test/MC/AArch64/SVE/decp-diagnostics.s

   1 // RUN: not llvm-mc -triple=aarch64 -show-encoding -mattr=+sve  2>&1 < %s| FileCheck %s
   2
   3 // ------------------------------------------------------------------------- //
   4 // Invalid result register
   5
   6 decp 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
  11 decp 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
  20 decp 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
  25 decp 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
  30 decp 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
  35 decp 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 decp z0.d, p0.b
  41 // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid predicate register
  42 // CHECK-NEXT: decp z0.d, p0.b
  43 // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
  44
  45 decp z0.d, p0.q
  46 // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid predicate register
  47 // CHECK-NEXT: decp z0.d, p0.q
  48 // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
  49
  50
  51 // --------------------------------------------------------------------------//
  52 // Negative tests for instructions that are incompatible with movprfx
  53
  54 movprfx z31.d, p7/z, z6.d
  55 decp    z31.d, p7
  56 // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: instruction is unpredictable when following a predicated movprfx, suggest using unpredicated movprfx
  57 // CHECK-NEXT: decp    z31.d, p7
  58 // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: