diff --git a/utils/bazel/llvm-project-overlay/llvm/BUILD.bazel b/utils/bazel/llvm-project-overlay/llvm/BUILD.bazel
--- a/utils/bazel/llvm-project-overlay/llvm/BUILD.bazel
+++ b/utils/bazel/llvm-project-overlay/llvm/BUILD.bazel
@@ -2591,16 +2591,18 @@
     name = "Exegesis",
     srcs = glob([
         "tools/llvm-exegesis/lib/*.cpp",
-        "tools/llvm-exegesis/lib/AArch64/*.cpp",
-        "tools/llvm-exegesis/lib/PowerPC/*.cpp",
-        "tools/llvm-exegesis/lib/X86/*.cpp",
-        "tools/llvm-exegesis/lib/X86/*.h",
         # We have to include these headers here as well as in the `hdrs` below
         # to allow the `.cpp` files to use file-relative-inclusion to find
         # them, even though consumers of this library use inclusion relative to
         # `tools/llvm-exegesis/lib` with the `strip_includes_prefix` of this
         # library. This mixture appears to be incompatible with header modules.
         "tools/llvm-exegesis/lib/*.h",
+    ] + [
+        "tools/llvm-exegesis/lib/{}/*.cpp".format(t)
+        for t in llvm_target_exegesis
+    ] + [
+        "tools/llvm-exegesis/lib/{}/*.h".format(t)
+        for t in llvm_target_exegesis
     ]),
     hdrs = glob(["tools/llvm-exegesis/lib/*.h"]),
     copts = llvm_copts + ["-DHAVE_LIBPFM=1"],