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Fixes for early width and sign detection in ast simplifier

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This commit is contained in:
Clifford Wolf 2013-11-04 08:28:13 +01:00
parent 472117d532
commit 1325514d33
1 changed files with 2 additions and 1 deletions
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3
frontends/ast/simplify.cc
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@ -242,7 +242,7 @@ bool AstNode::simplify(bool const_fold, bool at_zero, bool in_lvalue, int stage,
width_hint = -1;
sign_hint = true;
for (auto child : children) {
while (child->simplify(false, false, false, stage, -1, false) == true) { }
while (child->simplify(false, false, in_lvalue, stage, -1, false) == true) { }
child->detectSignWidthWorker(width_hint, sign_hint);
}
reset_width_after_children = true;
@ -851,6 +851,7 @@ skip_dynamic_range_lvalue_expansion:;
wire->is_output = false;
current_ast_mod->children.push_back(wire);
while (wire->simplify(true, false, false, 1, -1, false)) { }
AstNode *lvalue = new AstNode(AST_IDENTIFIER);
lvalue->str = wire->str;