llvm-project

Commit Graph

Author	SHA1	Message	Date
Peter Collingbourne	2a3443c7c5	GVN: If a branch has two identical successors, we cannot declare either dead. This previously caused miscompilations as a result of phi nodes receiving undef incoming values from blocks dominated by such successors. Differential Revision: http://reviews.llvm.org/D10726 llvm-svn: 240670	2015-06-25 18:32:02 +00:00

Author

SHA1

Message

Date

Peter Collingbourne

2a3443c7c5

GVN: If a branch has two identical successors, we cannot declare either dead.

This previously caused miscompilations as a result of phi nodes receiving
undef incoming values from blocks dominated by such successors.

Differential Revision: http://reviews.llvm.org/D10726

llvm-svn: 240670

2015-06-25 18:32:02 +00:00

1 Commits