From 664e83b3e76b51fb5192e74a64eef3bc5bbd4e32 Mon Sep 17 00:00:00 2001
From: Karan Janthe <karanjanthe@gmail.com>
Date: Sat, 23 Aug 2025 23:10:48 +0000
Subject: added typetree support for memcpy

---
 compiler/rustc_codegen_gcc/src/builder.rs       | 1 +
 compiler/rustc_codegen_gcc/src/intrinsic/mod.rs | 1 +
 2 files changed, 2 insertions(+)

(limited to 'compiler/rustc_codegen_gcc/src')

diff --git a/compiler/rustc_codegen_gcc/src/builder.rs b/compiler/rustc_codegen_gcc/src/builder.rs
index f7a7a3f8c7e..5657620879c 100644
--- a/compiler/rustc_codegen_gcc/src/builder.rs
+++ b/compiler/rustc_codegen_gcc/src/builder.rs
@@ -1383,6 +1383,7 @@ impl<'a, 'gcc, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'gcc, 'tcx> {
         _src_align: Align,
         size: RValue<'gcc>,
         flags: MemFlags,
+        _tt: Option<rustc_ast::expand::typetree::FncTree>, // Autodiff TypeTrees are LLVM-only, ignored in GCC backend
     ) {
         assert!(!flags.contains(MemFlags::NONTEMPORAL), "non-temporal memcpy not supported");
         let size = self.intcast(size, self.type_size_t(), false);
diff --git a/compiler/rustc_codegen_gcc/src/intrinsic/mod.rs b/compiler/rustc_codegen_gcc/src/intrinsic/mod.rs
index 84fa56cf903..3b897a19835 100644
--- a/compiler/rustc_codegen_gcc/src/intrinsic/mod.rs
+++ b/compiler/rustc_codegen_gcc/src/intrinsic/mod.rs
@@ -771,6 +771,7 @@ impl<'gcc, 'tcx> ArgAbiExt<'gcc, 'tcx> for ArgAbi<'tcx, Ty<'tcx>> {
                     scratch_align,
                     bx.const_usize(self.layout.size.bytes()),
                     MemFlags::empty(),
+                    None,
                 );
 
                 bx.lifetime_end(scratch, scratch_size);
-- 
cgit 1.4.1-3-g733a5