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Adapt cg_clif.

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This commit is contained in:
Camille GILLOT 2023-02-15 18:46:56 +00:00
parent 8fe8e53300
commit 39068eb1cc
1 changed files with 7 additions and 10 deletions
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17
src/base.rs
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@ -347,7 +347,12 @@ fn codegen_fn_body(fx: &mut FunctionCx<'_, '_, '_>, start_block: Block) {
}
TerminatorKind::Assert { cond, expected, msg, target, cleanup: _ } => {
if !fx.tcx.sess.overflow_checks() {
if let mir::AssertKind::OverflowNeg(_) = *msg {
let overflow_not_to_check = match msg {
AssertKind::OverflowNeg(..) => true,
AssertKind::Overflow(op, ..) => op.is_checkable(),
_ => false,
};
if overflow_not_to_check {
let target = fx.get_block(*target);
fx.bcx.ins().jump(target, &[]);
continue;
@ -567,15 +572,7 @@ fn codegen_stmt<'tcx>(
let lhs = codegen_operand(fx, &lhs_rhs.0);
let rhs = codegen_operand(fx, &lhs_rhs.1);
let res = if !fx.tcx.sess.overflow_checks() {
let val =
crate::num::codegen_int_binop(fx, bin_op, lhs, rhs).load_scalar(fx);
let is_overflow = fx.bcx.ins().iconst(types::I8, 0);
CValue::by_val_pair(val, is_overflow, lval.layout())
} else {
crate::num::codegen_checked_int_binop(fx, bin_op, lhs, rhs)
};
let res = crate::num::codegen_checked_int_binop(fx, bin_op, lhs, rhs);
lval.write_cvalue(fx, res);
}
Rvalue::UnaryOp(un_op, ref operand) => {