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Auto merge of #142879 - Mark-Simulacrum:opt-cleanup, r=WaffleLapkin

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Remove dead instructions in terminate blocks

Terminate blocks look pretty in the IR I've looked at, so no actual perf delta from this. But it seems reasonable to note produce unused IR.
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bors
2025-06-25 17:33:39 +00:00
parent 8cf5fad73d a46ef2d01e
commit d14d202262
3 changed files with 4 additions and 5 deletions
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3
compiler/rustc_codegen_llvm/src/builder.rs
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@@ -1166,11 +1166,10 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> {
(self.extract_value(landing_pad, 0), self.extract_value(landing_pad, 1))
}
fn filter_landing_pad(&mut self, pers_fn: &'ll Value) -> (&'ll Value, &'ll Value) {
fn filter_landing_pad(&mut self, pers_fn: &'ll Value) {
let ty = self.type_struct(&[self.type_ptr(), self.type_i32()], false);
let landing_pad = self.landing_pad(ty, pers_fn, 1);
self.add_clause(landing_pad, self.const_array(self.type_ptr(), &[]));
(self.extract_value(landing_pad, 0), self.extract_value(landing_pad, 1))
}
fn resume(&mut self, exn0: &'ll Value, exn1: &'ll Value) {