src/librustc_codegen_ssa/traits/intrinsic.rs

   1 use super::BackendTypes;
   2 use crate::mir::operand::OperandRef;
   3 use rustc_middle::ty::{self, Ty};
   4 use rustc_span::Span;
   5 use rustc_target::abi::call::FnAbi;
   6
   7 pub trait IntrinsicCallMethods<'tcx>: BackendTypes {
   8     /// Remember to add all intrinsics here, in librustc_typeck/check/mod.rs,
   9     /// and in libcore/intrinsics.rs; if you need access to any llvm intrinsics,
  10     /// add them to librustc_codegen_llvm/context.rs
  11     fn codegen_intrinsic_call(
  12         &mut self,
  13         instance: ty::Instance<'tcx>,
  14         fn_abi: &FnAbi<'tcx, Ty<'tcx>>,
  15         args: &[OperandRef<'tcx, Self::Value>],
  16         llresult: Self::Value,
  17         span: Span,
  18         caller_instance: ty::Instance<'tcx>,
  19     );
  20
  21     fn abort(&mut self);
  22     fn assume(&mut self, val: Self::Value);
  23     fn expect(&mut self, cond: Self::Value, expected: bool) -> Self::Value;
  24     fn sideeffect(&mut self);
  25     /// Trait method used to inject `va_start` on the "spoofed" `VaListImpl` in
  26     /// Rust defined C-variadic functions.
  27     fn va_start(&mut self, val: Self::Value) -> Self::Value;
  28     /// Trait method used to inject `va_end` on the "spoofed" `VaListImpl` before
  29     /// Rust defined C-variadic functions return.
  30     fn va_end(&mut self, val: Self::Value) -> Self::Value;
  31 }