If we know that it's a constant being casted, propagate through the cast
instruction. Doesn't work the other way though (can't recover bits that
have been truncated).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33104 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed