diff --git a/llvm/lib/CodeGen/MachineInstr.cpp b/llvm/lib/CodeGen/MachineInstr.cpp
index 8ad9245a47684..37e5c517d24d8 100644
--- a/llvm/lib/CodeGen/MachineInstr.cpp
+++ b/llvm/lib/CodeGen/MachineInstr.cpp
@@ -1547,10 +1547,14 @@ bool MachineInstr::mayAlias(BatchAAResults *AA, const MachineInstr &Other,
 
   // Check each pair of memory operands from both instructions, which can't
   // alias only if all pairs won't alias.
-  for (auto *MMOa : memoperands())
-    for (auto *MMOb : Other.memoperands())
+  for (auto *MMOa : memoperands()) {
+    for (auto *MMOb : Other.memoperands()) {
+      if (!MMOa->isStore() && !MMOb->isStore())
+        continue;
       if (MemOperandsHaveAlias(MFI, AA, UseTBAA, MMOa, MMOb))
         return true;
+    }
+  }
 
   return false;
 }
diff --git a/llvm/test/CodeGen/SystemZ/vec-load-element.ll b/llvm/test/CodeGen/SystemZ/vec-load-element.ll
index 2baaed19546df..9bef279d7c0fa 100644
--- a/llvm/test/CodeGen/SystemZ/vec-load-element.ll
+++ b/llvm/test/CodeGen/SystemZ/vec-load-element.ll
@@ -5,8 +5,8 @@
 ; CHECK-LABEL: .LBB0_1:
 ; CHECK-NOT: l %r
 ; CHECK-NOT: vlvgf
-; CHECK: pfd
-; CHECK: vlef
+; CHECK-DAG: pfd
+; CHECK-DAG: vlef
 
 %type0 = type { i32, [400 x i8], i32, i32, i32, i32, i32, i32, i32, i32, i32, i32 }
 @Mem = external global [150 x %type0], align 4