diff --git a/utils/llvmdo b/utils/llvmdo
index b94328e75a7..5127fc51b81 100755
--- a/utils/llvmdo
+++ b/utils/llvmdo
@@ -18,6 +18,7 @@ if test -d "$TOPDIR" ; then
       \! -name '*~' \
       \! -name '#*' \
       \! -name '*.ll' \
+      \! -name '*.lo' \
       \! -name '*.d' \
       \! -name '*.dir' \
       \! -name 'Sparc.burm.c' \
diff --git a/utils/llvmgrep b/utils/llvmgrep
index 73cfd41b1ef..8a260443725 100755
--- a/utils/llvmgrep
+++ b/utils/llvmgrep
@@ -11,6 +11,7 @@ if test -d "$TOPDIR" ; then
       \! -name '*~' \
       \! -name '#*' \
       \! -name '*.ll' \
+      \! -name '*.lo' \
       \! -name '*.d' \
       \! -name '*.dir' \
       \! -name 'Sparc.burm.c' \