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

80 col. comment. 

llvm-svn: 198653
This commit is contained in:
Andrew Trick 2014-01-07 01:02:52 +00:00
parent f1a66de5b9
commit b70d9780ac
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
View File

@ -1827,8 +1827,8 @@ bool IndVarSimplify::runOnLoop(Loop *L, LPPassManager &LPM) {
// Check preconditions for proper SCEVExpander operation. SCEV does not
// express SCEVExpander's dependencies, such as LoopSimplify. Instead any
// pass that uses the SCEVExpander must do it. This does not work well for
// loop passes because SCEVExpander makes assumptions about all loops, while
// LoopPassManager only forces the current loop to be simplified.
// loop passes because SCEVExpander makes assumptions about all loops,
// while LoopPassManager only forces the current loop to be simplified.
//
// FIXME: SCEV expansion has no way to bail out, so the caller must
// explicitly check any assumptions made by SCEV. Brittle.