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Introduce `Rvalue::ShallowInitBox`

This commit is contained in:
Gary Guo 2021-09-06 18:33:23 +01:00
parent 208fc4254b
commit 1b34e2d678
1 changed files with 7 additions and 0 deletions
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7
src/base.rs
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@ -701,6 +701,13 @@ fn codegen_stmt<'tcx>(
let len = codegen_array_len(fx, place);
lval.write_cvalue(fx, CValue::by_val(len, usize_layout));
}
Rvalue::ShallowInitBox(ref operand, content_ty) => {
let content_ty = fx.monomorphize(content_ty);
let box_layout = fx.layout_of(fx.tcx.mk_box(content_ty));
let operand = codegen_operand(fx, operand);
let operand = operand.load_scalar(fx);
lval.write_cvalue(fx, CValue::by_val(operand, box_layout));
}
Rvalue::NullaryOp(NullOp::Box, content_ty) => {
let usize_type = fx.clif_type(fx.tcx.types.usize).unwrap();
let content_ty = fx.monomorphize(content_ty);