diff options
| author | Andrew Trick <atrick@apple.com> | 2012-06-15 20:07:26 +0000 |
|---|---|---|
| committer | Andrew Trick <atrick@apple.com> | 2012-06-15 20:07:26 +0000 |
| commit | 546f2101152f75c8d84115f6a6b2f3c16389b1ac (patch) | |
| tree | ab4dc83a64871d220dfd0b90b872722ec29ad821 /lib/Transforms/Scalar/LoopStrengthReduce.cpp | |
| parent | 4b8e1fd054f88b443c4983c7c8b9f2e1f22e3686 (diff) | |
LSR fix: "Special" users are just like "Basic" users but allow -1 scale.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158536 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/Scalar/LoopStrengthReduce.cpp')
| -rw-r--r-- | lib/Transforms/Scalar/LoopStrengthReduce.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/lib/Transforms/Scalar/LoopStrengthReduce.cpp index 94c229a8e2..963811ee27 100644 --- a/lib/Transforms/Scalar/LoopStrengthReduce.cpp +++ b/lib/Transforms/Scalar/LoopStrengthReduce.cpp @@ -1308,8 +1308,8 @@ static bool isLegalUse(const TargetLowering::AddrMode &AM, return !AM.BaseGV && AM.Scale == 0 && AM.BaseOffs == 0; case LSRUse::Special: - // Only handle -1 scales, or no scale. - return AM.Scale == 0 || AM.Scale == -1; + // Special case Basic to handle -1 scales. + return !AM.BaseGV && (AM.Scale == 0 || AM.Scale == -1) && AM.BaseOffs == 0; } llvm_unreachable("Invalid LSRUse Kind!"); |