Index: lib/Target/AArch64/AArch64Subtarget.cpp
===================================================================
--- lib/Target/AArch64/AArch64Subtarget.cpp
+++ lib/Target/AArch64/AArch64Subtarget.cpp
@@ -130,7 +130,9 @@
     break;
   case CortexA35: break;
   case CortexA53: break;
-  case CortexA72: break;
+  case CortexA72:
+    PrefFunctionAlignment = 4;
+    break;
   case CortexA73: break;
   case Others: break;
   }
Index: test/CodeGen/AArch64/preferred-function-alignment.ll
===================================================================
--- test/CodeGen/AArch64/preferred-function-alignment.ll
+++ test/CodeGen/AArch64/preferred-function-alignment.ll
@@ -4,6 +4,7 @@
 ; RUN: llc -mtriple=aarch64-unknown-linux -mcpu=thunderxt83 < %s | FileCheck --check-prefix=ALIGN3 %s
 ; RUN: llc -mtriple=aarch64-unknown-linux -mcpu=thunderxt88 < %s | FileCheck --check-prefix=ALIGN3 %s
 ; RUN: llc -mtriple=aarch64-unknown-linux -mcpu=thunderx2t99 < %s | FileCheck --check-prefix=ALIGN3 %s
+; RUN: llc -mtriple=aarch64-unknown-linux -mcpu=cortex-a72 < %s | FileCheck --check-prefix=ALIGN4 %s
 ; RUN: llc -mtriple=aarch64-unknown-linux -mcpu=exynos-m1 < %s | FileCheck --check-prefix=ALIGN4 %s
 
 define void @test() {