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| author | Clifford Wolf <clifford@clifford.at> | 2019-04-30 15:03:32 +0200 |
|---|---|---|
| committer | Clifford Wolf <clifford@clifford.at> | 2019-04-30 15:03:32 +0200 |
| commit | 9af825e31e493bec6f0d86b8f30aeee436ed50df (patch) | |
| tree | b3efc99c7855e70f22190c8049792d1e62987ed3 /frontends/ast/simplify.cc | |
| parent | 314ff1e4ca00ef8024bbb0d2f031efd78b01f9a1 (diff) | |
| download | yosys-9af825e31e493bec6f0d86b8f30aeee436ed50df.tar.gz yosys-9af825e31e493bec6f0d86b8f30aeee436ed50df.tar.bz2 yosys-9af825e31e493bec6f0d86b8f30aeee436ed50df.zip | |
Add final loop variable assignment when unrolling for-loops, fixes #968
Signed-off-by: Clifford Wolf <clifford@clifford.at>
Diffstat (limited to 'frontends/ast/simplify.cc')
| -rw-r--r-- | frontends/ast/simplify.cc | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/frontends/ast/simplify.cc b/frontends/ast/simplify.cc index 3e453bd7f..a342bf5d9 100644 --- a/frontends/ast/simplify.cc +++ b/frontends/ast/simplify.cc @@ -1172,6 +1172,13 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage, varbuf->children[0] = buf; } + if (type == AST_FOR) { + AstNode *buf = next_ast->clone(); + delete buf->children[1]; + buf->children[1] = varbuf->children[0]->clone(); + current_block->children.insert(current_block->children.begin() + current_block_idx++, buf); + } + current_scope[varbuf->str] = backup_scope_varbuf; delete varbuf; delete_children(); |