Auto merge of #155645 - dianqk:update-llvm, r=nikic

Update LLVM to 22.1.4

Unlocks #155249.

I made a new branch that removes CI checks for macOS and reverts rust-lang/llvm-project@24b53fb.

Author: bors

.gitmodules

@@ -25,7 +25,7 @@
 [submodule "src/llvm-project"]
 	path = src/llvm-project
 	url = https://github.com/rust-lang/llvm-project.git
-	branch = rustc/22.1-2026-01-27
+	branch = rustc/22.1-2026-03-22
 	shallow = true
 [submodule "src/doc/embedded-book"]
 	path = src/doc/embedded-book

src/llvm-project

@@ -36,11 +36,11 @@
 //@ revisions: loongarch32
 //@[loongarch32] compile-flags: --target loongarch32-unknown-none
 //@[loongarch32] needs-llvm-components: loongarch
-//@[loongarch32] ignore-llvm-version: 23
+//@[loongarch32] ignore-llvm-version: 22 - 23
 //@ revisions: loongarch64
 //@[loongarch64] compile-flags: --target loongarch64-unknown-linux-gnu
 //@[loongarch64] needs-llvm-components: loongarch
-//@[loongarch64] ignore-llvm-version: 23
+//@[loongarch64] ignore-llvm-version: 22 - 23
 //@ revisions: bpf
 //@[bpf] compile-flags: --target bpfeb-unknown-none
 //@[bpf] needs-llvm-components: bpf

tests/ui/explicit-tail-calls/support/bystack.rs

@@ -36,11 +36,11 @@
 //@ revisions: loongarch32
 //@[loongarch32] compile-flags: --target loongarch32-unknown-none
 //@[loongarch32] needs-llvm-components: loongarch
-//@[loongarch32] ignore-llvm-version: 23
+//@[loongarch32] ignore-llvm-version: 22 - 23
 //@ revisions: loongarch64
 //@[loongarch64] compile-flags: --target loongarch64-unknown-linux-gnu
 //@[loongarch64] needs-llvm-components: loongarch
-//@[loongarch64] ignore-llvm-version: 23
+//@[loongarch64] ignore-llvm-version: 22 - 23
 //@ revisions: bpf
 //@[bpf] compile-flags: --target bpfeb-unknown-none
 //@[bpf] needs-llvm-components: bpf