[Hexagon] Fix some more -Wimplicit-fallthrough warnings. NFCI.
llvm-svn: 307395
diff --git a/llvm/lib/Target/Hexagon/HexagonSplitDouble.cpp b/llvm/lib/Target/Hexagon/HexagonSplitDouble.cpp
index db268b7..4fa929a 100644
--- a/llvm/lib/Target/Hexagon/HexagonSplitDouble.cpp
+++ b/llvm/lib/Target/Hexagon/HexagonSplitDouble.cpp
@@ -350,6 +350,8 @@
MI->getOperand(2).getImm());
case Hexagon::A4_combineri:
ImmX++;
+ // Fall through into A4_combineir.
+ LLVM_FALLTHROUGH;
case Hexagon::A4_combineir: {
ImmX++;
int64_t V = MI->getOperand(ImmX).getImm();