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authorClifford Wolf <clifford@clifford.at>2019-08-07 12:14:54 +0200
committerGitHub <noreply@github.com>2019-08-07 12:14:54 +0200
commit679bc6507f08cab33de0c46b3a96bfaeab2069f4 (patch)
tree8a30dadbd3a11f644446f72fb3237abe0f2c418b /frontends
parentc5d56fbe2d197b28a5d30983506af5d36868abd7 (diff)
parentf1f5b4e375f6347424cf7877ed6415bf9c71420e (diff)
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Merge pull request #1252 from YosysHQ/clifford/fix1231
Fix handling of functions/tasks without top-level begin-end block
Diffstat (limited to 'frontends')
-rw-r--r--frontends/ast/simplify.cc17
1 files changed, 2 insertions, 15 deletions
diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc
index e947125bf..6fb94d80b 100644
--- a/frontends/ast/simplify.cc
+++ b/frontends/ast/simplify.cc
@@ -3439,19 +3439,11 @@ AstNode *AstNode::eval_const_function(AstNode *fcall)
{
std::map<std::string, AstNode*> backup_scope;
std::map<std::string, AstNode::varinfo_t> variables;
- bool delete_temp_block = false;
- AstNode *block = NULL;
+ AstNode *block = new AstNode(AST_BLOCK);
size_t argidx = 0;
for (auto child : children)
{
- if (child->type == AST_BLOCK)
- {
- log_assert(block == NULL);
- block = child;
- continue;
- }
-
if (child->type == AST_WIRE)
{
while (child->simplify(true, false, false, 1, -1, false, true)) { }
@@ -3468,13 +3460,9 @@ AstNode *AstNode::eval_const_function(AstNode *fcall)
continue;
}
- log_assert(block == NULL);
- delete_temp_block = true;
- block = new AstNode(AST_BLOCK);
block->children.push_back(child->clone());
}
- log_assert(block != NULL);
log_assert(variables.count(str) != 0);
while (!block->children.empty())
@@ -3642,8 +3630,7 @@ AstNode *AstNode::eval_const_function(AstNode *fcall)
log_abort();
}
- if (delete_temp_block)
- delete block;
+ delete block;
for (auto &it : backup_scope)
if (it.second == NULL)