llvm/llvm/test/tools/llvm-ifs/output-target-error.test

## Test running llvm-ifs without specifying a valid target.

# RUN: not llvm-ifs --output=%t %s 2>&1 | FileCheck %s --check-prefix=MISSING
# RUN: not llvm-ifs  --output-format=nope --output=%t %s 2>&1 | FileCheck %s --check-prefix=INVALID

--- !ifs-v1
SoName: somelib.so
IfsVersion: 3.0
Target: { ObjectFormat: ELF, Arch: x86_64, Endianness: little, BitWidth: 64 }
Symbols: []
...

# MISSING: error: at least one output should be specified.

# INVALID: {{llvm-ifs(\.exe)?}}: for the --output-format option: Cannot find option named 'nope'!