1 files changed, 6 insertions, 0 deletions
diff --git a/contrib/llvm-project/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp b/contrib/llvm-project/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp
index c7e6f32c5406..8a00b75a1f74 100644
--- a/contrib/llvm-project/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp
+++ b/contrib/llvm-project/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp
@@ -1683,6 +1683,9 @@ Instruction *InstCombinerImpl::visitAdd(BinaryOperator &I) {
     }
   }
 
+  if (Instruction *R = tryFoldInstWithCtpopWithNot(&I))
+    return R;
+
   // TODO(jingyue): Consider willNotOverflowSignedAdd and
   // willNotOverflowUnsignedAdd to reduce the number of invocations of
   // computeKnownBits.
@@ -2445,6 +2448,9 @@ Instruction *InstCombinerImpl::visitSub(BinaryOperator &I) {
     }
   }
 
+  if (Instruction *R = tryFoldInstWithCtpopWithNot(&I))
+    return R;
+
   if (Instruction *R = foldSubOfMinMax(I, Builder))
     return R;