[llvm] [InstCombine] Add cast support in simplifyUsingControlFlow (PR #142263)

[Andreas Jonson via llvm-commits]

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@@ -1301,6 +1301,7 @@ static Value *simplifyUsingControlFlow(InstCombiner &Self, PHINode &PN,
 
   // Determine which value the condition of the idom has for which successor.
   LLVMContext &Context = PN.getContext();
+  unsigned PNBitWidth = PN.getType()->getScalarSizeInBits();
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andjo403 wrote:

nice catch have added a early bail out if the phi node is not a integer type

https://github.com/llvm/llvm-project/pull/142263