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

   1 // RUN: not llvm-mc -triple=aarch64 -show-encoding -mattr=+sve  2>&1 < %s| FileCheck %s
   2
   3 // ------------------------------------------------------------------------- //
   4 // Tied operands must match
   5
   6 splice  z0.b, p0, z1.b, z2.b
   7 // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: operand must match destination register
   8 // CHECK-NEXT: splice  z0.b, p0, z1.b, z2.b
   9 // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
  10
  11
  12 // ------------------------------------------------------------------------- //
  13 // Invalid element widths.
  14
  15 splice  z0.b, p0, z0.b, z2.h
  16 // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid element width
  17 // CHECK-NEXT: splice  z0.b, p0, z0.b, z2.h
  18 // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
  19
  20
  21 // ------------------------------------------------------------------------- //
  22 // Invalid predicate
  23
  24 splice  z0.b, p8, z0.b, z1.b
  25 // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid restricted predicate register, expected p0..p7 (without element suffix)
  26 // CHECK-NEXT: splice  z0.b, p8, z0.b, z1.b
  27 // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
  28
  29 splice  z0.b, p7.b, z0.b, z1.b
  30 // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid restricted predicate register, expected p0..p7 (without element suffix)
  31 // CHECK-NEXT: splice  z0.b, p7.b, z0.b, z1.b
  32 // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
  33
  34 splice  z0.b, p7.q, z0.b, z1.b
  35 // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: invalid restricted predicate register, expected p0..p7 (without element suffix)
  36 // CHECK-NEXT: splice  z0.b, p7.q, z0.b, z1.b
  37 // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}:
  38
  39
  40 // --------------------------------------------------------------------------//
  41 // Negative tests for instructions that are incompatible with movprfx
  42
  43 movprfx z4.d, p7/z, z6.d
  44 splice  z4.d, p7, z4.d, z31.d
  45 // CHECK: [[@LINE-1]]:{{[0-9]+}}: error: instruction is unpredictable when following a predicated movprfx, suggest using unpredicated movprfx
  46 // CHECK-NEXT: splice  z4.d, p7, z4.d, z31.d
  47 // CHECK-NOT: [[@LINE-1]]:{{[0-9]+}}: