[llvm] [DSE] Simpily if condition (NFC) (PR #137777)

[Florian Hahn via llvm-commits]

================
@@ -1210,13 +1210,11 @@ struct DSEState {
   bool isInvisibleToCallerAfterRet(const Value *V) {
     if (isa<AllocaInst>(V))
       return true;
+
     auto I = InvisibleToCallerAfterRet.insert({V, false});
     if (I.second) {
-      if (!isInvisibleToCallerOnUnwind(V)) {
-        I.first->second = false;
-      } else if (isNoAliasCall(V)) {
+      if (isInvisibleToCallerOnUnwind(V) && isNoAliasCall(V))
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fhahn wrote:

can also fold into `if` above?

https://github.com/llvm/llvm-project/pull/137777