// RUN: not llvm-mc -triple=aarch64 -show-encoding -mattr=+sve  2>&1 < %s| FileCheck %s


// --------------------------------------------------------------------------//
// Immediate out of lower bound [-16, 14].

ld2h {z12.h, z13.h}, 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: ld2h {z12.h, z13.h}, p4/z, [x12, #-18, MUL VL]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:

ld2h {z7.h, z8.h}, 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: ld2h {z7.h, z8.h}, p3/z, [x1, #16, MUL VL]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:


// --------------------------------------------------------------------------//
// Immediate not a multiple of two.

ld2h {z12.h, z13.h}, 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: ld2h {z12.h, z13.h}, p4/z, [x12, #-7, MUL VL]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:

ld2h {z7.h, z8.h}, 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: ld2h {z7.h, z8.h}, p3/z, [x1, #5, MUL VL]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:


// --------------------------------------------------------------------------//
// Invalid scalar + scalar addressing modes

ld2h { z0.h, z1.h }, p0/z, [x0, x0]
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: register must be x0..x30 with required shift 'lsl #1'
// CHECK-NEXT: ld2h { z0.h, z1.h }, p0/z, [x0, x0]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:

ld2h { z0.h, z1.h }, p0/z, [x0, xzr]
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: register must be x0..x30 with required shift 'lsl #1'
// CHECK-NEXT: ld2h { z0.h, z1.h }, p0/z, [x0, xzr]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:

ld2h { z0.h, z1.h }, p0/z, [x0, x0, lsl #2]
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: register must be x0..x30 with required shift 'lsl #1'
// CHECK-NEXT: ld2h { z0.h, z1.h }, p0/z, [x0, x0, lsl #2]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:

ld2h { z0.h, z1.h }, p0/z, [x0, w0]
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: register must be x0..x30 with required shift 'lsl #1'
// CHECK-NEXT: ld2h { z0.h, z1.h }, p0/z, [x0, w0]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:

ld2h { z0.h, z1.h }, p0/z, [x0, w0, uxtw]
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: register must be x0..x30 with required shift 'lsl #1'
// CHECK-NEXT: ld2h { z0.h, z1.h }, p0/z, [x0, w0, uxtw]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:


// --------------------------------------------------------------------------//
// error: invalid restricted predicate register, expected p0..p7 (without element suffix)

ld2h {z2.h, z3.h}, p8/z, [x15, #10, MUL VL]
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid restricted predicate register, expected p0..p7 (without element suffix)
// CHECK-NEXT: ld2h {z2.h, z3.h}, p8/z, [x15, #10, MUL VL]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:


// --------------------------------------------------------------------------//
// Invalid vector list.

ld2h { }, p0/z, [x0]
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: vector register expected
// CHECK-NEXT: ld2h { }, p0/z, [x0]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:

ld2h { z0.h, z1.h, z2.h }, p0/z, [x0]
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand
// CHECK-NEXT: ld2h { z0.h, z1.h, z2.h }, p0/z, [x0]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:

ld2h { z0.h, z1.s }, p0/z, [x0]
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: mismatched register size suffix
// CHECK-NEXT: ld2h { z0.h, z1.s }, p0/z, [x0]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:

ld2h { z0.h, z2.h }, p0/z, [x0]
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: registers must be sequential
// CHECK-NEXT: ld2h { z0.h, z2.h }, p0/z, [x0]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:

ld2h { v0.2d, v1.2d }, p0/z, [x0]
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand
// CHECK-NEXT: ld2h { v0.2d, v1.2d }, p0/z, [x0]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:


// --------------------------------------------------------------------------//
// Negative tests for instructions that are incompatible with movprfx

movprfx z21.h, p5/z, z28.h
ld2h    { z21.h, z22.h }, 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: ld2h    { z21.h, z22.h }, p5/z, [x10, #10, mul vl]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:

movprfx z21, z28
ld2h    { z21.h, z22.h }, 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: ld2h    { z21.h, z22.h }, p5/z, [x10, #10, mul vl]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: