bjoernager/rust
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A MIR transform that checks pointers are aligned

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This commit is contained in:
Ben Kimock 2022-11-10 11:37:28 -05:00
parent e216300876
commit 8ccf53332e
34 changed files with 360 additions and 20 deletions
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12
compiler/rustc_codegen_cranelift/src/base.rs
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@ -379,6 +379,18 @@ fn codegen_fn_body(fx: &mut FunctionCx<'_, '_, '_>, start_block: Block) {
source_info.span,
);
}
AssertKind::MisalignedPointerDereference { ref required, ref found } => {
let required = codegen_operand(fx, required).load_scalar(fx);
let found = codegen_operand(fx, found).load_scalar(fx);
let location = fx.get_caller_location(source_info).load_scalar(fx);
codegen_panic_inner(
fx,
rustc_hir::LangItem::PanicBoundsCheck,
&[required, found, location],
source_info.span,
);
}
_ => {
let msg_str = msg.description();
codegen_panic(fx, msg_str, source_info);