diff --git a/clang/test/CodeGen/64bit-swiftcall.c b/clang/test/CodeGen/64bit-swiftcall.c
index a027129a4bbbb2..f1fb8e10dc0ad2 100644
--- a/clang/test/CodeGen/64bit-swiftcall.c
+++ b/clang/test/CodeGen/64bit-swiftcall.c
@@ -125,7 +125,7 @@ TEST(struct_1);
 // CHECK:   [[T0:%.*]] = load i64, i64* [[GEP0]], align 4
 // CHECK:   [[GEP1:%.*]] = getelementptr inbounds { i64, i64 }, { i64, i64 }* [[CAST]], i32 0, i32 1
 // CHECK:   [[T1:%.*]] = load i64, i64* [[GEP1]], align 4
-// CHECK:   [[R0:%.*]] = insertvalue { i64, i64 } undef, i64 [[T0]], 0
+// CHECK:   [[R0:%.*]] = insertvalue { i64, i64 } poison, i64 [[T0]], 0
 // CHECK:   [[R1:%.*]] = insertvalue { i64, i64 } [[R0]], i64 [[T1]], 1
 // CHECK:   ret { i64, i64 } [[R1]]
 // CHECK: }
@@ -174,7 +174,7 @@ TEST(struct_2);
 // CHECK:   [[T0:%.*]] = load i64, i64* [[GEP0]], align 4
 // CHECK:   [[GEP1:%.*]] = getelementptr inbounds { i64, i64 }, { i64, i64 }* [[CAST]], i32 0, i32 1
 // CHECK:   [[T1:%.*]] = load i64, i64* [[GEP1]], align 4
-// CHECK:   [[R0:%.*]] = insertvalue { i64, i64 } undef, i64 [[T0]], 0
+// CHECK:   [[R0:%.*]] = insertvalue { i64, i64 } poison, i64 [[T0]], 0
 // CHECK:   [[R1:%.*]] = insertvalue { i64, i64 } [[R0]], i64 [[T1]], 1
 // CHECK:   ret { i64, i64 } [[R1]]
 // CHECK: }
@@ -395,7 +395,7 @@ TEST(int8)
 // CHECK:   [[FIRST:%.*]] = load <4 x i32>, <4 x i32>* [[T0]], align
 // CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
 // CHECK:   [[SECOND:%.*]] = load <4 x i32>, <4 x i32>* [[T0]], align
-// CHECK:   [[T0:%.*]] = insertvalue [[UAGG:{ <4 x i32>, <4 x i32> }]] undef, <4 x i32> [[FIRST]], 0
+// CHECK:   [[T0:%.*]] = insertvalue [[UAGG:{ <4 x i32>, <4 x i32> }]] poison, <4 x i32> [[FIRST]], 0
 // CHECK:   [[T1:%.*]] = insertvalue [[UAGG]] [[T0]], <4 x i32> [[SECOND]], 1
 // CHECK:   ret [[UAGG]] [[T1]]
 // CHECK-LABEL: define {{.*}} @take_int8(<4 x i32> %0, <4 x i32> %1)
@@ -439,7 +439,7 @@ TEST(int5)
 // CHECK:   [[FIRST:%.*]] = load <4 x i32>, <4 x i32>* [[T0]], align
 // CHECK:   [[T0:%.*]] = getelementptr inbounds [[AGG]], [[AGG]]* [[CAST_TMP]], i32 0, i32 1
 // CHECK:   [[SECOND:%.*]] = load i32, i32* [[T0]], align
-// CHECK:   [[T0:%.*]] = insertvalue [[UAGG:{ <4 x i32>, i32 }]] undef, <4 x i32> [[FIRST]], 0
+// CHECK:   [[T0:%.*]] = insertvalue [[UAGG:{ <4 x i32>, i32 }]] poison, <4 x i32> [[FIRST]], 0
 // CHECK:   [[T1:%.*]] = insertvalue [[UAGG]] [[T0]], i32 [[SECOND]], 1
 // CHECK:   ret [[UAGG]] [[T1]]
 // CHECK-LABEL: define {{.*}} @take_int5(<4 x i32> %0, i32 %1)