1// RUN: not llvm-mc -triple=aarch64 -show-encoding -mattr=+sve  2>&1 < %s| FileCheck %s
2
3// ------------------------------------------------------------------------- //
4// Invalid result register
5
6decp sp, p0
7// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid operand
8// CHECK-NEXT: decp sp, p0
9// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
10
11decp z0.b, p0
12// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width
13// CHECK-NEXT: decp z0.b, p0
14// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
15
16
17// ------------------------------------------------------------------------- //
18// Invalid predicate operand
19
20decp x0, p0
21// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid predicate register
22// CHECK-NEXT: decp x0, p0
23// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
24
25decp x0, p0/z
26// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid predicate register
27// CHECK-NEXT: decp x0, p0/z
28// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
29
30decp x0, p0/m
31// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid predicate register
32// CHECK-NEXT: decp x0, p0/m
33// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
34
35decp x0, p0.q
36// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid predicate register
37// CHECK-NEXT: decp x0, p0.q
38// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
39
40
41// --------------------------------------------------------------------------//
42// Negative tests for instructions that are incompatible with movprfx
43
44movprfx z31.d, p7/z, z6.d
45decp    z31.d, p7
46// CHECK: [[@LINE-1]]:{{[0-9]+}}: error: instruction is unpredictable when following a predicated movprfx, suggest using unpredicated movprfx
47// CHECK-NEXT: decp    z31.d, p7
48// CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
49