X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FMC%2FMCSubtargetInfo.cpp;h=dc864d3a17f81c4255793eeb0983e4ccd1305a2b;hb=0d2b021de66106051a388d6e9945ab8d147085d8;hp=9dd551e4fc387fcb32d173937d09fbb5d03f41a4;hpb=16859aa24261e91923533c0d9f4b661e8850fa2d;p=oota-llvm.git

diff --git a/lib/MC/MCSubtargetInfo.cpp b/lib/MC/MCSubtargetInfo.cpp
index 9dd551e4fc3..dc864d3a17f 100644
--- a/lib/MC/MCSubtargetInfo.cpp
+++ b/lib/MC/MCSubtargetInfo.cpp
@@ -17,18 +17,25 @@
 
 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, StringRef FS) {
+  FeatureBits = getFeatures(CPU, FS, ProcDesc, ProcFeatures);
+}
+
 MCSubtargetInfo::MCSubtargetInfo(
     const Triple &TT, StringRef C, StringRef FS,
     ArrayRef<SubtargetFeatureKV> PF, ArrayRef<SubtargetFeatureKV> PD,
@@ -70,13 +77,12 @@ FeatureBitset MCSubtargetInfo::ApplyFeatureFlag(StringRef FS) {
 const 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 &&
-           "Processor machine model table is not sorted");
-  }
-#endif
+  size_t NumProcs = ProcDesc.size();
+  assert(std::is_sorted(ProcSchedModels, ProcSchedModels+NumProcs,
+                    [](const SubtargetInfoKV &LHS, const SubtargetInfoKV &RHS) {
+                      return strcmp(LHS.Key, RHS.Key) < 0;
+                    }) &&
+         "Processor machine model table is not sorted");
 
   // Find entry
   const SubtargetInfoKV *Found =