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Stop backends from needing to support nullary intrinsics

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This commit is contained in:
Oli Scherer
2025-06-21 11:26:27 +00:00
parent f19142044f
commit 672e0bec9e
9 changed files with 67 additions and 86 deletions
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15
compiler/rustc_codegen_cranelift/src/intrinsics/mod.rs
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@@ -812,21 +812,6 @@ fn codegen_regular_intrinsic_call<'tcx>(
dest.write_cvalue(fx, val);
}
sym::needs_drop | sym::type_id | sym::type_name | sym::variant_count => {
intrinsic_args!(fx, args => (); intrinsic);
let const_val = fx
.tcx
.const_eval_instance(
ty::TypingEnv::fully_monomorphized(),
instance,
source_info.span,
)
.unwrap();
let val = crate::constant::codegen_const_value(fx, const_val, ret.layout().ty);
ret.write_cvalue(fx, val);
}
sym::ptr_offset_from | sym::ptr_offset_from_unsigned => {
intrinsic_args!(fx, args => (ptr, base); intrinsic);
let ptr = ptr.load_scalar(fx);