//
// The LLVM Compiler Infrastructure
//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
//
//===----------------------------------------------------------------------===//
+#include "llvm/MC/MCAsmInfo.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetOptions.h"
-#include "llvm/Type.h"
#include "llvm/Support/CommandLine.h"
using namespace llvm;
//
namespace llvm {
- bool PrintMachineCode;
- bool NoFramePointerElim;
- bool NoExcessFPPrecision;
- bool UnsafeFPMath;
- bool FiniteOnlyFPMathOption;
- Reloc::Model RelocationModel;
-}
-namespace {
- cl::opt<bool, true> PrintCode("print-machineinstrs",
- cl::desc("Print generated machine code"),
- cl::location(PrintMachineCode), cl::init(false));
-
- cl::opt<bool, true>
- DisableFPElim("disable-fp-elim",
- cl::desc("Disable frame pointer elimination optimization"),
- cl::location(NoFramePointerElim),
- cl::init(false));
- cl::opt<bool, true>
- DisableExcessPrecision("disable-excess-fp-precision",
- cl::desc("Disable optimizations that may increase FP precision"),
- cl::location(NoExcessFPPrecision),
- cl::init(false));
- cl::opt<bool, true>
- EnableUnsafeFPMath("enable-unsafe-fp-math",
- cl::desc("Enable optimizations that may decrease FP precision"),
- cl::location(UnsafeFPMath),
- cl::init(false));
- cl::opt<bool, true>
- EnableFiniteOnltFPMath("enable-finite-only-fp-math",
- cl::desc("Enable optimizations that assumes non- NaNs / +-Infs"),
- cl::location(FiniteOnlyFPMathOption),
- cl::init(false));
- cl::opt<llvm::Reloc::Model, true>
- DefRelocationModel(
- "relocation-model",
- cl::desc("Choose relocation model"),
- cl::location(RelocationModel),
- cl::init(Reloc::Default),
- cl::values(
- clEnumValN(Reloc::Default, "default",
- "Target default relocation model"),
- clEnumValN(Reloc::Static, "static",
- "Non-relocatable code"),
- clEnumValN(Reloc::PIC, "pic",
- "Fully relocatable, position independent code"),
- clEnumValN(Reloc::DynamicNoPIC, "dynamic-no-pic",
- "Relocatable external references, non-relocatable code"),
- clEnumValEnd));
+ 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 std::string &name, const Module &M)
- : Name(name) {
+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() {
- return RelocationModel;
+Reloc::Model TargetMachine::getRelocationModel() const {
+ if (!CodeGenInfo)
+ return Reloc::Default;
+ return CodeGenInfo->getRelocationModel();
}
-/// setRelocationModel - Sets the code generation relocation model.
-void TargetMachine::setRelocationModel(Reloc::Model Model) {
- RelocationModel = Model;
+/// 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();
}
-namespace llvm {
- /// FiniteOnlyFPMath - This returns true when the -enable-finite-only-fp-math
- /// option is specified on the command line. If this returns false (default),
- /// the code generator is not allowed to assume that FP arithmetic arguments
- /// and results are never NaNs or +-Infs.
- bool FiniteOnlyFPMath() { return UnsafeFPMath || FiniteOnlyFPMathOption; }
+/// 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;
}
+