diff --git a/llvm/include/llvm/Analysis/TargetTransformInfo.h b/llvm/include/llvm/Analysis/TargetTransformInfo.h
--- a/llvm/include/llvm/Analysis/TargetTransformInfo.h
+++ b/llvm/include/llvm/Analysis/TargetTransformInfo.h
@@ -39,6 +39,7 @@
 typedef unsigned ID;
 }
 
+class AllocaInst;
 class AssumptionCache;
 class BlockFrequencyInfo;
 class DominatorTree;
@@ -344,6 +345,10 @@
   /// \returns A value to be added to the inlining threshold.
   unsigned adjustInliningThreshold(const CallBase *CB) const;
 
+  /// \returns The cost of having an Alloca in the caller if not inlined, to be
+  /// added to the threshold
+  unsigned getCallerAllocaCost(const CallBase *CB, const AllocaInst *AI) const;
+
   /// \returns Vector bonus in percent.
   ///
   /// Vector bonuses: We want to more aggressively inline vector-dense kernels
@@ -1674,6 +1679,8 @@
   virtual unsigned getInliningThresholdMultiplier() const = 0;
   virtual unsigned adjustInliningThreshold(const CallBase *CB) = 0;
   virtual int getInlinerVectorBonusPercent() const = 0;
+  virtual unsigned getCallerAllocaCost(const CallBase *CB,
+                                       const AllocaInst *AI) const = 0;
   virtual InstructionCost getMemcpyCost(const Instruction *I) = 0;
   virtual unsigned
   getEstimatedNumberOfCaseClusters(const SwitchInst &SI, unsigned &JTSize,
@@ -2038,10 +2045,14 @@
   }
   unsigned adjustInliningThreshold(const CallBase *CB) override {
     return Impl.adjustInliningThreshold(CB);
-  }
+  } 
   int getInlinerVectorBonusPercent() const override {
     return Impl.getInlinerVectorBonusPercent();
   }
+  unsigned getCallerAllocaCost(const CallBase *CB,
+                               const AllocaInst *AI) const override {
+    return Impl.getCallerAllocaCost(CB, AI);
+  }
   InstructionCost getMemcpyCost(const Instruction *I) override {
     return Impl.getMemcpyCost(I);
   }
diff --git a/llvm/include/llvm/Analysis/TargetTransformInfoImpl.h b/llvm/include/llvm/Analysis/TargetTransformInfoImpl.h
--- a/llvm/include/llvm/Analysis/TargetTransformInfoImpl.h
+++ b/llvm/include/llvm/Analysis/TargetTransformInfoImpl.h
@@ -70,6 +70,9 @@
 
   unsigned getInliningThresholdMultiplier() const { return 1; }
   unsigned adjustInliningThreshold(const CallBase *CB) const { return 0; }
+  unsigned getCallerAllocaCost(const CallBase *CB, const AllocaInst *AI) const {
+    return 0;
+  };
 
   int getInlinerVectorBonusPercent() const { return 150; }
 
diff --git a/llvm/include/llvm/CodeGen/BasicTTIImpl.h b/llvm/include/llvm/CodeGen/BasicTTIImpl.h
--- a/llvm/include/llvm/CodeGen/BasicTTIImpl.h
+++ b/llvm/include/llvm/CodeGen/BasicTTIImpl.h
@@ -534,6 +534,9 @@
 
   unsigned getInliningThresholdMultiplier() const { return 1; }
   unsigned adjustInliningThreshold(const CallBase *CB) { return 0; }
+  unsigned getCallerAllocaCost(const CallBase *CB, const AllocaInst *AI) const {
+    return 0;
+  }
 
   int getInlinerVectorBonusPercent() const { return 150; }
 
diff --git a/llvm/lib/Analysis/InlineCost.cpp b/llvm/lib/Analysis/InlineCost.cpp
--- a/llvm/lib/Analysis/InlineCost.cpp
+++ b/llvm/lib/Analysis/InlineCost.cpp
@@ -717,7 +717,8 @@
   void onInitializeSROAArg(AllocaInst *Arg) override {
     assert(Arg != nullptr &&
            "Should not initialize SROA costs for null value.");
-    SROAArgCosts[Arg] = 0;
+    SROACostSavings += SROAArgCosts[Arg] =
+        TTI.getCallerAllocaCost(&CandidateCall, Arg);
   }
 
   void onAggregateSROAUse(AllocaInst *SROAArg) override {
diff --git a/llvm/lib/Analysis/TargetTransformInfo.cpp b/llvm/lib/Analysis/TargetTransformInfo.cpp
--- a/llvm/lib/Analysis/TargetTransformInfo.cpp
+++ b/llvm/lib/Analysis/TargetTransformInfo.cpp
@@ -217,6 +217,11 @@
   return TTIImpl->adjustInliningThreshold(CB);
 }
 
+unsigned TargetTransformInfo::getCallerAllocaCost(const CallBase *CB,
+                                                  const AllocaInst *AI) const {
+  return TTIImpl->getCallerAllocaCost(CB, AI);
+}
+
 int TargetTransformInfo::getInlinerVectorBonusPercent() const {
   return TTIImpl->getInlinerVectorBonusPercent();
 }