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genrtlil: add width detection for AST_PREFIX nodes

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Zachary Snow
2021-07-29 12:35:22 -04:00
committed by Zachary Snow
parent 87ef1dd805
commit 4fec3a85cd
2 changed files with 26 additions and 0 deletions
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8
frontends/ast/genrtlil.cc
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@@ -993,6 +993,14 @@ void AstNode::detectSignWidthWorker(int &width_hint, bool &sign_hint, bool *foun
break;
}
case AST_PREFIX:
// Prefix nodes always resolve to identifiers in generate loops, so we
// can simply perform the resolution to determine the sign and width.
simplify(true, false, false, 1, -1, false, false);
log_assert(type == AST_IDENTIFIER);
detectSignWidthWorker(width_hint, sign_hint, found_real);
break;
case AST_FCALL:
if (str == "\\$anyconst" || str == "\\$anyseq" || str == "\\$allconst" || str == "\\$allseq") {
if (GetSize(children) == 1) {