From: Matt Arsenault <Matthew.Arsenault@amd.com>
Date: Mon, 24 Jun 2019 16:16:16 +0000 (+0000)
Subject: ARC: Fix -Wimplicit-fallthrough
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=bc1fbc218397d7550e6e9c46d7ab7e2567518363;p=llvm

ARC: Fix -Wimplicit-fallthrough

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@364195 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/ARC/ARCRegisterInfo.cpp b/lib/Target/ARC/ARCRegisterInfo.cpp
index 21f7110a904..9c8340ac8f8 100644
--- a/lib/Target/ARC/ARCRegisterInfo.cpp
+++ b/lib/Target/ARC/ARCRegisterInfo.cpp
@@ -82,9 +82,11 @@ static void ReplaceFrameIndex(MachineBasicBlock::iterator II,
   switch (MI.getOpcode()) {
   case ARC::LD_rs9:
     assert((Offset % 4 == 0) && "LD needs 4 byte alignment.");
+    LLVM_FALLTHROUGH;
   case ARC::LDH_rs9:
   case ARC::LDH_X_rs9:
     assert((Offset % 2 == 0) && "LDH needs 2 byte alignment.");
+    LLVM_FALLTHROUGH;
   case ARC::LDB_rs9:
   case ARC::LDB_X_rs9:
     LLVM_DEBUG(dbgs() << "Building LDFI\n");
@@ -95,8 +97,10 @@ static void ReplaceFrameIndex(MachineBasicBlock::iterator II,
     break;
   case ARC::ST_rs9:
     assert((Offset % 4 == 0) && "ST needs 4 byte alignment.");
+    LLVM_FALLTHROUGH;
   case ARC::STH_rs9:
     assert((Offset % 2 == 0) && "STH needs 2 byte alignment.");
+    LLVM_FALLTHROUGH;
   case ARC::STB_rs9:
     LLVM_DEBUG(dbgs() << "Building STFI\n");
     BuildMI(MBB, II, dl, TII.get(MI.getOpcode()))