From 1cb220498e1f59021dab36c39c5d726e9f070c6a Mon Sep 17 00:00:00 2001 From: Richard Biener Date: Wed, 13 Apr 2022 15:43:01 +0200 Subject: [PATCH] Assume a call is expensive when it mismatches This makes sure to not consider calls to builtin decls with mismatching arguments as inexpensive. 2022-04-13 Richard Biener * tree-scalar-evolution.cc (expression_expensive_p): Never consider mismatched calls as cheap. --- gcc/tree-scalar-evolution.cc | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/gcc/tree-scalar-evolution.cc b/gcc/tree-scalar-evolution.cc index 44157265ce8..b53d7aaa71d 100644 --- a/gcc/tree-scalar-evolution.cc +++ b/gcc/tree-scalar-evolution.cc @@ -3420,12 +3420,15 @@ expression_expensive_p (tree expr, hash_map &cache, break; return true; } + break; + default: + if (cfn == CFN_LAST + || !is_inexpensive_builtin (get_callee_fndecl (expr))) + return true; break; } - if (!is_inexpensive_builtin (get_callee_fndecl (expr))) - return true; FOR_EACH_CALL_EXPR_ARG (arg, iter, expr) if (expression_expensive_p (arg, cache, op_cost)) return true; -- 2.47.2