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rustc_codegen_llvm: use threadlocal.address intrinsic to access TLS

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joboet
2025-04-04 19:47:44 +02:00
parent b8ff7b682e
commit e4d9b06cc8
3 changed files with 20 additions and 9 deletions
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12
compiler/rustc_codegen_llvm/src/builder.rs
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@@ -1454,9 +1454,15 @@ impl<'a, 'll, 'tcx> BuilderMethods<'a, 'tcx> for Builder<'a, 'll, 'tcx> {
impl<'ll> StaticBuilderMethods for Builder<'_, 'll, '_> {
fn get_static(&mut self, def_id: DefId) -> &'ll Value {
// Forward to the `get_static` method of `CodegenCx`
let s = self.cx().get_static(def_id);
// Cast to default address space if globals are in a different addrspace
self.cx().const_pointercast(s, self.type_ptr())
let global = self.cx().get_static(def_id);
if self.cx().tcx.is_thread_local_static(def_id) {
let pointer = self.call_intrinsic("llvm.threadlocal.address", &[global]);
// Cast to default address space if globals are in a different addrspace
self.pointercast(pointer, self.type_ptr())
} else {
// Cast to default address space if globals are in a different addrspace
self.cx().const_pointercast(global, self.type_ptr())
}
}
}