diff options
| author | Dan Gohman <gohman@apple.com> | 2009-06-19 17:33:15 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2009-06-19 17:33:15 +0000 |
| commit | 2199dbc5ff22bb2b6fbccbdafd48767efa3ee901 (patch) | |
| tree | 3df5262cdaccaa45baf17ffdce7ce9a442ce60c4 /llvm/lib/Analysis/IVUsers.cpp | |
| parent | ff967be708a32e5ca14a32e4d19ada101eded768 (diff) | |
| download | bcm5719-llvm-2199dbc5ff22bb2b6fbccbdafd48767efa3ee901.tar.gz bcm5719-llvm-2199dbc5ff22bb2b6fbccbdafd48767efa3ee901.zip | |
Don't (unconditionally) use getSCEVAtScope to simplify the step
expression in IVUsers, because in the case of a use of a non-linear
addrec outside of a loop, this causes the addrec to be evaluated as
a linear addrec.
llvm-svn: 73774
Diffstat (limited to 'llvm/lib/Analysis/IVUsers.cpp')
| -rw-r--r-- | llvm/lib/Analysis/IVUsers.cpp | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/llvm/lib/Analysis/IVUsers.cpp b/llvm/lib/Analysis/IVUsers.cpp index 0bacc394436..6a53a83665c 100644 --- a/llvm/lib/Analysis/IVUsers.cpp +++ b/llvm/lib/Analysis/IVUsers.cpp @@ -112,7 +112,6 @@ static bool getSCEVStartAndStride(const SCEVHandle &SH, Loop *L, Loop *UseLoop, SCEVHandle AddRecStart = AddRec->getStart(); AddRecStart = SE->getSCEVAtScope(AddRecStart, UseLoop); SCEVHandle AddRecStride = AddRec->getStepRecurrence(*SE); - AddRecStride = SE->getSCEVAtScope(AddRecStride, UseLoop); // FIXME: If Start contains an SCEVAddRecExpr from a different loop, other // than an outer loop of the current loop, reject it. LSR has no concept of |
