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Simplify cast_shift_expr_rhs.

It's only ever used with shift operators.
This commit is contained in:
Nicholas Nethercote 2022-10-25 14:39:20 +11:00
parent 8c02f4d05d
commit 6cd35ac203
2 changed files with 18 additions and 24 deletions

View file

@ -1,7 +1,6 @@
#![allow(non_camel_case_types)]
use rustc_errors::struct_span_err;
use rustc_hir as hir;
use rustc_hir::LangItem;
use rustc_middle::mir::interpret::ConstValue;
use rustc_middle::ty::{self, layout::TyAndLayout, Ty, TyCtxt};
@ -140,7 +139,7 @@ pub fn build_unchecked_lshift<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>(
lhs: Bx::Value,
rhs: Bx::Value,
) -> Bx::Value {
let rhs = base::cast_shift_expr_rhs(bx, hir::BinOpKind::Shl, lhs, rhs);
let rhs = base::cast_shift_expr_rhs(bx, lhs, rhs);
// #1877, #10183: Ensure that input is always valid
let rhs = shift_mask_rhs(bx, rhs);
bx.shl(lhs, rhs)
@ -152,7 +151,7 @@ pub fn build_unchecked_rshift<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>(
lhs: Bx::Value,
rhs: Bx::Value,
) -> Bx::Value {
let rhs = base::cast_shift_expr_rhs(bx, hir::BinOpKind::Shr, lhs, rhs);
let rhs = base::cast_shift_expr_rhs(bx, lhs, rhs);
// #1877, #10183: Ensure that input is always valid
let rhs = shift_mask_rhs(bx, rhs);
let is_signed = lhs_t.is_signed();