Index cu_inl_function_cache_t by function->addr

Again, avoid needless string construction for map indexing.

* dwflpp.h (cu_inl_function_cache_t): Index by the void* function->addr.
* dwflpp.cxx (dwflpp::iterate_over_inline_instances): Index
  cu_inl_function_cache by function->addr.

1 files changed, 2 insertions, 3 deletions

diff --git a/dwflpp.cxx b/dwflpp.cxx
index f0bf7dcf..7d4fa3ab 100644
--- a/dwflpp.cxx
+++ b/dwflpp.cxx
@@ -514,12 +514,11 @@ dwflpp::iterate_over_inline_instances (int (* callback)(Dwarf_Die * die, void *
   assert (function);
   assert (func_is_inline ());
 
-  string key = module_name + ":" + cu_name + ":" + function_name;
-  vector<Dwarf_Die>* v = cu_inl_function_cache[key];
+  vector<Dwarf_Die>* v = cu_inl_function_cache[function->addr];
   if (v == 0)
     {
       v = new vector<Dwarf_Die>;
-      cu_inl_function_cache[key] = v;
+      cu_inl_function_cache[function->addr] = v;
       dwarf_func_inline_instances (function, cu_inl_function_caching_callback, v);
     }