import re
from lit.llvm import llvm_config

# Retrieve the substitution for %clang_cc1
target = "%clang_cc1"
clang_cc1 = next(
    (value for pattern, value in config.substitutions if re.search(pattern, target)),
    None
)

# Standard `clang -cc1` invocaiton for code-gen/lowering tests for
# Aarch64/arm64. 
config.substitutions.append(("%clang_cc1_cg_arm64_neon", clang_cc1 + " -triple arm64-none-linux-gnu -target-feature +neon -o -"))