1 files changed, 7 insertions, 0 deletions
diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp
index 850eb386fb..ad2775a648 100644
--- a/lib/Target/X86/X86TargetMachine.cpp
+++ b/lib/Target/X86/X86TargetMachine.cpp
@@ -164,6 +164,13 @@ bool X86TargetMachine::addPostRegAlloc(FunctionPassManager &PM, bool Fast) {
   return true;  // -print-machineinstr should print after this.
 }
 
+bool X86TargetMachine::addPreEmitPass(FunctionPassManager &PM, bool Fast) {
+  if (Fast) return false;
+
+  PM.add(createLoopAlignerPass());
+  return true;
+}
+
 bool X86TargetMachine::addAssemblyEmitter(FunctionPassManager &PM, bool Fast, 
                                           std::ostream &Out) {
   PM.add(createX86CodePrinterPass(Out, *this));