1// RUN: not llvm-mc -triple=aarch64 -show-encoding < %s 2>&1 | FileCheck %s
2// RUN: not llvm-mc -triple=aarch64 -mattr=-neon -show-encoding < %s 2>&1 | FileCheck %s --check-prefix=CHECK-NO-NEON
3
4// This tests the mnemonic spell checker.
5
6// First check what happens when an instruction is omitted:
7
8  w1, w2, w3
9
10// CHECK:      error: unknown token in expression
11// CHECK-NEXT: w1, w2, w3
12// CHECK-NEXT:   ^
13// CHECK-NEXT: error: invalid operand
14// CHECK-NEXT: w1, w2, w3
15// CHECK-NEXT:   ^
16
17// We don't want to see a suggestion here; the edit distance is too large to
18// give sensible suggestions:
19
20  addddddddd w1, w2, w3
21
22// CHECK:      error: unrecognized instruction mnemonic
23// CHECK-NEXT: addddddddd w1, w2, w3
24// CHECK-NEXT: ^
25
26  addd w1, w2, w3
27
28// CHECK:      error: unrecognized instruction mnemonic, did you mean: add, addp, adds, addv, fadd, madd?
29// CHECK-NEXT: addd w1, w2, w3
30// CHECK-NEXT: ^
31
32// Instructions 'addv' and 'addp' are only available when NEON is enabled, so we
33// don't want to see them here:
34
35// CHECK-NO-NEON:      error: unrecognized instruction mnemonic, did you mean: add, adds, fadd, madd?
36// CHECK-NO-NEON-NEXT: addd w1, w2, w3
37// CHECK-NO-NEON-NEXT: ^
38