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llvm-6502/test/MC/ARM/diagnostics.s
Kevin Enderby 1a47d66496 Change the ARM assembler to require a :lower16: or :upper16 on non-constant 
expressions for mov instructions instead of silently truncating by default.

For the ARM assembler, we want to avoid misleadingly allowing something
like "mov r0, <symbol>" especially when we turn it into a movw and the
expression <symbol> does not have a :lower16: or :upper16" as part of the
expression.  We don't want the behavior of silently truncating, which can be
unexpected and lead to bugs that are difficult to find since this is an easy
mistake to make.

This does change the previous behavior of llvm but actually matches an
older gnu assembler that would not allow this but print less useful errors
of like “invalid constant (0x927c0) after fixup” and “unsupported relocation on
symbol foo”.  The error for llvm is "immediate expression for mov requires
:lower16: or :upper16" with correct location information on the operand
as shown in the added test cases.

rdar://12342160


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@206669 91177308-0d34-0410-b5e6-96231b3b80d8
2014-04-18 23:06:39 +00:00

476 lines
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ArmAsm
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@ RUN: not llvm-mc -triple=armv7-apple-darwin < %s 2> %t
@ RUN: FileCheck --check-prefix=CHECK-ERRORS < %t %s
@ RUN: not llvm-mc -triple=armv8 < %s 2> %t
@ RUN: FileCheck --check-prefix=CHECK-ERRORS-V8 < %t %s
@ Check for various assembly diagnostic messages on invalid input.
@ 's' bit on an instruction that can't accept it.
mlss r1, r2, r3, r4
@ CHECK-ERRORS: error: instruction 'mls' can not set flags,
@ CHECK-ERRORS: but 's' suffix specified
@ Out of range shift immediate values.
adc r1, r2, r3, lsl #invalid
adc r4, r5, r6, lsl #-1
adc r4, r5, r6, lsl #32
adc r4, r5, r6, lsr #-1
adc r4, r5, r6, lsr #33
adc r4, r5, r6, asr #-1
adc r4, r5, r6, asr #33
adc r4, r5, r6, ror #-1
adc r4, r5, r6, ror #32
@ CHECK-ERRORS: error: invalid immediate shift value
@ CHECK-ERRORS: adc r1, r2, r3, lsl #invalid
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: immediate shift value out of range
@ CHECK-ERRORS: adc r4, r5, r6, lsl #-1
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: immediate shift value out of range
@ CHECK-ERRORS: adc r4, r5, r6, lsl #32
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: immediate shift value out of range
@ CHECK-ERRORS: adc r4, r5, r6, lsr #-1
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: immediate shift value out of range
@ CHECK-ERRORS: adc r4, r5, r6, lsr #33
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: immediate shift value out of range
@ CHECK-ERRORS: adc r4, r5, r6, asr #-1
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: immediate shift value out of range
@ CHECK-ERRORS: adc r4, r5, r6, asr #33
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: immediate shift value out of range
@ CHECK-ERRORS: adc r4, r5, r6, ror #-1
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: immediate shift value out of range
@ CHECK-ERRORS: adc r4, r5, r6, ror #32
@ Out of range shift immediate values for load/store.
str r1, [r2, r3, lsl #invalid]
ldr r4, [r5], r6, lsl #-1
pld r4, [r5, r6, lsl #32]
str r4, [r5], r6, lsr #-1
ldr r4, [r5, r6, lsr #33]
pld r4, [r5, r6, asr #-1]
str r4, [r5, r6, asr #33]
ldr r4, [r5, r6, ror #-1]
pld r4, [r5, r6, ror #32]
pld r4, [r5, r6, rrx #0]
@ CHECK-ERRORS: error: shift amount must be an immediate
@ CHECK-ERRORS: str r1, [r2, r3, lsl #invalid]
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: immediate shift value out of range
@ CHECK-ERRORS: ldr r4, [r5], r6, lsl #-1
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: immediate shift value out of range
@ CHECK-ERRORS: pld r4, [r5, r6, lsl #32]
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: immediate shift value out of range
@ CHECK-ERRORS: str r4, [r5], r6, lsr #-1
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: immediate shift value out of range
@ CHECK-ERRORS: ldr r4, [r5, r6, lsr #33]
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: immediate shift value out of range
@ CHECK-ERRORS: pld r4, [r5, r6, asr #-1]
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: immediate shift value out of range
@ CHECK-ERRORS: str r4, [r5, r6, asr #33]
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: immediate shift value out of range
@ CHECK-ERRORS: ldr r4, [r5, r6, ror #-1]
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: immediate shift value out of range
@ CHECK-ERRORS: pld r4, [r5, r6, ror #32]
@ CHECK-ERRORS: error: ']' expected
@ CHECK-ERRORS: pld r4, [r5, r6, rrx #0]
@ Out of range 16-bit immediate on BKPT
bkpt #65536
@ CHECK-ERRORS: error: invalid operand for instruction
@ Out of range immediates for v8 HLT instruction.
hlt #65536
hlt #-1
@CHECK-ERRORS-V8: error: invalid operand for instruction
@CHECK-ERRORS-V8: hlt #65536
@CHECK-ERRORS-V8: ^
@CHECK-ERRORS-V8: error: invalid operand for instruction
@CHECK-ERRORS-V8: hlt #-1
@CHECK-ERRORS-V8: ^
@ Illegal condition code for v8 HLT instruction.
hlteq #2
hltlt #23
@CHECK-ERRORS-V8: error: instruction 'hlt' is not predicable, but condition code specified
@CHECK-ERRORS-V8: hlteq #2
@CHECK-ERRORS-V8: ^
@CHECK-ERRORS-V8: error: instruction 'hlt' is not predicable, but condition code specified
@CHECK-ERRORS-V8: hltlt #23
@CHECK-ERRORS-V8: ^
@ Out of range 4 and 3 bit immediates on CDP[2]
@ Out of range immediates for CDP/CDP2
cdp p7, #2, c1, c1, c1, #8
cdp p7, #1, c1, c1, c1, #8
cdp2 p7, #2, c1, c1, c1, #8
cdp2 p7, #1, c1, c1, c1, #8
@ CHECK-ERRORS: error: invalid operand for instruction
@ CHECK-ERRORS: error: invalid operand for instruction
@ CHECK-ERRORS: error: invalid operand for instruction
@ CHECK-ERRORS: error: invalid operand for instruction
@ Out of range immediates for DBG
dbg #-1
dbg #16
@ CHECK-ERRORS: error: immediate operand must be in the range [0,15]
@ CHECK-ERRORS: error: immediate operand must be in the range [0,15]
@ Double-check that we're synced up with the right diagnostics.
@ CHECK-ERRORS: dbg #16
@ Out of range immediate for MCR/MCR2/MCRR/MCRR2
mcr p7, #8, r5, c1, c1, #4
mcr p7, #2, r5, c1, c1, #8
mcr2 p7, #8, r5, c1, c1, #4
mcr2 p7, #1, r5, c1, c1, #8
mcrr p7, #16, r5, r4, c1
mcrr2 p7, #16, r5, r4, c1
@ CHECK-ERRORS: error: invalid operand for instruction
@ CHECK-ERRORS: error: invalid operand for instruction
@ CHECK-ERRORS: error: invalid operand for instruction
@ CHECK-ERRORS: error: invalid operand for instruction
@ CHECK-ERRORS: error: immediate operand must be in the range [0,15]
@ CHECK-ERRORS: error: immediate operand must be in the range [0,15]
@ p10 and p11 are reserved for NEON
mcr p10, #2, r5, c1, c1, #4
mcrr p11, #8, r5, r4, c1
@ CHECK-ERRORS: error: invalid operand for instruction
@ CHECK-ERRORS: error: invalid operand for instruction
@ Out of range immediate for MOV
movw r9, 0x10000
@ CHECK-ERRORS: error: invalid operand for instruction
@ Invalid 's' bit usage for MOVW
movs r6, #0xffff
movwseq r9, #0xffff
@ CHECK-ERRORS: error: invalid operand for instruction
@ CHECK-ERRORS: error: instruction 'movw' can not set flags, but 's' suffix specified
@ Out of range immediate for MOVT
movt r9, 0x10000
@ CHECK-ERRORS: error: invalid operand for instruction
@ Out of range immediates for MRC/MRC2/MRRC/MRRC2
mrc p14, #8, r1, c1, c2, #4
mrc p14, #1, r1, c1, c2, #8
mrc2 p14, #8, r1, c1, c2, #4
mrc2 p14, #0, r1, c1, c2, #9
mrrc p7, #16, r5, r4, c1
mrrc2 p7, #17, r5, r4, c1
@ CHECK-ERRORS: error: invalid operand for instruction
@ CHECK-ERRORS: error: invalid operand for instruction
@ CHECK-ERRORS: error: invalid operand for instruction
@ CHECK-ERRORS: error: invalid operand for instruction
@ CHECK-ERRORS: error: immediate operand must be in the range [0,15]
@ CHECK-ERRORS: error: immediate operand must be in the range [0,15]
@ Shifter operand validation for PKH instructions.
pkhbt r2, r2, r3, lsl #-1
pkhbt r2, r2, r3, lsl #32
pkhtb r2, r2, r3, asr #0
pkhtb r2, r2, r3, asr #33
pkhbt r2, r2, r3, asr #3
pkhtb r2, r2, r3, lsl #3
@ CHECK-ERRORS: error: immediate value out of range
@ CHECK-ERRORS: pkhbt r2, r2, r3, lsl #-1
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: immediate value out of range
@ CHECK-ERRORS: pkhbt r2, r2, r3, lsl #32
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: immediate value out of range
@ CHECK-ERRORS: pkhtb r2, r2, r3, asr #0
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: immediate value out of range
@ CHECK-ERRORS: pkhtb r2, r2, r3, asr #33
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: lsl operand expected.
@ CHECK-ERRORS: pkhbt r2, r2, r3, asr #3
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: asr operand expected.
@ CHECK-ERRORS: pkhtb r2, r2, r3, lsl #3
@ CHECK-ERRORS: ^
@ bad values for SETEND
setendne be
setend me
setend 1
@ CHECK-ERRORS: error: instruction 'setend' is not predicable, but condition code specified
@ CHECK-ERRORS: setendne be
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: 'be' or 'le' operand expected
@ CHECK-ERRORS: setend me
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: 'be' or 'le' operand expected
@ CHECK-ERRORS: setend 1
@ CHECK-ERRORS: ^
@ Out of range immediates and bad shift types for SSAT
ssat r8, #0, r10, lsl #8
ssat r8, #33, r10, lsl #8
ssat r8, #1, r10, lsl #-1
ssat r8, #1, r10, lsl #32
ssat r8, #1, r10, asr #0
ssat r8, #1, r10, asr #33
ssat r8, #1, r10, lsr #5
ssat r8, #1, r10, lsl fred
ssat r8, #1, r10, lsl #fred
@ CHECK-ERRORS: error: invalid operand for instruction
@ CHECK-ERRORS: ssat r8, #0, r10, lsl #8
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: invalid operand for instruction
@ CHECK-ERRORS: ssat r8, #33, r10, lsl #8
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: 'lsr' shift amount must be in range [0,31]
@ CHECK-ERRORS: ssat r8, #1, r10, lsl #-1
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: 'lsr' shift amount must be in range [0,31]
@ CHECK-ERRORS: ssat r8, #1, r10, lsl #32
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: 'asr' shift amount must be in range [1,32]
@ CHECK-ERRORS: ssat r8, #1, r10, asr #0
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: 'asr' shift amount must be in range [1,32]
@ CHECK-ERRORS: ssat r8, #1, r10, asr #33
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: shift operator 'asr' or 'lsl' expected
@ CHECK-ERRORS: ssat r8, #1, r10, lsr #5
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: '#' expected
@ CHECK-ERRORS: ssat r8, #1, r10, lsl fred
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: shift amount must be an immediate
@ CHECK-ERRORS: ssat r8, #1, r10, lsl #fred
@ CHECK-ERRORS: ^
@ Out of range immediates for SSAT16
ssat16 r2, #0, r7
ssat16 r3, #17, r5
@ CHECK-ERRORS: error: invalid operand for instruction
@ CHECK-ERRORS: ssat16 r2, #0, r7
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: invalid operand for instruction
@ CHECK-ERRORS: ssat16 r3, #17, r5
@ CHECK-ERRORS: ^
@ Out of order STM registers
stmda sp!, {r5, r2}
@ CHECK-ERRORS: warning: register list not in ascending order
@ CHECK-ERRORS: stmda sp!, {r5, r2}
@ CHECK-ERRORS: ^
@ Out of range immediate on SVC
svc #0x1000000
@ CHECK-ERRORS: error: invalid operand for instruction
@ CHECK-ERRORS: svc #0x1000000
@ CHECK-ERRORS: ^
@ Out of order Rt/Rt2 operands for ldrexd/strexd
ldrexd r4, r3, [r8]
strexd r6, r5, r3, [r8]
@ CHECK-ERRORS: error: destination operands must be sequential
@ CHECK-ERRORS: ldrexd r4, r3, [r8]
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: source operands must be sequential
@ CHECK-ERRORS: strexd r6, r5, r3, [r8]
@ CHECK-ERRORS: ^
@ Illegal rotate operators for extend instructions
sxtb r8, r3, #8
sxtb r8, r3, ror 24
sxtb r8, r3, ror #8 -
sxtab r3, r8, r3, ror #(fred - wilma)
sxtab r7, r8, r3, ror #25
sxtah r9, r3, r3, ror #-8
sxtb16ge r2, r3, lsr #24
@ CHECK-ERRORS: error: invalid operand for instruction
@ CHECK-ERRORS: sxtb r8, r3, #8
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: '#' expected
@ CHECK-ERRORS: sxtb r8, r3, ror 24
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: unknown token in expression
@ CHECK-ERRORS: sxtb r8, r3, ror #8 -
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: malformed rotate expression
@ CHECK-ERRORS: sxtb r8, r3, ror #8 -
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: rotate amount must be an immediate
@ CHECK-ERRORS: sxtab r3, r8, r3, ror #(fred - wilma)
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: 'ror' rotate amount must be 8, 16, or 24
@ CHECK-ERRORS: sxtab r7, r8, r3, ror #25
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: 'ror' rotate amount must be 8, 16, or 24
@ CHECK-ERRORS: sxtah r9, r3, r3, ror #-8
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: invalid operand for instruction
@ CHECK-ERRORS: sxtb16ge r2, r3, lsr #24
@ CHECK-ERRORS: ^
@ Out of range width for SBFX/UBFX
sbfx r4, r5, #31, #2
ubfxgt r4, r5, #16, #17
@ CHECK-ERRORS: error: bitfield width must be in range [1,32-lsb]
@ CHECK-ERRORS: sbfx r4, r5, #31, #2
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: bitfield width must be in range [1,32-lsb]
@ CHECK-ERRORS: ubfxgt r4, r5, #16, #17
@ CHECK-ERRORS: ^
@ Out of order Rt/Rt2 operands for ldrd
ldrd r4, r3, [r8]
ldrd r4, r3, [r8, #8]!
ldrd r4, r3, [r8], #8
@ CHECK-ERRORS: error: destination operands must be sequential
@ CHECK-ERRORS: ldrd r4, r3, [r8]
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: destination operands must be sequential
@ CHECK-ERRORS: ldrd r4, r3, [r8, #8]!
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: destination operands must be sequential
@ CHECK-ERRORS: ldrd r4, r3, [r8], #8
@ CHECK-ERRORS: ^
@ Bad register lists for VFP.
vpush {s0, s3}
@ CHECK-ERRORS: error: non-contiguous register range
@ CHECK-ERRORS: vpush {s0, s3}
@ CHECK-ERRORS: ^
@ Out of range coprocessor option immediate.
ldc2 p2, c8, [r1], { 256 }
ldc2 p2, c8, [r1], { -1 }
@ CHECK-ERRORS: error: coprocessor option must be an immediate in range [0, 255]
@ CHECK-ERRORS: ldc2 p2, c8, [r1], { 256 }
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: coprocessor option must be an immediate in range [0, 255]
@ CHECK-ERRORS: ldc2 p2, c8, [r1], { -1 }
@ CHECK-ERRORS: ^
@ Bad CPS instruction format.
cps f,#1
@ CHECK-ERRORS: error: invalid operand for instruction
@ CHECK-ERRORS: cps f,#1
@ CHECK-ERRORS: ^
@ Bad operands for msr
msr #0, #0
msr foo, #0
@ CHECK-ERRORS: error: invalid operand for instruction
@ CHECK-ERRORS: msr #0, #0
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: invalid operand for instruction
@ CHECK-ERRORS: msr foo, #0
@ CHECK-ERRORS: ^
isb #-1
isb #16
@ CHECK-ERRORS: error: immediate value out of range
@ CHECK-ERRORS: error: immediate value out of range
nop.n
@ CHECK-ERRORS: error: instruction with .n (narrow) qualifier not allowed in arm mode
dmbeq #5
dsble #15
isblo #7
@ CHECK-ERRORS: error: instruction 'dmb' is not predicable, but condition code specified
@ CHECK-ERRORS: error: instruction 'dsb' is not predicable, but condition code specified
@ CHECK-ERRORS: error: instruction 'isb' is not predicable, but condition code specified
dmblt
dsbne
isbeq
@ CHECK-ERRORS: error: instruction 'dmb' is not predicable, but condition code specified
@ CHECK-ERRORS: error: instruction 'dsb' is not predicable, but condition code specified
@ CHECK-ERRORS: error: instruction 'isb' is not predicable, but condition code specified
mcr2le p7, #1, r5, c1, c1, #4
mcrr2ne p7, #15, r5, r4, c1
mrc2lo p14, #0, r1, c1, c2, #4
mrrc2lo p7, #1, r5, r4, c1
cdp2hi p10, #0, c6, c12, c0, #7
@ CHECK-ERRORS: error: instruction 'mcr2' is not predicable, but condition code specified
@ CHECK-ERRORS: error: instruction 'mcrr2' is not predicable, but condition code specified
@ CHECK-ERRORS: error: instruction 'mrc2' is not predicable, but condition code specified
@ CHECK-ERRORS: error: instruction 'mrrc2' is not predicable, but condition code specified
@ CHECK-ERRORS: error: instruction 'cdp2' is not predicable, but condition code specified
bkpteq #7
@ CHECK-ERRORS: error: instruction 'bkpt' is not predicable, but condition code specified
ldm r2!, {r2, r3}
ldmdb r2!, {r2, r3}
ldmda r2!, {r2, r3}
popeq {sp}
@ CHECK-ERRORS: error: writeback register not allowed in register list
@ CHECK-ERRORS: error: writeback register not allowed in register list
@ CHECK-ERRORS: error: writeback register not allowed in register list
@ CHECK-ERRORS: error: writeback register not allowed in register list
vrintz.f32.f32 s0, s1
vrintr.f32 s0, s1
vrintx.f64.f64 d2, d5
vrintz.f64 d10, d9
vrinta.f32.f32 s6, s7
vrintn.f32 s8, s9
vrintp.f64.f64 d10, d11
vrintm.f64 d12, d13
@ CHECK-ERRORS: error: instruction requires: FPARMv8
@ CHECK-ERRORS: error: instruction requires: FPARMv8
@ CHECK-ERRORS: error: instruction requires: FPARMv8
@ CHECK-ERRORS: error: instruction requires: FPARMv8
@ CHECK-ERRORS: error: instruction requires: FPARMv8
@ CHECK-ERRORS: error: instruction requires: FPARMv8
@ CHECK-ERRORS: error: instruction requires: FPARMv8
@ CHECK-ERRORS: error: instruction requires: FPARMv8
stm sp!, {r0, pc}^
ldm sp!, {r0}^
@ CHECK-ERRORS: error: system STM cannot have writeback register
@ CHECK-ERRORS: error: writeback register only allowed on system LDM if PC in register-list
foo2:
mov r0, foo2
movw r0, foo2
@ CHECK-ERRORS: error: immediate expression for mov requires :lower16: or :upper16
@ CHECK-ERRORS: ^
@ CHECK-ERRORS: error: immediate expression for mov requires :lower16: or :upper16
@ CHECK-ERRORS: ^
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