llvm-project

Commit Graph

Author	SHA1	Message	Date
Florian Hahn	c6296fea3f	[LoopInterchange] Incrementally update the dominator tree. We can use incremental dominator tree updates to avoid re-calculating the dominator tree after interchanging 2 loops. Reviewers: dmgreen, kuhar Reviewed By: kuhar Differential Revision: https://reviews.llvm.org/D43176 llvm-svn: 325122	2018-02-14 13:13:15 +00:00
David Green	907b60fbba	[LoopInterchange] Fix phi node ordering miscompile. The way that splitInnerLoopHeader splits blocks requires that the induction PHI will be the first PHI in the inner loop header. This makes sure that is actually the case when there are both IV and reduction phis. Differential Revision: https://reviews.llvm.org/D38682 llvm-svn: 316261	2017-10-21 13:58:37 +00:00

Author

SHA1

Message

Date

Florian Hahn

c6296fea3f

[LoopInterchange] Incrementally update the dominator tree.

We can use incremental dominator tree updates to avoid re-calculating
the dominator tree after interchanging 2 loops.

Reviewers: dmgreen, kuhar

Reviewed By: kuhar

Differential Revision: https://reviews.llvm.org/D43176

llvm-svn: 325122

2018-02-14 13:13:15 +00:00

David Green

907b60fbba

[LoopInterchange] Fix phi node ordering miscompile.

The way that splitInnerLoopHeader splits blocks requires that
the induction PHI will be the first PHI in the inner loop
header. This makes sure that is actually the case when there
are both IV and reduction phis.

Differential Revision: https://reviews.llvm.org/D38682

llvm-svn: 316261

2017-10-21 13:58:37 +00:00

2 Commits