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Teach llvm backend how to fall back to default bodies

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This commit is contained in:
Oli Scherer 2024-01-31 20:39:59 +00:00
parent 432635a9ea
commit 9a0743747f
11 changed files with 109 additions and 103 deletions
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4
compiler/rustc_codegen_ssa/src/traits/intrinsic.rs
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@ -8,6 +8,8 @@ pub trait IntrinsicCallMethods<'tcx>: BackendTypes {
/// Remember to add all intrinsics here, in `compiler/rustc_hir_analysis/src/check/mod.rs`,
/// and in `library/core/src/intrinsics.rs`; if you need access to any LLVM intrinsics,
/// add them to `compiler/rustc_codegen_llvm/src/context.rs`.
/// Returns `Err` if another instance should be called instead. This is used to invoke
/// intrinsic default bodies in case an intrinsic is not implemented by the backend.
fn codegen_intrinsic_call(
&mut self,
instance: ty::Instance<'tcx>,
@ -15,7 +17,7 @@ pub trait IntrinsicCallMethods<'tcx>: BackendTypes {
args: &[OperandRef<'tcx, Self::Value>],
llresult: Self::Value,
span: Span,
);
) -> Result<(), ty::Instance<'tcx>>;
fn abort(&mut self);
fn assume(&mut self, val: Self::Value);