bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

also ensure that size and alignment are the same

Browse source
This commit is contained in:
Ralf Jung 2023-09-05 09:20:40 +02:00
parent f6ef555823
commit a53c6ee0ba
3 changed files with 161 additions and 6 deletions
Download patch file Download diff file Expand all files Collapse all files

10
compiler/rustc_passes/src/abi_test.rs
View file

@ -119,9 +119,13 @@ fn test_arg_abi_eq<'tcx>(
abi2: &'tcx ArgAbi<'tcx, Ty<'tcx>>,
) -> bool {
// Ideally we'd just compare the `mode`, but that is not enough -- for some modes LLVM will look
// at the type. Comparing the `mode` and `layout.abi` should catch basically everything though
// (except for tricky cases around unized types).
abi1.mode.eq_abi(&abi2.mode) && abi1.layout.abi.eq_up_to_validity(&abi2.layout.abi)
// at the type. Comparing the `mode` and `layout.abi` as well as size and alignment should catch
// basically everything though (except for tricky cases around unized types).
abi1.mode.eq_abi(&abi2.mode)
&& abi1.layout.abi.eq_up_to_validity(&abi2.layout.abi)
&& abi1.layout.size == abi2.layout.size
&& abi1.layout.align.abi == abi2.layout.align.abi
&& abi1.layout.is_sized() == abi2.layout.is_sized()
}
fn test_abi_eq<'tcx>(abi1: &'tcx FnAbi<'tcx, Ty<'tcx>>, abi2: &'tcx FnAbi<'tcx, Ty<'tcx>>) -> bool {