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move second opt run to lto phase and cleanup code

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This commit is contained in:
Manuel Drehwald 2025-02-10 01:35:22 -05:00
parent 21d096184e
commit 1221cff551
7 changed files with 75 additions and 54 deletions
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9
src/bootstrap/src/core/build_steps/compile.rs
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@ -1049,9 +1049,9 @@ pub fn rustc_cargo(
// <https://rust-lang.zulipchat.com/#narrow/stream/131828-t-compiler/topic/Internal.20lint.20for.20raw.20.60print!.60.20and.20.60println!.60.3F>.
cargo.rustflag("-Zon-broken-pipe=kill");
// We temporarily disable linking here as part of some refactoring.
// This way, people can manually use -Z llvm-plugins and -C passes=enzyme for now.
// In a follow-up PR, we will re-enable linking here and load the pass for them.
// We want to link against registerEnzyme and in the future we want to use additional
// functionality from Enzyme core. For that we need to link against Enzyme.
// FIXME(ZuseZ4): Get the LLVM version number automatically instead of hardcoding it.
if builder.config.llvm_enzyme {
cargo.rustflag("-l").rustflag("Enzyme-19");
}
@ -1234,6 +1234,9 @@ fn rustc_llvm_env(builder: &Builder<'_>, cargo: &mut Cargo, target: TargetSelect
if builder.is_rust_llvm(target) {
cargo.env("LLVM_RUSTLLVM", "1");
}
if builder.config.llvm_enzyme {
cargo.env("LLVM_ENZYME", "1");
}
let llvm::LlvmResult { llvm_config, .. } = builder.ensure(llvm::Llvm { target });
cargo.env("LLVM_CONFIG", &llvm_config);