1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86TargetMachine.cpp b/llvm/lib/Target/X86/X86TargetMachine.cpp
index 5de3b8a992e..b76e8c20409 100644
--- a/llvm/lib/Target/X86/X86TargetMachine.cpp
+++ b/llvm/lib/Target/X86/X86TargetMachine.cpp
@@ -54,6 +54,10 @@ static cl::opt<bool> EnableMachineCombinerPass("x86-machine-combiner",
                                cl::desc("Enable the machine combiner pass"),
                                cl::init(true), cl::Hidden);
 
+static cl::opt<bool> EnableSpeculativeLoadHardening(
+    "x86-speculative-load-hardening",
+    cl::desc("Enable speculative load hardening"), cl::init(false), cl::Hidden);
+
 namespace llvm {
 
 void initializeWinEHStatePassPass(PassRegistry &);
@@ -463,6 +467,9 @@ void X86PassConfig::addPreRegAlloc() {
     addPass(createX86AvoidStoreForwardingBlocks());
   }
 
+  if (EnableSpeculativeLoadHardening)
+    addPass(createX86SpeculativeLoadHardeningPass());
+
   addPass(createX86FlagsCopyLoweringPass());
   addPass(createX86WinAllocaExpander());
 }