Hoist signal page lookup outside fence

JuliaLang · Jul 23, 2021 · c76459c · c76459c
1 parent 6f06a98
commit c76459c
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/cgutils.cpp b/src/cgutils.cpp
@@ -3451,8 +3451,9 @@ static Value *emit_defer_signal(jl_codectx_t &ctx)
 static void emit_safepoint(jl_codectx_t &ctx)
 {
     ctx.builder.CreateCall(prepare_call(gcroot_flush_func));
+    Value* signal_page = get_current_signal_page(ctx);
     emit_signal_fence(ctx);
-    ctx.builder.CreateLoad(T_size, get_current_signal_page(ctx), true);
+    ctx.builder.CreateLoad(T_size, signal_page, true);
     emit_signal_fence(ctx);
 }