do not try to analyze bitcasts from i64 to <2 x i32> in ComputedMaskedBits.  While
we could do this, doing so requires adjusting the demanded mask and the code isn't 
doing that yet.  This fixes PR4495

llvm-svn: 74699
2 files changed
tree: b30fabccd3cf6ed0fee18bcfc11546364f7556ab
  1. clang/
  2. compiler-rt/
  3. llvm/