File: alignof.test

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llvm-toolchain-19 1%3A19.1.7-18
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# REQUIRES: x86
# RUN: llvm-mc -filetype=obj -triple=x86_64 %p/Inputs/alignof.s -o %t.o
# RUN: ld.lld -o %t --script %s %t.o
# RUN: llvm-readelf -s %t | FileCheck %s
# CHECK:         Value         Size Type   Bind   Vis     Ndx Name
# CHECK:      0000000000000008    0 NOTYPE GLOBAL DEFAULT ABS _aaa
# CHECK-NEXT: 0000000000000010    0 NOTYPE GLOBAL DEFAULT ABS _bbb
# CHECK-NEXT: 0000000000000020    0 NOTYPE GLOBAL DEFAULT ABS _ccc

SECTIONS {
  .aaa : { *(.aaa) }
  .bbb : { *(.bbb) }
  .ccc : { *(.ccc) }
  _aaa = ALIGNOF(.aaa);
  _bbb = ALIGNOF(.bbb);
  _ccc = ALIGNOF(.ccc);
}

## Check that we error out if trying to get alignment of
## section that does not exist.
# RUN: echo "SECTIONS { _aaa = ALIGNOF(.foo); }" > %t.script
# RUN: not ld.lld -o /dev/null --script %t.script %t.o 2>&1 \
# RUN:  | FileCheck -check-prefix=ERR %s
# ERR: {{.*}}.script:1: undefined section .foo