diff --git a/llvm/include/llvm/IR/Metadata.h b/llvm/include/llvm/IR/Metadata.h
--- a/llvm/include/llvm/IR/Metadata.h
+++ b/llvm/include/llvm/IR/Metadata.h
@@ -56,6 +56,9 @@
 /// promoted for the instruction and shouldn't be promoted again.
 const uint64_t NOMORE_ICP_MAGICNUM = -1;
 
+/// Special metadata node name for llvm statistic.
+constexpr const char *LLVMStatsMetadataName = "llvm.stats";
+
 /// Root of the metadata hierarchy.
 ///
 /// This is a root class for typeless data in the IR.
@@ -303,7 +306,7 @@
   /// Replace all uses of this with \c MD, which is allowed to be null.
   void replaceAllUsesWith(Metadata *MD);
    /// Replace all uses of the constant with Undef in debug info metadata
-  static void SalvageDebugInfo(const Constant &C); 
+  static void SalvageDebugInfo(const Constant &C);
   /// Returns the list of all DIArgList users of this.
   SmallVector<Metadata *> getAllArgListUsers();
 
diff --git a/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp b/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
--- a/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
+++ b/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
@@ -367,7 +367,7 @@
     }
   }
 
-  if (NamedMDNode *LLVMStats = M.getNamedMetadata("llvm.stats")) {
+  if (NamedMDNode *LLVMStats = M.getNamedMetadata(LLVMStatsMetadataName)) {
     // Emit the metadata for llvm statistics into .llvm_stats section, which is
     // formatted as a list of key/value pair, the value is base64 encoded.
     auto *S = C.getObjectFileInfo()->getLLVMStatsSection();
diff --git a/llvm/lib/Linker/IRMover.cpp b/llvm/lib/Linker/IRMover.cpp
--- a/llvm/lib/Linker/IRMover.cpp
+++ b/llvm/lib/Linker/IRMover.cpp
@@ -1244,6 +1244,11 @@
                     DstM.getModuleIdentifier() + "' is not\n");
       continue;
     }
+    // The stats are computed per module and will all be merged in the binary.
+    // Importing the metadata will cause duplication of the stats.
+    if (IsPerformingImport && NMD.getName() == LLVMStatsMetadataName)
+      continue;
+
     NamedMDNode *DestNMD = DstM.getOrInsertNamedMetadata(NMD.getName());
     // Add Src elements into Dest node.
     for (const MDNode *Op : NMD.operands())
diff --git a/llvm/lib/Transforms/IPO/SampleProfile.cpp b/llvm/lib/Transforms/IPO/SampleProfile.cpp
--- a/llvm/lib/Transforms/IPO/SampleProfile.cpp
+++ b/llvm/lib/Transforms/IPO/SampleProfile.cpp
@@ -2188,7 +2188,7 @@
     ProfStatsVec.emplace_back("TotalCallsiteSamples", TotalCallsiteSamples);
 
     auto *MD = MDB.createLLVMStats(ProfStatsVec);
-    auto *NMD = M.getOrInsertNamedMetadata("llvm.stats");
+    auto *NMD = M.getOrInsertNamedMetadata(LLVMStatsMetadataName);
     NMD->addOperand(MD);
   }
 }
diff --git a/llvm/test/ThinLTO/X86/Inputs/llvm-stats-import.ll b/llvm/test/ThinLTO/X86/Inputs/llvm-stats-import.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/ThinLTO/X86/Inputs/llvm-stats-import.ll
@@ -0,0 +1,12 @@
+target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+define void @foo() {
+entry:
+  ret void
+}
+
+attributes #0 = { inaccessiblememonly nounwind willreturn }
+
+!llvm.stats = !{!0}
+!0 = !{!"foo", i64 456}
diff --git a/llvm/test/ThinLTO/X86/llvm-stats-import.ll b/llvm/test/ThinLTO/X86/llvm-stats-import.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/ThinLTO/X86/llvm-stats-import.ll
@@ -0,0 +1,28 @@
+; RUN: opt -module-summary %s -o %t1.bc
+; RUN: opt -module-summary %p/Inputs/llvm-stats-import.ll -o %t2.bc
+; RUN: llvm-lto -thinlto-action=thinlink -o %t.index.bc %t1.bc %t2.bc
+
+; RUN: llvm-lto -thinlto-action=import %t1.bc -thinlto-index=%t.index.bc -o - | llvm-dis -o - | FileCheck %s --check-prefix=CHECK-MAIN
+; RUN: llvm-lto -thinlto-action=import %t2.bc -thinlto-index=%t.index.bc -o - | llvm-dis -o - | FileCheck %s --check-prefix=CHECK-FOO
+
+; CHECK-MAIN: !0 = !{!"main", i64 123}
+; CHECK-MAIN-NOT: !{!"foo", i64 456}
+
+; CHECK-FOO: !0 = !{!"foo", i64 456}
+; CHECK-FOO-NOT: !{!"main", i64 123}
+
+target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
+target triple = "x86_64-unknown-linux-gnu"
+
+define i32 @main() {
+entry:
+  call void (...) @foo()
+  ret i32 0
+}
+
+declare void @foo(...)
+
+attributes #0 = { inaccessiblememonly nounwind willreturn }
+
+!llvm.stats = !{!0}
+!0 = !{!"main", i64 123}