File: directive-if-subtraction.s

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llvm-toolchain-21 1%3A21.1.6-3
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// RUN: not llvm-mc -triple armv7a-linux-gnueabihf %s -o /dev/null 2>&1 | FileCheck --check-prefix=ASM %s --implicit-check-not=error:
// RUN: llvm-mc -triple armv7a-linux-gnueabihf %s -filetype=obj -o %t 2>&1 | count 0
// RUN: llvm-objdump -d %t | FileCheck --check-prefix=DISASM %s

nop
// Create a new MCDataFragment due to Subtarget change
.arch_extension sec
9997:nop
.if . - 9997b == 0
// ASM:    :[[#@LINE-1]]:5: error: expected absolute expression
// DISASM: orr	r1, r1, #2
orr r1, r1, #1
.else
orr r1, r1, #2
.endif

nop
.arch_extension sec
9997:nop
.if 9997b - . == 0
// ASM:    :[[#@LINE-1]]:5: error: expected absolute expression
// DISASM: orr	r1, r1, #2
orr r1, r1, #1
.else
orr r1, r1, #2
.endif

@ RUN: not llvm-mc -filetype=obj -triple arm-linux-gnueabihf --defsym=ERR=1 %s -o /dev/null 2>&1 | FileCheck --check-prefix=ARM-ERR %s
@ RUN: not llvm-mc -filetype=obj -triple thumbv7a-linux-gnueabihf --defsym=ERR=1 %s -o /dev/null 2>&1 | FileCheck --check-prefix=THUMB2-ERR %s

.ifdef ERR
9997: nop
      .align 4
      nop
.if . - 9997b == 4
// ARM-ERR:[[@LINE-1]]:5: error: expected absolute expression
.endif

9997: nop
      .space 4
      nop
.if . - 9997b == 4
.endif

9997:
      ldr r0,=0x12345678
      .ltorg
      nop
.if . - 9997b == 4
// ARM-ERR:[[@LINE-1]]:5: error: expected absolute expression
.endif

9997: nop
      b external
      nop
.if . - 9997b == 4
// THUMB2-ERR:[[@LINE-1]]:5: error: expected absolute expression
.endif
.endif