Removing unused variable.

[oota-llvm.git] / lib / Target / TargetMachine.cpp

diff --git a/lib/Target/TargetMachine.cpp b/lib/Target/TargetMachine.cpp
index d60a70846a768a9747bdfbc4c4db958962d97ad6..309e1bf2786db8796bbbf360f30d8683a9aad9b1 100644 (file)
--- a/lib/Target/TargetMachine.cpp
+++ b/lib/Target/TargetMachine.cpp
@@ -26,26 +26,9 @@
 #include "llvm/Support/CommandLine.h"
 #include "llvm/Target/TargetLowering.h"
 #include "llvm/Target/TargetLoweringObjectFile.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
 using namespace llvm;
 
-//---------------------------------------------------------------------------
-// Command-line options that tend to be useful on more than one back-end.
-//
-
-namespace llvm {
-  bool HasDivModLibcall;
-  bool AsmVerbosityDefault(false);
-}
-
-static cl::opt<bool>
-DataSections("fdata-sections",
-  cl::desc("Emit data into separate sections"),
-  cl::init(false));
-static cl::opt<bool>
-FunctionSections("ffunction-sections",
-  cl::desc("Emit functions into separate sections"),
-  cl::init(false));
-
 //---------------------------------------------------------------------------
 // TargetMachine Class
 //
@@ -65,17 +48,13 @@ TargetMachine::~TargetMachine() {
 }
 
 /// \brief Reset the target options based on the function's attributes.
-void TargetMachine::resetTargetOptions(const MachineFunction *MF) const {
-  const Function *F = MF->getFunction();
-  TargetOptions &TO = MF->getTarget().Options;
-
-#define RESET_OPTION(X, Y)                                              \
-  do {                                                                  \
-    if (F->hasFnAttribute(Y))                                           \
-      TO.X =                                                            \
-        (F->getAttributes().                                            \
-           getAttribute(AttributeSet::FunctionIndex,                    \
-                        Y).getValueAsString() == "true");               \
+void TargetMachine::resetTargetOptions(const Function &F) const {
+#define RESET_OPTION(X, Y)                                                     \
+  do {                                                                         \
+    if (F.hasFnAttribute(Y))                                                  \
+      Options.X = (F.getAttributes()                                          \
+                       .getAttribute(AttributeSet::FunctionIndex, Y)           \
+                       .getValueAsString() == "true");                         \
   } while (0)
 
   RESET_OPTION(NoFramePointerElim, "no-frame-pointer-elim");
@@ -86,7 +65,7 @@ void TargetMachine::resetTargetOptions(const MachineFunction *MF) const {
   RESET_OPTION(UseSoftFloat, "use-soft-float");
   RESET_OPTION(DisableTailCalls, "disable-tail-calls");
 
-  TO.MCOptions.SanitizeAddress = F->hasFnAttribute(Attribute::SanitizeAddress);
+  Options.MCOptions.SanitizeAddress = F.hasFnAttribute(Attribute::SanitizeAddress);
 }
 
 /// getRelocationModel - Returns the code generation relocation model. The
@@ -106,8 +85,8 @@ CodeModel::Model TargetMachine::getCodeModel() const {
 }
 
 /// Get the IR-specified TLS model for Var.
-static TLSModel::Model getSelectedTLSModel(const GlobalVariable *Var) {
-  switch (Var->getThreadLocalMode()) {
+static TLSModel::Model getSelectedTLSModel(const GlobalValue *GV) {
+  switch (GV->getThreadLocalMode()) {
   case GlobalVariable::NotThreadLocal:
     llvm_unreachable("getSelectedTLSModel for non-TLS variable");
     break;
@@ -124,19 +103,13 @@ static TLSModel::Model getSelectedTLSModel(const GlobalVariable *Var) {
 }
 
 TLSModel::Model TargetMachine::getTLSModel(const GlobalValue *GV) const {
-  // If GV is an alias then use the aliasee for determining
-  // thread-localness.
-  if (const GlobalAlias *GA = dyn_cast<GlobalAlias>(GV))
-    GV = GA->getAliasedGlobal();
-  const GlobalVariable *Var = cast<GlobalVariable>(GV);
-
-  bool isLocal = Var->hasLocalLinkage();
-  bool isDeclaration = Var->isDeclaration();
+  bool isLocal = GV->hasLocalLinkage();
+  bool isDeclaration = GV->isDeclaration();
   bool isPIC = getRelocationModel() == Reloc::PIC_;
   bool isPIE = Options.PositionIndependentExecutable;
   // FIXME: what should we do for protected and internal visibility?
   // For variables, is internal different from hidden?
-  bool isHidden = Var->hasHiddenVisibility();
+  bool isHidden = GV->hasHiddenVisibility();
 
   TLSModel::Model Model;
   if (isPIC && !isPIE) {
@@ -152,7 +125,7 @@ TLSModel::Model TargetMachine::getTLSModel(const GlobalValue *GV) const {
   }
 
   // If the user specified a more specific model, use that.
-  TLSModel::Model SelectedModel = getSelectedTLSModel(Var);
+  TLSModel::Model SelectedModel = getSelectedTLSModel(GV);
   if (SelectedModel > Model)
     return SelectedModel;
 
@@ -172,28 +145,28 @@ void TargetMachine::setOptLevel(CodeGenOpt::Level Level) const {
     CodeGenInfo->setOptLevel(Level);
 }
 
-bool TargetMachine::getAsmVerbosityDefault() {
-  return AsmVerbosityDefault;
+bool TargetMachine::getAsmVerbosityDefault() const {
+  return Options.MCOptions.AsmVerbose;
 }
 
 void TargetMachine::setAsmVerbosityDefault(bool V) {
-  AsmVerbosityDefault = V;
+  Options.MCOptions.AsmVerbose = V;
 }
 
-bool TargetMachine::getFunctionSections() {
-  return FunctionSections;
+bool TargetMachine::getFunctionSections() const {
+  return Options.FunctionSections;
 }
 
-bool TargetMachine::getDataSections() {
-  return DataSections;
+bool TargetMachine::getDataSections() const {
+  return Options.DataSections;
 }
 
 void TargetMachine::setFunctionSections(bool V) {
-  FunctionSections = V;
+  Options.FunctionSections = V;
 }
 
 void TargetMachine::setDataSections(bool V) {
-  DataSections = V;
+  Options.DataSections = V;
 }
 
 void TargetMachine::getNameWithPrefix(SmallVectorImpl<char> &Name,
@@ -207,7 +180,7 @@ void TargetMachine::getNameWithPrefix(SmallVectorImpl<char> &Name,
   }
   SectionKind GVKind = TargetLoweringObjectFile::getKindForGlobal(GV, *this);
   const TargetLoweringObjectFile &TLOF =
-      getTargetLowering()->getObjFileLowering();
+      getSubtargetImpl()->getTargetLowering()->getObjFileLowering();
   const MCSection *TheSection = TLOF.SectionForGlobal(GV, GVKind, Mang, *this);
   bool CannotUsePrivateLabel = TLOF.isSectionAtomizableBySymbols(*TheSection);
   Mang.getNameWithPrefix(Name, GV, CannotUsePrivateLabel);
@@ -217,6 +190,6 @@ MCSymbol *TargetMachine::getSymbol(const GlobalValue *GV, Mangler &Mang) const {
   SmallString<60> NameStr;
   getNameWithPrefix(NameStr, GV, Mang);
   const TargetLoweringObjectFile &TLOF =
-      getTargetLowering()->getObjFileLowering();
+      getSubtargetImpl()->getTargetLowering()->getObjFileLowering();
   return TLOF.getContext().GetOrCreateSymbol(NameStr.str());
 }