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-rw-r--r--lib/msan/lit_tests/vector_select.cc13
1 files changed, 13 insertions, 0 deletions
diff --git a/lib/msan/lit_tests/vector_select.cc b/lib/msan/lit_tests/vector_select.cc
new file mode 100644
index 00000000..e8d55423
--- /dev/null
+++ b/lib/msan/lit_tests/vector_select.cc
@@ -0,0 +1,13 @@
+// RUN: %clangxx_msan -m64 -O0 %s -c -o %t
+// RUN: %clangxx_msan -m64 -O3 %s -c -o %t
+
+// Regression test for MemorySanitizer instrumentation of a select instruction
+// with vector arguments.
+
+#include <emmintrin.h>
+
+__m128d select(bool b, __m128d c, __m128d d)
+{
+ return b ? c : d;
+}
+