Updated version of r96634 (which was reverted due to failing 176.gcc and
126.gcc nightly tests. These failures uncovered latent bugs that machine DCE
could remove one half of a stack adjust down/up pair, causing PEI to assert.
This update fixes that, and the tests now pass.

llvm-svn: 96822
6 files changed
tree: c84756f2785d34b69d86281bf9a9b89160116e29
  1. clang/
  2. compiler-rt/
  3. llvm/