1# RUN: not llvm-mc -triple amdgcn < %s 2>&1 | FileCheck %s
2
3# This tests the mnemonic spell checker.
4
5# First check what happens when an instruction is omitted:
6
7v2, v4, v6
8
9# CHECK:      unknown token in expression
10# CHECK-NEXT: v2, v4, v6
11# CHECK-NEXT:   ^
12
13# CHECK:      error: failed parsing operand
14# CHECK-NEXT: v2, v4, v6
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
20aaaaaaaaaaaaaaa v1, v2, v3
21
22# CHECK:      error: invalid instruction
23# CHECK-NEXT: aaaaaaaaaaaaaaa v1, v2, v3
24# CHECK-NEXT: ^
25
26# Check that we get one suggestion: 'dsc_write_src2_b64' is 1 edit away, i.e. an deletion.
27
28dsc_write_src2_b64 v1, v2, v3
29
30# CHECK:      error: invalid instruction, did you mean: ds_write_src2_b64?
31# CHECK-NEXT: dsc_write_src2_b64 v1, v2, v3
32# CHECK-NEXT: ^
33
34# Check edit distance 1 and 2, just insertions:
35
36s_mov_b v1, v2
37
38# CHECK:      error: invalid instruction, did you mean: s_mov_b32, s_mov_b64?
39# CHECK-NEXT: s_mov_b v1, v2
40# CHECK-NEXT: ^
41
42# Check an instruction that is 2 edits away, and also has a lot of candidates:
43
44s_load_dwordx v1, v2, v3
45
46# CHECK:      error: invalid instruction, did you mean: s_load_dword, s_load_dwordx16, s_load_dwordx2, s_load_dwordx4, s_load_dwordx8?
47# CHECK-NEXT: s_load_dwordx v1, v2, v3
48# CHECK-NEXT: ^
49