[NewGVN] Strengthen a couple of assertions.

StoreCount >= 0 on `unsigned` is always true, otherwise.

llvm-svn: 291709

1 files changed, 2 insertions, 2 deletions

diff --git a/llvm/lib/Transforms/Scalar/NewGVN.cpp b/llvm/lib/Transforms/Scalar/NewGVN.cpp
index 1c1e04a6992..04fd5d0b0bd 100644
--- a/llvm/lib/Transforms/Scalar/NewGVN.cpp
+++ b/llvm/lib/Transforms/Scalar/NewGVN.cpp
@@ -1063,10 +1063,10 @@ void NewGVN::moveValueToNewCongruenceClass(Value *V, CongruenceClass *OldClass,
   OldClass->Members.erase(V);
   NewClass->Members.insert(V);
   if (isa<StoreInst>(V)) {
+    assert(OldClass->StoreCount > 0 && "Store count underflow detected");
     --OldClass->StoreCount;
-    assert(OldClass->StoreCount >= 0);
+    assert(NewClass->StoreCount < UINT_MAX && "Store count overflow detected");
     ++NewClass->StoreCount;
-    assert(NewClass->StoreCount >= 0);
   }
 
   ValueToClass[V] = NewClass;