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- Rewrite extern C fn sigs to Rust ABI to satisfy new rustc fn_abi sanity checks. - Handle direct calls represented as ptr<void> by recovering function signature from callee type/fn_abi. - Keep generated SPIR-V target JSON aligned with backend target options and rustc 1.93 schema expectations.
Refresh expected stderr for debug_printf trait-path wording and unwrap_or line mapping changes.
Normalize target-spec JSON before comparing backend-expected vs provided JSON by dropping the is-like-gpu key, which rustc rejects in external target JSON for non-nvptx/amdgcn targets.
LegNeato
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Mar 7, 2026
| _args: &[OperandRef<'tcx, Self::Value>], | ||
| _is_cleanup: bool, | ||
| ) -> Self::Value { | ||
| bug!("LLVM intrinsic call not supported in SPIR-V backend: {instance:?}") |
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I think we want to use this rather than our own home-grown replacements, but didn't want to do it in this PR.
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Requires #542