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Rollup merge of rust-lang#123474 - jieyouxu:issue-7349-port, r=Mark-S…
…imulacrum Port `run-make/issue-7349` to a codegen test The test does not need to be a run-make test, it can use the codegen test infrastructure. Also took the opportunity to rename the test to `no-redundant-item-monomorphization` so it's not just some opaque issue number. Part of rust-lang#121876.
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// Test to make sure that inner functions within a polymorphic outer function | ||
// don't get re-codegened when the outer function is monomorphized. The test | ||
// code monomorphizes the outer functions several times, but the magic constants | ||
// used in the inner functions should each appear only once in the generated IR. | ||
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// issue: rust-lang/rust#7349 | ||
//@ compile-flags: -Cno-prepopulate-passes -Copt-level=0 | ||
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// CHECK-COUNT-1: ret i32 8675309 | ||
// CHECK-COUNT-1: ret i32 11235813 | ||
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fn outer<T>() { | ||
#[allow(dead_code)] | ||
fn inner() -> u32 { | ||
8675309 | ||
} | ||
inner(); | ||
} | ||
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extern "C" fn outer_foreign<T>() { | ||
#[allow(dead_code)] | ||
fn inner() -> u32 { | ||
11235813 | ||
} | ||
inner(); | ||
} | ||
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fn main() { | ||
outer::<isize>(); | ||
outer::<usize>(); | ||
outer_foreign::<isize>(); | ||
outer_foreign::<usize>(); | ||
} |
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