X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FSparc%2FSparcTargetMachine.cpp;h=6979a176232a27cef2da62e55792ae33db658735;hb=515cc265c96317bb4275939a90a3d723f10e7a23;hp=21c4205b37d96a054f7511e2a362a5999959c1b5;hpb=92adc19be95347225f713db8cc1b5e22ac08bb5e;p=oota-llvm.git

diff --git a/lib/Target/Sparc/SparcTargetMachine.cpp b/lib/Target/Sparc/SparcTargetMachine.cpp
index 21c4205b37d..6979a176232 100644
--- a/lib/Target/Sparc/SparcTargetMachine.cpp
+++ b/lib/Target/Sparc/SparcTargetMachine.cpp
@@ -10,81 +10,118 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "SparcTargetAsmInfo.h"
 #include "SparcTargetMachine.h"
+#include "SparcTargetObjectFile.h"
 #include "Sparc.h"
-#include "llvm/Module.h"
-#include "llvm/PassManager.h"
-#include "llvm/Target/TargetMachineRegistry.h"
+#include "llvm/CodeGen/Passes.h"
+#include "llvm/IR/LegacyPassManager.h"
+#include "llvm/Support/TargetRegistry.h"
 using namespace llvm;
 
-/// SparcTargetMachineModule - Note that this is used on hosts that
-/// cannot link in a library unless there are references into the
-/// library.  In particular, it seems that it is not possible to get
-/// things to work on Win32 without this.  Though it is unused, do not
-/// remove it.
-extern "C" int SparcTargetMachineModule;
-int SparcTargetMachineModule = 0;
+extern "C" void LLVMInitializeSparcTarget() {
+  // Register the target.
+  RegisterTargetMachine<SparcV8TargetMachine> X(TheSparcTarget);
+  RegisterTargetMachine<SparcV9TargetMachine> Y(TheSparcV9Target);
+}
+
+static std::string computeDataLayout(bool is64Bit) {
+  // Sparc is big endian.
+  std::string Ret = "E-m:e";
+
+  // Some ABIs have 32bit pointers.
+  if (!is64Bit)
+    Ret += "-p:32:32";
+
+  // Alignments for 64 bit integers.
+  Ret += "-i64:64";
+
+  // On SparcV9 128 floats are aligned to 128 bits, on others only to 64.
+  // On SparcV9 registers can hold 64 or 32 bits, on others only 32.
+  if (is64Bit)
+    Ret += "-n32:64";
+  else
+    Ret += "-f128:64-n32";
 
-// Register the target.
-static RegisterTarget<SparcTargetMachine> X("sparc", "SPARC");
+  if (is64Bit)
+    Ret += "-S128";
+  else
+    Ret += "-S64";
 
-const TargetAsmInfo *SparcTargetMachine::createTargetAsmInfo() const {
-  // FIXME: Handle Solaris subtarget someday :)
-  return new SparcELFTargetAsmInfo(*this);
+  return Ret;
 }
 
 /// SparcTargetMachine ctor - Create an ILP32 architecture model
 ///
-SparcTargetMachine::SparcTargetMachine(const Module &M, const std::string &FS)
-  : DataLayout("E-p:32:32-f128:128:128"),
-    Subtarget(M, FS), TLInfo(*this), InstrInfo(Subtarget),
-    FrameInfo(TargetFrameInfo::StackGrowsDown, 8, 0) {
+SparcTargetMachine::SparcTargetMachine(const Target &T, StringRef TT,
+                                       StringRef CPU, StringRef FS,
+                                       const TargetOptions &Options,
+                                       Reloc::Model RM, CodeModel::Model CM,
+                                       CodeGenOpt::Level OL, bool is64bit)
+    : LLVMTargetMachine(T, computeDataLayout(is64bit), TT, CPU, FS, Options, RM,
+                        CM, OL),
+      TLOF(make_unique<SparcELFTargetObjectFile>()),
+      Subtarget(TT, CPU, FS, *this, is64bit) {
+  initAsmInfo();
 }
 
-unsigned SparcTargetMachine::getModuleMatchQuality(const Module &M) {
-  std::string TT = M.getTargetTriple();
-  if (TT.size() >= 6 && std::string(TT.begin(), TT.begin()+6) == "sparc-")
-    return 20;
-  
-  // If the target triple is something non-sparc, we don't match.
-  if (!TT.empty()) return 0;
-
-  if (M.getEndianness()  == Module::BigEndian &&
-      M.getPointerSize() == Module::Pointer32)
-#ifdef __sparc__
-    return 20;   // BE/32 ==> Prefer sparc on sparc
-#else
-    return 5;    // BE/32 ==> Prefer ppc elsewhere
-#endif
-  else if (M.getEndianness() != Module::AnyEndianness ||
-           M.getPointerSize() != Module::AnyPointerSize)
-    return 0;                                    // Match for some other target
-
-#if defined(__sparc__)
-  return 10;
-#else
-  return 0;
-#endif
+SparcTargetMachine::~SparcTargetMachine() {}
+
+namespace {
+/// Sparc Code Generator Pass Configuration Options.
+class SparcPassConfig : public TargetPassConfig {
+public:
+  SparcPassConfig(SparcTargetMachine *TM, PassManagerBase &PM)
+    : TargetPassConfig(TM, PM) {}
+
+  SparcTargetMachine &getSparcTargetMachine() const {
+    return getTM<SparcTargetMachine>();
+  }
+
+  void addIRPasses() override;
+  bool addInstSelector() override;
+  void addPreEmitPass() override;
+};
+} // namespace
+
+TargetPassConfig *SparcTargetMachine::createPassConfig(PassManagerBase &PM) {
+  return new SparcPassConfig(this, PM);
 }
 
-bool SparcTargetMachine::addInstSelector(PassManagerBase &PM, bool Fast) {
-  PM.add(createSparcISelDag(*this));
+void SparcPassConfig::addIRPasses() {
+  addPass(createAtomicExpandPass(&getSparcTargetMachine()));
+
+  TargetPassConfig::addIRPasses();
+}
+
+bool SparcPassConfig::addInstSelector() {
+  addPass(createSparcISelDag(getSparcTargetMachine()));
   return false;
 }
 
-/// addPreEmitPass - This pass may be implemented by targets that want to run
-/// passes immediately before machine code is emitted.  This should return
-/// true if -print-machineinstrs should print out the code after the passes.
-bool SparcTargetMachine::addPreEmitPass(PassManagerBase &PM, bool Fast) {
-  PM.add(createSparcFPMoverPass(*this));
-  PM.add(createSparcDelaySlotFillerPass(*this));
-  return true;
+void SparcPassConfig::addPreEmitPass(){
+  addPass(createSparcDelaySlotFillerPass(getSparcTargetMachine()));
 }
 
-bool SparcTargetMachine::addAssemblyEmitter(PassManagerBase &PM, bool Fast, 
-                                            raw_ostream &Out) {
-  // Output assembly language.
-  PM.add(createSparcCodePrinterPass(Out, *this));
-  return false;
+void SparcV8TargetMachine::anchor() { }
+
+SparcV8TargetMachine::SparcV8TargetMachine(const Target &T,
+                                           StringRef TT, StringRef CPU,
+                                           StringRef FS,
+                                           const TargetOptions &Options,
+                                           Reloc::Model RM,
+                                           CodeModel::Model CM,
+                                           CodeGenOpt::Level OL)
+  : SparcTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, false) {
+}
+
+void SparcV9TargetMachine::anchor() { }
+
+SparcV9TargetMachine::SparcV9TargetMachine(const Target &T,
+                                           StringRef TT,  StringRef CPU,
+                                           StringRef FS,
+                                           const TargetOptions &Options,
+                                           Reloc::Model RM,
+                                           CodeModel::Model CM,
+                                           CodeGenOpt::Level OL)
+  : SparcTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, true) {
 }