diff --git a/llvm/test/CodeGen/AArch64/build-vector-two-dup.ll b/llvm/test/CodeGen/AArch64/build-vector-two-dup.ll
index 06eed65ecb044..f9880253d5352 100644
--- a/llvm/test/CodeGen/AArch64/build-vector-two-dup.ll
+++ b/llvm/test/CodeGen/AArch64/build-vector-two-dup.ll
@@ -125,3 +125,194 @@ entry:
   ret <16 x i8> %shuffle.i
 }
 
+define <8 x i8> @test6(ptr nocapture noundef readonly %a, ptr nocapture noundef readonly %b) {
+; CHECK-LABEL: test6:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    ldrb w8, [x0]
+; CHECK-NEXT:    fmov s0, w8
+; CHECK-NEXT:    mov v0.b[1], w8
+; CHECK-NEXT:    mov v0.b[2], w8
+; CHECK-NEXT:    mov v0.b[3], w8
+; CHECK-NEXT:    ldrb w8, [x1]
+; CHECK-NEXT:    mov v0.b[4], w8
+; CHECK-NEXT:    mov v0.b[5], w8
+; CHECK-NEXT:    mov v0.b[6], w8
+; CHECK-NEXT:    mov v0.b[7], w8
+; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $q0
+; CHECK-NEXT:    ret
+entry:
+  %0 = load i8, ptr %a, align 1
+  %1 = insertelement <4 x i8> poison, i8 %0, i64 0
+  %lane = shufflevector <4 x i8> %1, <4 x i8> poison, <4 x i32> zeroinitializer
+  %2 = load i8, ptr %b, align 1
+  %3 = insertelement <4 x i8> poison, i8 %2, i64 0
+  %lane2 = shufflevector <4 x i8> %3, <4 x i8> poison, <4 x i32> zeroinitializer
+  %shuffle.i = shufflevector <4 x i8> %lane, <4 x i8> %lane2, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+  ret <8 x i8> %shuffle.i
+}
+
+define <8 x i8> @test7(ptr nocapture noundef readonly %a, ptr nocapture noundef readonly %b) {
+; CHECK-LABEL: test7:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    ldrb w8, [x1]
+; CHECK-NEXT:    fmov s0, w8
+; CHECK-NEXT:    mov v0.b[1], w8
+; CHECK-NEXT:    mov v0.b[2], w8
+; CHECK-NEXT:    mov v0.b[3], w8
+; CHECK-NEXT:    ldrb w8, [x0]
+; CHECK-NEXT:    mov v0.b[4], w8
+; CHECK-NEXT:    mov v0.b[5], w8
+; CHECK-NEXT:    mov v0.b[6], w8
+; CHECK-NEXT:    mov v0.b[7], w8
+; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $q0
+; CHECK-NEXT:    ret
+entry:
+  %0 = load i8, ptr %a, align 1
+  %1 = insertelement <4 x i8> poison, i8 %0, i64 0
+  %lane = shufflevector <4 x i8> %1, <4 x i8> poison, <4 x i32> zeroinitializer
+  %2 = load i8, ptr %b, align 1
+  %3 = insertelement <4 x i8> poison, i8 %2, i64 0
+  %lane2 = shufflevector <4 x i8> %3, <4 x i8> poison, <4 x i32> zeroinitializer
+  %shuffle.i = shufflevector <4 x i8> %lane, <4 x i8> %lane2, <8 x i32> <i32 4, i32 5, i32 6, i32 7, i32 0, i32 1, i32 2, i32 3>
+  ret <8 x i8> %shuffle.i
+}
+
+define <8 x i16> @test8(ptr nocapture noundef readonly %a, ptr nocapture noundef readonly %b) {
+; CHECK-LABEL: test8:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    ldrh w8, [x0]
+; CHECK-NEXT:    fmov s0, w8
+; CHECK-NEXT:    mov v0.h[1], w8
+; CHECK-NEXT:    mov v0.h[2], w8
+; CHECK-NEXT:    mov v0.h[3], w8
+; CHECK-NEXT:    ldrh w8, [x1]
+; CHECK-NEXT:    mov v0.h[4], w8
+; CHECK-NEXT:    mov v0.h[5], w8
+; CHECK-NEXT:    mov v0.h[6], w8
+; CHECK-NEXT:    mov v0.h[7], w8
+; CHECK-NEXT:    ret
+entry:
+  %0 = load i16, ptr %a, align 1
+  %1 = insertelement <4 x i16> poison, i16 %0, i64 0
+  %lane = shufflevector <4 x i16> %1, <4 x i16> poison, <4 x i32> zeroinitializer
+  %2 = load i16, ptr %b, align 1
+  %3 = insertelement <4 x i16> poison, i16 %2, i64 0
+  %lane2 = shufflevector <4 x i16> %3, <4 x i16> poison, <4 x i32> zeroinitializer
+  %shuffle.i = shufflevector <4 x i16> %lane, <4 x i16> %lane2, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7>
+  ret <8 x i16> %shuffle.i
+}
+
+define <4 x i32> @test9(ptr nocapture noundef readonly %a, ptr nocapture noundef readonly %b) {
+; CHECK-LABEL: test9:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    ldr w8, [x0]
+; CHECK-NEXT:    fmov s0, w8
+; CHECK-NEXT:    mov v0.s[1], w8
+; CHECK-NEXT:    ldr w8, [x1]
+; CHECK-NEXT:    mov v0.s[2], w8
+; CHECK-NEXT:    mov v0.s[3], w8
+; CHECK-NEXT:    ret
+entry:
+  %0 = load i32, ptr %a, align 1
+  %1 = insertelement <2 x i32> poison, i32 %0, i64 0
+  %lane = shufflevector <2 x i32> %1, <2 x i32> poison, <2 x i32> zeroinitializer
+  %2 = load i32, ptr %b, align 1
+  %3 = insertelement <2 x i32> poison, i32 %2, i64 0
+  %lane2 = shufflevector <2 x i32> %3, <2 x i32> poison, <2 x i32> zeroinitializer
+  %shuffle.i = shufflevector <2 x i32> %lane, <2 x i32> %lane2, <4 x i32> <i32 0, i32 1, i32 2, i32 3>
+  ret <4 x i32> %shuffle.i
+}
+
+define <2 x i64> @test10(ptr nocapture noundef readonly %a, ptr nocapture noundef readonly %b) {
+; CHECK-LABEL: test10:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    ldr d0, [x0]
+; CHECK-NEXT:    ldr d1, [x1]
+; CHECK-NEXT:    mov v0.d[1], v1.d[0]
+; CHECK-NEXT:    ret
+entry:
+  %0 = load i64, ptr %a, align 1
+  %lane = bitcast i64 %0 to <1 x i64>
+  %1 = load i64, ptr %b, align 1
+  %lane2 = bitcast i64 %1 to <1 x i64>
+  %shuffle.i = shufflevector <1 x i64> %lane, <1 x i64> %lane2, <2 x i32> <i32 0, i32 1>
+  ret <2 x i64> %shuffle.i
+}
+
+define <8 x i8> @test11(ptr nocapture noundef readonly %a, ptr nocapture noundef readonly %b) {
+; CHECK-LABEL: test11:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    ld1r { v1.8b }, [x0]
+; CHECK-NEXT:    ld1r { v2.8b }, [x1]
+; CHECK-NEXT:    mov v0.16b, v1.16b
+; CHECK-NEXT:    mov v0.h[2], v2.h[0]
+; CHECK-NEXT:    mov v0.h[3], v1.h[0]
+; CHECK-NEXT:    // kill: def $d0 killed $d0 killed $q0
+; CHECK-NEXT:    ret
+entry:
+  %0 = load i8, ptr %a, align 1
+  %1 = insertelement <4 x i8> poison, i8 %0, i64 0
+  %lane = shufflevector <4 x i8> %1, <4 x i8> poison, <4 x i32> zeroinitializer
+  %2 = load i8, ptr %b, align 1
+  %3 = insertelement <4 x i8> poison, i8 %2, i64 0
+  %lane2 = shufflevector <4 x i8> %3, <4 x i8> poison, <4 x i32> zeroinitializer
+  %shuffle.i = shufflevector <4 x i8> %lane, <4 x i8> %lane2, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 4, i32 5, i32 0, i32 1>
+  ret <8 x i8> %shuffle.i
+}
+
+define <4 x i32> @test12(ptr nocapture noundef readonly %a, ptr nocapture noundef readonly %b) {
+; CHECK-LABEL: test12:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    ld1r { v0.2s }, [x0]
+; CHECK-NEXT:    ldr w8, [x1]
+; CHECK-NEXT:    mov v1.16b, v0.16b
+; CHECK-NEXT:    mov v1.s[0], w8
+; CHECK-NEXT:    mov v0.s[1], w8
+; CHECK-NEXT:    mov v0.d[1], v1.d[0]
+; CHECK-NEXT:    ret
+entry:
+  %0 = load i32, ptr %a, align 1
+  %1 = insertelement <2 x i32> poison, i32 %0, i64 0
+  %lane = shufflevector <2 x i32> %1, <2 x i32> poison, <2 x i32> zeroinitializer
+  %2 = load i32, ptr %b, align 1
+  %3 = insertelement <2 x i32> poison, i32 %2, i64 0
+  %lane2 = shufflevector <2 x i32> %3, <2 x i32> poison, <2 x i32> zeroinitializer
+  %shuffle.i = shufflevector <2 x i32> %lane, <2 x i32> %lane2, <4 x i32> <i32 0, i32 3, i32 2, i32 1>
+  ret <4 x i32> %shuffle.i
+}
+
+define <2 x i64> @test13(ptr nocapture noundef readonly %a, ptr nocapture noundef readonly %b) {
+; CHECK-LABEL: test13:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    ldr d1, [x0]
+; CHECK-NEXT:    ldr d0, [x1]
+; CHECK-NEXT:    mov v0.d[1], v1.d[0]
+; CHECK-NEXT:    ret
+entry:
+  %0 = load i64, ptr %a, align 1
+  %lane = bitcast i64 %0 to <1 x i64>
+  %1 = load i64, ptr %b, align 1
+  %lane2 = bitcast i64 %1 to <1 x i64>
+  %shuffle.i = shufflevector <1 x i64> %lane, <1 x i64> %lane2, <2 x i32> <i32 1, i32 0>
+  ret <2 x i64> %shuffle.i
+}
+
+define <3 x i32> @test14(ptr nocapture noundef readonly %a, ptr nocapture noundef readonly %b) {
+; CHECK-LABEL: test14:
+; CHECK:       // %bb.0: // %entry
+; CHECK-NEXT:    ldr w8, [x0]
+; CHECK-NEXT:    fmov s0, w8
+; CHECK-NEXT:    mov v0.s[1], w8
+; CHECK-NEXT:    ld1 { v0.s }[2], [x1]
+; CHECK-NEXT:    ret
+entry:
+  %0 = load i32, ptr %a, align 1
+  %1 = insertelement <2 x i32> poison, i32 %0, i64 0
+  %lane = shufflevector <2 x i32> %1, <2 x i32> poison, <2 x i32> zeroinitializer
+  %2 = load i32, ptr %b, align 1
+  %3 = insertelement <2 x i32> poison, i32 %2, i64 0
+  %lane2 = shufflevector <2 x i32> %3, <2 x i32> poison, <2 x i32> zeroinitializer
+  %shuffle.i = shufflevector <2 x i32> %lane, <2 x i32> %lane2, <3 x i32> <i32 0, i32 1, i32 2>
+  ret <3 x i32> %shuffle.i
+}
+