| // RUN: not llvm-mc -triple=aarch64 -show-encoding -mattr=+sve  2>&1 < %s| FileCheck %s | 
 |  | 
 |  | 
 | // --------------------------------------------------------------------------// | 
 | // Immediate out of lower bound [-16, 14]. | 
 |  | 
 | ld2d {z12.d, z13.d}, p4/z, [x12, #-18, MUL VL] | 
 | // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: index must be a multiple of 2 in range [-16, 14]. | 
 | // CHECK-NEXT: ld2d {z12.d, z13.d}, p4/z, [x12, #-18, MUL VL] | 
 | // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: | 
 |  | 
 | ld2d {z7.d, z8.d}, p3/z, [x1, #16, MUL VL] | 
 | // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: index must be a multiple of 2 in range [-16, 14]. | 
 | // CHECK-NEXT: ld2d {z7.d, z8.d}, p3/z, [x1, #16, MUL VL] | 
 | // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: | 
 |  | 
 |  | 
 | // --------------------------------------------------------------------------// | 
 | // Immediate not a multiple of two. | 
 |  | 
 | ld2d {z12.d, z13.d}, p4/z, [x12, #-7, MUL VL] | 
 | // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: index must be a multiple of 2 in range [-16, 14]. | 
 | // CHECK-NEXT: ld2d {z12.d, z13.d}, p4/z, [x12, #-7, MUL VL] | 
 | // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: | 
 |  | 
 | ld2d {z7.d, z8.d}, p3/z, [x1, #5, MUL VL] | 
 | // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: index must be a multiple of 2 in range [-16, 14]. | 
 | // CHECK-NEXT: ld2d {z7.d, z8.d}, p3/z, [x1, #5, MUL VL] | 
 | // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: | 
 |  | 
 |  | 
 | // --------------------------------------------------------------------------// | 
 | // Invalid scalar + scalar addressing modes | 
 |  | 
 | ld2d { z0.d, z1.d }, p0/z, [x0, x0] | 
 | // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: register must be x0..x30 with required shift 'lsl #3' | 
 | // CHECK-NEXT: ld2d { z0.d, z1.d }, p0/z, [x0, x0] | 
 | // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: | 
 |  | 
 | ld2d { z0.d, z1.d }, p0/z, [x0, xzr] | 
 | // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: register must be x0..x30 with required shift 'lsl #3' | 
 | // CHECK-NEXT: ld2d { z0.d, z1.d }, p0/z, [x0, xzr] | 
 | // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: | 
 |  | 
 | ld2d { z0.d, z1.d }, p0/z, [x0, x0, lsl #2] | 
 | // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: register must be x0..x30 with required shift 'lsl #3' | 
 | // CHECK-NEXT: ld2d { z0.d, z1.d }, p0/z, [x0, x0, lsl #2] | 
 | // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: | 
 |  | 
 | ld2d { z0.d, z1.d }, p0/z, [x0, w0] | 
 | // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: register must be x0..x30 with required shift 'lsl #3' | 
 | // CHECK-NEXT: ld2d { z0.d, z1.d }, p0/z, [x0, w0] | 
 | // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: | 
 |  | 
 | ld2d { z0.d, z1.d }, p0/z, [x0, w0, uxtw] | 
 | // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: register must be x0..x30 with required shift 'lsl #3' | 
 | // CHECK-NEXT: ld2d { z0.d, z1.d }, p0/z, [x0, w0, uxtw] | 
 | // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: | 
 |  | 
 |  | 
 | // --------------------------------------------------------------------------// | 
 | // error: invalid restricted predicate register, expected p0..p7 (without element suffix) | 
 |  | 
 | ld2d {z2.d, z3.d}, p8/z, [x15, #10, MUL VL] | 
 | // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid restricted predicate register, expected p0..p7 (without element suffix) | 
 | // CHECK-NEXT: ld2d {z2.d, z3.d}, p8/z, [x15, #10, MUL VL] | 
 | // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: | 
 |  | 
 |  | 
 | // --------------------------------------------------------------------------// | 
 | // Invalid vector list. | 
 |  | 
 | ld2d { }, p0/z, [x0] | 
 | // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: vector register expected | 
 | // CHECK-NEXT: ld2d { }, p0/z, [x0] | 
 | // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: | 
 |  | 
 | ld2d { z0.d, z1.d, z2.d }, p0/z, [x0] | 
 | // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand | 
 | // CHECK-NEXT: ld2d { z0.d, z1.d, z2.d }, p0/z, [x0] | 
 | // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: | 
 |  | 
 | ld2d { z0.d, z1.b }, p0/z, [x0] | 
 | // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: mismatched register size suffix | 
 | // CHECK-NEXT: ld2d { z0.d, z1.b }, p0/z, [x0] | 
 | // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: | 
 |  | 
 | ld2d { z0.d, z2.d }, p0/z, [x0] | 
 | // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: registers must be sequential | 
 | // CHECK-NEXT: ld2d { z0.d, z2.d }, p0/z, [x0] | 
 | // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: | 
 |  | 
 | ld2d { v0.2d, v1.2d }, p0/z, [x0] | 
 | // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand | 
 | // CHECK-NEXT: ld2d { v0.2d, v1.2d }, p0/z, [x0] | 
 | // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: | 
 |  | 
 |  | 
 | // --------------------------------------------------------------------------// | 
 | // Negative tests for instructions that are incompatible with movprfx | 
 |  | 
 | movprfx z21.d, p5/z, z28.d | 
 | ld2d    { z21.d, z22.d }, p5/z, [x10, #10, mul vl] | 
 | // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: instruction is unpredictable when following a movprfx, suggest replacing movprfx with mov | 
 | // CHECK-NEXT: ld2d    { z21.d, z22.d }, p5/z, [x10, #10, mul vl] | 
 | // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: | 
 |  | 
 | movprfx z21, z28 | 
 | ld2d    { z21.d, z22.d }, p5/z, [x10, #10, mul vl] | 
 | // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: instruction is unpredictable when following a movprfx, suggest replacing movprfx with mov | 
 | // CHECK-NEXT: ld2d    { z21.d, z22.d }, p5/z, [x10, #10, mul vl] | 
 | // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: |