Index: lld/trunk/ELF/Options.td
===================================================================
--- lld/trunk/ELF/Options.td
+++ lld/trunk/ELF/Options.td
@@ -504,7 +504,9 @@
 def: F<"no-ctors-in-init-array">;
 def: F<"no-keep-memory">;
 def: F<"no-mmap-output-file">;
+def: F<"no-pipeline-knowledge">;
 def: F<"no-warn-mismatch">;
+def: Flag<["-"], "p">;
 def: Separate<["--", "-"], "rpath-link">;
 def: J<"rpath-link=">;
 def: F<"sort-common">;
Index: lld/trunk/test/ELF/silent-ignore.test
===================================================================
--- lld/trunk/test/ELF/silent-ignore.test
+++ lld/trunk/test/ELF/silent-ignore.test
@@ -6,8 +6,10 @@
 RUN:   -no-copy-dt-needed-entries \
 RUN:   -no-ctors-in-init-array \
 RUN:   -no-keep-memory \
+RUN:   -no-pipeline-knowledge \
 RUN:   -no-warn-common \
 RUN:   -no-warn-mismatch \
+RUN:   -p \
 RUN:   -sort-common \
 RUN:   -stats \
 RUN:   -warn-execstack \