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Auto merge of #122849 - clubby789:no-metadata, r=petrochenkov

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Don't emit load metadata in debug mode

r? `@ghost`
This commit is contained in:
bors 2024-03-26 06:46:43 +00:00
commit 73476d4990
4 changed files with 20 additions and 9 deletions
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11
compiler/rustc_codegen_llvm/src/builder.rs
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@ -20,6 +20,7 @@ use rustc_middle::ty::layout::{
FnAbiError, FnAbiOfHelpers, FnAbiRequest, LayoutError, LayoutOfHelpers, TyAndLayout,
};
use rustc_middle::ty::{self, Instance, Ty, TyCtxt};
use rustc_session::config::OptLevel;
use rustc_span::Span;
use rustc_symbol_mangling::typeid::{
kcfi_typeid_for_fnabi, kcfi_typeid_for_instance, typeid_for_fnabi, typeid_for_instance,
@ -551,6 +552,11 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> {
layout: TyAndLayout<'tcx>,
offset: Size,
) {
if bx.cx.sess().opts.optimize == OptLevel::No {
// Don't emit metadata we're not going to use
return;
}
if !scalar.is_uninit_valid() {
bx.noundef_metadata(load);
}
@ -667,6 +673,11 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> {
return;
}
if self.cx.sess().opts.optimize == OptLevel::No {
// Don't emit metadata we're not going to use
return;
}
unsafe {
let llty = self.cx.val_ty(load);
let v = [