[all-commits] [llvm/llvm-project] cf5c63: [DAG] visitVECTOR_SHUFFLE - fold splat(insert_vect...

[Simon Pilgrim via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: cf5c63d187f4e8e2b1855c2c37fbc79d47852ec8
      https://github.com/llvm/llvm-project/commit/cf5c63d187f4e8e2b1855c2c37fbc79d47852ec8
  Author: Simon Pilgrim <llvm-dev at redking.me.uk>
  Date:   2022-06-11 (Sat, 11 Jun 2022)

  Changed paths:
    M llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
    M llvm/test/CodeGen/PowerPC/canonical-merge-shuffles.ll
    M llvm/test/CodeGen/PowerPC/load-and-splat.ll
    M llvm/test/CodeGen/X86/bitcast-int-to-vector-bool-sext.ll
    M llvm/test/CodeGen/X86/bitcast-int-to-vector-bool-zext.ll
    M llvm/test/CodeGen/X86/bitcast-int-to-vector-bool.ll
    M llvm/test/CodeGen/X86/pr15296.ll
    M llvm/test/CodeGen/X86/pr51615.ll

  Log Message:
  -----------
  [DAG] visitVECTOR_SHUFFLE - fold splat(insert_vector_elt()) and splat(scalar_to_vector()) to build_vector splats

Addresses a number of regressions identified in D127115