tree ff08ba86ca2158565d9c438e174ba0d1239d9d54
parent dd7e83737491b14ebf98e09fa6cb9b515f9f2e3e
author Chris Lattner <sabre@nondot.org> 1292783709 +0000
committer Chris Lattner <sabre@nondot.org> 1292783709 +0000

generalize the sadd creation code to not require that the
sadd formed is half the size of the original type. We can
now compile this into a sadd.i8:

unsigned char X(char a, char b) {
  int res = a+b;
  if ((unsigned )(res+128) > 255U)
    abort();
  return res;
}


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@122178 91177308-0d34-0410-b5e6-96231b3b80d8