[LVI] Add some additional comments about caching and context instructions
authorHal Finkel <hfinkel@anl.gov>
Thu, 16 Oct 2014 00:40:05 +0000 (00:40 +0000)
committerHal Finkel <hfinkel@anl.gov>
Thu, 16 Oct 2014 00:40:05 +0000 (00:40 +0000)
commit61c65b28840b6ec4d2d8c46d28bf2513e82db664
tree37af38128efbfacbf080a3d11b6f09688a98bd35
parentcbfd91dc20d511db68b40b80d84216f33aba3789
[LVI] Add some additional comments about caching and context instructions

Philip Reames and I had a long conversation about this, mostly because it is
not obvious why the current logic is correct. Hopefully, these comments will
prevent such confusion in the future.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219882 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Analysis/LazyValueInfo.cpp