Index: llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
===================================================================
--- llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
+++ llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
@@ -517,8 +517,6 @@
   MaskAndBranchFoldingIsLegal = true;
   EnableExtLdPromotion = true;
 
-  setMinFunctionAlignment(2);
-
   setHasExtractBitsInsn(true);
 
   setOperationAction(ISD::INTRINSIC_WO_CHAIN, MVT::Other, Custom);
@@ -635,6 +633,17 @@
   }
 
   PredictableSelectIsExpensive = Subtarget->predictableSelectIsExpensive();
+
+  setMinFunctionAlignment(2);
+
+  // Set preferred alignments.
+  switch (Subtarget->getProcFamily()) {
+  default: break;
+  case AArch64Subtarget::ExynosM1:
+    setPrefFunctionAlignment(4);
+    setPrefLoopAlignment(3);
+    break;
+  }
 }
 
 void AArch64TargetLowering::addTypeForNEON(MVT VT, MVT PromotedBitwiseVT) {