RustWrapper: adapt for an LLVM API change

No functional changes intended.

The LLVM commit
llvm/llvm-project@ec501f1
removed the signed version of `createExpression`. This adapts the Rust
LLVM wrappers accordingly.

Author: krasimirgg

Diff for: compiler/rustc_codegen_llvm/src/debuginfo/mod.rs

@@ -160,17 +160,17 @@ impl<'ll> DebugInfoBuilderMethods for Builder<'_, 'll, '_> {
         // the values should match the ones in the DWARF standard anyway.
         let op_deref = || unsafe { llvm::LLVMRustDIBuilderCreateOpDeref() };
         let op_plus_uconst = || unsafe { llvm::LLVMRustDIBuilderCreateOpPlusUconst() };
-        let mut addr_ops = SmallVec::<[_; 8]>::new();
+        let mut addr_ops = SmallVec::<[u64; 8]>::new();
 
         if direct_offset.bytes() > 0 {
             addr_ops.push(op_plus_uconst());
-            addr_ops.push(direct_offset.bytes() as i64);
+            addr_ops.push(direct_offset.bytes() as u64);
         }
         for &offset in indirect_offsets {
             addr_ops.push(op_deref());
             if offset.bytes() > 0 {
                 addr_ops.push(op_plus_uconst());
-                addr_ops.push(offset.bytes() as i64);
+                addr_ops.push(offset.bytes() as u64);
             }
         }
 

Diff for: compiler/rustc_codegen_llvm/src/llvm/ffi.rs

@@ -2108,7 +2108,7 @@ extern "C" {
         Builder: &DIBuilder<'a>,
         Val: &'a Value,
         VarInfo: &'a DIVariable,
-        AddrOps: *const i64,
+        AddrOps: *const u64,
         AddrOpsCount: c_uint,
         DL: &'a DILocation,
         InsertAtEnd: &'a BasicBlock,
@@ -2199,8 +2199,8 @@ extern "C" {
         Scope: &'a DIScope,
         InlinedAt: Option<&'a DILocation>,
     ) -> &'a DILocation;
-    pub fn LLVMRustDIBuilderCreateOpDeref() -> i64;
-    pub fn LLVMRustDIBuilderCreateOpPlusUconst() -> i64;
+    pub fn LLVMRustDIBuilderCreateOpDeref() -> u64;
+    pub fn LLVMRustDIBuilderCreateOpPlusUconst() -> u64;
 
     #[allow(improper_ctypes)]
     pub fn LLVMRustWriteTypeToString(Type: &Type, s: &RustString);

Diff for: compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp

@@ -979,11 +979,11 @@ LLVMRustDIBuilderGetOrCreateArray(LLVMRustDIBuilderRef Builder,
 
 extern "C" LLVMValueRef LLVMRustDIBuilderInsertDeclareAtEnd(
     LLVMRustDIBuilderRef Builder, LLVMValueRef V, LLVMMetadataRef VarInfo,
-    int64_t *AddrOps, unsigned AddrOpsCount, LLVMMetadataRef DL,
+    uint64_t *AddrOps, unsigned AddrOpsCount, LLVMMetadataRef DL,
     LLVMBasicBlockRef InsertAtEnd) {
   return wrap(Builder->insertDeclare(
       unwrap(V), unwrap<DILocalVariable>(VarInfo),
-      Builder->createExpression(llvm::ArrayRef<int64_t>(AddrOps, AddrOpsCount)),
+      Builder->createExpression(llvm::ArrayRef<uint64_t>(AddrOps, AddrOpsCount)),
       DebugLoc(cast<MDNode>(unwrap(DL))),
       unwrap(InsertAtEnd)));
 }
@@ -1057,11 +1057,11 @@ LLVMRustDIBuilderCreateDebugLocation(unsigned Line, unsigned Column,
   return wrap(Loc);
 }
 
-extern "C" int64_t LLVMRustDIBuilderCreateOpDeref() {
+extern "C" uint64_t LLVMRustDIBuilderCreateOpDeref() {
   return dwarf::DW_OP_deref;
 }
 
-extern "C" int64_t LLVMRustDIBuilderCreateOpPlusUconst() {
+extern "C" uint64_t LLVMRustDIBuilderCreateOpPlusUconst() {
   return dwarf::DW_OP_plus_uconst;
 }