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Add Offset binary op to custom mir

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Andy Wang 2023-04-11 16:23:35 +02:00
parent dfe024e104
commit cecb901e68
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4 changed files with 28 additions and 0 deletions
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5
compiler/rustc_mir_build/src/build/custom/parse/instruction.rs
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@ -148,6 +148,11 @@ impl<'tcx, 'body> ParseCtxt<'tcx, 'body> {
)),
)
},
@call("mir_offset", args) => {
let ptr = self.parse_operand(args[0])?;
let offset = self.parse_operand(args[1])?;
Ok(Rvalue::BinaryOp(BinOp::Offset, Box::new((ptr, offset))))
},
@call("mir_len", args) => Ok(Rvalue::Len(self.parse_place(args[0])?)),
ExprKind::Borrow { borrow_kind, arg } => Ok(
Rvalue::Ref(self.tcx.lifetimes.re_erased, *borrow_kind, self.parse_place(*arg)?)