1 use super::BackendTypes;
2 use crate::mir::operand::OperandRef;
3 use rustc_middle::ty::{self, Ty};
5 use rustc_target::abi::call::FnAbi;
7 pub trait IntrinsicCallMethods<'tcx>: BackendTypes {
8 /// Remember to add all intrinsics here, in `compiler/rustc_typeck/src/check/mod.rs`,
9 /// and in `library/core/src/intrinsics.rs`; if you need access to any LLVM intrinsics,
10 /// add them to `compiler/rustc_codegen_llvm/src/context.rs`.
11 fn codegen_intrinsic_call(
13 instance: ty::Instance<'tcx>,
14 fn_abi: &FnAbi<'tcx, Ty<'tcx>>,
15 args: &[OperandRef<'tcx, Self::Value>],
16 llresult: Self::Value,
21 fn assume(&mut self, val: Self::Value);
22 fn expect(&mut self, cond: Self::Value, expected: bool) -> Self::Value;
23 /// Emits a forced side effect.
25 /// Currently has any effect only when LLVM versions prior to 12.0 are used as the backend.
26 fn sideeffect(&mut self);
27 /// Trait method used to test whether a given pointer is associated with a type identifier.
28 fn type_test(&mut self, pointer: Self::Value, typeid: Self::Value) -> Self::Value;
29 /// Trait method used to inject `va_start` on the "spoofed" `VaListImpl` in
30 /// Rust defined C-variadic functions.
31 fn va_start(&mut self, val: Self::Value) -> Self::Value;
32 /// Trait method used to inject `va_end` on the "spoofed" `VaListImpl` before
33 /// Rust defined C-variadic functions return.
34 fn va_end(&mut self, val: Self::Value) -> Self::Value;