nordic-dev.net/rust
nordic-dev.net/rust
2
0
Fork 0
mirror of https://github.com/rust-lang/rust.git synced 2024-11-02 15:32:06 +00:00
Code Issues Packages Projects Releases Wiki Activity

Skip layout query when computing integer type size during mangling

Browse Source
This commit is contained in:
Tomasz Miąsko 2021-07-01 00:00:00 +00:00
parent f8ac8fdacf
commit c99f1b9b7e
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
compiler/rustc_symbol_mangling/src/v0.rs
View File

@ -3,9 +3,11 @@ use rustc_data_structures::fx::{FxHashMap, FxHashSet};
use rustc_hir as hir;
use rustc_hir::def_id::{CrateNum, DefId};
use rustc_hir::definitions::{DefPathData, DisambiguatedDefPathData};
use rustc_middle::ty::layout::IntegerExt;
use rustc_middle::ty::print::{Print, Printer};
use rustc_middle::ty::subst::{GenericArg, GenericArgKind, Subst};
use rustc_middle::ty::{self, FloatTy, Instance, IntTy, Ty, TyCtxt, TypeFoldable, UintTy};
use rustc_target::abi::Integer;
use rustc_target::spec::abi::Abi;
use std::fmt::Write;
@ -553,11 +555,9 @@ impl Printer<'tcx> for SymbolMangler<'tcx> {
ty::Uint(_) | ty::Bool | ty::Char => {
ct.try_eval_bits(self.tcx, ty::ParamEnv::reveal_all(), ct.ty)
}
ty::Int(_) => {
let param_env = ty::ParamEnv::reveal_all();
ct.try_eval_bits(self.tcx, param_env, ct.ty).and_then(|b| {
let sz = self.tcx.layout_of(param_env.and(ct.ty)).ok()?.size;
let val = sz.sign_extend(b) as i128;
ty::Int(ity) => {
ct.try_eval_bits(self.tcx, ty::ParamEnv::reveal_all(), ct.ty).and_then(|b| {
let val = Integer::from_int_ty(&self.tcx, *ity).size().sign_extend(b) as i128;
if val < 0 {
neg = true;
}