From 6da2d6e026e73c0e83fadc223a72b805af772159 Mon Sep 17 00:00:00 2001
From: Luv-Ray <zhuoxun.yang777@outlook.com>
Date: Thu, 19 Sep 2024 18:56:02 +0800
Subject: [PATCH] MetadataType type cast

---
 compiler/rustc_codegen_llvm/src/builder.rs | 15 +++++++--------
 compiler/rustc_codegen_llvm/src/context.rs |  6 +++---
 2 files changed, 10 insertions(+), 11 deletions(-)

diff --git a/compiler/rustc_codegen_llvm/src/builder.rs b/compiler/rustc_codegen_llvm/src/builder.rs
index 70d81c6c5a8..cdca56b4201 100644
--- a/compiler/rustc_codegen_llvm/src/builder.rs
+++ b/compiler/rustc_codegen_llvm/src/builder.rs
@@ -682,16 +682,15 @@ fn range_metadata(&mut self, load: &'ll Value, range: WrappingRange) {
                 llvm::LLVMValueAsMetadata(self.cx.const_uint_big(llty, range.start)),
                 llvm::LLVMValueAsMetadata(self.cx.const_uint_big(llty, range.end.wrapping_add(1))),
             ];
-
             let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, md.as_ptr(), md.len());
-            self.set_metadata(load, llvm::MD_range as c_uint, md);
+            self.set_metadata(load, llvm::MD_range, md);
         }
     }
 
     fn nonnull_metadata(&mut self, load: &'ll Value) {
         unsafe {
             let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, ptr::null(), 0);
-            self.set_metadata(load, llvm::MD_nonnull as c_uint, md);
+            self.set_metadata(load, llvm::MD_nonnull, md);
         }
     }
 
@@ -741,7 +740,7 @@ fn store_with_flags(
                     // [1]: https://llvm.org/docs/LangRef.html#store-instruction
                     let one = llvm::LLVMValueAsMetadata(self.cx.const_i32(1));
                     let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, &one, 1);
-                    self.set_metadata(store, llvm::MD_nontemporal as c_uint, md);
+                    self.set_metadata(store, llvm::MD_nontemporal, md);
                 }
             }
             store
@@ -1206,7 +1205,7 @@ fn atomic_fence(
     fn set_invariant_load(&mut self, load: &'ll Value) {
         unsafe {
             let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, ptr::null(), 0);
-            self.set_metadata(load, llvm::MD_invariant_load as c_uint, md);
+            self.set_metadata(load, llvm::MD_invariant_load, md);
         }
     }
 
@@ -1337,21 +1336,21 @@ fn align_metadata(&mut self, load: &'ll Value, align: Align) {
         unsafe {
             let md = [llvm::LLVMValueAsMetadata(self.cx.const_u64(align.bytes()))];
             let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, md.as_ptr(), md.len());
-            self.set_metadata(load, llvm::MD_align as c_uint, md);
+            self.set_metadata(load, llvm::MD_align, md);
         }
     }
 
     fn noundef_metadata(&mut self, load: &'ll Value) {
         unsafe {
             let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, ptr::null(), 0);
-            self.set_metadata(load, llvm::MD_noundef as c_uint, md);
+            self.set_metadata(load, llvm::MD_noundef, md);
         }
     }
 
     pub(crate) fn set_unpredictable(&mut self, inst: &'ll Value) {
         unsafe {
             let md = llvm::LLVMMDNodeInContext2(self.cx.llcx, ptr::null(), 0);
-            self.set_metadata(inst, llvm::MD_unpredictable as c_uint, md);
+            self.set_metadata(inst, llvm::MD_unpredictable, md);
         }
     }
 
diff --git a/compiler/rustc_codegen_llvm/src/context.rs b/compiler/rustc_codegen_llvm/src/context.rs
index 9817407fcd1..05ad98e0560 100644
--- a/compiler/rustc_codegen_llvm/src/context.rs
+++ b/compiler/rustc_codegen_llvm/src/context.rs
@@ -30,7 +30,7 @@
 use crate::back::write::to_llvm_code_model;
 use crate::callee::get_fn;
 use crate::debuginfo::metadata::apply_vcall_visibility_metadata;
-use crate::llvm::Metadata;
+use crate::llvm::{Metadata, MetadataType};
 use crate::type_::Type;
 use crate::value::Value;
 use crate::{attributes, coverageinfo, debuginfo, llvm, llvm_util};
@@ -1120,10 +1120,10 @@ pub(crate) fn generate_local_symbol_name(&self, prefix: &str) -> String {
     }
 
     /// A wrapper for [`llvm::LLVMSetMetadata`], but it takes `Metadata` as a parameter instead of `Value`.
-    pub(crate) fn set_metadata<'a>(&self, val: &'a Value, kind_id: c_uint, md: &'a Metadata) {
+    pub(crate) fn set_metadata<'a>(&self, val: &'a Value, kind_id: MetadataType, md: &'a Metadata) {
         unsafe {
             let node = llvm::LLVMMetadataAsValue(&self.llcx, md);
-            llvm::LLVMSetMetadata(val, kind_id, node);
+            llvm::LLVMSetMetadata(val, kind_id as c_uint, node);
         }
     }
 }