[llvm] [InstCombine] Extend bitmask mul combine to handle independent operands (PR #142503)
Matt Arsenault via llvm-commits
llvm-commits at lists.llvm.org
Tue Jun 24 05:57:48 PDT 2025
================
@@ -3664,32 +3664,35 @@ static std::optional<DecomposedBitMaskMul> matchBitmaskMul(Value *V) {
return std::nullopt;
}
-using CombinedBitmaskMul =
- std::pair<std::optional<DecomposedBitMaskMul>, Value *>;
+struct CombinedBitmaskMul {
+ std::optional<DecomposedBitMaskMul> Decomp = std::nullopt;
----------------
arsenm wrote:
```suggestion
std::optional<DecomposedBitMaskMul> Decomp;
```
This already default constructs to nullopt
https://github.com/llvm/llvm-project/pull/142503
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