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-rw-r--r--contrib/llvm/lib/Target/TargetMachine.cpp130
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diff --git a/contrib/llvm/lib/Target/TargetMachine.cpp b/contrib/llvm/lib/Target/TargetMachine.cpp
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+//===-- TargetMachine.cpp - General Target Information ---------------------==//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file describes the general parts of a Target machine.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/GlobalValue.h"
+#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCCodeGenInfo.h"
+#include "llvm/Target/TargetMachine.h"
+#include "llvm/Support/CommandLine.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
+//
+
+TargetMachine::TargetMachine(const Target &T,
+ StringRef TT, StringRef CPU, StringRef FS,
+ const TargetOptions &Options)
+ : TheTarget(T), TargetTriple(TT), TargetCPU(CPU), TargetFS(FS),
+ CodeGenInfo(0), AsmInfo(0),
+ MCRelaxAll(false),
+ MCNoExecStack(false),
+ MCSaveTempLabels(false),
+ MCUseLoc(true),
+ MCUseCFI(true),
+ MCUseDwarfDirectory(false),
+ Options(Options) {
+}
+
+TargetMachine::~TargetMachine() {
+ delete CodeGenInfo;
+ delete AsmInfo;
+}
+
+/// getRelocationModel - Returns the code generation relocation model. The
+/// choices are static, PIC, and dynamic-no-pic, and target default.
+Reloc::Model TargetMachine::getRelocationModel() const {
+ if (!CodeGenInfo)
+ return Reloc::Default;
+ return CodeGenInfo->getRelocationModel();
+}
+
+/// getCodeModel - Returns the code model. The choices are small, kernel,
+/// medium, large, and target default.
+CodeModel::Model TargetMachine::getCodeModel() const {
+ if (!CodeGenInfo)
+ return CodeModel::Default;
+ return CodeGenInfo->getCodeModel();
+}
+
+TLSModel::Model TargetMachine::getTLSModel(const GlobalValue *GV) const {
+ bool isLocal = GV->hasLocalLinkage();
+ bool isDeclaration = GV->isDeclaration();
+ // FIXME: what should we do for protected and internal visibility?
+ // For variables, is internal different from hidden?
+ bool isHidden = GV->hasHiddenVisibility();
+
+ if (getRelocationModel() == Reloc::PIC_ &&
+ !Options.PositionIndependentExecutable) {
+ if (isLocal || isHidden)
+ return TLSModel::LocalDynamic;
+ else
+ return TLSModel::GeneralDynamic;
+ } else {
+ if (!isDeclaration || isHidden)
+ return TLSModel::LocalExec;
+ else
+ return TLSModel::InitialExec;
+ }
+}
+
+/// getOptLevel - Returns the optimization level: None, Less,
+/// Default, or Aggressive.
+CodeGenOpt::Level TargetMachine::getOptLevel() const {
+ if (!CodeGenInfo)
+ return CodeGenOpt::Default;
+ return CodeGenInfo->getOptLevel();
+}
+
+bool TargetMachine::getAsmVerbosityDefault() {
+ return AsmVerbosityDefault;
+}
+
+void TargetMachine::setAsmVerbosityDefault(bool V) {
+ AsmVerbosityDefault = V;
+}
+
+bool TargetMachine::getFunctionSections() {
+ return FunctionSections;
+}
+
+bool TargetMachine::getDataSections() {
+ return DataSections;
+}
+
+void TargetMachine::setFunctionSections(bool V) {
+ FunctionSections = V;
+}
+
+void TargetMachine::setDataSections(bool V) {
+ DataSections = V;
+}
+
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