diff --git a/llvm/lib/Target/AArch64/MCTargetDesc/AArch64InstPrinter.cpp b/llvm/lib/Target/AArch64/MCTargetDesc/AArch64InstPrinter.cpp
--- a/llvm/lib/Target/AArch64/MCTargetDesc/AArch64InstPrinter.cpp
+++ b/llvm/lib/Target/AArch64/MCTargetDesc/AArch64InstPrinter.cpp
@@ -283,7 +283,8 @@
   }
 
   if (Opcode == AArch64::SPACE) {
-    O << '\t' << MAI.getCommentString() << " SPACE";
+    O << '\t' << MAI.getCommentString() << " SPACE "
+      << MI->getOperand(1).getImm();
     printAnnotation(O, Annot);
     return;
   }
diff --git a/llvm/test/CodeGen/AArch64/space.ll b/llvm/test/CodeGen/AArch64/space.ll
--- a/llvm/test/CodeGen/AArch64/space.ll
+++ b/llvm/test/CodeGen/AArch64/space.ll
@@ -8,7 +8,7 @@
   %dummy = tail call i64 @llvm.aarch64.space(i32 32684, i64 %v)
   ret void
 }
-; CHECK: // SPACE
+; CHECK: // SPACE 32684
 ; CHECK-NEXT: ret
 ; DUMP-LABEL: <f>:
 ; DUMP-NEXT: ret