| commit | 61519cd69995d24d592468dc628470d1ba3cfa72 | [log] [tgz] |
|---|---|---|
| author | Jiangning Liu <jiangning.liu@arm.com> | Fri Sep 19 05:30:35 2014 +0000 |
| committer | Jiangning Liu <jiangning.liu@arm.com> | Fri Sep 19 05:30:35 2014 +0000 |
| tree | 42cc3af6db6c666d998752f7fe3240780f9125a7 | |
| parent | a562871c6749db0e6448426882c40bc4e1346e52 [diff] |
Optimize sext/zext insertion algorithm in back-end. With this optimization, we will not always insert zext for values crossing basic blocks, but insert sext if the users of a value crossing basic block has preference of sign predicate. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@218101 91177308-0d34-0410-b5e6-96231b3b80d8