[all-commits] [llvm/llvm-project] 1d3329: [Thumb] Resolve FIXME: Transform "(and (shl x, c2)...

[AtariDreams via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 1d3329c2e82166be9b60921a8a571ed3c279c028
      https://github.com/llvm/llvm-project/commit/1d3329c2e82166be9b60921a8a571ed3c279c028
  Author: AtariDreams <gfunni234 at gmail.com>
  Date:   2024-05-26 (Sun, 26 May 2024)

  Changed paths:
    M llvm/lib/Target/ARM/ARMISelLowering.cpp
    M llvm/test/CodeGen/Thumb/shift-and.ll

  Log Message:
  -----------
  [Thumb] Resolve FIXME: Transform "(and (shl x, c2), c1)" into "(shl (and x, c1>>c2), c2)" (#82120)

Transform "(and (shl x, c2), c1)" into "(shl (and x, c1>>c2), c2)" if
"c1 >> c2" is a cheaper immediate than "c1" using
HasLowerConstantMaterializationCost



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