From a233e7d7cb642ada49985426c23aa3c6a4c98690 Mon Sep 17 00:00:00 2001
From: Jinsong Ji <jji@us.ibm.com>
Date: Mon, 28 Oct 2019 15:03:07 +0000
Subject: [PATCH] [AArch64] Fix unannotated fall-through between switch labels

This is breaking buildbot with -Werror,-Wimplicit-fallthrough on.
eg:
http://lab.llvm.org:8011/builders/ppc64le-lld-multistage-test/builds/6881
---
 llvm/lib/Target/AArch64/AArch64ISelDAGToDAG.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/llvm/lib/Target/AArch64/AArch64ISelDAGToDAG.cpp b/llvm/lib/Target/AArch64/AArch64ISelDAGToDAG.cpp
index 054d0f15e0d4..4d4f76e8e912 100644
--- a/llvm/lib/Target/AArch64/AArch64ISelDAGToDAG.cpp
+++ b/llvm/lib/Target/AArch64/AArch64ISelDAGToDAG.cpp
@@ -153,6 +153,7 @@ public:
       if (auto CN = dyn_cast<ConstantFPSDNode>(Opnd0))
         if (CN->isZero())
           return true;
+      break;
     }
     default:
       break;