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switch #[cfg(not(llvm_enzyme))] to cfg!(llvm_enzyme)

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This commit is contained in:
Vayun Biyani 2025-02-27 19:32:30 +05:30
parent cb53e97870
commit c85f038307
2 changed files with 4 additions and 26 deletions
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26
compiler/rustc_builtin_macros/src/autodiff.rs
View File

@ -3,7 +3,6 @@
//! configs (autodiff enabled or disabled), so we have to add cfg's to each import.
//! FIXME(ZuseZ4): Remove this once we have a smarter linter.
#[cfg(llvm_enzyme)]
mod llvm_enzyme {
use std::str::FromStr;
use std::string::String;
@ -130,6 +129,10 @@ mod llvm_enzyme {
meta_item: &ast::MetaItem,
mut item: Annotatable,
) -> Vec<Annotatable> {
if cfg!(not(llvm_enzyme)) {
ecx.sess.dcx().emit_err(errors::AutoDiffSupportNotBuild { span: meta_item.span });
return vec![item];
}
let dcx = ecx.sess.dcx();
// first get the annotable item:
let (sig, is_impl): (FnSig, bool) = match &item {
@ -801,25 +804,4 @@ mod llvm_enzyme {
}
}
#[cfg(not(llvm_enzyme))]
mod ad_fallback {
use rustc_ast::ast;
use rustc_expand::base::{Annotatable, ExtCtxt};
use rustc_span::Span;
use crate::errors;
pub(crate) fn expand(
ecx: &mut ExtCtxt<'_>,
_expand_span: Span,
meta_item: &ast::MetaItem,
item: Annotatable,
) -> Vec<Annotatable> {
ecx.sess.dcx().emit_err(errors::AutoDiffSupportNotBuild { span: meta_item.span });
return vec![item];
}
}
#[cfg(not(llvm_enzyme))]
pub(crate) use ad_fallback::expand;
#[cfg(llvm_enzyme)]
pub(crate) use llvm_enzyme::expand;

4
compiler/rustc_builtin_macros/src/errors.rs
View File

@ -144,10 +144,8 @@ pub(crate) struct AllocMustStatics {
pub(crate) span: Span,
}
#[cfg(llvm_enzyme)]
pub(crate) use autodiff::*;
#[cfg(llvm_enzyme)]
mod autodiff {
use super::*;
#[derive(Diagnostic)]
@ -203,9 +201,7 @@ mod autodiff {
}
}
#[cfg(not(llvm_enzyme))]
pub(crate) use ad_fallback::*;
#[cfg(not(llvm_enzyme))]
mod ad_fallback {
use super::*;
#[derive(Diagnostic)]