diff options
| author | Xiretza <xiretza@xiretza.xyz> | 2021-03-16 16:43:03 +0100 |
|---|---|---|
| committer | Zachary Snow <zachary.j.snow@gmail.com> | 2021-06-14 13:56:51 -0400 |
| commit | 091295a5a533c44a4ad20d297fdad1ec2a77903c (patch) | |
| tree | efb3ade270c1beafa74c22c4084b738e0d8375f3 /frontends/ast | |
| parent | 9ca5a91724e114ebb8c04be8edfc0f2f5e8073a9 (diff) | |
| download | yosys-091295a5a533c44a4ad20d297fdad1ec2a77903c.tar.gz yosys-091295a5a533c44a4ad20d297fdad1ec2a77903c.tar.bz2 yosys-091295a5a533c44a4ad20d297fdad1ec2a77903c.zip | |
verilog: fix leaking ASTNodes
Diffstat (limited to 'frontends/ast')
| -rw-r--r-- | frontends/ast/simplify.cc | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc index 500288de0..8ef681069 100644 --- a/frontends/ast/simplify.cc +++ b/frontends/ast/simplify.cc @@ -2303,6 +2303,8 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage, if (left_at_zero_ast->type != AST_CONSTANT || right_at_zero_ast->type != AST_CONSTANT) log_file_error(filename, location.first_line, "Unsupported expression on dynamic range select on signal `%s'!\n", str.c_str()); result_width = abs(int(left_at_zero_ast->integer - right_at_zero_ast->integer)) + 1; + delete left_at_zero_ast; + delete right_at_zero_ast; } bool use_case_method = false; @@ -3534,6 +3536,8 @@ skip_dynamic_range_lvalue_expansion:; // convert purely constant arguments into localparams if (child->is_input && child->type == AST_WIRE && arg->type == AST_CONSTANT && node_contains_assignment_to(decl, child)) { wire->type = AST_LOCALPARAM; + if (wire->attributes.count(ID::nosync)) + delete wire->attributes.at(ID::nosync); wire->attributes.erase(ID::nosync); wire->children.insert(wire->children.begin(), arg->clone()); // args without a range implicitly have width 1 @@ -3557,6 +3561,7 @@ skip_dynamic_range_lvalue_expansion:; } // updates the sizing while (wire->simplify(true, false, false, 1, -1, false, false)) { } + delete arg; continue; } AstNode *wire_id = new AstNode(AST_IDENTIFIER); |