Commit Graph

2 Commits

Author SHA1 Message Date
Chris Lattner 17a06b7efa temporarily disable this: PR8823.
llvm-svn: 122222
2010-12-20 02:11:23 +00:00
Eli Friedman dbbbf73c96 Implement expansion in type legalization for add/sub with overflow. The
expansion is the same as that used by LegalizeDAG.

The resulting code sucks in terms of performance/codesize on x86-32 for a
64-bit operation; I haven't looked into whether different expansions might be
better in general.

llvm-svn: 105378
2010-06-03 03:49:50 +00:00