[clang] [llvm] [llvm:ir] Add support for constant data exceeding 4GiB (PR #126481)

[Eli Friedman via cfe-commits]

================
@@ -1583,7 +1583,7 @@ static void printConstant(const Constant *COp, unsigned 
BitWidth,
     bool IsInteger = EltTy->isIntegerTy();
     bool IsFP = EltTy->isHalfTy() || EltTy->isFloatTy() || EltTy->isDoubleTy();
     unsigned EltBits = EltTy->getPrimitiveSizeInBits();
-    unsigned E = std::min(BitWidth / EltBits, CDS->getNumElements());
+    unsigned E = std::min(BitWidth / EltBits, (unsigned)CDS->getNumElements());
----------------
efriedma-quic wrote:

```suggestion
    uint64_t E = std::min((uint64_t)(BitWidth / EltBits), 
CDS->getNumElements());
```

https://github.com/llvm/llvm-project/pull/126481
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