-project-overlay/mlir/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/mlir/BUILD.bazel
@@ -10453,6 +10453,8 @@ cc_library(
         ":OpenACCOpsIncGen",
         ":OpenACCPassIncGen",
         ":OpenACCTypeInterfacesIncGen",
+        ":SCFDialect",
+        ":SCFUtils",
         ":Support",
         ":TransformUtils",
         ":ViewLikeInterface",