Compiler projects using llvm
# RUN: llvm-ifs --input-format=IFS --output-ifs - %s %S/func.ifs %S/object.ifs %S/weak.ifs | \
# RUN: FileCheck %s --check-prefixes=CHECK-IFS

# RUN: llvm-ifs --input-format=IFS --output-elf - %s %S/func.ifs %S/object.ifs %S/weak.ifs | \
# RUN: llvm-readelf --all - | FileCheck %s --check-prefixes=CHECK-ELF

# CHECK-IFS: --- !ifs-v1
# CHECK-IFS-NEXT: IfsVersion: 3.0
# CHECK-IFS-NEXT: Target:          x86_64-unknown-linux-gnu
# CHECK-IFS-NEXT: Symbols:
# CHECK-IFS-DAG:   - { Name: e,              Type: Object, Size: 8 }
# CHECK-IFS-DAG:   - { Name: a,              Type: Func }
# CHECK-IFS-DAG:   - { Name: f,              Type: Object, Size: 2 }
# CHECK-IFS-DAG:   - { Name: _Z10strongFuncv, Type: Func }
# CHECK-IFS-DAG:   - { Name: _Z8weakFuncv,   Type: Func, Weak: true }
# CHECK-IFS-DAG:   - { Name: b,              Type: Object, Size: 4 }
# CHECK-IFS: ...

# CHECK-ELF: FUNC    GLOBAL DEFAULT  1 _Z10strongFuncv
# CHECK-ELF: FUNC    WEAK   DEFAULT  1 _Z8weakFuncv
# CHECK-ELF: FUNC    GLOBAL DEFAULT  1 a
# CHECK-ELF: OBJECT  GLOBAL DEFAULT  1 b
# CHECK-ELF: OBJECT  GLOBAL DEFAULT  1 e
# CHECK-ELF: OBJECT  GLOBAL DEFAULT  1 f

--- !ifs-v1
IfsVersion: 3.0
Target:          x86_64-unknown-linux-gnu
Symbols:
  - { Name: e, Type: Object, Size: 8 }
  - { Name: f, Type: Object, Size: 2 }
...