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Auto merge of rust-lang#124299 - clubby789:106269-test, r=nikic
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Add test for issue 106269

Closes rust-lang#106269

Made this an assembly test as the LLVM codegen is still quite verbose and doesn't really indicate the behaviour we want
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bors committed Apr 29, 2024
2 parents 5fe8b69 + 11b0e9a commit c016833
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22 changes: 22 additions & 0 deletions tests/assembly/manual-eq-efficient.rs
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// Regression test for #106269
//@ assembly-output: emit-asm
//@ compile-flags: --crate-type=lib -O -C llvm-args=-x86-asm-syntax=intel
//@ only-x86_64
//@ ignore-sgx

pub struct S {
a: u8,
b: u8,
c: u8,
d: u8,
}

// CHECK-LABEL: manual_eq:
#[no_mangle]
pub fn manual_eq(s1: &S, s2: &S) -> bool {
// CHECK: mov [[REG:[a-z0-9]+]], dword ptr [{{[a-z0-9]+}}]
// CHECK-NEXT: cmp [[REG]], dword ptr [{{[a-z0-9]+}}]
// CHECK-NEXT: sete al
// CHECK-NEXT: ret
s1.a == s2.a && s1.b == s2.b && s1.c == s2.c && s1.d == s2.d
}

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