[PATCH] D99468: [TableGen] Emit more helpful error messages on empty type set

[Alexander Richardson via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rG44ce487bfe8b: [TableGen] Emit more helpful error messages on empty type set (authored by arichardson).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D99468/new/

https://reviews.llvm.org/D99468

Files:
  llvm/utils/TableGen/CodeGenDAGPatterns.cpp


Index: llvm/utils/TableGen/CodeGenDAGPatterns.cpp
===================================================================
--- llvm/utils/TableGen/CodeGenDAGPatterns.cpp
+++ llvm/utils/TableGen/CodeGenDAGPatterns.cpp
@@ -846,7 +846,11 @@
               "(use -print-records with llvm-tblgen to see all "
               "expanded records).\n";
     Infer.TP.dump();
-    llvm_unreachable(nullptr);
+    dbgs() << "Generated from record:\n";
+    Infer.TP.getRecord()->dump();
+    PrintFatalError(Infer.TP.getRecord()->getLoc(),
+                    "Type set is empty for each HW mode in '" +
+                        Infer.TP.getRecord()->getName() + "'");
   }
 }
 #endif


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