<commit_before>//! An analysis to determine which locals require allocas and
//! which do not.

use super::FunctionCx;
use crate::traits::*;
use rustc_data_structures::graph::dominators::Dominators;
use rustc_index::bit_set::BitSet;
use rustc_index::vec::{Idx, IndexVec};
use rustc_middle::mir::traversal;
use rustc_middle::mir::visit::{MutatingUseContext, NonMutatingUseContext, PlaceContext, Visitor};
use rustc_middle::mir::{self, Location, TerminatorKind};
use rustc_middle::ty::layout::HasTyCtxt;
use rustc_target::abi::LayoutOf;

pub fn non_ssa_locals<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>(
    fx: &FunctionCx<'a, 'tcx, Bx>,
) -> BitSet<mir::Local> {
    let mir = fx.mir;
    let mut analyzer = LocalAnalyzer::new(fx);

    for (bb, data) in mir.basic_blocks().iter_enumerated() {<commit_msg>Auto merge of #85741 - tmiasko:ssa, r=nagisa<commit_after>//! An analysis to determine which locals require allocas and
//! which do not.

use super::FunctionCx;
use crate::traits::*;
use rustc_data_structures::graph::dominators::Dominators;
use rustc_index::bit_set::BitSet;
use rustc_index::vec::{Idx, IndexVec};
use rustc_middle::mir::traversal;
use rustc_middle::mir::visit::{MutatingUseContext, NonMutatingUseContext, PlaceContext, Visitor};
use rustc_middle::mir::{self, Location, TerminatorKind};
use rustc_middle::ty::layout::HasTyCtxt;
use rustc_target::abi::LayoutOf;

pub fn non_ssa_locals<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>(
    fx: &FunctionCx<'a, 'tcx, Bx>,
) -> BitSet<mir::Local> {
    let mir = fx.mir;
    let mut analyzer = LocalAnalyzer::new(fx);

    // If there exists a local definition that dominates all uses of that local,
    // the definition should be visited first. Traverse blocks in preorder which
    // is a topological sort of dominance partial order.
    for (bb, data) in traversal::preorder(&mir) {
{'fraction_non_alphanumeric': 0.14378730330982095, 'fraction_numerical': 0.0027129679869777536, 'mean_word_length': 6.231372549019608, 'pattern_counts': {'":': 0, '<': 11, '<?xml version=': 0, '>': 13, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '6977692', 'n_tokens_mistral': 634, 'n_tokens_neox': 625, 'n_words': 163}