Remove templates from CostTableLookup functions. All instantiations had the same...

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

diff --git a/lib/MC/MCSection.cpp b/lib/MC/MCSection.cpp
index ec6078ea37b4da0f30027f72a9d5d01aa21c7e2c..dbd544a44ce32afd56ae34891ecd5f975c65e1b4 100644 (file)
--- a/lib/MC/MCSection.cpp
+++ b/lib/MC/MCSection.cpp
@@ -8,40 +8,102 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/MC/MCSection.h"
+#include "llvm/MC/MCAssembler.h"
+#include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCContext.h"
+#include "llvm/MC/MCSymbol.h"
+#include "llvm/Support/raw_ostream.h"
 using namespace llvm;
 
-MCSection::~MCSection() {
-}
+//===----------------------------------------------------------------------===//
+// MCSection
+//===----------------------------------------------------------------------===//
+
+MCSection::MCSection(SectionVariant V, SectionKind K, MCSymbol *Begin)
+    : Begin(Begin), BundleGroupBeforeFirstInst(false), HasInstructions(false),
+      IsRegistered(false), DummyFragment(this), Variant(V), Kind(K) {}
 
-MCSection::MCSection(const StringRef &N, bool isDirective, SectionKind K, 
-                     MCContext &Ctx)
-  : Name(N), IsDirective(isDirective), Kind(K) {
-  MCSection *&Entry = Ctx.Sections[Name];
-  assert(Entry == 0 && "Multiple sections with the same name created");
-  Entry = this;
+MCSymbol *MCSection::getEndSymbol(MCContext &Ctx) {
+  if (!End)
+    End = Ctx.createTempSymbol("sec_end", true);
+  return End;
 }
 
-MCSection *MCSection::
-Create(const StringRef &Name, bool IsDirective, SectionKind K, MCContext &Ctx) {
-  return new (Ctx) MCSection(Name, IsDirective, K, Ctx);
+bool MCSection::hasEnded() const { return End && End->isInSection(); }
+
+MCSection::~MCSection() {
 }
 
+void MCSection::setBundleLockState(BundleLockStateType NewState) {
+  if (NewState == NotBundleLocked) {
+    if (BundleLockNestingDepth == 0) {
+      report_fatal_error("Mismatched bundle_lock/unlock directives");
+    }
+    if (--BundleLockNestingDepth == 0) {
+      BundleLockState = NotBundleLocked;
+    }
+    return;
+  }
 
-MCSectionELF *MCSectionELF::
-Create(const StringRef &Name, bool IsDirective, SectionKind K, MCContext &Ctx) {
-  return new (Ctx) MCSectionELF(Name, IsDirective, K, Ctx);
+  // If any of the directives is an align_to_end directive, the whole nested
+  // group is align_to_end. So don't downgrade from align_to_end to just locked.
+  if (BundleLockState != BundleLockedAlignToEnd) {
+    BundleLockState = NewState;
+  }
+  ++BundleLockNestingDepth;
 }
 
+MCSection::iterator
+MCSection::getSubsectionInsertionPoint(unsigned Subsection) {
+  if (Subsection == 0 && SubsectionFragmentMap.empty())
+    return end();
+
+  SmallVectorImpl<std::pair<unsigned, MCFragment *>>::iterator MI =
+      std::lower_bound(SubsectionFragmentMap.begin(),
+                       SubsectionFragmentMap.end(),
+                       std::make_pair(Subsection, (MCFragment *)nullptr));
+  bool ExactMatch = false;
+  if (MI != SubsectionFragmentMap.end()) {
+    ExactMatch = MI->first == Subsection;
+    if (ExactMatch)
+      ++MI;
+  }
+  iterator IP;
+  if (MI == SubsectionFragmentMap.end())
+    IP = end();
+  else
+    IP = MI->second->getIterator();
+  if (!ExactMatch && Subsection != 0) {
+    // The GNU as documentation claims that subsections have an alignment of 4,
+    // although this appears not to be the case.
+    MCFragment *F = new MCDataFragment();
+    SubsectionFragmentMap.insert(MI, std::make_pair(Subsection, F));
+    getFragmentList().insert(IP, F);
+    F->setParent(this);
+  }
 
-MCSectionMachO *MCSectionMachO::
-Create(const StringRef &Name, bool IsDirective, SectionKind K, MCContext &Ctx) {
-  return new (Ctx) MCSectionMachO(Name, IsDirective, K, Ctx);
+  return IP;
 }
 
+#if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
+void MCSection::dump() {
+  raw_ostream &OS = llvm::errs();
 
-MCSectionCOFF *MCSectionCOFF::
-Create(const StringRef &Name, bool IsDirective, SectionKind K, MCContext &Ctx) {
-  return new (Ctx) MCSectionCOFF(Name, IsDirective, K, Ctx);
+  OS << "<MCSection";
+  OS << " Fragments:[\n      ";
+  for (auto it = begin(), ie = end(); it != ie; ++it) {
+    if (it != begin())
+      OS << ",\n      ";
+    it->dump();
+  }
+  OS << "]>";
 }
+#endif
+
+MCSection::iterator MCSection::begin() { return Fragments.begin(); }
+
+MCSection::iterator MCSection::end() { return Fragments.end(); }
+
+MCSection::reverse_iterator MCSection::rbegin() { return Fragments.rbegin(); }
 
+MCSection::reverse_iterator MCSection::rend() { return Fragments.rend(); }