diff options
Diffstat (limited to 'llvm/lib')
-rw-r--r-- | llvm/lib/Target/Hexagon/HexagonCopyToCombine.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/llvm/lib/Target/Hexagon/HexagonCopyToCombine.cpp b/llvm/lib/Target/Hexagon/HexagonCopyToCombine.cpp index a07cfa74f5e..36080997ec6 100644 --- a/llvm/lib/Target/Hexagon/HexagonCopyToCombine.cpp +++ b/llvm/lib/Target/Hexagon/HexagonCopyToCombine.cpp @@ -593,7 +593,9 @@ void HexagonCopyToCombine::combine(MachineInstr &I1, MachineInstr &I2, else SuperRC = &Hexagon::VecDblRegs128BRegClass; SubLo = Hexagon::vsub_lo; - } + } else + llvm_unreachable("Unexpected register class"); + // Get the double word register. unsigned DoubleRegDest = TRI->getMatchingSuperReg(LoRegDef, SubLo, SuperRC); assert(DoubleRegDest != 0 && "Expect a valid register"); |