[llvm] e559d0a - [TableGen] Fix -Wunused-variable in non-assertion builds

[Fangrui Song via llvm-commits]

Author: Fangrui Song
Date: 2026-02-16T10:51:10-08:00
New Revision: e559d0a97a3dcce5df1e0d64c60a8808096c4b7d

URL: https://github.com/llvm/llvm-project/commit/e559d0a97a3dcce5df1e0d64c60a8808096c4b7d
DIFF: https://github.com/llvm/llvm-project/commit/e559d0a97a3dcce5df1e0d64c60a8808096c4b7d.diff

LOG: [TableGen] Fix -Wunused-variable in non-assertion builds

Added: 
    

Modified: 
    llvm/utils/TableGen/DAGISelMatcherOpt.cpp

Removed: 
    


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diff  --git a/llvm/utils/TableGen/DAGISelMatcherOpt.cpp b/llvm/utils/TableGen/DAGISelMatcherOpt.cpp
index 7e44d700a1a51..2a7b834dea138 100644
--- a/llvm/utils/TableGen/DAGISelMatcherOpt.cpp
+++ b/llvm/utils/TableGen/DAGISelMatcherOpt.cpp
@@ -489,6 +489,7 @@ static void FactorNodes(MatcherList &ML) {
       EqualIt->pop_front();
       assert(FirstEmpty == EqualIt->empty() &&
              "Expect all to be empty if any are empty");
+      (void)FirstEmpty;
       Matcher *Tmp = EqualIt->empty() ? nullptr : EqualIt->front();
 
       // If the remainder is a ScopeMatcher, merge its contents so we can add