Mark more as nofree/inactive (#1628)

EnzymeAD · Jan 25, 2024 · 1b8aff2 · 1b8aff2
1 parent b2151f8
commit 1b8aff2
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Showing 2 changed files with 5 additions and 1 deletion.
diff --git a/enzyme/Enzyme/ActivityAnalysis.cpp b/enzyme/Enzyme/ActivityAnalysis.cpp
@@ -409,7 +409,8 @@ const char *DemangledKnownInactiveFunctionsStartingWith[] = {
     "std::__1::discard_block_engine",
     "std::__1::independent_bits_engine",
     "std::__1::shuffle_order_engine",
-
+    "std::__1::basic_streambuf",
+    "std::__1::basic_stringbuf",
 
     "std::__detail::_Prime_rehash_policy",
     "std::__detail::_Hash_code_base",

diff --git a/enzyme/Enzyme/EnzymeLogic.cpp b/enzyme/Enzyme/EnzymeLogic.cpp
@@ -5846,6 +5846,9 @@ llvm::Function *EnzymeLogic::CreateNoFree(RequestContext context, Function *F) {
   }
 
   if (F->empty()) {
+    if (EnzymeAssumeUnknownNoFree) {
+      return F;
+    }
     if (EnzymeEmptyFnInactive) {
       return F;
     }