llvm/llvm/test/MC/AArch64/SVE/ld2b-diagnostics.s

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


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

ld2b {z12.b, z13.b}, 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: ld2b {z12.b, z13.b}, p4/z, [x12, #-18, MUL VL]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:

ld2b {z7.b, z8.b}, 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: ld2b {z7.b, z8.b}, p3/z, [x1, #16, MUL VL]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:


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

ld2b {z12.b, z13.b}, 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: ld2b {z12.b, z13.b}, p4/z, [x12, #-7, MUL VL]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:

ld2b {z7.b, z8.b}, 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: ld2b {z7.b, z8.b}, p3/z, [x1, #5, MUL VL]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:


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

ld2b { z0.b, z1.b }, p0/z, [x0, xzr]
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: register must be x0..x30 without shift
// CHECK-NEXT: ld2b { z0.b, z1.b }, p0/z, [x0, xzr]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:

ld2b { z0.b, z1.b }, p0/z, [x0, x0, lsl #1]
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: register must be x0..x30 without shift
// CHECK-NEXT: ld2b { z0.b, z1.b }, p0/z, [x0, x0, lsl #1]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:

ld2b { z0.b, z1.b }, p0/z, [x0, w0]
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: register must be x0..x30 without shift
// CHECK-NEXT: ld2b { z0.b, z1.b }, p0/z, [x0, w0]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:

ld2b { z0.b, z1.b }, p0/z, [x0, w0, uxtw]
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: register must be x0..x30 without shift
// CHECK-NEXT: ld2b { z0.b, z1.b }, p0/z, [x0, w0, uxtw]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:


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

ld2b {z2.b, z3.b}, p8/z, [x15, #10, MUL VL]
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid restricted predicate register, expected p0..p7 (without element suffix)
// CHECK-NEXT: ld2b {z2.b, z3.b}, p8/z, [x15, #10, MUL VL]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:


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

ld2b { }, p0/z, [x0]
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: vector register expected
// CHECK-NEXT: ld2b { }, p0/z, [x0]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:

ld2b { z0.b, z1.b, z2.b }, p0/z, [x0]
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand
// CHECK-NEXT: ld2b { z0.b, z1.b, z2.b }, p0/z, [x0]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:

ld2b { z0.b, z1.h }, p0/z, [x0]
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: mismatched register size suffix
// CHECK-NEXT: ld2b { z0.b, z1.h }, p0/z, [x0]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:

ld2b { z0.b, z2.b }, p0/z, [x0]
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand for instruction
// CHECK-NEXT: ld2b { z0.b, z2.b }, p0/z, [x0]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:

ld2b { v0.2d, v1.2d }, p0/z, [x0]
// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand
// CHECK-NEXT: ld2b { v0.2d, v1.2d }, p0/z, [x0]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:


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

movprfx z21.b, p5/z, z28.b
ld2b    { z21.b, z22.b }, 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: ld2b    { z21.b, z22.b }, p5/z, [x10, #10, mul vl]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:

movprfx z21, z28
ld2b    { z21.b, z22.b }, 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: ld2b    { z21.b, z22.b }, p5/z, [x10, #10, mul vl]
// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: