[Object][ELF] Devirtualize and simplify dynamic table iteration.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174566 91177308-0d34-0410-b5e6-96231b3b80d8
[Object][ELF] Do the actual devirtualization.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174568 91177308-0d34-0410-b5e6-96231b3b80d8
whitespace

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174569 91177308-0d34-0410-b5e6-96231b3b80d8
Preserve fast-math flags after reassociation and commutation. Update test cases



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174571 91177308-0d34-0410-b5e6-96231b3b80d8
80-col

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@174572 91177308-0d34-0410-b5e6-96231b3b80d8