Generalize ScalarEvolution's PHI analysis to handle loops that don't
have preheaders or dedicated exit blocks, as clients may not otherwise
need to run LoopSimplify.

llvm-svn: 101030
2 files changed
tree: 7f3ecb6c43d9427c3d2ab98e8a99141ef678c10d
  1. clang/
  2. compiler-rt/
  3. llvm/