aboutsummaryrefslogtreecommitdiffstats
path: root/frontends/ast
diff options
context:
space:
mode:
Diffstat (limited to 'frontends/ast')
-rw-r--r--frontends/ast/ast.cc3
-rw-r--r--frontends/ast/simplify.cc3
2 files changed, 3 insertions, 3 deletions
diff --git a/frontends/ast/ast.cc b/frontends/ast/ast.cc
index 6097f02f5..982943d1b 100644
--- a/frontends/ast/ast.cc
+++ b/frontends/ast/ast.cc
@@ -1649,7 +1649,7 @@ RTLIL::IdString AstModule::derive(RTLIL::Design *design, const dict<RTLIL::IdStr
AstNode *new_ast = NULL;
std::string modname = derive_common(design, parameters, &new_ast, quiet);
- if (!design->has(modname)) {
+ if (!design->has(modname) && new_ast) {
new_ast->str = modname;
process_module(design, new_ast, false, NULL, quiet);
design->module(modname)->check();
@@ -1699,6 +1699,7 @@ std::string AST::derived_module_name(std::string stripped_name, const std::vecto
std::string AstModule::derive_common(RTLIL::Design *design, const dict<RTLIL::IdString, RTLIL::Const> &parameters, AstNode **new_ast_out, bool quiet)
{
std::string stripped_name = name.str();
+ (*new_ast_out) = nullptr;
if (stripped_name.compare(0, 9, "$abstract") == 0)
stripped_name = stripped_name.substr(9);
diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc
index da7933d2f..71a26983b 100644
--- a/frontends/ast/simplify.cc
+++ b/frontends/ast/simplify.cc
@@ -4705,8 +4705,7 @@ void AstNode::mem2reg_as_needed_pass1(dict<AstNode*, pool<std::string>> &mem2reg
children_flags |= AstNode::MEM2REG_FL_ASYNC;
proc_flags_p = new dict<AstNode*, uint32_t>;
}
-
- if (type == AST_INITIAL) {
+ else if (type == AST_INITIAL) {
children_flags |= AstNode::MEM2REG_FL_INIT;
proc_flags_p = new dict<AstNode*, uint32_t>;
}