diff --git a/llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp b/llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp
index f7deeafc9ccfc..ca4a655f06587 100644
--- a/llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp
+++ b/llvm/lib/Target/LoongArch/LoongArchISelLowering.cpp
@@ -2614,6 +2614,9 @@ static SDValue lower256BitShuffle(const SDLoc &DL, ArrayRef<int> Mask, MVT VT,
     if ((Result = lowerVECTOR_SHUFFLE_XVSHUF4I(DL, Mask, VT, V1, V2, DAG,
                                                Subtarget)))
       return Result;
+    // Try to widen vectors to gain more optimization opportunities.
+    if (SDValue NewShuffle = widenShuffleMask(DL, Mask, VT, V1, V2, DAG))
+      return NewShuffle;
     if ((Result =
              lowerVECTOR_SHUFFLE_XVPERMI(DL, Mask, VT, V1, DAG, Subtarget)))
       return Result;
diff --git a/llvm/test/CodeGen/LoongArch/lasx/shuffle-as-permute-and-shuffle.ll b/llvm/test/CodeGen/LoongArch/lasx/shuffle-as-permute-and-shuffle.ll
index 245f76472b844..7149cdb99063a 100644
--- a/llvm/test/CodeGen/LoongArch/lasx/shuffle-as-permute-and-shuffle.ll
+++ b/llvm/test/CodeGen/LoongArch/lasx/shuffle-as-permute-and-shuffle.ll
@@ -32,9 +32,7 @@ define <16 x i16> @shuffle_v16i16(<16 x i16> %a) {
 ; CHECK:       # %bb.0:
 ; CHECK-NEXT:    pcalau12i $a0, %pc_hi20(.LCPI2_0)
 ; CHECK-NEXT:    xvld $xr1, $a0, %pc_lo12(.LCPI2_0)
-; CHECK-NEXT:    xvpermi.d $xr2, $xr0, 78
-; CHECK-NEXT:    xvshuf.w $xr1, $xr2, $xr0
-; CHECK-NEXT:    xvori.b $xr0, $xr1, 0
+; CHECK-NEXT:    xvperm.w $xr0, $xr0, $xr1
 ; CHECK-NEXT:    ret
   %shuffle = shufflevector <16 x i16> %a, <16 x i16> poison, <16 x i32> <i32 8, i32 9, i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 8, i32 9, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
   ret <16 x i16> %shuffle
@@ -55,9 +53,7 @@ define <16 x i16> @shuffle_v16i16_same_lane(<16 x i16> %a) {
 define <8 x i32> @shuffle_v8i32(<8 x i32> %a) {
 ; CHECK-LABEL: shuffle_v8i32:
 ; CHECK:       # %bb.0:
-; CHECK-NEXT:    pcalau12i $a0, %pc_hi20(.LCPI4_0)
-; CHECK-NEXT:    xvld $xr1, $a0, %pc_lo12(.LCPI4_0)
-; CHECK-NEXT:    xvperm.w $xr0, $xr0, $xr1
+; CHECK-NEXT:    xvpermi.d $xr0, $xr0, 226
 ; CHECK-NEXT:    ret
   %shuffle = shufflevector <8 x i32> %a, <8 x i32> poison, <8 x i32> <i32 4, i32 5, i32 0, i32 1, i32 4, i32 5, i32 6, i32 7>
   ret <8 x i32> %shuffle
@@ -93,9 +89,7 @@ define <4 x i64> @shuffle_v4i64_same_lane(<4 x i64> %a) {
 define <8 x float> @shuffle_v8f32(<8 x float> %a) {
 ; CHECK-LABEL: shuffle_v8f32:
 ; CHECK:       # %bb.0:
-; CHECK-NEXT:    pcalau12i $a0, %pc_hi20(.LCPI8_0)
-; CHECK-NEXT:    xvld $xr1, $a0, %pc_lo12(.LCPI8_0)
-; CHECK-NEXT:    xvperm.w $xr0, $xr0, $xr1
+; CHECK-NEXT:    xvpermi.d $xr0, $xr0, 226
 ; CHECK-NEXT:    ret
   %shuffle = shufflevector <8 x float> %a, <8 x float> poison, <8 x i32> <i32 4, i32 5, i32 0, i32 1, i32 4, i32 5, i32 6, i32 7>
   ret <8 x float> %shuffle