llvm-project

c249a9ab - [GISel] Funnel shift combiner port from SelectionDAG ISel to GlobalISel (#135132)

[GISel] Funnel shift combiner port from SelectionDAG ISel to GlobalISel (#135132) The funnel shift combiner rule from https://github.com/llvm/llvm-project/commit/4a3708cd6b062a6afe2697cc8b39329e3f2faa25 is currently missing from GlobalISel. The following is a port of that combiner to GlobalISel.