[llvm] [InstCombine] Factorise Add and Min/Max using Distributivity (PR #101717)

[Yingwei Zheng via llvm-commits]

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@@ -1503,6 +1503,76 @@ foldMinimumOverTrailingOrLeadingZeroCount(Value *I0, Value *I1,
       ConstantInt::getTrue(ZeroUndef->getType()));
 }
 
+/// Return whether "X LOp (Y ROp Z)" is always equal to
+/// "(X LOp Y) ROp (X LOp Z)".
+static bool leftDistributesOverRight(Instruction::BinaryOps LOp, bool hasNUW,
+                                     bool hasNSW, Intrinsic::ID ROp) {
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dtcxzyw wrote:

```suggestion
static bool leftDistributesOverRight(Instruction::BinaryOps LOp, bool HasNUW,
                                     bool HasNSW, Intrinsic::ID ROp) {
```

https://github.com/llvm/llvm-project/pull/101717