diff --git a/build_tools/bazel/iree_bitcode_library.bzl b/build_tools/bazel/iree_bitcode_library.bzl
index 0a01299..89ad587 100644
--- a/build_tools/bazel/iree_bitcode_library.bzl
+++ b/build_tools/bazel/iree_bitcode_library.bzl
@@ -89,6 +89,9 @@
         # This must match what the runtime is built with.
         "-fno-short-wchar",
 
+        # Enable inline asm.
+        "-fasm",
+
         # Object file only in bitcode format:
         "-c",
         "-emit-llvm",