1 files changed, 10 insertions, 1 deletions
diff --git a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
index 42cb694c0e7..e2d0390821d 100644
--- a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
+++ b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
@@ -183,7 +183,6 @@ pub enum AttributeKind {
     OptimizeNone = 24,
     ReturnsTwice = 25,
     ReadNone = 26,
-    InaccessibleMemOnly = 27,
     SanitizeHWAddress = 28,
     WillReturn = 29,
     StackProtectReq = 30,
@@ -590,6 +589,15 @@ pub enum ChecksumKind {
     SHA256,
 }
 
+/// LLVMRustMemoryEffects
+#[derive(Copy, Clone)]
+#[repr(C)]
+pub enum MemoryEffects {
+    None,
+    ReadOnly,
+    InaccessibleMemOnly,
+}
+
 extern "C" {
     type Opaque;
 }
@@ -1175,6 +1183,7 @@ extern "C" {
     pub fn LLVMRustCreateUWTableAttr(C: &Context, async_: bool) -> &Attribute;
     pub fn LLVMRustCreateAllocSizeAttr(C: &Context, size_arg: u32) -> &Attribute;
     pub fn LLVMRustCreateAllocKindAttr(C: &Context, size_arg: u64) -> &Attribute;
+    pub fn LLVMRustCreateMemoryEffectsAttr(C: &Context, effects: MemoryEffects) -> &Attribute;
 
     // Operations on functions
     pub fn LLVMRustGetOrInsertFunction<'a>(