maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

AssumptionCache: Update documentation comment. 

The comment was somewhat misleading in that it implied that passes were not
responsible for adding new assumptions to the assumption cache. This new
wording now explicitly mentions that they are required to do so.

Differential Revision: https://reviews.llvm.org/D29977

llvm-svn: 295148
This commit is contained in:
Peter Collingbourne 2017-02-15 03:50:01 +00:00
parent 650e5b28d2
commit 96e36a67ed
1 changed files with 4 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
llvm/include/llvm/Analysis/AssumptionCache.h
View File

@ -31,11 +31,10 @@ namespace llvm {
/// \brief A cache of @llvm.assume calls within a function.
///
/// This cache provides fast lookup of assumptions within a function by caching
/// them and amortizing the cost of scanning for them across all queries. The
/// cache is also conservatively self-updating so that it will never return
/// incorrect results about a function even as the function is being mutated.
/// However, flushing the cache and rebuilding it (or explicitly updating it)
/// may allow it to discover new assumptions.
/// them and amortizing the cost of scanning for them across all queries. Passes
/// that create new assumptions are required to call registerAssumption() to
/// register any new @llvm.assume calls that they create. Deletions of
/// @llvm.assume calls do not require special handling.
class AssumptionCache {
/// \brief The function for which this cache is handling assumptions.
///