[llvm] [mlir] mlir/MathExtras: consolidate with llvm/MathExtras (PR #95087)

[Nikita Popov via llvm-commits]

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@@ -971,8 +971,8 @@ struct MemorySpaceCastOpLowering
                                resultUnderlyingDesc, resultElemPtrType);
 
       int64_t bytesToSkip =
-          2 *
-          ceilDiv(getTypeConverter()->getPointerBitwidth(resultAddrSpace), 8);
+          2 * llvm::divideCeilSigned(
+                  getTypeConverter()->getPointerBitwidth(resultAddrSpace), 8);
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nikic wrote:

Here as well, this should use the unsigned variant.

https://github.com/llvm/llvm-project/pull/95087