[llvm] [AArch64] Expand llvm.histogram intrinsic to support umax, umin, and uadd.sat operations (PR #138447)

[via llvm-commits]

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@@ -997,8 +997,26 @@ static void scalarizeMaskedVectorHistogram(const DataLayout &DL, CallInst *CI,
     Builder.SetInsertPoint(CondBlock->getTerminator());
     Value *Ptr = Builder.CreateExtractElement(Ptrs, Idx, "Ptr" + Twine(Idx));
     LoadInst *Load = Builder.CreateLoad(EltTy, Ptr, "Load" + Twine(Idx));
-    Value *Add = Builder.CreateAdd(Load, Inc);
-    Builder.CreateStore(Add, Ptr);
+    Value *UpdateOp;
+    switch (cast<IntrinsicInst>(CI)->getIntrinsicID()) {
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RonDahan101 wrote:

Great catch!

Fixed

https://github.com/llvm/llvm-project/pull/138447