diff --git a/test/CodeGen/AArch64/arm64-regress-opt-cmp.mir b/test/CodeGen/AArch64/arm64-regress-opt-cmp.mir
index 525c8e140ca..50344db317f 100644
--- a/test/CodeGen/AArch64/arm64-regress-opt-cmp.mir
+++ b/test/CodeGen/AArch64/arm64-regress-opt-cmp.mir
@@ -1,4 +1,4 @@
-# RUN: llc -mtriple=aarch64-linux-gnu -run-pass peephole-opts %s 2>&1 | FileCheck %s
+# RUN: llc -mtriple=aarch64-linux-gnu -run-pass peephole-opts -o - %s 2>&1 | FileCheck %s
 # CHECK: %1 = ANDWri {{.*}}
 # CHECK-NEXT: %wzr = SUBSWri {{.*}}
 --- |