llvm-project

f9729859 - [X86] combineGatherScatter - use FoldConstantArithmetic for truncation of constant build vectors (#136033)

[X86] combineGatherScatter - use FoldConstantArithmetic for truncation of constant build vectors (#136033) No need to explicitly check with BuildVectorSDNode::isConstant - FoldConstantArithmetic can handle this, including through bitcasts etc.