diff --git a/llvm/docs/NewPassManager.rst b/llvm/docs/NewPassManager.rst
--- a/llvm/docs/NewPassManager.rst
+++ b/llvm/docs/NewPassManager.rst
@@ -430,6 +430,8 @@
 .. code-block:: shell
 
   $ opt -passes='pass1,pass2' /tmp/a.ll -S
+  # -p is an alias for -passes
+  $ opt -p pass1,pass2 /tmp/a.ll -S
 
 The new PM typically requires explicit pass nesting. For example, to run a
 function pass, then a module pass, we need to wrap the function pass in a module
diff --git a/llvm/test/Other/new-pass-manager.ll b/llvm/test/Other/new-pass-manager.ll
--- a/llvm/test/Other/new-pass-manager.ll
+++ b/llvm/test/Other/new-pass-manager.ll
@@ -8,6 +8,9 @@
 ; RUN: opt -disable-output -disable-verify -verify-cfg-preserved=1 -debug-pass-manager \
 ; RUN:     -passes=no-op-module %s 2>&1 \
 ; RUN:     | FileCheck %s --check-prefix=CHECK-MODULE-PASS
+; RUN: opt -disable-output -disable-verify -verify-cfg-preserved=1 -debug-pass-manager \
+; RUN:     -p no-op-module %s 2>&1 \
+; RUN:     | FileCheck %s --check-prefix=CHECK-MODULE-PASS
 ; CHECK-MODULE-PASS: Running pass: NoOpModulePass
 
 ; RUN: opt -disable-output -disable-verify -verify-cfg-preserved=1 -debug-pass-manager \
diff --git a/llvm/tools/opt/opt.cpp b/llvm/tools/opt/opt.cpp
--- a/llvm/tools/opt/opt.cpp
+++ b/llvm/tools/opt/opt.cpp
@@ -85,6 +85,8 @@
     cl::desc(
         "A textual description of the pass pipeline. To have analysis passes "
         "available before a certain pass, add 'require<foo-analysis>'."));
+static cl::alias PassPipeline2("p", cl::aliasopt(PassPipeline),
+                                   cl::desc("Alias for -passes"));
 
 static cl::opt<bool> PrintPasses("print-passes",
                                  cl::desc("Print available passes that can be "