Re-commit r247683: Replace Triple with a new TargetTuple in MCTargetDesc/* and relate...

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

diff --git a/lib/MC/MCSubtargetInfo.cpp b/lib/MC/MCSubtargetInfo.cpp
index 9dd551e4fc387fcb32d173937d09fbb5d03f41a4..5df168c40ddea11cd742af6604afa3c097854857 100644 (file)
--- a/lib/MC/MCSubtargetInfo.cpp
+++ b/lib/MC/MCSubtargetInfo.cpp
@@ -9,7 +9,7 @@
 
 #include "llvm/MC/MCSubtargetInfo.h"
 #include "llvm/ADT/StringRef.h"
-#include "llvm/ADT/Triple.h"
+#include "llvm/ADT/TargetTuple.h"
 #include "llvm/MC/MCInstrItineraries.h"
 #include "llvm/MC/SubtargetFeature.h"
 #include "llvm/Support/raw_ostream.h"
@@ -17,25 +17,32 @@
 
 using namespace llvm;
 
-/// InitMCProcessorInfo - Set or change the CPU (optionally supplemented
-/// with feature string). Recompute feature bits and scheduling model.
-void
-MCSubtargetInfo::InitMCProcessorInfo(StringRef CPU, StringRef FS) {
+static FeatureBitset getFeatures(StringRef CPU, StringRef FS,
+                                 ArrayRef<SubtargetFeatureKV> ProcDesc,
+                                 ArrayRef<SubtargetFeatureKV> ProcFeatures) {
   SubtargetFeatures Features(FS);
-  FeatureBits = Features.getFeatureBits(CPU, ProcDesc, ProcFeatures);
+  return Features.getFeatureBits(CPU, ProcDesc, ProcFeatures);
+}
+
+void MCSubtargetInfo::InitMCProcessorInfo(StringRef CPU, StringRef FS) {
+  FeatureBits = getFeatures(CPU, FS, ProcDesc, ProcFeatures);
   if (!CPU.empty())
     CPUSchedModel = &getSchedModelForCPU(CPU);
   else
     CPUSchedModel = &MCSchedModel::GetDefaultSchedModel();
 }
 
+void MCSubtargetInfo::setDefaultFeatures(StringRef CPU) {
+  FeatureBits = getFeatures(CPU, "", ProcDesc, ProcFeatures);
+}
+
 MCSubtargetInfo::MCSubtargetInfo(
-    const Triple &TT, StringRef C, StringRef FS,
+    const TargetTuple &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)
-    : TargetTriple(TT), CPU(C), ProcFeatures(PF), ProcDesc(PD),
+    : TheTargetTuple(TT), CPU(C), ProcFeatures(PF), ProcDesc(PD),
       ProcSchedModels(ProcSched), WriteProcResTable(WPR), WriteLatencyTable(WL),
       ReadAdvanceTable(RA), Stages(IS), OperandCycles(OC), ForwardingPaths(FP) {
   InitMCProcessorInfo(CPU, FS);