diff --git a/llvm/lib/Target/X86/X86SpeculativeExecutionSideEffectSuppression.cpp b/llvm/lib/Target/X86/X86SpeculativeExecutionSideEffectSuppression.cpp
--- a/llvm/lib/Target/X86/X86SpeculativeExecutionSideEffectSuppression.cpp
+++ b/llvm/lib/Target/X86/X86SpeculativeExecutionSideEffectSuppression.cpp
@@ -50,6 +50,11 @@
                       cl::desc("Omit all lfences before branch instructions."),
                       cl::init(false), cl::Hidden);
 
+static cl::opt<bool>
+    OmitLFENCEInBasicBlocksWithoutLoads("x86-seses-omit-lfence-in-bb-without-loads",
+                      cl::desc("Omit LFENCE in basic blocks without any loads even if there are stores."),
+                      cl::init(false), cl::Hidden);
+
 static bool hasConstantAddressingMode(const MachineInstr &MI);
 
 namespace {
@@ -81,6 +86,20 @@
   const X86Subtarget &Subtarget = MF.getSubtarget<X86Subtarget>();
   const X86InstrInfo *TII = Subtarget.getInstrInfo();
   for (MachineBasicBlock &MBB : MF) {
+    if (OmitLFENCEInBasicBlocksWithoutLoads) {
+
+      bool FoundLoad = false;
+      for (const MachineInstr &MI : MBB) {
+        if (MI.mayLoad()) {
+          FoundLoad = true;
+          break;
+        }
+      }
+      if (!FoundLoad) {
+        continue;
+      }
+    }
+
     MachineInstr *FirstTerminator = nullptr;
 
     for (auto &MI : MBB) {
diff --git a/llvm/test/CodeGen/X86/speculative-execution-side-effect-suppression-omit-lfence-in-bb-without-loads.ll b/llvm/test/CodeGen/X86/speculative-execution-side-effect-suppression-omit-lfence-in-bb-without-loads.ll
new file mode 100644
--- /dev/null
+++ b/llvm/test/CodeGen/X86/speculative-execution-side-effect-suppression-omit-lfence-in-bb-without-loads.ll
@@ -0,0 +1,41 @@
+; RUN: llc -mtriple=x86_64-unknown-linux-gnu -x86-seses-enable -x86-seses-omit-lfence-in-bb-without-loads %s -o - | FileCheck %s --check-prefix=CHECK-FLAGGED
+; RUN: llc -mtriple=x86_64-unknown-linux-gnu -x86-seses-enable %s -o - | FileCheck %s --check-prefix=CHECK-FULL
+
+define dso_local void @_Z4buzzv() {
+entry:
+  %a = alloca i32, align 4
+  store i32 10, i32* %a, align 4
+  ret void
+}
+
+; CHECK-FLAGGED: .globl _Z4buzzv                # -- Begin function _Z4buzzv
+; CHECK-FLAGGED: .p2align 4, 0x90
+; CHECK-FLAGGED: .type _Z4buzzv,@function
+; CHECK-FLAGGED:_Z4buzzv:                               # @_Z4buzzv
+; CHECK-FLAGGED:.L_Z4buzzv$local:
+; CHECK-FLAGGED: .cfi_startproc
+; CHECK-FLAGGED:# %bb.0:                                # %entry
+; CHECK-FLAGGED: movl $10, -4(%rsp)
+; CHECK-FLAGGED: retq
+; CHECK-FLAGGED:.Lfunc_end0:
+; CHECK-FLAGGED: .size _Z4buzzv, .Lfunc_end0-_Z4buzzv
+; CHECK-FLAGGED: .cfi_endproc
+; CHECK-FLAGGED:                                        # -- End function
+; CHECK-FLAGGED: .section ".note.GNU-stack","",@progbits
+
+
+; CHECK-FULL: .globl _Z4buzzv                # -- Begin function _Z4buzzv
+; CHECK-FULL: .p2align 4, 0x90
+; CHECK-FULL: .type _Z4buzzv,@function
+; CHECK-FULL:_Z4buzzv:                               # @_Z4buzzv
+; CHECK-FULL:.L_Z4buzzv$local:
+; CHECK-FULL: .cfi_startproc
+; CHECK-FULL:# %bb.0:                                # %entry
+; CHECK-FULL: lfence
+; CHECK-FULL: movl $10, -4(%rsp)
+; CHECK-FULL: retq
+; CHECK-FULL:.Lfunc_end0:
+; CHECK-FULL: .size _Z4buzzv, .Lfunc_end0-_Z4buzzv
+; CHECK-FULL: .cfi_endproc
+; CHECK-FULL:                                        # -- End function
+; CHECK-FULL: .section ".note.GNU-stack","",@progbits