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| author | 许杰友 Jieyou Xu (Joe) <39484203+jieyouxu@users.noreply.github.com> | 2024-04-30 19:29:51 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-04-30 19:29:51 +0100 |
| commit | 4b6c1918ee13d5e1f7f24037eb6f21dbd95fce08 (patch) | |
| tree | 1e3f9b27fc0d71a1ccc18fb71c0906dbca2a7712 /tests/assembly | |
| parent | ce18639b924554f407099a5b61b698eaf8f64b33 (diff) | |
| parent | 7032c92b33c978c6a7c24ecca2e02ca27af23147 (diff) | |
| download | rust-4b6c1918ee13d5e1f7f24037eb6f21dbd95fce08.tar.gz rust-4b6c1918ee13d5e1f7f24037eb6f21dbd95fce08.zip | |
Rollup merge of #124299 - clubby789:106269-test, r=nikic
Add test for issue 106269 Closes #106269 Made this an assembly test as the LLVM codegen is still quite verbose and doesn't really indicate the behaviour we want
Diffstat (limited to 'tests/assembly')
| -rw-r--r-- | tests/assembly/manual-eq-efficient.rs | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/tests/assembly/manual-eq-efficient.rs b/tests/assembly/manual-eq-efficient.rs new file mode 100644 index 00000000000..817ce94f476 --- /dev/null +++ b/tests/assembly/manual-eq-efficient.rs @@ -0,0 +1,22 @@ +// 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: ret + s1.a == s2.a && s1.b == s2.b && s1.c == s2.c && s1.d == s2.d +} |