306259c645
This follows what clang does in CoverageMappingGen. Using just llvm.compiler.used is insufficient at least for MSVC targets.
26 lines
1.2 KiB
Rust
26 lines
1.2 KiB
Rust
use super::BackendTypes;
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use rustc_data_structures::fx::FxHashMap;
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use rustc_middle::mir::mono::CodegenUnit;
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use rustc_middle::ty::{self, Instance, Ty};
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use rustc_session::Session;
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use std::cell::RefCell;
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pub trait MiscMethods<'tcx>: BackendTypes {
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fn vtables(
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&self,
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) -> &RefCell<FxHashMap<(Ty<'tcx>, Option<ty::PolyExistentialTraitRef<'tcx>>), Self::Value>>;
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fn check_overflow(&self) -> bool;
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fn get_fn(&self, instance: Instance<'tcx>) -> Self::Function;
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fn get_fn_addr(&self, instance: Instance<'tcx>) -> Self::Value;
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fn eh_personality(&self) -> Self::Value;
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fn sess(&self) -> &Session;
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fn codegen_unit(&self) -> &'tcx CodegenUnit<'tcx>;
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fn used_statics(&self) -> &RefCell<Vec<Self::Value>>;
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fn compiler_used_statics(&self) -> &RefCell<Vec<Self::Value>>;
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fn set_frame_pointer_type(&self, llfn: Self::Function);
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fn apply_target_cpu_attr(&self, llfn: Self::Function);
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fn create_used_variable(&self);
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fn create_compiler_used_variable(&self);
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/// Declares the extern "C" main function for the entry point. Returns None if the symbol already exists.
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fn declare_c_main(&self, fn_type: Self::Type) -> Option<Self::Function>;
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}
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