hot-path optimize replace_getfield!

JuliaLang · Mar 2, 2016 · af81431 · af81431
1 parent f67203c
commit af81431
Showing 1 changed file with 3 additions and 6 deletions.
diff --git a/base/inference.jl b/base/inference.jl
@@ -3511,10 +3511,7 @@ function alloc_elim_pass(ast::Expr, sv::VarInfo)
     end
 end
 
-function replace_getfield!(ast, e::ANY, tupname, vals, field_names, sv, i0)
-    if !isa(e,Expr)
-        return
-    end
+function replace_getfield!(ast, e::Expr, tupname, vals, field_names, sv, i0)
     for i = i0:length(e.args)
         a = e.args[i]
         if isa(a,Expr) && is_known_call(a, getfield, sv) &&
@@ -3548,8 +3545,8 @@ function replace_getfield!(ast, e::ANY, tupname, vals, field_names, sv, i0)
                 end
             end
             e.args[i] = val
-        else
-            replace_getfield!(ast, a, tupname, vals, field_names, sv, 1)
+        elseif isa(a, Expr)
+            replace_getfield!(ast, a::Expr, tupname, vals, field_names, sv, 1)
         end
     end
 end