Increment DFAStateEntryTable index for sentinel entry.

When adding the {-1, -1} entry to the DFAStateInputTable, we
need to increment the index used to populate the DFAStateEntryTable.
Otherwise, the entry table will be off by one for each transition
after the {-1, -1} entry. PR11908.

llvm-svn: 149713

1 files changed, 3 insertions, 1 deletions

diff --git a/llvm/utils/TableGen/DFAPacketizerEmitter.cpp b/llvm/utils/TableGen/DFAPacketizerEmitter.cpp
index 2862d0cefc1..5721121dd73 100644
--- a/llvm/utils/TableGen/DFAPacketizerEmitter.cpp
+++ b/llvm/utils/TableGen/DFAPacketizerEmitter.cpp
@@ -311,8 +311,10 @@ void DFA::writeTableAndAPI(raw_ostream &OS, const std::string &TargetName) {
 
     // If there are no valid transitions from this stage, we need a sentinel
     // transition.
-    if (ValidTransitions == StateEntry[i])
+    if (ValidTransitions == StateEntry[i]) {
       OS << "{-1, -1},";
+      ++ValidTransitions;
+    }
 
     OS << "\n";
   }