[llvm] [clang] [LLVM][IR] Replace ConstantInt's specialisation of getType() with getIntegerType(). (PR #75217)

[Nikita Popov via cfe-commits]

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@@ -1688,7 +1688,7 @@ void PolynomialMultiplyRecognize::setupPreSimplifier(Simplifier &S) {
       if (I->getOpcode() != Instruction::Or)
         return nullptr;
       ConstantInt *Msb = dyn_cast<ConstantInt>(I->getOperand(1));
-      if (!Msb || Msb->getZExtValue() != Msb->getType()->getSignBit())
+      if (!Msb || Msb->getZExtValue() != Msb->getIntegerType()->getSignBit())
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nikic wrote:

```suggestion
      if (!Msb || !Msb->getValue().isSignMask())
```

https://github.com/llvm/llvm-project/pull/75217