[llvm] [InferAddressSpaces] apply InferAddressSpaces to inttoptr-zext-ptrtoint address expression. (PR #79108)

[Alexander Richardson via llvm-commits]

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@@ -266,38 +266,67 @@ static Type *getPtrOrVecOfPtrsWithNewAS(Type *Ty, unsigned NewAddrSpace) {
   return Ty->getWithNewType(NPT);
 }
 
-// Check whether that's no-op pointer bicast using a pair of
-// `ptrtoint`/`inttoptr` due to the missing no-op pointer bitcast over
-// different address spaces.
-static bool isNoopPtrIntCastPair(const Operator *I2P, const DataLayout &DL,
-                                 const TargetTransformInfo *TTI) {
+// Return valid IntToPtr Operator if it's a no-op pointer bitcast using a pair
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arichardson wrote:

```suggestion
// Return valid PtrToInt Operator if it's a no-op pointer bitcast using a pair
```

https://github.com/llvm/llvm-project/pull/79108