[llvm] [InstCombine] Remove transformation on call instruction where return value need void to non-void conversion (PR #98536)

[via llvm-commits]

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@@ -4071,9 +4071,7 @@ bool InstCombinerImpl::transformConstExprCastCall(CallBase &Call) {
       if (Callee->isDeclaration())
         return false;   // Cannot transform this return value.
 
-      if (!Caller->use_empty() &&
-          // void -> non-void is handled specially
-          !NewRetTy->isVoidTy())
+      if (!Caller->use_empty() || NewRetTy->isVoidTy())
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yozhu wrote:

Yes this makes sense.

https://github.com/llvm/llvm-project/pull/98536