Commit Graph

4 Commits

Author SHA1 Message Date
Andrew Trick bc6de90a5f LSR: rewrite inner loops only.
Rewriting the entire loop nest now requires -enable-lsr-nested.
See PR11035 for some performance data.
A few unit tests specifically test nested LSR, and are now under a flag.

llvm-svn: 140762
2011-09-29 01:33:38 +00:00
Chandler Carruth abd8a8f3ae FileCheck-ize, tightening checks and avoiding a temporary file.
llvm-svn: 134341
2011-07-02 20:42:42 +00:00
Dan Gohman 40503396da Eliminate more uses of llvm-as and llvm-dis.
llvm-svn: 81290
2009-09-08 23:54:48 +00:00
Dan Gohman e99f98262c Permit ChangeCompareStride to rewrite a comparison when the factor
between the comparison's iv stride and the candidate stride is
exactly -1.

llvm-svn: 70244
2009-04-27 20:35:32 +00:00