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-rw-r--r--compiler/rustc_codegen_llvm/src/back/owned_target_machine.rs2
-rw-r--r--compiler/rustc_codegen_llvm/src/back/write.rs4
-rw-r--r--compiler/rustc_codegen_llvm/src/context.rs5
-rw-r--r--compiler/rustc_codegen_llvm/src/llvm/ffi.rs1
4 files changed, 12 insertions, 0 deletions
diff --git a/compiler/rustc_codegen_llvm/src/back/owned_target_machine.rs b/compiler/rustc_codegen_llvm/src/back/owned_target_machine.rs
index dfde4595590..8e82013e94a 100644
--- a/compiler/rustc_codegen_llvm/src/back/owned_target_machine.rs
+++ b/compiler/rustc_codegen_llvm/src/back/owned_target_machine.rs
@@ -39,6 +39,7 @@ impl OwnedTargetMachine {
         debug_info_compression: &CStr,
         use_emulated_tls: bool,
         args_cstr_buff: &[u8],
+        use_wasm_eh: bool,
     ) -> Result<Self, LlvmError<'static>> {
         assert!(args_cstr_buff.len() > 0);
         assert!(
@@ -72,6 +73,7 @@ impl OwnedTargetMachine {
                 use_emulated_tls,
                 args_cstr_buff.as_ptr() as *const c_char,
                 args_cstr_buff.len(),
+                use_wasm_eh,
             )
         };
 
diff --git a/compiler/rustc_codegen_llvm/src/back/write.rs b/compiler/rustc_codegen_llvm/src/back/write.rs
index 68279008c03..6f8fba2a30d 100644
--- a/compiler/rustc_codegen_llvm/src/back/write.rs
+++ b/compiler/rustc_codegen_llvm/src/back/write.rs
@@ -15,6 +15,7 @@ use rustc_codegen_ssa::back::write::{
     BitcodeSection, CodegenContext, EmitObj, ModuleConfig, TargetMachineFactoryConfig,
     TargetMachineFactoryFn,
 };
+use rustc_codegen_ssa::base::wants_wasm_eh;
 use rustc_codegen_ssa::traits::*;
 use rustc_codegen_ssa::{CompiledModule, ModuleCodegen, ModuleKind};
 use rustc_data_structures::profiling::SelfProfilerRef;
@@ -285,6 +286,8 @@ pub(crate) fn target_machine_factory(
     let file_name_display_preference =
         sess.filename_display_preference(RemapPathScopeComponents::DEBUGINFO);
 
+    let use_wasm_eh = wants_wasm_eh(sess);
+
     Arc::new(move |config: TargetMachineFactoryConfig| {
         let path_to_cstring_helper = |path: Option<PathBuf>| -> CString {
             let path = path.unwrap_or_default();
@@ -321,6 +324,7 @@ pub(crate) fn target_machine_factory(
             &debuginfo_compression,
             use_emulated_tls,
             &args_cstr_buff,
+            use_wasm_eh,
         )
     })
 }
diff --git a/compiler/rustc_codegen_llvm/src/context.rs b/compiler/rustc_codegen_llvm/src/context.rs
index afbc2971dd7..ee77774c688 100644
--- a/compiler/rustc_codegen_llvm/src/context.rs
+++ b/compiler/rustc_codegen_llvm/src/context.rs
@@ -207,6 +207,11 @@ pub(crate) unsafe fn create_module<'ll>(
             // LLVM 21 updated the default layout on nvptx: https://github.com/llvm/llvm-project/pull/124961
             target_data_layout = target_data_layout.replace("e-p6:32:32-i64", "e-i64");
         }
+        if sess.target.arch == "amdgpu" {
+            // LLVM 21 adds the address width for address space 8.
+            // See https://github.com/llvm/llvm-project/pull/139419
+            target_data_layout = target_data_layout.replace("p8:128:128:128:48", "p8:128:128")
+        }
     }
 
     // Ensure the data-layout values hardcoded remain the defaults.
diff --git a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
index c2dd29334cd..edfb29dd1be 100644
--- a/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
+++ b/compiler/rustc_codegen_llvm/src/llvm/ffi.rs
@@ -2432,6 +2432,7 @@ unsafe extern "C" {
         UseEmulatedTls: bool,
         ArgsCstrBuff: *const c_char,
         ArgsCstrBuffLen: usize,
+        UseWasmEH: bool,
     ) -> *mut TargetMachine;
 
     pub(crate) fn LLVMRustDisposeTargetMachine(T: *mut TargetMachine);