From c7e50d0f377b2cbc5a9f5706992121301ce44533 Mon Sep 17 00:00:00 2001
From: Quinn Okabayashi <quinnokabayashi@gmail.com>
Date: Wed, 12 Nov 2025 15:46:08 +0000
Subject: [PATCH] Remove unused LLVMModuleRef argument

---
 compiler/rustc_codegen_llvm/src/back/write.rs    | 2 +-
 compiler/rustc_codegen_llvm/src/llvm/ffi.rs      | 2 +-
 compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp | 4 +---
 3 files changed, 3 insertions(+), 5 deletions(-)

diff --git a/compiler/rustc_codegen_llvm/src/back/write.rs b/compiler/rustc_codegen_llvm/src/back/write.rs
index c55fe3fad008a..fde7dd6ef7a85 100644
--- a/compiler/rustc_codegen_llvm/src/back/write.rs
+++ b/compiler/rustc_codegen_llvm/src/back/write.rs
@@ -683,7 +683,7 @@ pub(crate) unsafe fn llvm_optimize(
         // Here we map the old arguments to the new arguments, with an offset of 1 to make sure
         // that we don't use the newly added `%dyn_ptr`.
         unsafe {
-            llvm::LLVMRustOffloadMapper(cx.llmod(), old_fn, new_fn);
+            llvm::LLVMRustOffloadMapper(old_fn, new_fn);
         }
 
         llvm::set_linkage(new_fn, llvm::get_linkage(old_fn));
diff --git a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
index 16549f9aab81a..ca64d96c2a33c 100644
--- a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
+++ b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
@@ -2025,7 +2025,7 @@ unsafe extern "C" {
     ) -> &Attribute;
 
     // Operations on functions
-    pub(crate) fn LLVMRustOffloadMapper<'a>(M: &'a Module, Fn: &'a Value, Fn: &'a Value);
+    pub(crate) fn LLVMRustOffloadMapper<'a>(Fn: &'a Value, Fn: &'a Value);
     pub(crate) fn LLVMRustGetOrInsertFunction<'a>(
         M: &'a Module,
         Name: *const c_char,
diff --git a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
index eab65f92e2935..8823c83922822 100644
--- a/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
+++ b/compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp
@@ -144,9 +144,7 @@ extern "C" void LLVMRustPrintStatistics(RustStringRef OutBuf) {
   llvm::PrintStatistics(OS);
 }
 
-extern "C" void LLVMRustOffloadMapper(LLVMModuleRef M, LLVMValueRef OldFn,
-                                      LLVMValueRef NewFn) {
-  llvm::Module *module = llvm::unwrap(M);
+extern "C" void LLVMRustOffloadMapper(LLVMValueRef OldFn, LLVMValueRef NewFn) {
   llvm::Function *oldFn = llvm::unwrap<llvm::Function>(OldFn);
   llvm::Function *newFn = llvm::unwrap<llvm::Function>(NewFn);