From: Krzysztof Parzyszek Date: Wed, 9 Nov 2016 17:50:46 +0000 (+0000) Subject: [Hexagon] Silence "sometimes uninitialized" warning in HexagonCopyToCombine X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=d73ad9fe7785fff340f7d0cf8f01db792f087f1e;p=llvm [Hexagon] Silence "sometimes uninitialized" warning in HexagonCopyToCombine git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@286383 91177308-0d34-0410-b5e6-96231b3b80d8 --- diff --git a/lib/Target/Hexagon/HexagonCopyToCombine.cpp b/lib/Target/Hexagon/HexagonCopyToCombine.cpp index a07cfa74f5e..36080997ec6 100644 --- a/lib/Target/Hexagon/HexagonCopyToCombine.cpp +++ b/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");