# RUN: not llvm-mc -disassemble %s -triple=thumbv7em 2>&1 | FileCheck --check-prefix=CHECK %s
# RUN: not llvm-mc -disassemble %s -triple=thumbv7m 2>&1 | FileCheck --check-prefix=CHECK --check-prefix=CHECK-V7M %s

#------------------------------------------------------------------------------
# Undefined encodings for mrs
#------------------------------------------------------------------------------

# invalid SYSm
# CHECK: warning: invalid instruction encoding
# CHECK-NEXT: [0xef 0xf3 0x80 0x80]
[0xef 0xf3 0x80 0x80]

#------------------------------------------------------------------------------
# Undefined encodings for msr
#------------------------------------------------------------------------------

# invalid mask = '00'
# CHECK: warning: potentially undefined instruction encoding
# CHECK-NEXT: [0x80 0xf3 0x00 0x80]
[0x80 0xf3 0x00 0x80]

# invalid mask = '11' with SYSm not in {0..3}
# CHECK: warning: potentially undefined instruction encoding
# CHECK-NEXT: [0x80 0xf3 0x05 0x8c]
[0x80 0xf3 0x05 0x8c]

# invalid mask = '01' (ThumbV7M does not have the DSP extension)
# CHECK-V7M: warning: potentially undefined instruction encoding
# CHECK-V7M-NEXT: [0x80 0xf3 0x00 0x84]
[0x80 0xf3 0x00 0x84]

# invalid SYSm
# CHECK: warning: invalid instruction encoding
# CHECK-NEXT: [0x80 0xf3 0x80 0x88]
[0x80 0xf3 0x80 0x88]