diff options
| -rw-r--r-- | lib/Transforms/Scalar/LoopStrengthReduce.cpp | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/lib/Transforms/Scalar/LoopStrengthReduce.cpp index a059580172..c89a4968c0 100644 --- a/lib/Transforms/Scalar/LoopStrengthReduce.cpp +++ b/lib/Transforms/Scalar/LoopStrengthReduce.cpp @@ -239,7 +239,7 @@ private: SCEVExpander &PreheaderRewriter); void StrengthReduceStridedIVUsers(const SCEVHandle &Stride, IVUsersOfOneStride &Uses, - Loop *L, bool isOnlyStride); + Loop *L); void DeleteTriviallyDeadInstructions(); }; } @@ -1786,11 +1786,10 @@ static bool IsImmFoldedIntoAddrMode(GlobalValue *GV, int64_t Offset, /// StrengthReduceStridedIVUsers - Strength reduce all of the users of a single /// stride of IV. All of the users may have different starting values, and this -/// may not be the only stride (we know it is if isOnlyStride is true). +/// may not be the only stride. void LoopStrengthReduce::StrengthReduceStridedIVUsers(const SCEVHandle &Stride, IVUsersOfOneStride &Uses, - Loop *L, - bool isOnlyStride) { + Loop *L) { // If all the users are moved to another stride, then there is nothing to do. if (Uses.Users.empty()) return; @@ -2627,10 +2626,6 @@ bool LoopStrengthReduce::runOnLoop(Loop *L, LPPassManager &LPM) { // Need to be careful that IV's are all the same type. Only works for // intptr_t indvars. - // If we only have one stride, we can more aggressively eliminate some - // things. - bool HasOneStride = IVUsesByStride.size() == 1; - // IVsByStride keeps IVs for one particular loop. assert(IVsByStride.empty() && "Stale entries in IVsByStride?"); @@ -2646,7 +2641,7 @@ bool LoopStrengthReduce::runOnLoop(Loop *L, LPPassManager &LPM) { std::map<SCEVHandle, IVUsersOfOneStride>::iterator SI = IVUsesByStride.find(StrideOrder[Stride]); assert(SI != IVUsesByStride.end() && "Stride doesn't exist!"); - StrengthReduceStridedIVUsers(SI->first, SI->second, L, HasOneStride); + StrengthReduceStridedIVUsers(SI->first, SI->second, L); } } |