vendor/llvm/llvm-trunk-r351319

1 files changed, 20 insertions, 0 deletions

diff --git a/lib/Transforms/Vectorize/VPlanValue.h b/lib/Transforms/Vectorize/VPlanValue.h
index 08f142915b49..b473579b699f 100644
--- a/lib/Transforms/Vectorize/VPlanValue.h
+++ b/lib/Transforms/Vectorize/VPlanValue.h
@@ -38,6 +38,10 @@ class VPUser;
 // and live-outs which the VPlan will need to fix accordingly.
 class VPValue {
   friend class VPBuilder;
+  friend class VPlanHCFGTransforms;
+  friend class VPBasicBlock;
+  friend class VPInterleavedAccessInfo;
+
 private:
   const unsigned char SubclassID; ///< Subclass identifier (for isa/dyn_cast).
 
@@ -102,6 +106,20 @@ public:
   const_user_range users() const {
     return const_user_range(user_begin(), user_end());
   }
+
+  /// Returns true if the value has more than one unique user.
+  bool hasMoreThanOneUniqueUser() {
+    if (getNumUsers() == 0)
+      return false;
+
+    // Check if all users match the first user.
+    auto Current = std::next(user_begin());
+    while (Current != user_end() && *user_begin() == *Current)
+      Current++;
+    return Current != user_end();
+  }
+
+  void replaceAllUsesWith(VPValue *New);
 };
 
 typedef DenseMap<Value *, VPValue *> Value2VPValueTy;
@@ -147,6 +165,8 @@ public:
     return Operands[N];
   }
 
+  void setOperand(unsigned I, VPValue *New) { Operands[I] = New; }
+
   typedef SmallVectorImpl<VPValue *>::iterator operand_iterator;
   typedef SmallVectorImpl<VPValue *>::const_iterator const_operand_iterator;
   typedef iterator_range<operand_iterator> operand_range;