bjoernager/rust
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do not add prolog for variadic naked functions

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fixes #99858
This commit is contained in:
Guy Shefy 2024-03-30 16:33:18 +03:00
parent 8df7e723ea
commit 9139d7252d
3 changed files with 27 additions and 1 deletions
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7
compiler/rustc_codegen_ssa/src/mir/mod.rs
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@ -2,6 +2,7 @@ use crate::base;
use crate::traits::*;
use rustc_index::bit_set::BitSet;
use rustc_index::IndexVec;
use rustc_middle::middle::codegen_fn_attrs::CodegenFnAttrFlags;
use rustc_middle::mir;
use rustc_middle::mir::traversal;
use rustc_middle::mir::UnwindTerminateReason;
@ -290,6 +291,12 @@ fn arg_local_refs<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>(
let mut num_untupled = None;
let codegen_fn_attrs = bx.tcx().codegen_fn_attrs(fx.instance.def_id());
let naked = codegen_fn_attrs.flags.contains(CodegenFnAttrFlags::NAKED);
if naked {
return vec![];
}
let args = mir
.args_iter()
.enumerate()