Auto merge of #144219 - GuillaumeGomez:rollup-ha29sql, r=GuillaumeGomez

bors · bors · commit 9dda25f6d3e6 · 2025-07-20T13:52:48.000Z
Rollup of 9 pull requests Successful merges: - rust-lang/rust#143282 (Add `uX::strict_sub_signed`) - rust-lang/rust#143423 (address clippy formatting nits) - rust-lang/rust#143720 (Allow `Rvalue::Repeat` to return true in `rvalue_creates_operand` too) - rust-lang/rust#144011 (bootstrap: Don't trigger an unnecessary LLVM build from check builds) - rust-lang/rust#144112 (bootstrap: Ignore `rust.debuginfo-level-tests` for codegen tests) - rust-lang/rust#144125 (Add new `ignore-backends` and `needs-backends` tests annotations) - rust-lang/rust#144143 (Fix `-Ctarget-feature`s getting ignored after `crt-static`) - rust-lang/rust#144150 (tests: assembly: cstring-merging: Disable GlobalMerge pass) - rust-lang/rust#144190 (Give a message with a span on MIR validation error) r? `@ghost` `@rustbot` modify labels: rollup
diff --git a/src/tests/directives.md b/src/tests/directives.md
@@ -205,6 +205,8 @@ settings:
   on `wasm32-unknown-unknown` target because the target does not support the
   `proc-macro` crate type.
 - `needs-target-std` — ignores if target platform does not have std support.
+- `ignore-backends` — ignores the listed backends, separated by whitespace characters.
+- `needs-backends` — only runs the test if current codegen backend is listed.
 
 The following directives will check LLVM support:
 
