1 files changed, 14 insertions, 0 deletions
diff --git a/clang/test/Driver/cl-options.c b/clang/test/Driver/cl-options.c
index ca0c72ca60e..aa97c1eb888 100644
--- a/clang/test/Driver/cl-options.c
+++ b/clang/test/Driver/cl-options.c
@@ -619,5 +619,19 @@
 // RUN:     --version \
 // RUN:     -Werror /Zs -- %s 2>&1
 
+// Accept clang options under the /clang: flag.
+// The first test case ensures that the SLP vectorizer is on by default and that
+// it's being turned off by the /clang:-fno-slp-vectorize flag.
+
+// RUN: %clang_cl -O2 -### -- %s 2>&1 | FileCheck -check-prefix=NOCLANG %s
+// NOCLANG: "--dependent-lib=libcmt"
+// NOCLANG-SAME: "-vectorize-slp"
+// NOCLANG-NOT: "--dependent-lib=msvcrt"
+
+// RUN: %clang_cl -O2 -MD /clang:-fno-slp-vectorize /clang:-MD /clang:-MF /clang:my_dependency_file.dep -### -- %s 2>&1 | FileCheck -check-prefix=CLANG %s
+// CLANG: "--dependent-lib=msvcrt"
+// CLANG-SAME: "-dependency-file" "my_dependency_file.dep"
+// CLANG-NOT: "--dependent-lib=libcmt"
+// CLANG-NOT: "-vectorize-slp"
 
 void f() { }