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Handle asm const similar to inline const

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This commit is contained in:
Gary Guo 2025-02-26 16:28:37 +00:00
parent 6e4adbed76
commit f482460f92
11 changed files with 95 additions and 68 deletions
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18
compiler/rustc_mir_build/src/thir/cx/expr.rs
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@ -730,12 +730,20 @@ impl<'tcx> ThirBuildCx<'tcx> {
}
}
hir::InlineAsmOperand::Const { ref anon_const } => {
let value =
mir::Const::from_unevaluated(tcx, anon_const.def_id.to_def_id())
.instantiate_identity();
let span = tcx.def_span(anon_const.def_id);
let ty = self.typeck_results.node_type(anon_const.hir_id);
let did = anon_const.def_id.to_def_id();
let typeck_root_def_id = tcx.typeck_root_def_id(did);
let parent_args = tcx.erase_regions(GenericArgs::identity_for_item(
tcx,
typeck_root_def_id,
));
let args =
InlineConstArgs::new(tcx, InlineConstArgsParts { parent_args, ty })
.args;
InlineAsmOperand::Const { value, span }
let uneval = mir::UnevaluatedConst::new(did, args);
let value = mir::Const::Unevaluated(uneval, ty);
InlineAsmOperand::Const { value, span: tcx.def_span(did) }
}
hir::InlineAsmOperand::SymFn { expr } => {
InlineAsmOperand::SymFn { value: self.mirror_expr(expr) }