1 files changed, 10 insertions, 0 deletions
diff --git a/llvm/unittests/Analysis/ValueTrackingTest.cpp b/llvm/unittests/Analysis/ValueTrackingTest.cpp
index 559a0b7..bb0280ee 100644
--- a/llvm/unittests/Analysis/ValueTrackingTest.cpp
+++ b/llvm/unittests/Analysis/ValueTrackingTest.cpp
@@ -1091,6 +1091,16 @@ TEST_F(ValueTrackingTest, isGuaranteedNotToBeUndefOrPoison) {
   }
 }
 
+TEST_F(ValueTrackingTest, isGuaranteedNotToBeUndefOrPoison_splat) {
+  parseAssembly(
+      "define <4 x i32> @test(i32 noundef %x) {\n"
+      "  %ins = insertelement <4 x i32> poison, i32 %x, i32 0\n"
+      "  %A = shufflevector <4 x i32> %ins, <4 x i32> poison, <4 x i32> zeroinitializer\n"
+      "  ret <4 x i32> %A\n"
+      "}");
+  EXPECT_TRUE(isGuaranteedNotToBeUndefOrPoison(A));
+}
+
 TEST_F(ValueTrackingTest, isGuaranteedNotToBeUndefOrPoison_assume) {
   parseAssembly("declare i1 @f_i1()\n"
                 "declare i32 @f_i32()\n"