Andrew Trick
f21bdf4f42
Rename -disable-iv-rewrite to -enable-iv-rewrite=false in preparation for default change.
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139517 91177308-0d34-0410-b5e6-96231b3b80d8
2011-09-12 18:28:44 +00:00
Andrew Trick
98c521ceba
Test case pasto (failed when run with IR verifier).
...
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132516 91177308-0d34-0410-b5e6-96231b3b80d8
2011-06-02 23:57:27 +00:00
Andrew Trick
b1ce4c09dd
scev: Better sign-extend removal. Normalize postincrement recurrences
...
so that their sign extended forms are congruent when no overflow occurs.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132360 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-31 21:17:47 +00:00
Andrew Trick
fcdc9a44e5
indvars: incremental fixes for -disable-iv-rewrite and testcases.
...
Use a proper worklist for use-def traversal without holding onto an
iterator. Now that we process all IV uses, we need complete logic for
resusing existing derived IV defs. See HoistStep.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132103 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-26 00:46:11 +00:00
Andrew Trick
03d3d3b361
indvars: fixed IV cloning in -disable-iv-rewrite mode with associated
...
cleanup and overdue test cases.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@132038 91177308-0d34-0410-b5e6-96231b3b80d8
2011-05-25 04:42:22 +00:00
