kill ADD_PARTS & SUB_PARTS and replace them with fancy new ADDC, ADDE, SUBC
and SUBE nodes that actually expose what's going on and allow for
significant simplifications in the targets.

llvm-svn: 26255
12 files changed
tree: ec5b69adc0a9b29157bfccc8676805738ff6f1c0
  1. llvm/