diff options
Diffstat (limited to 'include/llvm/Analysis/VectorUtils.h')
| -rw-r--r-- | include/llvm/Analysis/VectorUtils.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/include/llvm/Analysis/VectorUtils.h b/include/llvm/Analysis/VectorUtils.h index aa538ec..d8e9ca4 100644 --- a/include/llvm/Analysis/VectorUtils.h +++ b/include/llvm/Analysis/VectorUtils.h @@ -20,6 +20,12 @@ namespace llvm { +class GetElementPtrInst; +class Loop; +class ScalarEvolution; +class Type; +class Value; + /// \brief Identify if the intrinsic is trivially vectorizable. /// This method returns true if the intrinsic's argument types are all /// scalars for the scalar form of the intrinsic and all vectors for @@ -51,6 +57,28 @@ Intrinsic::ID checkBinaryFloatSignature(const CallInst &I, /// its intrinsic ID, in case it does not found it return not_intrinsic. Intrinsic::ID getIntrinsicIDForCall(CallInst *CI, const TargetLibraryInfo *TLI); +/// \brief Find the operand of the GEP that should be checked for consecutive +/// stores. This ignores trailing indices that have no effect on the final +/// pointer. +unsigned getGEPInductionOperand(const GetElementPtrInst *Gep); + +/// \brief If the argument is a GEP, then returns the operand identified by +/// getGEPInductionOperand. However, if there is some other non-loop-invariant +/// operand, it returns that instead. +Value *stripGetElementPtr(Value *Ptr, ScalarEvolution *SE, Loop *Lp); + +/// \brief If a value has only one user that is a CastInst, return it. +Value *getUniqueCastUse(Value *Ptr, Loop *Lp, Type *Ty); + +/// \brief Get the stride of a pointer access in a loop. Looks for symbolic +/// strides "a[i*stride]". Returns the symbolic stride, or null otherwise. +Value *getStrideFromPointer(Value *Ptr, ScalarEvolution *SE, Loop *Lp); + +/// \brief Given a vector and an element number, see if the scalar value is +/// already around as a register, for example if it were inserted then extracted +/// from the vector. +Value *findScalarElement(Value *V, unsigned EltNo); + } // llvm namespace #endif |
