Commit Graph

10 Commits

Author SHA1 Message Date
Andrew Trick 638b355a16 indvars: Added getInsertPointForUses to find a valid place to truncate the IV.
llvm-svn: 135568
2011-07-20 05:32:06 +00:00
Andrew Trick f53622e129 indvars test case for r135558.
llvm-svn: 135559
2011-07-20 02:14:37 +00:00
Andrew Trick c5dd3e976a indvars -disable-iv-rewrite fix: derived GEP IVs
llvm-svn: 135558
2011-07-20 02:08:58 +00:00
Andrew Trick 3239055dee indvars -disable-iv-rewrite: Added SimplifyCongruentIVs.
llvm-svn: 134530
2011-07-06 20:50:43 +00:00
Andrew Trick 6d12309475 indvars -disable-iv-rewrite: bug fix involving weird geps and related cleanup.
llvm-svn: 134306
2011-07-02 02:34:25 +00:00
Andrew Trick efe89ad414 indvars -disable-iv-rewrite: handle cloning binary operators that cannot overflow.
llvm-svn: 134177
2011-06-30 19:02:17 +00:00
Andrew Trick cc68605353 indvars -disable-iv-rewrite: handle an edge case involving identity phis.
llvm-svn: 134124
2011-06-30 01:27:23 +00:00
Andrew Trick ecdd6e4c67 indvars -disable-iv-rewrite: insert new trunc instructions carefully.
llvm-svn: 134112
2011-06-29 23:03:57 +00:00
Andrew Trick efe2b1963d indvars -disable-iv-rewrite: just because SCEV ignores casts doesn't
mean they can be removed.

llvm-svn: 134054
2011-06-29 03:13:40 +00:00
Andrew Trick eb3c36e69c indvars: fixed IV cloning in -disable-iv-rewrite mode with associated
cleanup and overdue test cases.

llvm-svn: 132038
2011-05-25 04:42:22 +00:00