diff options
Diffstat (limited to 'lib/Transforms/Vectorize/LoopVectorize.h')
-rw-r--r-- | lib/Transforms/Vectorize/LoopVectorize.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/lib/Transforms/Vectorize/LoopVectorize.h b/lib/Transforms/Vectorize/LoopVectorize.h index 0e5ecabec0..38d62f1b37 100644 --- a/lib/Transforms/Vectorize/LoopVectorize.h +++ b/lib/Transforms/Vectorize/LoopVectorize.h @@ -161,6 +161,9 @@ private: /// vectors of ones and zeros for the reduction code. Constant* getUniformVector(unsigned Val, Type* ScalarTy); + /// Generate a shuffle sequence that will reverse the vector Vec. + Value *reverseVector(Value *Vec); + typedef DenseMap<Value*, Value*> ValueMap; /// The original loop. @@ -331,7 +334,11 @@ public: /// when the last index of the GEP is the induction variable, or that the /// pointer itself is an induction variable. /// This check allows us to vectorize A[idx] into a wide load/store. - bool isConsecutivePtr(Value *Ptr); + /// Returns: + /// 0 - Stride is unknown or non consecutive. + /// 1 - Address is consecutive. + /// -1 - Address is consecutive, and decreasing. + int isConsecutivePtr(Value *Ptr); /// Returns true if the value V is uniform within the loop. bool isUniform(Value *V); |