Support standard DWARF TLS opcode; Darwin and PS4 use it.

[oota-llvm.git] / lib / MC / MCSubtargetInfo.cpp

diff --git a/lib/MC/MCSubtargetInfo.cpp b/lib/MC/MCSubtargetInfo.cpp
index ead7aa96d14b9d0c464790d7efd290b0ab9ca3db..ca3894b29d39425adb3bb134db3c86ad0e1c9e36 100644 (file)
--- a/lib/MC/MCSubtargetInfo.cpp
+++ b/lib/MC/MCSubtargetInfo.cpp
@@ -17,16 +17,12 @@
 
 using namespace llvm;
 
-MCSchedModel MCSchedModel::DefaultSchedModel; // For unknown processors.
-
 /// InitMCProcessorInfo - Set or change the CPU (optionally supplemented
 /// with feature string). Recompute feature bits and scheduling model.
 void
 MCSubtargetInfo::InitMCProcessorInfo(StringRef CPU, StringRef FS) {
   SubtargetFeatures Features(FS);
-  FeatureBits = Features.getFeatureBits(CPU, ProcDesc, NumProcs,
-                                        ProcFeatures, NumFeatures);
-
+  FeatureBits = Features.getFeatureBits(CPU, ProcDesc, ProcFeatures);
   InitCPUSchedModel(CPU);
 }
 
@@ -35,22 +31,22 @@ MCSubtargetInfo::InitCPUSchedModel(StringRef CPU) {
   if (!CPU.empty())
     CPUSchedModel = getSchedModelForCPU(CPU);
   else
-    CPUSchedModel = &MCSchedModel::DefaultSchedModel;
+    CPUSchedModel = MCSchedModel::GetDefaultSchedModel();
 }
 
 void
-MCSubtargetInfo::InitMCSubtargetInfo(StringRef TT, StringRef CPU, StringRef FS,
-                                     const SubtargetFeatureKV *PF,
-                                     const SubtargetFeatureKV *PD,
+MCSubtargetInfo::InitMCSubtargetInfo(StringRef TT, StringRef C, StringRef FS,
+                                     ArrayRef<SubtargetFeatureKV> PF,
+                                     ArrayRef<SubtargetFeatureKV> PD,
                                      const SubtargetInfoKV *ProcSched,
                                      const MCWriteProcResEntry *WPR,
                                      const MCWriteLatencyEntry *WL,
                                      const MCReadAdvanceEntry *RA,
                                      const InstrStage *IS,
                                      const unsigned *OC,
-                                     const unsigned *FP,
-                                     unsigned NF, unsigned NP) {
+                                     const unsigned *FP) {
   TargetTriple = TT;
+  CPU = C;
   ProcFeatures = PF;
   ProcDesc = PD;
   ProcSchedModels = ProcSched;
@@ -61,8 +57,6 @@ MCSubtargetInfo::InitMCSubtargetInfo(StringRef TT, StringRef CPU, StringRef FS,
   Stages = IS;
   OperandCycles = OC;
   ForwardingPaths = FP;
-  NumFeatures = NF;
-  NumProcs = NP;
 
   InitMCProcessorInfo(CPU, FS);
 }
@@ -78,16 +72,16 @@ uint64_t MCSubtargetInfo::ToggleFeature(uint64_t FB) {
 /// bits. This version will also change all implied bits.
 uint64_t MCSubtargetInfo::ToggleFeature(StringRef FS) {
   SubtargetFeatures Features;
-  FeatureBits = Features.ToggleFeature(FeatureBits, FS,
-                                       ProcFeatures, NumFeatures);
+  FeatureBits = Features.ToggleFeature(FeatureBits, FS, ProcFeatures);
   return FeatureBits;
 }
 
 
-const MCSchedModel *
+MCSchedModel
 MCSubtargetInfo::getSchedModelForCPU(StringRef CPU) const {
   assert(ProcSchedModels && "Processor machine model not available!");
 
+  unsigned NumProcs = ProcDesc.size();
 #ifndef NDEBUG
   for (size_t i = 1; i < NumProcs; i++) {
     assert(strcmp(ProcSchedModels[i - 1].Key, ProcSchedModels[i].Key) < 0 &&
@@ -96,18 +90,21 @@ MCSubtargetInfo::getSchedModelForCPU(StringRef CPU) const {
 #endif
 
   // Find entry
-  const SubtargetInfoKV *Found = SubtargetFeatures::Find(CPU, ProcSchedModels,
-                                                         NumProcs, "processor");
-  if (!Found)
-    return &MCSchedModel::DefaultSchedModel;
-
+  const SubtargetInfoKV *Found =
+    std::lower_bound(ProcSchedModels, ProcSchedModels+NumProcs, CPU);
+  if (Found == ProcSchedModels+NumProcs || StringRef(Found->Key) != CPU) {
+    errs() << "'" << CPU
+           << "' is not a recognized processor for this target"
+           << " (ignoring processor)\n";
+    return MCSchedModel::GetDefaultSchedModel();
+  }
   assert(Found->Value && "Missing processor SchedModel value");
-  return (const MCSchedModel *)Found->Value;
+  return *(const MCSchedModel *)Found->Value;
 }
 
 InstrItineraryData
 MCSubtargetInfo::getInstrItineraryForCPU(StringRef CPU) const {
-  const MCSchedModel *SchedModel = getSchedModelForCPU(CPU);
+  const MCSchedModel SchedModel = getSchedModelForCPU(CPU);
   return InstrItineraryData(SchedModel, Stages, OperandCycles, ForwardingPaths);
 }