[llvm] r364195 - ARC: Fix -Wimplicit-fallthrough

[Matt Arsenault via llvm-commits]

Author: arsenm
Date: Mon Jun 24 09:16:16 2019
New Revision: 364195

URL: http://llvm.org/viewvc/llvm-project?rev=364195&view=rev
Log:
ARC: Fix -Wimplicit-fallthrough

Modified:
    llvm/trunk/lib/Target/ARC/ARCRegisterInfo.cpp

Modified: llvm/trunk/lib/Target/ARC/ARCRegisterInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/ARC/ARCRegisterInfo.cpp?rev=364195&r1=364194&r2=364195&view=diff
==============================================================================
--- llvm/trunk/lib/Target/ARC/ARCRegisterInfo.cpp (original)
+++ llvm/trunk/lib/Target/ARC/ARCRegisterInfo.cpp Mon Jun 24 09:16:16 2019
@@ -82,9 +82,11 @@ static void ReplaceFrameIndex(MachineBas
   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(MachineBas
     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()))