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Merge pull request #1252 from YosysHQ/clifford/fix1231

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Fix handling of functions/tasks without top-level begin-end block
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Clifford Wolf 2019-08-07 12:14:54 +02:00 • committed by GitHub
commit 679bc6507f
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1 changed files with 2 additions and 15 deletions
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15
frontends/ast/simplify.cc
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@ -3439,19 +3439,11 @@ AstNode *AstNode::eval_const_function(AstNode *fcall)
{ {
std::map<std::string, AstNode*> backup_scope; std::map<std::string, AstNode*> backup_scope;
std::map<std::string, AstNode::varinfo_t> variables; std::map<std::string, AstNode::varinfo_t> variables;
bool delete_temp_block = false; AstNode *block = new AstNode(AST_BLOCK);
AstNode *block = NULL;
size_t argidx = 0; size_t argidx = 0;
for (auto child : children) for (auto child : children)
{ {
if (child->type == AST_BLOCK)
{
log_assert(block == NULL);
block = child;
continue;
}
if (child->type == AST_WIRE) if (child->type == AST_WIRE)
{ {
while (child->simplify(true, false, false, 1, -1, false, true)) { } while (child->simplify(true, false, false, 1, -1, false, true)) { }
@ -3468,13 +3460,9 @@ AstNode *AstNode::eval_const_function(AstNode *fcall)
continue; continue;
} }
log_assert(block == NULL);
delete_temp_block = true;
block = new AstNode(AST_BLOCK);
block->children.push_back(child->clone()); block->children.push_back(child->clone());
} }
log_assert(block != NULL);
log_assert(variables.count(str) != 0); log_assert(variables.count(str) != 0);
while (!block->children.empty()) while (!block->children.empty())
@ -3642,7 +3630,6 @@ AstNode *AstNode::eval_const_function(AstNode *fcall)
log_abort(); log_abort();
} }
if (delete_temp_block)
delete block; delete block;
for (auto &it : backup_scope) for (auto &it : backup_scope)