diff --git a/clang/lib/Driver/ToolChains/Clang.cpp b/clang/lib/Driver/ToolChains/Clang.cpp
--- a/clang/lib/Driver/ToolChains/Clang.cpp
+++ b/clang/lib/Driver/ToolChains/Clang.cpp
@@ -5849,8 +5849,8 @@
 
   if (Arg *A = Args.getLastArg(options::OPT_fsplit_machine_functions,
                                options::OPT_fno_split_machine_functions)) {
-    // This codegen pass is only available on x86-elf targets.
-    if (Triple.isX86() && Triple.isOSBinFormatELF()) {
+    // This codegen pass is only available on x86 and AArch64 ELF targets.
+    if ((Triple.isX86() || Triple.isAArch64()) && Triple.isOSBinFormatELF()) {
       if (A->getOption().matches(options::OPT_fsplit_machine_functions))
         A->render(Args, CmdArgs);
     } else {
diff --git a/clang/test/Driver/fsplit-machine-functions.c b/clang/test/Driver/fsplit-machine-functions.c
--- a/clang/test/Driver/fsplit-machine-functions.c
+++ b/clang/test/Driver/fsplit-machine-functions.c
@@ -1,6 +1,7 @@
 // RUN: %clang -### -target x86_64 -fprofile-use=default.profdata -fsplit-machine-functions %s -c 2>&1 | FileCheck -check-prefix=CHECK-OPT %s
 // RUN: %clang -### -target x86_64 -fsplit-machine-functions %s -c 2>&1 | FileCheck -check-prefix=CHECK-OPT %s
 // RUN: %clang -### -target x86_64 -fprofile-use=default.profdata -fsplit-machine-functions -fno-split-machine-functions %s -c 2>&1 | FileCheck -check-prefix=CHECK-NOOPT %s
+// RUN: %clang -### --target=aarch64 -fprofile-use=default.profdata -fsplit-machine-functions %s -c 2>&1 | FileCheck -check-prefix=CHECK-OPT %s
 // RUN: not %clang -c -target arm-unknown-linux -fsplit-machine-functions %s 2>&1 | FileCheck -check-prefix=CHECK-TRIPLE %s
 
 // CHECK-OPT:       "-fsplit-machine-functions"