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Add a new debug_assertions instrinsic (compiler)

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And in clippy
This commit is contained in:
Ben Kimock 2024-02-07 10:26:00 -05:00
parent 55fabf35b1
commit 8836ac5758
18 changed files with 72 additions and 13 deletions
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1
compiler/rustc_mir_transform/src/const_prop_lint.rs
View file

@ -639,6 +639,7 @@ impl<'mir, 'tcx> ConstPropagator<'mir, 'tcx> {
NullOp::OffsetOf(fields) => {
op_layout.offset_of_subfield(self, fields.iter()).bytes()
}
NullOp::DebugAssertions => return None,
};
ImmTy::from_scalar(Scalar::from_target_usize(val, self), layout).into()
}

1
compiler/rustc_mir_transform/src/gvn.rs
View file

@ -489,6 +489,7 @@ impl<'body, 'tcx> VnState<'body, 'tcx> {
NullOp::OffsetOf(fields) => {
layout.offset_of_subfield(&self.ecx, fields.iter()).bytes()
}
NullOp::DebugAssertions => return None,
};
let usize_layout = self.ecx.layout_of(self.tcx.types.usize).unwrap();
let imm = ImmTy::try_from_uint(val, usize_layout)?;

11
compiler/rustc_mir_transform/src/lower_intrinsics.rs
View file

@ -21,6 +21,17 @@ impl<'tcx> MirPass<'tcx> for LowerIntrinsics {
sym::unreachable => {
terminator.kind = TerminatorKind::Unreachable;
}
sym::debug_assertions => {
let target = target.unwrap();
block.statements.push(Statement {
source_info: terminator.source_info,
kind: StatementKind::Assign(Box::new((
*destination,
Rvalue::NullaryOp(NullOp::DebugAssertions, tcx.types.bool),
))),
});
terminator.kind = TerminatorKind::Goto { target };
}
sym::forget => {
if let Some(target) = *target {
block.statements.push(Statement {

1
compiler/rustc_mir_transform/src/promote_consts.rs
View file

@ -446,6 +446,7 @@ impl<'tcx> Validator<'_, 'tcx> {
NullOp::SizeOf => {}
NullOp::AlignOf => {}
NullOp::OffsetOf(_) => {}
NullOp::DebugAssertions => {}
},
Rvalue::ShallowInitBox(_, _) => return Err(Unpromotable),