Added LLVM_FALLTHROUGH to address warning: this statement may fall through. NFC.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304636 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Transforms/Vectorize/LoopVectorize.cpp b/lib/Transforms/Vectorize/LoopVectorize.cpp
index 8b9a64c220ccd9d558ce1ce28a193ae36515d81f..799eef21dc4ea4e6ac7bf2489161113048bcf34d 100644 (file)
--- a/lib/Transforms/Vectorize/LoopVectorize.cpp
+++ b/lib/Transforms/Vectorize/LoopVectorize.cpp
@@ -4779,6 +4779,7 @@ void InnerLoopVectorizer::vectorizeInstruction(Instruction &I) {
       scalarizeInstruction(&I, true);
       break;
     }
+    LLVM_FALLTHROUGH;
   case Instruction::Add:
   case Instruction::FAdd:
   case Instruction::Sub:
@@ -7396,6 +7397,7 @@ unsigned LoopVectorizationCostModel::getInstructionCost(Instruction *I,
       // likely.
       return Cost / getReciprocalPredBlockProb();
     }
+    LLVM_FALLTHROUGH;
   case Instruction::Add:
   case Instruction::FAdd:
   case Instruction::Sub:

diff --git a/lib/Transforms/Vectorize/SLPVectorizer.cpp b/lib/Transforms/Vectorize/SLPVectorizer.cpp
index 7329bad1961bed433d4eb81c1f0d765dd94c48b2..d1349535f2982fa98f669a7c86f97c4f4033bb14 100644 (file)
--- a/lib/Transforms/Vectorize/SLPVectorizer.cpp
+++ b/lib/Transforms/Vectorize/SLPVectorizer.cpp
@@ -259,6 +259,7 @@ static bool InTreeUserNeedToExtract(Value *Scalar, Instruction *UserInst,
     if (hasVectorInstrinsicScalarOpd(ID, 1)) {
       return (CI->getArgOperand(1) == Scalar);
     }
+    LLVM_FALLTHROUGH;
   }
   default:
     return false;