Auto merge of #146879 - Zalathar:rollup-vm97j8b, r=Zalathar

Rollup of 9 pull requests

Successful merges:

 - rust-lang/rust#145411 (regression test for Cow<[u8]> layout)
 - rust-lang/rust#146397 (std_detect on Darwin AArch64: update features)
 - rust-lang/rust#146791 (emit attribute for readonly non-pure inline assembly)
 - rust-lang/rust#146831 (Support ctr and lr as clobber-only registers in PowerPC inline assembly)
 - rust-lang/rust#146838 (Introduce "wrapper" helpers to rustdoc)
 - rust-lang/rust#146845 (Add self-profile events for target-machine creation)
 - rust-lang/rust#146846 (btree InternalNode::new safety comments)
 - rust-lang/rust#146858 (Make mips64el-unknown-linux-muslabi64 link dynamically)
 - rust-lang/rust#146878 (assert_unsafe_precondition: fix some incorrect check_language_ub)

r? `@ghost`
`@rustbot` modify labels: rollup

1 files changed, 5 insertions, 0 deletions

diff --git a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
index 64151962321..414274f24fb 100644
--- a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
+++ b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
@@ -553,6 +553,7 @@ enum class LLVMRustMemoryEffects {
   None,
   ReadOnly,
   InaccessibleMemOnly,
+  ReadOnlyNotPure,
 };
 
 extern "C" LLVMAttributeRef
@@ -568,6 +569,10 @@ LLVMRustCreateMemoryEffectsAttr(LLVMContextRef C,
   case LLVMRustMemoryEffects::InaccessibleMemOnly:
     return wrap(Attribute::getWithMemoryEffects(
         *unwrap(C), MemoryEffects::inaccessibleMemOnly()));
+  case LLVMRustMemoryEffects::ReadOnlyNotPure:
+    return wrap(Attribute::getWithMemoryEffects(
+        *unwrap(C),
+        MemoryEffects::readOnly() | MemoryEffects::inaccessibleMemOnly()));
   default:
     report_fatal_error("bad MemoryEffects.");
   }