- Treat bitwise OR with a frame index as an ADD wherever possible, fold it
into addressing mode.
- Extend patterns for memops to allow memops with frame indexes as address
operands.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@275569 91177308-0d34-0410-b5e6-96231b3b80d8
Analyze bit patterns of operands and values of instructions to perform
various simplifications, dead/redundant code elimination, etc.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@250868 91177308-0d34-0410-b5e6-96231b3b80d8