Remove unnecessary default cases in switches that cover all enum values.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@147855 91177308-0d34-0410-b5e6-96231b3b80d8

10 files changed, 0 insertions, 24 deletions

diff --git a/lib/CodeGen/GCMetadata.cpp b/lib/CodeGen/GCMetadata.cpp
index 0281d05..45a64d2 100644
--- a/lib/CodeGen/GCMetadata.cpp
+++ b/lib/CodeGen/GCMetadata.cpp
@@ -143,7 +143,6 @@ void Printer::getAnalysisUsage(AnalysisUsage &AU) const {
 
 static const char *DescKind(GC::PointKind Kind) {
   switch (Kind) {
-    default: llvm_unreachable("Unknown GC point kind");
     case GC::Loop:     return "loop";
     case GC::Return:   return "return";
     case GC::PreCall:  return "pre-call";
diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp
index abafc3f..28c63a7 100644
--- a/lib/CodeGen/LLVMTargetMachine.cpp
+++ b/lib/CodeGen/LLVMTargetMachine.cpp
@@ -92,7 +92,6 @@ AsmVerbose("asm-verbose", cl::desc("Add comments to directives."),
 
 static bool getVerboseAsm() {
   switch (AsmVerbose) {
-  default:
   case cl::BOU_UNSET: return TargetMachine::getAsmVerbosityDefault();
   case cl::BOU_TRUE:  return true;
   case cl::BOU_FALSE: return false;
@@ -141,7 +140,6 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
   OwningPtr<MCStreamer> AsmStreamer;
 
   switch (FileType) {
-  default: return true;
   case CGFT_AssemblyFile: {
     MCInstPrinter *InstPrinter =
       getTarget().createMCInstPrinter(MAI.getAssemblerDialect(), MAI, STI);
diff --git a/lib/CodeGen/MachineInstr.cpp b/lib/CodeGen/MachineInstr.cpp
index ec5a1cd..f7a0e10 100644
--- a/lib/CodeGen/MachineInstr.cpp
+++ b/lib/CodeGen/MachineInstr.cpp
@@ -192,7 +192,6 @@ bool MachineOperand::isIdenticalTo(const MachineOperand &Other) const {
     return false;
 
   switch (getType()) {
-  default: llvm_unreachable("Unrecognized operand type");
   case MachineOperand::MO_Register:
     return getReg() == Other.getReg() && isDef() == Other.isDef() &&
            getSubReg() == Other.getSubReg();
@@ -332,8 +331,6 @@ void MachineOperand::print(raw_ostream &OS, const TargetMachine *TM) const {
   case MachineOperand::MO_MCSymbol:
     OS << "<MCSym=" << *getMCSymbol() << '>';
     break;
-  default:
-    llvm_unreachable("Unrecognized operand type");
   }
 
   if (unsigned TF = getTargetFlags())
diff --git a/lib/CodeGen/ScoreboardHazardRecognizer.cpp b/lib/CodeGen/ScoreboardHazardRecognizer.cpp
index b80c01e..3d22035 100644
--- a/lib/CodeGen/ScoreboardHazardRecognizer.cpp
+++ b/lib/CodeGen/ScoreboardHazardRecognizer.cpp
@@ -140,8 +140,6 @@ ScoreboardHazardRecognizer::getHazardType(SUnit *SU, int Stalls) {
 
       unsigned freeUnits = IS->getUnits();
       switch (IS->getReservationKind()) {
-      default:
-       assert(0 && "Invalid FU reservation");
       case InstrStage::Required:
         // Required FUs conflict with both reserved and required ones
         freeUnits &= ~ReservedScoreboard[StageCycle];
@@ -194,8 +192,6 @@ void ScoreboardHazardRecognizer::EmitInstruction(SUnit *SU) {
 
       unsigned freeUnits = IS->getUnits();
       switch (IS->getReservationKind()) {
-      default:
-       assert(0 && "Invalid FU reservation");
       case InstrStage::Required:
         // Required FUs conflict with both reserved and required ones
         freeUnits &= ~ReservedScoreboard[cycle + i];
diff --git a/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
index b16c4ce..5c56e47 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
@@ -212,9 +212,6 @@ SDValue DAGTypeLegalizer::PromoteIntRes_BITCAST(SDNode *N) {
   DebugLoc dl = N->getDebugLoc();
 
   switch (getTypeAction(InVT)) {
-  default:
-    assert(false && "Unknown type action!");
-    break;
   case TargetLowering::TypeLegal:
     break;
   case TargetLowering::TypePromoteInteger:
diff --git a/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
index 04a6a4a..843ee2d 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
@@ -222,8 +222,6 @@ bool DAGTypeLegalizer::run() {
     for (unsigned i = 0, NumResults = N->getNumValues(); i < NumResults; ++i) {
       EVT ResultVT = N->getValueType(i);
       switch (getTypeAction(ResultVT)) {
-      default:
-        assert(false && "Unknown action!");
       case TargetLowering::TypeLegal:
         break;
       // The following calls must take care of *all* of the node's results,
@@ -275,8 +273,6 @@ ScanOperands:
 
       EVT OpVT = N->getOperand(i).getValueType();
       switch (getTypeAction(OpVT)) {
-      default:
-        assert(false && "Unknown action!");
       case TargetLowering::TypeLegal:
         continue;
       // The following calls must either replace all of the node's results
diff --git a/lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp b/lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp
index 7c5472b..a8ff7c6 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeTypesGeneric.cpp
@@ -45,8 +45,6 @@ void DAGTypeLegalizer::ExpandRes_BITCAST(SDNode *N, SDValue &Lo, SDValue &Hi) {
 
   // Handle some special cases efficiently.
   switch (getTypeAction(InVT)) {
-    default:
-      assert(false && "Unknown type action!");
     case TargetLowering::TypeLegal:
     case TargetLowering::TypePromoteInteger:
       break;
diff --git a/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp b/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
index 6b267c3..6aecca9 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
@@ -1565,9 +1565,6 @@ SDValue DAGTypeLegalizer::WidenVecRes_BITCAST(SDNode *N) {
   DebugLoc dl = N->getDebugLoc();
 
   switch (getTypeAction(InVT)) {
-  default:
-    assert(false && "Unknown type action!");
-    break;
   case TargetLowering::TypeLegal:
     break;
   case TargetLowering::TypePromoteInteger:
diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 9d7a41d..8ed1351 100644
--- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -3006,7 +3006,6 @@ TargetLowering::AsmOperandInfoVector TargetLowering::ParseConstraints(
 /// is.
 static unsigned getConstraintGenerality(TargetLowering::ConstraintType CT) {
   switch (CT) {
-  default: llvm_unreachable("Unknown constraint type!");
   case TargetLowering::C_Other:
   case TargetLowering::C_Unknown:
     return 0;
diff --git a/lib/CodeGen/Spiller.cpp b/lib/CodeGen/Spiller.cpp
index 09fc83b..ec44d87 100644
--- a/lib/CodeGen/Spiller.cpp
+++ b/lib/CodeGen/Spiller.cpp
@@ -191,7 +191,6 @@ llvm::Spiller* llvm::createSpiller(MachineFunctionPass &pass,
                                    MachineFunction &mf,
                                    VirtRegMap &vrm) {
   switch (spillerOpt) {
-  default: assert(0 && "unknown spiller");
   case trivial: return new TrivialSpiller(pass, mf, vrm);
   case inline_: return createInlineSpiller(pass, mf, vrm);
   }