diff options
Diffstat (limited to 'utils/TableGen/CodeGenDAGPatterns.cpp')
-rw-r--r-- | utils/TableGen/CodeGenDAGPatterns.cpp | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/utils/TableGen/CodeGenDAGPatterns.cpp b/utils/TableGen/CodeGenDAGPatterns.cpp index 443a6622ad..c91ec95e2e 100644 --- a/utils/TableGen/CodeGenDAGPatterns.cpp +++ b/utils/TableGen/CodeGenDAGPatterns.cpp @@ -2800,8 +2800,11 @@ void CodeGenDAGPatterns::AddPatternToMatch(const TreePattern *Pattern, const PatternToMatch &PTM) { // Do some sanity checking on the pattern we're about to match. std::string Reason; - if (!PTM.getSrcPattern()->canPatternMatch(Reason, *this)) - Pattern->error("Pattern can never match: " + Reason); + if (!PTM.getSrcPattern()->canPatternMatch(Reason, *this)) { + PrintWarning(Pattern->getRecord()->getLoc(), + Twine("Pattern can never match: ") + Reason); + return; + } // If the source pattern's root is a complex pattern, that complex pattern // must specify the nodes it can potentially match. |