bjoernager/rust
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Remove Rvalue::CheckedBinaryOp

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This commit is contained in:
Scott McMurray 2024-05-16 02:07:31 -07:00
parent 8e78d16804
commit 95c0e5c6a8
59 changed files with 209 additions and 212 deletions
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36
compiler/rustc_codegen_ssa/src/mir/rvalue.rs
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@ -572,6 +572,22 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
}
}
mir::Rvalue::BinaryOp(op_with_overflow, box (ref lhs, ref rhs))
if let Some(op) = op_with_overflow.overflowing_to_wrapping() =>
{
let lhs = self.codegen_operand(bx, lhs);
let rhs = self.codegen_operand(bx, rhs);
let result = self.codegen_scalar_checked_binop(
bx,
op,
lhs.immediate(),
rhs.immediate(),
lhs.layout.ty,
);
let val_ty = op.ty(bx.tcx(), lhs.layout.ty, rhs.layout.ty);
let operand_ty = Ty::new_tup(bx.tcx(), &[val_ty, bx.tcx().types.bool]);
OperandRef { val: result, layout: bx.cx().layout_of(operand_ty) }
}
mir::Rvalue::BinaryOp(op, box (ref lhs, ref rhs)) => {
let lhs = self.codegen_operand(bx, lhs);
let rhs = self.codegen_operand(bx, rhs);
@ -600,20 +616,6 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
layout: bx.cx().layout_of(op.ty(bx.tcx(), lhs.layout.ty, rhs.layout.ty)),
}
}
mir::Rvalue::CheckedBinaryOp(op, box (ref lhs, ref rhs)) => {
let lhs = self.codegen_operand(bx, lhs);
let rhs = self.codegen_operand(bx, rhs);
let result = self.codegen_scalar_checked_binop(
bx,
op,
lhs.immediate(),
rhs.immediate(),
lhs.layout.ty,
);
let val_ty = op.ty(bx.tcx(), lhs.layout.ty, rhs.layout.ty);
let operand_ty = Ty::new_tup(bx.tcx(), &[val_ty, bx.tcx().types.bool]);
OperandRef { val: result, layout: bx.cx().layout_of(operand_ty) }
}
mir::Rvalue::UnaryOp(op, ref operand) => {
let operand = self.codegen_operand(bx, operand);
@ -924,6 +926,11 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
bx.select(is_lt, bx.cx().const_i8(Ordering::Less as i8), ge)
}
}
mir::BinOp::AddWithOverflow
| mir::BinOp::SubWithOverflow
| mir::BinOp::MulWithOverflow => {
bug!("{op:?} needs to return a pair, so call codegen_scalar_checked_binop instead")
}
}
}
@ -1036,7 +1043,6 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
mir::Rvalue::Cast(..) | // (*)
mir::Rvalue::ShallowInitBox(..) | // (*)
mir::Rvalue::BinaryOp(..) |
mir::Rvalue::CheckedBinaryOp(..) |
mir::Rvalue::UnaryOp(..) |
mir::Rvalue::Discriminant(..) |
mir::Rvalue::NullaryOp(..) |