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Rollup merge of #118147 - Nilstrieb:no-redundant-casts, r=WaffleLapkin

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Fix some unnecessary casts

`x clippy compiler -Aclippy::all -Wclippy::unnecessary_cast --fix` with some manual review to ensure every fix is correct.
This commit is contained in:
Michael Goulet 2023-11-22 09:28:51 -08:00 • committed by GitHub
commit 040151a4be
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10 changed files with 18 additions and 30 deletions
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12
compiler/rustc_codegen_ssa/src/mir/place.rs
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@ -474,27 +474,25 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
cg_base.project_index(bx, llindex)
}
mir::ProjectionElem::ConstantIndex { offset, from_end: false, min_length: _ } => {
let lloffset = bx.cx().const_usize(offset as u64);
let lloffset = bx.cx().const_usize(offset);
cg_base.project_index(bx, lloffset)
}
mir::ProjectionElem::ConstantIndex { offset, from_end: true, min_length: _ } => {
let lloffset = bx.cx().const_usize(offset as u64);
let lloffset = bx.cx().const_usize(offset);
let lllen = cg_base.len(bx.cx());
let llindex = bx.sub(lllen, lloffset);
cg_base.project_index(bx, llindex)
}
mir::ProjectionElem::Subslice { from, to, from_end } => {
let mut subslice = cg_base.project_index(bx, bx.cx().const_usize(from as u64));
let mut subslice = cg_base.project_index(bx, bx.cx().const_usize(from));
let projected_ty =
PlaceTy::from_ty(cg_base.layout.ty).projection_ty(tcx, *elem).ty;
subslice.layout = bx.cx().layout_of(self.monomorphize(projected_ty));
if subslice.layout.is_unsized() {
assert!(from_end, "slice subslices should be `from_end`");
subslice.llextra = Some(bx.sub(
cg_base.llextra.unwrap(),
bx.cx().const_usize((from as u64) + (to as u64)),
));
subslice.llextra =
Some(bx.sub(cg_base.llextra.unwrap(), bx.cx().const_usize(from + to)));
}
subslice