llvm/test/MC/AArch64/SME/revd-diagnostics.s

   1 // RUN: not llvm-mc -triple=aarch64 -show-encoding -mattr=+sme 2>&1 < %s| FileCheck %s
   2
   3 // ------------------------------------------------------------------------- //
   4 // Invalid predicate
   5
   6 // invalid range (expected: p0-p7)
   7 revd z0.q, p8/m, z0.q
   8 // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid restricted predicate register, expected p0..p7 (without element suffix)
   9 // CHECK-NEXT: revd z0.q, p8/m, z0.q
  10 // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
  11
  12 // wrong predication qualifier, expected /m.
  13 revd z0.q, p0/z, z0.q
  14 // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: instruction requires: sme2p2 or sve2p2
  15 // CHECK-NEXT: revd z0.q, p0/z, z0.q
  16 // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
  17
  18 // ------------------------------------------------------------------------- //
  19 // Invalid ZPR element width
  20
  21 revd z0.b, p0/m, z0.q
  22 // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width
  23 // CHECK-NEXT: revd z0.b, p0/m, z0.q
  24 // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
  25
  26 revd z0.q, p0/m, z0.s
  27 // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width
  28 // CHECK-NEXT: revd z0.q, p0/m, z0.s
  29 // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
  30
  31 // --------------------------------------------------------------------------//
  32 // Negative tests for instructions that are incompatible with movprfx
  33
  34 movprfx z21, z25
  35 revd    z21.q, p5/m, z10.q
  36 // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: instruction is unpredictable when following a movprfx, suggest replacing movprfx with mov
  37 // CHECK-NEXT: revd    z21.q, p5/m, z10.q
  38 // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: