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[oota-llvm.git] / include / llvm / Analysis / VectorUtils.h

diff --git a/include/llvm/Analysis/VectorUtils.h b/include/llvm/Analysis/VectorUtils.h
index d8e9ca42e62328212b25a3c8cbacc74f5e410246..125a56a530bc0ea10202eb0690200889a45a46d7 100644 (file)
--- a/include/llvm/Analysis/VectorUtils.h
+++ b/include/llvm/Analysis/VectorUtils.h
@@ -62,8 +62,8 @@ Intrinsic::ID getIntrinsicIDForCall(CallInst *CI, const TargetLibraryInfo *TLI);
 /// 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 
+/// \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);
 
@@ -79,6 +79,11 @@ Value *getStrideFromPointer(Value *Ptr, ScalarEvolution *SE, Loop *Lp);
 /// from the vector.
 Value *findScalarElement(Value *V, unsigned EltNo);
 
+/// \brief Get splat value if the input is a splat vector or return nullptr.
+/// The value may be extracted from a splat constants vector or from
+/// a sequence of instructions that broadcast a single value into a vector.
+Value *getSplatValue(Value *V);
+
 } // llvm namespace
 
 #endif