test/MC/SystemZ/invalid-instructions-spellcheck.s

   1 # RUN: not llvm-mc -triple=systemz -mcpu=z13 -show-encoding < %s 2>&1 | FileCheck %s
   2 # RUN: not llvm-mc -triple=systemz -mcpu=zEC12 -show-encoding < %s 2>&1 | FileCheck %s --check-prefix=CHECK-ZEC12
   3
   4 # This tests the mnemonic spell checker.
   5
   6 # First check what happens when an instruction is omitted:
   7
   8   %r1, %r2, %r3
   9
  10 # CHECK:      error: unexpected token at start of statement
  11 # CHECK-NEXT: %r1, %r2, %r3
  12 # CHECK-NEXT:   ^
  13
  14 # We don't want to see a suggestion here; the edit distance is too large to
  15 # give sensible suggestions:
  16
  17   aaaaaaaaaaaaaaa %r1, %r2, %r3
  18
  19 # CHECK:      error: invalid instruction
  20 # CHECK-NEXT: aaaaaaaaaaaaaaa %r1, %r2, %r3
  21 # CHECK-NEXT: ^
  22
  23 # Check that we get one suggestion: 'cpdt' is 1 edit away, i.e. an deletion.
  24
  25   cpdtX %r1, 0(4, %r15), 0
  26
  27 #CHECK:      error: invalid instruction, did you mean: cpdt
  28 #CHECK-NEXT: cpdtX %r1, 0(4, %r15), 0
  29 #CHECK-NEXT: ^
  30
  31 # Check edit distance 1 and 2
  32
  33   ltTr %r1, %r2
  34
  35 # CHECK:      error: invalid instruction, did you mean: lr, lt, ltdr, ltdtr, lter, ltgr, ltr, ltxr, ltxtr, tr, trtr?
  36 # CHECK-NEXT: ltTr %r1, %r2
  37 # CHECK-NEXT: ^
  38
  39 # Check edit distance 1 and 2, just insertions:
  40
  41   begin 0, 65292
  42
  43 # CHECK:      error: invalid instruction, did you mean: tbegin, tbeginc?
  44 # CHECK-NEXT: begin 0, 65292
  45 # CHECK-NEXT: ^
  46
  47 # Check an instruction that is 2 edits away, and also has a lot of candidates:
  48
  49   adt %r1, 244(%r15)
  50
  51 # CHECK:      error: invalid instruction, did you mean: a, ad, adb, adr, adtr, adtra, d, lat, mad, qadtr?
  52 # CHECK-NEXT: adt %r1, 244(%r15)
  53 # CHECK-NEXT: ^
  54
  55 # Here it is checked that we don't suggest instructions that are not supported.
  56 # For example, in pre-z13 mode we don't want to see suggestions for vector instructions.
  57
  58   vlvggp %v1, %r2, %r3
  59
  60 # CHECK-ZEC12: error: invalid instruction
  61 # CHECK-ZEC12: vlvggp
  62 # CHECK-ZEC12: ^
  63
  64 # CHECK:      error: invalid instruction, did you mean: vlvg, vlvgg, vlvgp?
  65 # CHECK-NEXT: vlvggp %v1, %r2, %r3
  66 # CHECK-NEXT: ^