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      1 # These spawn another process so they're rather expensive. Not many.
      2 
      3 # LDR/STR: undefined if option field is 10x or 00x.
      4 # RUN: echo "0x00 0x08 0x20 0xf8" | llvm-mc -triple arm64 -disassemble 2>&1 | FileCheck %s
      5 # RUN: echo "0x00 0x88 0x20 0xf8" | llvm-mc -triple arm64 -disassemble 2>&1 | FileCheck %s
      6 
      7 # Instructions notionally in the add/sub (extended register) sheet, but with
      8 # invalid shift amount or "opt" field.
      9 # RUN: echo "0x00 0x10 0xa0 0x0b" | llvm-mc -triple=arm64 -disassemble 2>&1 | FileCheck %s
     10 # RUN: echo "0x00 0x10 0x60 0x0b" | llvm-mc -triple=arm64 -disassemble 2>&1 | FileCheck %s
     11 # RUN: echo "0x00 0x14 0x20 0x0b" | llvm-mc -triple=arm64 -disassemble 2>&1 | FileCheck %s
     12 
     13 # MOVK with sf == 0 and hw<1> == 1 is unallocated.
     14 # RUN: echo "0x00 0x00 0xc0 0x72" | llvm-mc -triple=arm64 -disassemble 2>&1 | FileCheck %s
     15 
     16 # ADD/SUB (shifted register) are reserved if shift == '11' or sf == '0' and imm6<5> == '1'.
     17 # RUN: echo "0x00 0x00 0xc0 0xeb" | llvm-mc -triple=arm64 -disassemble 2>&1 | FileCheck %s
     18 # RUN: echo "0x00 0x80 0x80 0x6b" | llvm-mc -triple=arm64 -disassemble 2>&1 | FileCheck %s
     19 
     20 # UBFM is undefined when s == 0 and imms<5> or immr<5> is 1.
     21 # RUN: echo "0x00 0x80 0x00 0x53" | llvm-mc -triple=arm64 -disassemble 2>&1 | FileCheck %s
     22 
     23 # EXT on vectors of i8 must have imm<3> = 0.
     24 # RUN: echo "0x00 0x40 0x00 0x2e" | llvm-mc -triple=arm64 -disassemble 2>&1 | FileCheck %s
     25 
     26 # SCVTF on fixed point W-registers is undefined if scale<5> == 0.
     27 # Same with FCVTZS and FCVTZU.
     28 # RUN: echo "0x00 0x00 0x02 0x1e" | llvm-mc -triple=arm64 -disassemble 2>&1 | FileCheck %s
     29 # RUN: echo "0x00 0x00 0x18 0x1e" | llvm-mc -triple=arm64 -disassemble 2>&1 | FileCheck %s
     30 
     31 # CHECK: invalid instruction encoding
     32