Defined in 2 files as a prototype:

• contrib/compiler-rt/lib/sanitizer_common/sanitizer_common.h, line 392 (as a prototype)
• contrib/llvm/tools/clang/lib/Headers/intrin.h, line 262 (as a prototype)

Referenced in 7 files:

• contrib/compiler-rt/lib/builtins/int_lib.h, line 144
• contrib/compiler-rt/lib/sanitizer_common/sanitizer_common.h, line 407
• contrib/jemalloc/include/jemalloc/internal/bit_util.h, line 120
• contrib/llvm/include/llvm/Support/MathExtras.h, line 164
• contrib/subversion/subversion/libsvn_subr/lz4/lz4.c, line 332
• sys/contrib/zstd/lib/compress/zstd_compress_internal.h, line 362
• sys/contrib/zstd/lib/dictBuilder/zdict.c, line 136