Cargo Features

[dependencies]
tblgen = { version = "0.6.0", default-features = false, features = ["llvm19-0", "llvm20-0"] }
default = llvm20-0

The llvm20-0 feature is set by default whenever tblgen is added without default-features = false somewhere in the dependency tree.

llvm16-0 llvm17-0 llvm18-0 llvm19-0
llvm20-0 default

tblgen has 3 features without comments.