diff options
| -rw-r--r-- | utils/TableGen/DAGISelEmitter.cpp | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/utils/TableGen/DAGISelEmitter.cpp b/utils/TableGen/DAGISelEmitter.cpp index bdae7615f9..68248d7d66 100644 --- a/utils/TableGen/DAGISelEmitter.cpp +++ b/utils/TableGen/DAGISelEmitter.cpp @@ -1212,6 +1212,14 @@ void DAGISelEmitter::ParsePatterns() { // never do anything with this pattern: report it to the user. if (!Pattern->InferAllTypes()) Pattern->error("Could not infer all types in pattern!"); + + // Validate that the input pattern is correct. + { + std::map<std::string, TreePatternNode*> InstInputs; + std::map<std::string, Record*> InstResults; + FindPatternInputsAndOutputs(Pattern, Pattern->getOnlyTree(), + InstInputs, InstResults); + } ListInit *LI = Patterns[i]->getValueAsListInit("ResultInstrs"); if (LI->getSize() == 0) continue; // no pattern. |