Add support for gcc __builtin_ia32_ptest{z,c,nzc} intrinsics. Lower
to ptest instruction plus setcc. Revamp ptest instruction. Add test.

llvm-svn: 77407
5 files changed
tree: 76cf07fad34ec15e92aee1bf8cc7a3ae09c52dfd
  1. clang/
  2. compiler-rt/
  3. llvm/