using poisonusers/zhaoqi5/tests-for-vmulw

2 files changed, 112 insertions, 112 deletions

diff --git a/llvm/test/CodeGen/LoongArch/lasx/ir-instruction/mulwev_od.ll b/llvm/test/CodeGen/LoongArch/lasx/ir-instruction/mulwev_od.ll
index a1cad306d260..c8796b839913 100644
--- a/llvm/test/CodeGen/LoongArch/lasx/ir-instruction/mulwev_od.ll
+++ b/llvm/test/CodeGen/LoongArch/lasx/ir-instruction/mulwev_od.ll
@@ -113,8 +113,8 @@ define void @vmulwev_h_b(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <32 x i8>, ptr %a
   %vb = load <32 x i8>, ptr %b
-  %vas = shufflevector <32 x i8> %va, <32 x i8> undef, <16 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14, i32 16, i32 18, i32 20, i32 22, i32 24, i32 26, i32 28, i32 30>
-  %vbs = shufflevector <32 x i8> %vb, <32 x i8> undef, <16 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14, i32 16, i32 18, i32 20, i32 22, i32 24, i32 26, i32 28, i32 30>
+  %vas = shufflevector <32 x i8> %va, <32 x i8> poison, <16 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14, i32 16, i32 18, i32 20, i32 22, i32 24, i32 26, i32 28, i32 30>
+  %vbs = shufflevector <32 x i8> %vb, <32 x i8> poison, <16 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14, i32 16, i32 18, i32 20, i32 22, i32 24, i32 26, i32 28, i32 30>
   %vae = sext <16 x i8> %vas to <16 x i16>
   %vbe = sext <16 x i8> %vbs to <16 x i16>
   %mul = mul <16 x i16> %vae, %vbe
@@ -185,8 +185,8 @@ define void @vmulwev_w_h(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <16 x i16>, ptr %a
   %vb = load <16 x i16>, ptr %b
-  %vas = shufflevector <16 x i16> %va, <16 x i16> undef, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
-  %vbs = shufflevector <16 x i16> %vb, <16 x i16> undef, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
+  %vas = shufflevector <16 x i16> %va, <16 x i16> poison, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
+  %vbs = shufflevector <16 x i16> %vb, <16 x i16> poison, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
   %vae = sext <8 x i16> %vas to <8 x i32>
   %vbe = sext <8 x i16> %vbs to <8 x i32>
   %mul = mul <8 x i32> %vae, %vbe
@@ -265,8 +265,8 @@ define void @vmulwev_d_w(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <8 x i32>, ptr %a
   %vb = load <8 x i32>, ptr %b
-  %vas = shufflevector <8 x i32> %va, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
-  %vbs = shufflevector <8 x i32> %vb, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
+  %vas = shufflevector <8 x i32> %va, <8 x i32> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
+  %vbs = shufflevector <8 x i32> %vb, <8 x i32> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
   %vae = sext <4 x i32> %vas to <4 x i64>
   %vbe = sext <4 x i32> %vbs to <4 x i64>
   %mul = mul <4 x i64> %vae, %vbe
@@ -411,8 +411,8 @@ define void @vmulwev_q_d(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <4 x i64>, ptr %a
   %vb = load <4 x i64>, ptr %b
-  %vas = shufflevector <4 x i64> %va, <4 x i64> undef, <2 x i32> <i32 0, i32 2>
-  %vbs = shufflevector <4 x i64> %vb, <4 x i64> undef, <2 x i32> <i32 0, i32 2>
+  %vas = shufflevector <4 x i64> %va, <4 x i64> poison, <2 x i32> <i32 0, i32 2>
+  %vbs = shufflevector <4 x i64> %vb, <4 x i64> poison, <2 x i32> <i32 0, i32 2>
   %vae = sext <2 x i64> %vas to <2 x i128>
   %vbe = sext <2 x i64> %vbs to <2 x i128>
   %mul = mul <2 x i128> %vae, %vbe
@@ -531,8 +531,8 @@ define void @vmulwod_h_b(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <32 x i8>, ptr %a
   %vb = load <32 x i8>, ptr %b
-  %vas = shufflevector <32 x i8> %va, <32 x i8> undef, <16 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15, i32 17, i32 19, i32 21, i32 23, i32 25, i32 27, i32 29, i32 31>
-  %vbs = shufflevector <32 x i8> %vb, <32 x i8> undef, <16 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15, i32 17, i32 19, i32 21, i32 23, i32 25, i32 27, i32 29, i32 31>
+  %vas = shufflevector <32 x i8> %va, <32 x i8> poison, <16 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15, i32 17, i32 19, i32 21, i32 23, i32 25, i32 27, i32 29, i32 31>
+  %vbs = shufflevector <32 x i8> %vb, <32 x i8> poison, <16 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15, i32 17, i32 19, i32 21, i32 23, i32 25, i32 27, i32 29, i32 31>
   %vae = sext <16 x i8> %vas to <16 x i16>
   %vbe = sext <16 x i8> %vbs to <16 x i16>
   %mul = mul <16 x i16> %vae, %vbe
@@ -603,8 +603,8 @@ define void @vmulwod_w_h(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <16 x i16>, ptr %a
   %vb = load <16 x i16>, ptr %b
-  %vas = shufflevector <16 x i16> %va, <16 x i16> undef, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
-  %vbs = shufflevector <16 x i16> %vb, <16 x i16> undef, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
+  %vas = shufflevector <16 x i16> %va, <16 x i16> poison, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
+  %vbs = shufflevector <16 x i16> %vb, <16 x i16> poison, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
   %vae = sext <8 x i16> %vas to <8 x i32>
   %vbe = sext <8 x i16> %vbs to <8 x i32>
   %mul = mul <8 x i32> %vae, %vbe
@@ -683,8 +683,8 @@ define void @vmulwod_d_w(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <8 x i32>, ptr %a
   %vb = load <8 x i32>, ptr %b
-  %vas = shufflevector <8 x i32> %va, <8 x i32> undef, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
-  %vbs = shufflevector <8 x i32> %vb, <8 x i32> undef, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
+  %vas = shufflevector <8 x i32> %va, <8 x i32> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
+  %vbs = shufflevector <8 x i32> %vb, <8 x i32> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
   %vae = sext <4 x i32> %vas to <4 x i64>
   %vbe = sext <4 x i32> %vbs to <4 x i64>
   %mul = mul <4 x i64> %vae, %vbe
@@ -829,8 +829,8 @@ define void @vmulwod_q_d(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <4 x i64>, ptr %a
   %vb = load <4 x i64>, ptr %b
-  %vas = shufflevector <4 x i64> %va, <4 x i64> undef, <2 x i32> <i32 1, i32 3>
-  %vbs = shufflevector <4 x i64> %vb, <4 x i64> undef, <2 x i32> <i32 1, i32 3>
+  %vas = shufflevector <4 x i64> %va, <4 x i64> poison, <2 x i32> <i32 1, i32 3>
+  %vbs = shufflevector <4 x i64> %vb, <4 x i64> poison, <2 x i32> <i32 1, i32 3>
   %vae = sext <2 x i64> %vas to <2 x i128>
   %vbe = sext <2 x i64> %vbs to <2 x i128>
   %mul = mul <2 x i128> %vae, %vbe
@@ -949,8 +949,8 @@ define void @vmulwev_h_bu(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <32 x i8>, ptr %a
   %vb = load <32 x i8>, ptr %b
-  %vas = shufflevector <32 x i8> %va, <32 x i8> undef, <16 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14, i32 16, i32 18, i32 20, i32 22, i32 24, i32 26, i32 28, i32 30>
-  %vbs = shufflevector <32 x i8> %vb, <32 x i8> undef, <16 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14, i32 16, i32 18, i32 20, i32 22, i32 24, i32 26, i32 28, i32 30>
+  %vas = shufflevector <32 x i8> %va, <32 x i8> poison, <16 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14, i32 16, i32 18, i32 20, i32 22, i32 24, i32 26, i32 28, i32 30>
+  %vbs = shufflevector <32 x i8> %vb, <32 x i8> poison, <16 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14, i32 16, i32 18, i32 20, i32 22, i32 24, i32 26, i32 28, i32 30>
   %vae = zext <16 x i8> %vas to <16 x i16>
   %vbe = zext <16 x i8> %vbs to <16 x i16>
   %mul = mul <16 x i16> %vae, %vbe
@@ -1081,8 +1081,8 @@ define void @vmulwev_w_hu(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <16 x i16>, ptr %a
   %vb = load <16 x i16>, ptr %b
-  %vas = shufflevector <16 x i16> %va, <16 x i16> undef, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
-  %vbs = shufflevector <16 x i16> %vb, <16 x i16> undef, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
+  %vas = shufflevector <16 x i16> %va, <16 x i16> poison, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
+  %vbs = shufflevector <16 x i16> %vb, <16 x i16> poison, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
   %vae = zext <8 x i16> %vas to <8 x i32>
   %vbe = zext <8 x i16> %vbs to <8 x i32>
   %mul = mul <8 x i32> %vae, %vbe
@@ -1151,8 +1151,8 @@ define void @vmulwev_d_wu(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <8 x i32>, ptr %a
   %vb = load <8 x i32>, ptr %b
-  %vas = shufflevector <8 x i32> %va, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
-  %vbs = shufflevector <8 x i32> %vb, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
+  %vas = shufflevector <8 x i32> %va, <8 x i32> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
+  %vbs = shufflevector <8 x i32> %vb, <8 x i32> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
   %vae = zext <4 x i32> %vas to <4 x i64>
   %vbe = zext <4 x i32> %vbs to <4 x i64>
   %mul = mul <4 x i64> %vae, %vbe
@@ -1243,8 +1243,8 @@ define void @vmulwev_q_du(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <4 x i64>, ptr %a
   %vb = load <4 x i64>, ptr %b
-  %vas = shufflevector <4 x i64> %va, <4 x i64> undef, <2 x i32> <i32 0, i32 2>
-  %vbs = shufflevector <4 x i64> %vb, <4 x i64> undef, <2 x i32> <i32 0, i32 2>
+  %vas = shufflevector <4 x i64> %va, <4 x i64> poison, <2 x i32> <i32 0, i32 2>
+  %vbs = shufflevector <4 x i64> %vb, <4 x i64> poison, <2 x i32> <i32 0, i32 2>
   %vae = zext <2 x i64> %vas to <2 x i128>
   %vbe = zext <2 x i64> %vbs to <2 x i128>
   %mul = mul <2 x i128> %vae, %vbe
@@ -1363,8 +1363,8 @@ define void @vmulwod_h_bu(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <32 x i8>, ptr %a
   %vb = load <32 x i8>, ptr %b
-  %vas = shufflevector <32 x i8> %va, <32 x i8> undef, <16 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15, i32 17, i32 19, i32 21, i32 23, i32 25, i32 27, i32 29, i32 31>
-  %vbs = shufflevector <32 x i8> %vb, <32 x i8> undef, <16 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15, i32 17, i32 19, i32 21, i32 23, i32 25, i32 27, i32 29, i32 31>
+  %vas = shufflevector <32 x i8> %va, <32 x i8> poison, <16 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15, i32 17, i32 19, i32 21, i32 23, i32 25, i32 27, i32 29, i32 31>
+  %vbs = shufflevector <32 x i8> %vb, <32 x i8> poison, <16 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15, i32 17, i32 19, i32 21, i32 23, i32 25, i32 27, i32 29, i32 31>
   %vae = zext <16 x i8> %vas to <16 x i16>
   %vbe = zext <16 x i8> %vbs to <16 x i16>
   %mul = mul <16 x i16> %vae, %vbe
@@ -1495,8 +1495,8 @@ define void @vmulwod_w_hu(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <16 x i16>, ptr %a
   %vb = load <16 x i16>, ptr %b
-  %vas = shufflevector <16 x i16> %va, <16 x i16> undef, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
-  %vbs = shufflevector <16 x i16> %vb, <16 x i16> undef, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
+  %vas = shufflevector <16 x i16> %va, <16 x i16> poison, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
+  %vbs = shufflevector <16 x i16> %vb, <16 x i16> poison, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
   %vae = zext <8 x i16> %vas to <8 x i32>
   %vbe = zext <8 x i16> %vbs to <8 x i32>
   %mul = mul <8 x i32> %vae, %vbe
@@ -1567,8 +1567,8 @@ define void @vmulwod_d_wu(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <8 x i32>, ptr %a
   %vb = load <8 x i32>, ptr %b
-  %vas = shufflevector <8 x i32> %va, <8 x i32> undef, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
-  %vbs = shufflevector <8 x i32> %vb, <8 x i32> undef, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
+  %vas = shufflevector <8 x i32> %va, <8 x i32> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
+  %vbs = shufflevector <8 x i32> %vb, <8 x i32> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
   %vae = zext <4 x i32> %vas to <4 x i64>
   %vbe = zext <4 x i32> %vbs to <4 x i64>
   %mul = mul <4 x i64> %vae, %vbe
@@ -1659,8 +1659,8 @@ define void @vmulwod_q_du(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <4 x i64>, ptr %a
   %vb = load <4 x i64>, ptr %b
-  %vas = shufflevector <4 x i64> %va, <4 x i64> undef, <2 x i32> <i32 1, i32 3>
-  %vbs = shufflevector <4 x i64> %vb, <4 x i64> undef, <2 x i32> <i32 1, i32 3>
+  %vas = shufflevector <4 x i64> %va, <4 x i64> poison, <2 x i32> <i32 1, i32 3>
+  %vbs = shufflevector <4 x i64> %vb, <4 x i64> poison, <2 x i32> <i32 1, i32 3>
   %vae = zext <2 x i64> %vas to <2 x i128>
   %vbe = zext <2 x i64> %vbs to <2 x i128>
   %mul = mul <2 x i128> %vae, %vbe
@@ -1779,8 +1779,8 @@ define void @vmulwev_h_bu_b(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <32 x i8>, ptr %a
   %vb = load <32 x i8>, ptr %b
-  %vas = shufflevector <32 x i8> %va, <32 x i8> undef, <16 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14, i32 16, i32 18, i32 20, i32 22, i32 24, i32 26, i32 28, i32 30>
-  %vbs = shufflevector <32 x i8> %vb, <32 x i8> undef, <16 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14, i32 16, i32 18, i32 20, i32 22, i32 24, i32 26, i32 28, i32 30>
+  %vas = shufflevector <32 x i8> %va, <32 x i8> poison, <16 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14, i32 16, i32 18, i32 20, i32 22, i32 24, i32 26, i32 28, i32 30>
+  %vbs = shufflevector <32 x i8> %vb, <32 x i8> poison, <16 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14, i32 16, i32 18, i32 20, i32 22, i32 24, i32 26, i32 28, i32 30>
   %vae = zext <16 x i8> %vas to <16 x i16>
   %vbe = sext <16 x i8> %vbs to <16 x i16>
   %mul = mul <16 x i16> %vae, %vbe
@@ -1911,8 +1911,8 @@ define void @vmulwev_w_hu_h(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <16 x i16>, ptr %a
   %vb = load <16 x i16>, ptr %b
-  %vas = shufflevector <16 x i16> %va, <16 x i16> undef, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
-  %vbs = shufflevector <16 x i16> %vb, <16 x i16> undef, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
+  %vas = shufflevector <16 x i16> %va, <16 x i16> poison, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
+  %vbs = shufflevector <16 x i16> %vb, <16 x i16> poison, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
   %vae = zext <8 x i16> %vas to <8 x i32>
   %vbe = sext <8 x i16> %vbs to <8 x i32>
   %mul = mul <8 x i32> %vae, %vbe
@@ -1986,8 +1986,8 @@ define void @vmulwev_d_wu_w(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <8 x i32>, ptr %a
   %vb = load <8 x i32>, ptr %b
-  %vas = shufflevector <8 x i32> %va, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
-  %vbs = shufflevector <8 x i32> %vb, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
+  %vas = shufflevector <8 x i32> %va, <8 x i32> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
+  %vbs = shufflevector <8 x i32> %vb, <8 x i32> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
   %vae = zext <4 x i32> %vas to <4 x i64>
   %vbe = sext <4 x i32> %vbs to <4 x i64>
   %mul = mul <4 x i64> %vae, %vbe
@@ -2110,8 +2110,8 @@ define void @vmulwev_q_du_d(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <4 x i64>, ptr %a
   %vb = load <4 x i64>, ptr %b
-  %vas = shufflevector <4 x i64> %va, <4 x i64> undef, <2 x i32> <i32 0, i32 2>
-  %vbs = shufflevector <4 x i64> %vb, <4 x i64> undef, <2 x i32> <i32 0, i32 2>
+  %vas = shufflevector <4 x i64> %va, <4 x i64> poison, <2 x i32> <i32 0, i32 2>
+  %vbs = shufflevector <4 x i64> %vb, <4 x i64> poison, <2 x i32> <i32 0, i32 2>
   %vae = zext <2 x i64> %vas to <2 x i128>
   %vbe = sext <2 x i64> %vbs to <2 x i128>
   %mul = mul <2 x i128> %vae, %vbe
@@ -2230,8 +2230,8 @@ define void @vmulwod_h_bu_b(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <32 x i8>, ptr %a
   %vb = load <32 x i8>, ptr %b
-  %vas = shufflevector <32 x i8> %va, <32 x i8> undef, <16 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15, i32 17, i32 19, i32 21, i32 23, i32 25, i32 27, i32 29, i32 31>
-  %vbs = shufflevector <32 x i8> %vb, <32 x i8> undef, <16 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15, i32 17, i32 19, i32 21, i32 23, i32 25, i32 27, i32 29, i32 31>
+  %vas = shufflevector <32 x i8> %va, <32 x i8> poison, <16 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15, i32 17, i32 19, i32 21, i32 23, i32 25, i32 27, i32 29, i32 31>
+  %vbs = shufflevector <32 x i8> %vb, <32 x i8> poison, <16 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15, i32 17, i32 19, i32 21, i32 23, i32 25, i32 27, i32 29, i32 31>
   %vae = zext <16 x i8> %vas to <16 x i16>
   %vbe = sext <16 x i8> %vbs to <16 x i16>
   %mul = mul <16 x i16> %vae, %vbe
@@ -2362,8 +2362,8 @@ define void @vmulwod_w_hu_h(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <16 x i16>, ptr %a
   %vb = load <16 x i16>, ptr %b
-  %vas = shufflevector <16 x i16> %va, <16 x i16> undef, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
-  %vbs = shufflevector <16 x i16> %vb, <16 x i16> undef, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
+  %vas = shufflevector <16 x i16> %va, <16 x i16> poison, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
+  %vbs = shufflevector <16 x i16> %vb, <16 x i16> poison, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
   %vae = zext <8 x i16> %vas to <8 x i32>
   %vbe = sext <8 x i16> %vbs to <8 x i32>
   %mul = mul <8 x i32> %vae, %vbe
@@ -2438,8 +2438,8 @@ define void @vmulwod_d_wu_w(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <8 x i32>, ptr %a
   %vb = load <8 x i32>, ptr %b
-  %vas = shufflevector <8 x i32> %va, <8 x i32> undef, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
-  %vbs = shufflevector <8 x i32> %vb, <8 x i32> undef, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
+  %vas = shufflevector <8 x i32> %va, <8 x i32> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
+  %vbs = shufflevector <8 x i32> %vb, <8 x i32> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
   %vae = zext <4 x i32> %vas to <4 x i64>
   %vbe = sext <4 x i32> %vbs to <4 x i64>
   %mul = mul <4 x i64> %vae, %vbe
@@ -2562,8 +2562,8 @@ define void @vmulwod_q_du_d(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <4 x i64>, ptr %a
   %vb = load <4 x i64>, ptr %b
-  %vas = shufflevector <4 x i64> %va, <4 x i64> undef, <2 x i32> <i32 1, i32 3>
-  %vbs = shufflevector <4 x i64> %vb, <4 x i64> undef, <2 x i32> <i32 1, i32 3>
+  %vas = shufflevector <4 x i64> %va, <4 x i64> poison, <2 x i32> <i32 1, i32 3>
+  %vbs = shufflevector <4 x i64> %vb, <4 x i64> poison, <2 x i32> <i32 1, i32 3>
   %vae = zext <2 x i64> %vas to <2 x i128>
   %vbe = sext <2 x i64> %vbs to <2 x i128>
   %mul = mul <2 x i128> %vae, %vbe
@@ -2682,8 +2682,8 @@ define void @vmulwev_h_bu_b_1(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <32 x i8>, ptr %a
   %vb = load <32 x i8>, ptr %b
-  %vas = shufflevector <32 x i8> %va, <32 x i8> undef, <16 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14, i32 16, i32 18, i32 20, i32 22, i32 24, i32 26, i32 28, i32 30>
-  %vbs = shufflevector <32 x i8> %vb, <32 x i8> undef, <16 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14, i32 16, i32 18, i32 20, i32 22, i32 24, i32 26, i32 28, i32 30>
+  %vas = shufflevector <32 x i8> %va, <32 x i8> poison, <16 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14, i32 16, i32 18, i32 20, i32 22, i32 24, i32 26, i32 28, i32 30>
+  %vbs = shufflevector <32 x i8> %vb, <32 x i8> poison, <16 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14, i32 16, i32 18, i32 20, i32 22, i32 24, i32 26, i32 28, i32 30>
   %vae = sext <16 x i8> %vas to <16 x i16>
   %vbe = zext <16 x i8> %vbs to <16 x i16>
   %mul = mul <16 x i16> %vae, %vbe
@@ -2814,8 +2814,8 @@ define void @vmulwev_w_hu_h_1(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <16 x i16>, ptr %a
   %vb = load <16 x i16>, ptr %b
-  %vas = shufflevector <16 x i16> %va, <16 x i16> undef, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
-  %vbs = shufflevector <16 x i16> %vb, <16 x i16> undef, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
+  %vas = shufflevector <16 x i16> %va, <16 x i16> poison, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
+  %vbs = shufflevector <16 x i16> %vb, <16 x i16> poison, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
   %vae = sext <8 x i16> %vas to <8 x i32>
   %vbe = zext <8 x i16> %vbs to <8 x i32>
   %mul = mul <8 x i32> %vae, %vbe
@@ -2889,8 +2889,8 @@ define void @vmulwev_d_wu_w_1(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <8 x i32>, ptr %a
   %vb = load <8 x i32>, ptr %b
-  %vas = shufflevector <8 x i32> %va, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
-  %vbs = shufflevector <8 x i32> %vb, <8 x i32> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
+  %vas = shufflevector <8 x i32> %va, <8 x i32> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
+  %vbs = shufflevector <8 x i32> %vb, <8 x i32> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
   %vae = sext <4 x i32> %vas to <4 x i64>
   %vbe = zext <4 x i32> %vbs to <4 x i64>
   %mul = mul <4 x i64> %vae, %vbe
@@ -3013,8 +3013,8 @@ define void @vmulwev_q_du_d_1(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <4 x i64>, ptr %a
   %vb = load <4 x i64>, ptr %b
-  %vas = shufflevector <4 x i64> %va, <4 x i64> undef, <2 x i32> <i32 0, i32 2>
-  %vbs = shufflevector <4 x i64> %vb, <4 x i64> undef, <2 x i32> <i32 0, i32 2>
+  %vas = shufflevector <4 x i64> %va, <4 x i64> poison, <2 x i32> <i32 0, i32 2>
+  %vbs = shufflevector <4 x i64> %vb, <4 x i64> poison, <2 x i32> <i32 0, i32 2>
   %vae = sext <2 x i64> %vas to <2 x i128>
   %vbe = zext <2 x i64> %vbs to <2 x i128>
   %mul = mul <2 x i128> %vae, %vbe
@@ -3133,8 +3133,8 @@ define void @vmulwod_h_bu_b_1(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <32 x i8>, ptr %a
   %vb = load <32 x i8>, ptr %b
-  %vas = shufflevector <32 x i8> %va, <32 x i8> undef, <16 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15, i32 17, i32 19, i32 21, i32 23, i32 25, i32 27, i32 29, i32 31>
-  %vbs = shufflevector <32 x i8> %vb, <32 x i8> undef, <16 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15, i32 17, i32 19, i32 21, i32 23, i32 25, i32 27, i32 29, i32 31>
+  %vas = shufflevector <32 x i8> %va, <32 x i8> poison, <16 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15, i32 17, i32 19, i32 21, i32 23, i32 25, i32 27, i32 29, i32 31>
+  %vbs = shufflevector <32 x i8> %vb, <32 x i8> poison, <16 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15, i32 17, i32 19, i32 21, i32 23, i32 25, i32 27, i32 29, i32 31>
   %vae = sext <16 x i8> %vas to <16 x i16>
   %vbe = zext <16 x i8> %vbs to <16 x i16>
   %mul = mul <16 x i16> %vae, %vbe
@@ -3265,8 +3265,8 @@ define void @vmulwod_w_hu_h_1(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <16 x i16>, ptr %a
   %vb = load <16 x i16>, ptr %b
-  %vas = shufflevector <16 x i16> %va, <16 x i16> undef, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
-  %vbs = shufflevector <16 x i16> %vb, <16 x i16> undef, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
+  %vas = shufflevector <16 x i16> %va, <16 x i16> poison, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
+  %vbs = shufflevector <16 x i16> %vb, <16 x i16> poison, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
   %vae = sext <8 x i16> %vas to <8 x i32>
   %vbe = zext <8 x i16> %vbs to <8 x i32>
   %mul = mul <8 x i32> %vae, %vbe
@@ -3341,8 +3341,8 @@ define void @vmulwod_d_wu_w_1(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <8 x i32>, ptr %a
   %vb = load <8 x i32>, ptr %b
-  %vas = shufflevector <8 x i32> %va, <8 x i32> undef, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
-  %vbs = shufflevector <8 x i32> %vb, <8 x i32> undef, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
+  %vas = shufflevector <8 x i32> %va, <8 x i32> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
+  %vbs = shufflevector <8 x i32> %vb, <8 x i32> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
   %vae = sext <4 x i32> %vas to <4 x i64>
   %vbe = zext <4 x i32> %vbs to <4 x i64>
   %mul = mul <4 x i64> %vae, %vbe
@@ -3465,8 +3465,8 @@ define void @vmulwod_q_du_d_1(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <4 x i64>, ptr %a
   %vb = load <4 x i64>, ptr %b
-  %vas = shufflevector <4 x i64> %va, <4 x i64> undef, <2 x i32> <i32 1, i32 3>
-  %vbs = shufflevector <4 x i64> %vb, <4 x i64> undef, <2 x i32> <i32 1, i32 3>
+  %vas = shufflevector <4 x i64> %va, <4 x i64> poison, <2 x i32> <i32 1, i32 3>
+  %vbs = shufflevector <4 x i64> %vb, <4 x i64> poison, <2 x i32> <i32 1, i32 3>
   %vae = sext <2 x i64> %vas to <2 x i128>
   %vbe = zext <2 x i64> %vbs to <2 x i128>
   %mul = mul <2 x i128> %vae, %vbe
diff --git a/llvm/test/CodeGen/LoongArch/lsx/ir-instruction/mulwev_od.ll b/llvm/test/CodeGen/LoongArch/lsx/ir-instruction/mulwev_od.ll
index 37b1cf36a903..cd83c1dff652 100644
--- a/llvm/test/CodeGen/LoongArch/lsx/ir-instruction/mulwev_od.ll
+++ b/llvm/test/CodeGen/LoongArch/lsx/ir-instruction/mulwev_od.ll
@@ -17,8 +17,8 @@ define void @vmulwev_h_b(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <16 x i8>, ptr %a
   %vb = load <16 x i8>, ptr %b
-  %vas = shufflevector <16 x i8> %va, <16 x i8> undef, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
-  %vbs = shufflevector <16 x i8> %vb, <16 x i8> undef, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
+  %vas = shufflevector <16 x i8> %va, <16 x i8> poison, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
+  %vbs = shufflevector <16 x i8> %vb, <16 x i8> poison, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
   %vae = sext <8 x i8> %vas to <8 x i16>
   %vbe = sext <8 x i8> %vbs to <8 x i16>
   %mul = mul <8 x i16> %vae, %vbe
@@ -41,8 +41,8 @@ define void @vmulwev_w_h(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <8 x i16>, ptr %a
   %vb = load <8 x i16>, ptr %b
-  %vas = shufflevector <8 x i16> %va, <8 x i16> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
-  %vbs = shufflevector <8 x i16> %vb, <8 x i16> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
+  %vas = shufflevector <8 x i16> %va, <8 x i16> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
+  %vbs = shufflevector <8 x i16> %vb, <8 x i16> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
   %vae = sext <4 x i16> %vas to <4 x i32>
   %vbe = sext <4 x i16> %vbs to <4 x i32>
   %mul = mul <4 x i32> %vae, %vbe
@@ -65,8 +65,8 @@ define void @vmulwev_d_w(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <4 x i32>, ptr %a
   %vb = load <4 x i32>, ptr %b
-  %vas = shufflevector <4 x i32> %va, <4 x i32> undef, <2 x i32> <i32 0, i32 2>
-  %vbs = shufflevector <4 x i32> %vb, <4 x i32> undef, <2 x i32> <i32 0, i32 2>
+  %vas = shufflevector <4 x i32> %va, <4 x i32> poison, <2 x i32> <i32 0, i32 2>
+  %vbs = shufflevector <4 x i32> %vb, <4 x i32> poison, <2 x i32> <i32 0, i32 2>
   %vae = sext <2 x i32> %vas to <2 x i64>
   %vbe = sext <2 x i32> %vbs to <2 x i64>
   %mul = mul <2 x i64> %vae, %vbe
@@ -167,8 +167,8 @@ define void @vmulwod_h_b(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <16 x i8>, ptr %a
   %vb = load <16 x i8>, ptr %b
-  %vas = shufflevector <16 x i8> %va, <16 x i8> undef, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
-  %vbs = shufflevector <16 x i8> %vb, <16 x i8> undef, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
+  %vas = shufflevector <16 x i8> %va, <16 x i8> poison, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
+  %vbs = shufflevector <16 x i8> %vb, <16 x i8> poison, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
   %vae = sext <8 x i8> %vas to <8 x i16>
   %vbe = sext <8 x i8> %vbs to <8 x i16>
   %mul = mul <8 x i16> %vae, %vbe
@@ -193,8 +193,8 @@ define void @vmulwod_w_h(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <8 x i16>, ptr %a
   %vb = load <8 x i16>, ptr %b
-  %vas = shufflevector <8 x i16> %va, <8 x i16> undef, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
-  %vbs = shufflevector <8 x i16> %vb, <8 x i16> undef, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
+  %vas = shufflevector <8 x i16> %va, <8 x i16> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
+  %vbs = shufflevector <8 x i16> %vb, <8 x i16> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
   %vae = sext <4 x i16> %vas to <4 x i32>
   %vbe = sext <4 x i16> %vbs to <4 x i32>
   %mul = mul <4 x i32> %vae, %vbe
@@ -219,8 +219,8 @@ define void @vmulwod_d_w(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <4 x i32>, ptr %a
   %vb = load <4 x i32>, ptr %b
-  %vas = shufflevector <4 x i32> %va, <4 x i32> undef, <2 x i32> <i32 1, i32 3>
-  %vbs = shufflevector <4 x i32> %vb, <4 x i32> undef, <2 x i32> <i32 1, i32 3>
+  %vas = shufflevector <4 x i32> %va, <4 x i32> poison, <2 x i32> <i32 1, i32 3>
+  %vbs = shufflevector <4 x i32> %vb, <4 x i32> poison, <2 x i32> <i32 1, i32 3>
   %vae = sext <2 x i32> %vas to <2 x i64>
   %vbe = sext <2 x i32> %vbs to <2 x i64>
   %mul = mul <2 x i64> %vae, %vbe
@@ -320,8 +320,8 @@ define void @vmulwev_h_bu(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <16 x i8>, ptr %a
   %vb = load <16 x i8>, ptr %b
-  %vas = shufflevector <16 x i8> %va, <16 x i8> undef, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
-  %vbs = shufflevector <16 x i8> %vb, <16 x i8> undef, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
+  %vas = shufflevector <16 x i8> %va, <16 x i8> poison, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
+  %vbs = shufflevector <16 x i8> %vb, <16 x i8> poison, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
   %vae = zext <8 x i8> %vas to <8 x i16>
   %vbe = zext <8 x i8> %vbs to <8 x i16>
   %mul = mul <8 x i16> %vae, %vbe
@@ -346,8 +346,8 @@ define void @vmulwev_w_hu(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <8 x i16>, ptr %a
   %vb = load <8 x i16>, ptr %b
-  %vas = shufflevector <8 x i16> %va, <8 x i16> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
-  %vbs = shufflevector <8 x i16> %vb, <8 x i16> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
+  %vas = shufflevector <8 x i16> %va, <8 x i16> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
+  %vbs = shufflevector <8 x i16> %vb, <8 x i16> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
   %vae = zext <4 x i16> %vas to <4 x i32>
   %vbe = zext <4 x i16> %vbs to <4 x i32>
   %mul = mul <4 x i32> %vae, %vbe
@@ -372,8 +372,8 @@ define void @vmulwev_d_wu(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <4 x i32>, ptr %a
   %vb = load <4 x i32>, ptr %b
-  %vas = shufflevector <4 x i32> %va, <4 x i32> undef, <2 x i32> <i32 0, i32 2>
-  %vbs = shufflevector <4 x i32> %vb, <4 x i32> undef, <2 x i32> <i32 0, i32 2>
+  %vas = shufflevector <4 x i32> %va, <4 x i32> poison, <2 x i32> <i32 0, i32 2>
+  %vbs = shufflevector <4 x i32> %vb, <4 x i32> poison, <2 x i32> <i32 0, i32 2>
   %vae = zext <2 x i32> %vas to <2 x i64>
   %vbe = zext <2 x i32> %vbs to <2 x i64>
   %mul = mul <2 x i64> %vae, %vbe
@@ -451,8 +451,8 @@ define void @vmulwod_h_bu(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <16 x i8>, ptr %a
   %vb = load <16 x i8>, ptr %b
-  %vas = shufflevector <16 x i8> %va, <16 x i8> undef, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
-  %vbs = shufflevector <16 x i8> %vb, <16 x i8> undef, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
+  %vas = shufflevector <16 x i8> %va, <16 x i8> poison, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
+  %vbs = shufflevector <16 x i8> %vb, <16 x i8> poison, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
   %vae = zext <8 x i8> %vas to <8 x i16>
   %vbe = zext <8 x i8> %vbs to <8 x i16>
   %mul = mul <8 x i16> %vae, %vbe
@@ -474,8 +474,8 @@ define void @vmulwod_w_hu(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <8 x i16>, ptr %a
   %vb = load <8 x i16>, ptr %b
-  %vas = shufflevector <8 x i16> %va, <8 x i16> undef, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
-  %vbs = shufflevector <8 x i16> %vb, <8 x i16> undef, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
+  %vas = shufflevector <8 x i16> %va, <8 x i16> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
+  %vbs = shufflevector <8 x i16> %vb, <8 x i16> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
   %vae = zext <4 x i16> %vas to <4 x i32>
   %vbe = zext <4 x i16> %vbs to <4 x i32>
   %mul = mul <4 x i32> %vae, %vbe
@@ -497,8 +497,8 @@ define void @vmulwod_d_wu(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <4 x i32>, ptr %a
   %vb = load <4 x i32>, ptr %b
-  %vas = shufflevector <4 x i32> %va, <4 x i32> undef, <2 x i32> <i32 1, i32 3>
-  %vbs = shufflevector <4 x i32> %vb, <4 x i32> undef, <2 x i32> <i32 1, i32 3>
+  %vas = shufflevector <4 x i32> %va, <4 x i32> poison, <2 x i32> <i32 1, i32 3>
+  %vbs = shufflevector <4 x i32> %vb, <4 x i32> poison, <2 x i32> <i32 1, i32 3>
   %vae = zext <2 x i32> %vas to <2 x i64>
   %vbe = zext <2 x i32> %vbs to <2 x i64>
   %mul = mul <2 x i64> %vae, %vbe
@@ -579,8 +579,8 @@ define void @vmulwev_h_bu_b(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <16 x i8>, ptr %a
   %vb = load <16 x i8>, ptr %b
-  %vas = shufflevector <16 x i8> %va, <16 x i8> undef, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
-  %vbs = shufflevector <16 x i8> %vb, <16 x i8> undef, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
+  %vas = shufflevector <16 x i8> %va, <16 x i8> poison, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
+  %vbs = shufflevector <16 x i8> %vb, <16 x i8> poison, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
   %vae = zext <8 x i8> %vas to <8 x i16>
   %vbe = sext <8 x i8> %vbs to <8 x i16>
   %mul = mul <8 x i16> %vae, %vbe
@@ -605,8 +605,8 @@ define void @vmulwev_w_hu_h(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <8 x i16>, ptr %a
   %vb = load <8 x i16>, ptr %b
-  %vas = shufflevector <8 x i16> %va, <8 x i16> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
-  %vbs = shufflevector <8 x i16> %vb, <8 x i16> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
+  %vas = shufflevector <8 x i16> %va, <8 x i16> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
+  %vbs = shufflevector <8 x i16> %vb, <8 x i16> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
   %vae = zext <4 x i16> %vas to <4 x i32>
   %vbe = sext <4 x i16> %vbs to <4 x i32>
   %mul = mul <4 x i32> %vae, %vbe
@@ -631,8 +631,8 @@ define void @vmulwev_d_wu_w(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <4 x i32>, ptr %a
   %vb = load <4 x i32>, ptr %b
-  %vas = shufflevector <4 x i32> %va, <4 x i32> undef, <2 x i32> <i32 0, i32 2>
-  %vbs = shufflevector <4 x i32> %vb, <4 x i32> undef, <2 x i32> <i32 0, i32 2>
+  %vas = shufflevector <4 x i32> %va, <4 x i32> poison, <2 x i32> <i32 0, i32 2>
+  %vbs = shufflevector <4 x i32> %vb, <4 x i32> poison, <2 x i32> <i32 0, i32 2>
   %vae = zext <2 x i32> %vas to <2 x i64>
   %vbe = sext <2 x i32> %vbs to <2 x i64>
   %mul = mul <2 x i64> %vae, %vbe
@@ -725,8 +725,8 @@ define void @vmulwod_h_bu_b(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <16 x i8>, ptr %a
   %vb = load <16 x i8>, ptr %b
-  %vas = shufflevector <16 x i8> %va, <16 x i8> undef, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
-  %vbs = shufflevector <16 x i8> %vb, <16 x i8> undef, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
+  %vas = shufflevector <16 x i8> %va, <16 x i8> poison, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
+  %vbs = shufflevector <16 x i8> %vb, <16 x i8> poison, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
   %vae = zext <8 x i8> %vas to <8 x i16>
   %vbe = sext <8 x i8> %vbs to <8 x i16>
   %mul = mul <8 x i16> %vae, %vbe
@@ -750,8 +750,8 @@ define void @vmulwod_w_hu_h(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <8 x i16>, ptr %a
   %vb = load <8 x i16>, ptr %b
-  %vas = shufflevector <8 x i16> %va, <8 x i16> undef, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
-  %vbs = shufflevector <8 x i16> %vb, <8 x i16> undef, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
+  %vas = shufflevector <8 x i16> %va, <8 x i16> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
+  %vbs = shufflevector <8 x i16> %vb, <8 x i16> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
   %vae = zext <4 x i16> %vas to <4 x i32>
   %vbe = sext <4 x i16> %vbs to <4 x i32>
   %mul = mul <4 x i32> %vae, %vbe
@@ -775,8 +775,8 @@ define void @vmulwod_d_wu_w(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <4 x i32>, ptr %a
   %vb = load <4 x i32>, ptr %b
-  %vas = shufflevector <4 x i32> %va, <4 x i32> undef, <2 x i32> <i32 1, i32 3>
-  %vbs = shufflevector <4 x i32> %vb, <4 x i32> undef, <2 x i32> <i32 1, i32 3>
+  %vas = shufflevector <4 x i32> %va, <4 x i32> poison, <2 x i32> <i32 1, i32 3>
+  %vbs = shufflevector <4 x i32> %vb, <4 x i32> poison, <2 x i32> <i32 1, i32 3>
   %vae = zext <2 x i32> %vas to <2 x i64>
   %vbe = sext <2 x i32> %vbs to <2 x i64>
   %mul = mul <2 x i64> %vae, %vbe
@@ -870,8 +870,8 @@ define void @vmulwev_h_bu_b_1(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <16 x i8>, ptr %a
   %vb = load <16 x i8>, ptr %b
-  %vas = shufflevector <16 x i8> %va, <16 x i8> undef, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
-  %vbs = shufflevector <16 x i8> %vb, <16 x i8> undef, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
+  %vas = shufflevector <16 x i8> %va, <16 x i8> poison, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
+  %vbs = shufflevector <16 x i8> %vb, <16 x i8> poison, <8 x i32> <i32 0, i32 2, i32 4, i32 6, i32 8, i32 10, i32 12, i32 14>
   %vae = sext <8 x i8> %vas to <8 x i16>
   %vbe = zext <8 x i8> %vbs to <8 x i16>
   %mul = mul <8 x i16> %vae, %vbe
@@ -896,8 +896,8 @@ define void @vmulwev_w_hu_h_1(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <8 x i16>, ptr %a
   %vb = load <8 x i16>, ptr %b
-  %vas = shufflevector <8 x i16> %va, <8 x i16> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
-  %vbs = shufflevector <8 x i16> %vb, <8 x i16> undef, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
+  %vas = shufflevector <8 x i16> %va, <8 x i16> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
+  %vbs = shufflevector <8 x i16> %vb, <8 x i16> poison, <4 x i32> <i32 0, i32 2, i32 4, i32 6>
   %vae = sext <4 x i16> %vas to <4 x i32>
   %vbe = zext <4 x i16> %vbs to <4 x i32>
   %mul = mul <4 x i32> %vae, %vbe
@@ -922,8 +922,8 @@ define void @vmulwev_d_wu_w_1(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <4 x i32>, ptr %a
   %vb = load <4 x i32>, ptr %b
-  %vas = shufflevector <4 x i32> %va, <4 x i32> undef, <2 x i32> <i32 0, i32 2>
-  %vbs = shufflevector <4 x i32> %vb, <4 x i32> undef, <2 x i32> <i32 0, i32 2>
+  %vas = shufflevector <4 x i32> %va, <4 x i32> poison, <2 x i32> <i32 0, i32 2>
+  %vbs = shufflevector <4 x i32> %vb, <4 x i32> poison, <2 x i32> <i32 0, i32 2>
   %vae = sext <2 x i32> %vas to <2 x i64>
   %vbe = zext <2 x i32> %vbs to <2 x i64>
   %mul = mul <2 x i64> %vae, %vbe
@@ -1016,8 +1016,8 @@ define void @vmulwod_h_bu_b_1(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <16 x i8>, ptr %a
   %vb = load <16 x i8>, ptr %b
-  %vas = shufflevector <16 x i8> %va, <16 x i8> undef, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
-  %vbs = shufflevector <16 x i8> %vb, <16 x i8> undef, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
+  %vas = shufflevector <16 x i8> %va, <16 x i8> poison, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
+  %vbs = shufflevector <16 x i8> %vb, <16 x i8> poison, <8 x i32> <i32 1, i32 3, i32 5, i32 7, i32 9, i32 11, i32 13, i32 15>
   %vae = sext <8 x i8> %vas to <8 x i16>
   %vbe = zext <8 x i8> %vbs to <8 x i16>
   %mul = mul <8 x i16> %vae, %vbe
@@ -1041,8 +1041,8 @@ define void @vmulwod_w_hu_h_1(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <8 x i16>, ptr %a
   %vb = load <8 x i16>, ptr %b
-  %vas = shufflevector <8 x i16> %va, <8 x i16> undef, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
-  %vbs = shufflevector <8 x i16> %vb, <8 x i16> undef, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
+  %vas = shufflevector <8 x i16> %va, <8 x i16> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
+  %vbs = shufflevector <8 x i16> %vb, <8 x i16> poison, <4 x i32> <i32 1, i32 3, i32 5, i32 7>
   %vae = sext <4 x i16> %vas to <4 x i32>
   %vbe = zext <4 x i16> %vbs to <4 x i32>
   %mul = mul <4 x i32> %vae, %vbe
@@ -1066,8 +1066,8 @@ define void @vmulwod_d_wu_w_1(ptr %res, ptr %a, ptr %b) nounwind {
 entry:
   %va = load <4 x i32>, ptr %a
   %vb = load <4 x i32>, ptr %b
-  %vas = shufflevector <4 x i32> %va, <4 x i32> undef, <2 x i32> <i32 1, i32 3>
-  %vbs = shufflevector <4 x i32> %vb, <4 x i32> undef, <2 x i32> <i32 1, i32 3>
+  %vas = shufflevector <4 x i32> %va, <4 x i32> poison, <2 x i32> <i32 1, i32 3>
+  %vbs = shufflevector <4 x i32> %vb, <4 x i32> poison, <2 x i32> <i32 1, i32 3>
   %vae = sext <2 x i32> %vas to <2 x i64>
   %vbe = zext <2 x i32> %vbs to <2 x i64>
   %mul = mul <2 x i64> %vae, %vbe