diff --git a/llvm/cmake/modules/HandleLLVMOptions.cmake b/llvm/cmake/modules/HandleLLVMOptions.cmake
--- a/llvm/cmake/modules/HandleLLVMOptions.cmake
+++ b/llvm/cmake/modules/HandleLLVMOptions.cmake
@@ -195,6 +195,12 @@
     # XL generates a small number of relocations not of the large model, -bbigtoc is needed.
     append("-Wl,-bbigtoc"
            CMAKE_EXE_LINKER_FLAGS CMAKE_MODULE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS)
+    # The default behaviour on AIX processes dynamic initialization of non-local variables with
+    # static storage duration even for archive members that are otherwise unreferenced.
+    # Since `--whole-archive` is not used by the LLVM build to keep such initializations for Linux,
+    # we can limit the processing for archive members to only those that are otherwise referenced.
+    append("-bcdtors:mbr"
+           CMAKE_EXE_LINKER_FLAGS CMAKE_MODULE_LINKER_FLAGS CMAKE_SHARED_LINKER_FLAGS)
   endif()
 endif()