Create enums for the different attributes.

We use the enums to query whether an Attributes object has that attribute. The
opaque layer is responsible for knowing where that specific attribute is stored.

llvm-svn: 165488

11 files changed, 42 insertions, 33 deletions

diff --git a/llvm/lib/CodeGen/Analysis.cpp b/llvm/lib/CodeGen/Analysis.cpp
index 3549449bcee..d7214e8b58a 100644
--- a/llvm/lib/CodeGen/Analysis.cpp
+++ b/llvm/lib/CodeGen/Analysis.cpp
@@ -318,7 +318,8 @@ bool llvm::isInTailCallPosition(ImmutableCallSite CS, Attributes CalleeRetAttr,
     return false;
 
   // It's not safe to eliminate the sign / zero extension of the return value.
-  if (CallerRetAttr.hasZExtAttr() || CallerRetAttr.hasSExtAttr())
+  if (CallerRetAttr.hasAttribute(Attributes::ZExt) ||
+      CallerRetAttr.hasAttribute(Attributes::SExt))
     return false;
 
   // Otherwise, make sure the unmodified return value of I is the return value.
@@ -358,7 +359,8 @@ bool llvm::isInTailCallPosition(SelectionDAG &DAG, SDNode *Node,
     return false;
 
   // It's not safe to eliminate the sign / zero extension of the return value.
-  if (CallerRetAttr.hasZExtAttr() || CallerRetAttr.hasSExtAttr())
+  if (CallerRetAttr.hasAttribute(Attributes::ZExt) ||
+      CallerRetAttr.hasAttribute(Attributes::SExt))
     return false;
 
   // Check if the only use is a function return node.
diff --git a/llvm/lib/CodeGen/BranchFolding.cpp b/llvm/lib/CodeGen/BranchFolding.cpp
index aa2225294c7..6f4c5a2f667 100644
--- a/llvm/lib/CodeGen/BranchFolding.cpp
+++ b/llvm/lib/CodeGen/BranchFolding.cpp
@@ -571,7 +571,8 @@ static bool ProfitableToMerge(MachineBasicBlock *MBB1,
   // instructions that would be deleted in the merge.
   MachineFunction *MF = MBB1->getParent();
   if (EffectiveTailLen >= 2 &&
-      MF->getFunction()->getFnAttributes().hasOptimizeForSizeAttr() &&
+      MF->getFunction()->getFnAttributes().
+        hasAttribute(Attributes::OptimizeForSize) &&
       (I1 == MBB1->begin() || I2 == MBB2->begin()))
     return true;
 
diff --git a/llvm/lib/CodeGen/CodePlacementOpt.cpp b/llvm/lib/CodeGen/CodePlacementOpt.cpp
index 1009a1e29c5..d8e06c33a68 100644
--- a/llvm/lib/CodeGen/CodePlacementOpt.cpp
+++ b/llvm/lib/CodeGen/CodePlacementOpt.cpp
@@ -373,7 +373,7 @@ bool CodePlacementOpt::OptimizeIntraLoopEdges(MachineFunction &MF) {
 ///
 bool CodePlacementOpt::AlignLoops(MachineFunction &MF) {
   const Function *F = MF.getFunction();
-  if (F->getFnAttributes().hasOptimizeForSizeAttr())
+  if (F->getFnAttributes().hasAttribute(Attributes::OptimizeForSize))
     return false;
 
   unsigned Align = TLI->getPrefLoopAlignment();
diff --git a/llvm/lib/CodeGen/MachineBlockPlacement.cpp b/llvm/lib/CodeGen/MachineBlockPlacement.cpp
index 1f1ce671f50..cd3f19944e4 100644
--- a/llvm/lib/CodeGen/MachineBlockPlacement.cpp
+++ b/llvm/lib/CodeGen/MachineBlockPlacement.cpp
@@ -1013,7 +1013,8 @@ void MachineBlockPlacement::buildCFGChains(MachineFunction &F) {
   // exclusively on the loop info here so that we can align backedges in
   // unnatural CFGs and backedges that were introduced purely because of the
   // loop rotations done during this layout pass.
-  if (F.getFunction()->getFnAttributes().hasOptimizeForSizeAttr())
+  if (F.getFunction()->getFnAttributes().
+        hasAttribute(Attributes::OptimizeForSize))
     return;
   unsigned Align = TLI->getPrefLoopAlignment();
   if (!Align)
diff --git a/llvm/lib/CodeGen/MachineFunction.cpp b/llvm/lib/CodeGen/MachineFunction.cpp
index d4e82337260..91d52118576 100644
--- a/llvm/lib/CodeGen/MachineFunction.cpp
+++ b/llvm/lib/CodeGen/MachineFunction.cpp
@@ -59,13 +59,13 @@ MachineFunction::MachineFunction(const Function *F, const TargetMachine &TM,
     RegInfo = 0;
   MFInfo = 0;
   FrameInfo = new (Allocator) MachineFrameInfo(*TM.getFrameLowering());
-  if (Fn->getFnAttributes().hasStackAlignmentAttr())
+  if (Fn->getFnAttributes().hasAttribute(Attributes::StackAlignment))
     FrameInfo->ensureMaxAlignment(Fn->getAttributes().
                                   getFnAttributes().getStackAlignment());
   ConstantPool = new (Allocator) MachineConstantPool(TM.getDataLayout());
   Alignment = TM.getTargetLowering()->getMinFunctionAlignment();
   // FIXME: Shouldn't use pref alignment if explicit alignment is set on Fn.
-  if (!Fn->getFnAttributes().hasOptimizeForSizeAttr())
+  if (!Fn->getFnAttributes().hasAttribute(Attributes::OptimizeForSize))
     Alignment = std::max(Alignment,
                          TM.getTargetLowering()->getPrefFunctionAlignment());
   FunctionNumber = FunctionNum;
diff --git a/llvm/lib/CodeGen/PrologEpilogInserter.cpp b/llvm/lib/CodeGen/PrologEpilogInserter.cpp
index 3a4125475ee..86df0a127bf 100644
--- a/llvm/lib/CodeGen/PrologEpilogInserter.cpp
+++ b/llvm/lib/CodeGen/PrologEpilogInserter.cpp
@@ -96,7 +96,7 @@ bool PEI::runOnMachineFunction(MachineFunction &Fn) {
   placeCSRSpillsAndRestores(Fn);
 
   // Add the code to save and restore the callee saved registers
-  if (!F->getFnAttributes().hasNakedAttr())
+  if (!F->getFnAttributes().hasAttribute(Attributes::Naked))
     insertCSRSpillsAndRestores(Fn);
 
   // Allow the target machine to make final modifications to the function
@@ -111,7 +111,7 @@ bool PEI::runOnMachineFunction(MachineFunction &Fn) {
   // called functions.  Because of this, calculateCalleeSavedRegisters()
   // must be called before this function in order to set the AdjustsStack
   // and MaxCallFrameSize variables.
-  if (!F->getFnAttributes().hasNakedAttr())
+  if (!F->getFnAttributes().hasAttribute(Attributes::Naked))
     insertPrologEpilogCode(Fn);
 
   // Replace all MO_FrameIndex operands with physical register references
@@ -221,7 +221,7 @@ void PEI::calculateCalleeSavedRegisters(MachineFunction &Fn) {
     return;
 
   // In Naked functions we aren't going to save any registers.
-  if (Fn.getFunction()->getFnAttributes().hasNakedAttr())
+  if (Fn.getFunction()->getFnAttributes().hasAttribute(Attributes::Naked))
     return;
 
   std::vector<CalleeSavedInfo> CSI;
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 1d7378b5dcd..79cfcdfe0ea 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -3519,7 +3519,9 @@ static SDValue getMemcpyLoadsAndStores(SelectionDAG &DAG, DebugLoc dl,
   bool DstAlignCanChange = false;
   MachineFunction &MF = DAG.getMachineFunction();
   MachineFrameInfo *MFI = MF.getFrameInfo();
-  bool OptSize = MF.getFunction()->getFnAttributes().hasOptimizeForSizeAttr();
+  bool OptSize =
+    MF.getFunction()->getFnAttributes().
+      hasAttribute(Attributes::OptimizeForSize);
   FrameIndexSDNode *FI = dyn_cast<FrameIndexSDNode>(Dst);
   if (FI && !MFI->isFixedObjectIndex(FI->getIndex()))
     DstAlignCanChange = true;
@@ -3612,7 +3614,8 @@ static SDValue getMemmoveLoadsAndStores(SelectionDAG &DAG, DebugLoc dl,
   bool DstAlignCanChange = false;
   MachineFunction &MF = DAG.getMachineFunction();
   MachineFrameInfo *MFI = MF.getFrameInfo();
-  bool OptSize = MF.getFunction()->getFnAttributes().hasOptimizeForSizeAttr();
+  bool OptSize = MF.getFunction()->getFnAttributes().
+    hasAttribute(Attributes::OptimizeForSize);
   FrameIndexSDNode *FI = dyn_cast<FrameIndexSDNode>(Dst);
   if (FI && !MFI->isFixedObjectIndex(FI->getIndex()))
     DstAlignCanChange = true;
@@ -3690,7 +3693,8 @@ static SDValue getMemsetStores(SelectionDAG &DAG, DebugLoc dl,
   bool DstAlignCanChange = false;
   MachineFunction &MF = DAG.getMachineFunction();
   MachineFrameInfo *MFI = MF.getFrameInfo();
-  bool OptSize = MF.getFunction()->getFnAttributes().hasOptimizeForSizeAttr();
+  bool OptSize = MF.getFunction()->getFnAttributes().
+    hasAttribute(Attributes::OptimizeForSize);
   FrameIndexSDNode *FI = dyn_cast<FrameIndexSDNode>(Dst);
   if (FI && !MFI->isFixedObjectIndex(FI->getIndex()))
     DstAlignCanChange = true;
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 9c5148f0cd6..c81db1e76fa 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -1227,9 +1227,9 @@ void SelectionDAGBuilder::visitRet(const ReturnInst &I) {
         ISD::NodeType ExtendKind = ISD::ANY_EXTEND;
 
         const Function *F = I.getParent()->getParent();
-        if (F->getRetAttributes().hasSExtAttr())
+        if (F->getRetAttributes().hasAttribute(Attributes::SExt))
           ExtendKind = ISD::SIGN_EXTEND;
-        else if (F->getRetAttributes().hasZExtAttr())
+        else if (F->getRetAttributes().hasAttribute(Attributes::ZExt))
           ExtendKind = ISD::ZERO_EXTEND;
 
         if (ExtendKind != ISD::ANY_EXTEND && VT.isInteger())
@@ -1244,7 +1244,7 @@ void SelectionDAGBuilder::visitRet(const ReturnInst &I) {
 
         // 'inreg' on function refers to return value
         ISD::ArgFlagsTy Flags = ISD::ArgFlagsTy();
-        if (F->getRetAttributes().hasInRegAttr())
+        if (F->getRetAttributes().hasAttribute(Attributes::InReg))
           Flags.setInReg();
 
         // Propagate extension type if any
@@ -4400,7 +4400,7 @@ static SDValue ExpandPowI(DebugLoc DL, SDValue LHS, SDValue RHS,
       return DAG.getConstantFP(1.0, LHS.getValueType());
 
     const Function *F = DAG.getMachineFunction().getFunction();
-    if (!F->getFnAttributes().hasOptimizeForSizeAttr() ||
+    if (!F->getFnAttributes().hasAttribute(Attributes::OptimizeForSize) ||
         // If optimizing for size, don't insert too many multiplies.  This
         // inserts up to 5 multiplies.
         CountPopulation_32(Val)+Log2_32(Val) < 7) {
@@ -6700,15 +6700,15 @@ void SelectionDAGISel::LowerArguments(const BasicBlock *LLVMBB) {
       unsigned OriginalAlignment =
         TD->getABITypeAlignment(ArgTy);
 
-      if (F.getParamAttributes(Idx).hasZExtAttr())
+      if (F.getParamAttributes(Idx).hasAttribute(Attributes::ZExt))
         Flags.setZExt();
-      if (F.getParamAttributes(Idx).hasSExtAttr())
+      if (F.getParamAttributes(Idx).hasAttribute(Attributes::SExt))
         Flags.setSExt();
-      if (F.getParamAttributes(Idx).hasInRegAttr())
+      if (F.getParamAttributes(Idx).hasAttribute(Attributes::InReg))
         Flags.setInReg();
-      if (F.getParamAttributes(Idx).hasStructRetAttr())
+      if (F.getParamAttributes(Idx).hasAttribute(Attributes::StructRet))
         Flags.setSRet();
-      if (F.getParamAttributes(Idx).hasByValAttr()) {
+      if (F.getParamAttributes(Idx).hasAttribute(Attributes::ByVal)) {
         Flags.setByVal();
         PointerType *Ty = cast<PointerType>(I->getType());
         Type *ElementTy = Ty->getElementType();
@@ -6722,7 +6722,7 @@ void SelectionDAGISel::LowerArguments(const BasicBlock *LLVMBB) {
           FrameAlign = TLI.getByValTypeAlignment(ElementTy);
         Flags.setByValAlign(FrameAlign);
       }
-      if (F.getParamAttributes(Idx).hasNestAttr())
+      if (F.getParamAttributes(Idx).hasAttribute(Attributes::Nest))
         Flags.setNest();
       Flags.setOrigAlign(OriginalAlignment);
 
@@ -6809,9 +6809,9 @@ void SelectionDAGISel::LowerArguments(const BasicBlock *LLVMBB) {
 
       if (!I->use_empty()) {
         ISD::NodeType AssertOp = ISD::DELETED_NODE;
-        if (F.getParamAttributes(Idx).hasSExtAttr())
+        if (F.getParamAttributes(Idx).hasAttribute(Attributes::SExt))
           AssertOp = ISD::AssertSext;
-        else if (F.getParamAttributes(Idx).hasZExtAttr())
+        else if (F.getParamAttributes(Idx).hasAttribute(Attributes::ZExt))
           AssertOp = ISD::AssertZext;
 
         ArgValues.push_back(getCopyFromParts(DAG, dl, &InVals[i],
diff --git a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 8808a61d241..5f736564e8c 100644
--- a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -997,9 +997,9 @@ void llvm::GetReturnInfo(Type* ReturnType, Attributes attr,
     EVT VT = ValueVTs[j];
     ISD::NodeType ExtendKind = ISD::ANY_EXTEND;
 
-    if (attr.hasSExtAttr())
+    if (attr.hasAttribute(Attributes::SExt))
       ExtendKind = ISD::SIGN_EXTEND;
-    else if (attr.hasZExtAttr())
+    else if (attr.hasAttribute(Attributes::ZExt))
       ExtendKind = ISD::ZERO_EXTEND;
 
     // FIXME: C calling convention requires the return type to be promoted to
@@ -1017,13 +1017,13 @@ void llvm::GetReturnInfo(Type* ReturnType, Attributes attr,
 
     // 'inreg' on function refers to return value
     ISD::ArgFlagsTy Flags = ISD::ArgFlagsTy();
-    if (attr.hasInRegAttr())
+    if (attr.hasAttribute(Attributes::InReg))
       Flags.setInReg();
 
     // Propagate extension type if any
-    if (attr.hasSExtAttr())
+    if (attr.hasAttribute(Attributes::SExt))
       Flags.setSExt();
-    else if (attr.hasZExtAttr())
+    else if (attr.hasAttribute(Attributes::ZExt))
       Flags.setZExt();
 
     for (unsigned i = 0; i < NumParts; ++i)
diff --git a/llvm/lib/CodeGen/StackProtector.cpp b/llvm/lib/CodeGen/StackProtector.cpp
index 8e18f30a63a..31e9ec0ac0b 100644
--- a/llvm/lib/CodeGen/StackProtector.cpp
+++ b/llvm/lib/CodeGen/StackProtector.cpp
@@ -137,10 +137,10 @@ bool StackProtector::ContainsProtectableArray(Type *Ty, bool InStruct) const {
 /// add a guard variable to functions that call alloca, and functions with
 /// buffers larger than SSPBufferSize bytes.
 bool StackProtector::RequiresStackProtector() const {
-  if (F->getFnAttributes().hasStackProtectReqAttr())
+  if (F->getFnAttributes().hasAttribute(Attributes::StackProtectReq))
     return true;
 
-  if (!F->getFnAttributes().hasStackProtectAttr())
+  if (!F->getFnAttributes().hasAttribute(Attributes::StackProtect))
     return false;
 
   for (Function::iterator I = F->begin(), E = F->end(); I != E; ++I) {
diff --git a/llvm/lib/CodeGen/TailDuplication.cpp b/llvm/lib/CodeGen/TailDuplication.cpp
index 230ea038e2c..1497d1ba628 100644
--- a/llvm/lib/CodeGen/TailDuplication.cpp
+++ b/llvm/lib/CodeGen/TailDuplication.cpp
@@ -552,7 +552,8 @@ TailDuplicatePass::shouldTailDuplicate(const MachineFunction &MF,
   // compensate for the duplication.
   unsigned MaxDuplicateCount;
   if (TailDuplicateSize.getNumOccurrences() == 0 &&
-      MF.getFunction()->getFnAttributes().hasOptimizeForSizeAttr())
+      MF.getFunction()->getFnAttributes().
+        hasAttribute(Attributes::OptimizeForSize))
     MaxDuplicateCount = 1;
   else
     MaxDuplicateCount = TailDuplicateSize;