bjoernager/rust
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Promote unchecked_add/sub/mul/shl/shr to mir::BinOp

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This commit is contained in:
Scott McMurray 2023-06-03 00:41:50 -07:00
parent 8d1fa473dd
commit 39788e07ba
36 changed files with 504 additions and 215 deletions
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12
compiler/rustc_mir_transform/src/lower_intrinsics.rs
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@ -85,8 +85,13 @@ impl<'tcx> MirPass<'tcx> for LowerIntrinsics {
sym::wrapping_add
| sym::wrapping_sub
| sym::wrapping_mul
| sym::unchecked_add
| sym::unchecked_sub
| sym::unchecked_mul
| sym::unchecked_div
| sym::unchecked_rem => {
| sym::unchecked_rem
| sym::unchecked_shl
| sym::unchecked_shr => {
let target = target.unwrap();
let lhs;
let rhs;
@ -99,8 +104,13 @@ impl<'tcx> MirPass<'tcx> for LowerIntrinsics {
sym::wrapping_add => BinOp::Add,
sym::wrapping_sub => BinOp::Sub,
sym::wrapping_mul => BinOp::Mul,
sym::unchecked_add => BinOp::AddUnchecked,
sym::unchecked_sub => BinOp::SubUnchecked,
sym::unchecked_mul => BinOp::MulUnchecked,
sym::unchecked_div => BinOp::Div,
sym::unchecked_rem => BinOp::Rem,
sym::unchecked_shl => BinOp::ShlUnchecked,
sym::unchecked_shr => BinOp::ShrUnchecked,
_ => bug!("unexpected intrinsic"),
};
block.statements.push(Statement {