X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FSparc%2FSparcTargetMachine.cpp;h=725d7f047c47d5588b920834abb62363d8a6ef8e;hb=e91a80e5b8639eb71c503ef4e521f33dc21fa912;hp=0130face3ff67e7a73095c8bc78c4dff43b2a778;hpb=aa5b9c0f6f3a99f955fe0ded13d61d7eb4e1a0b5;p=oota-llvm.git

diff --git a/lib/Target/Sparc/SparcTargetMachine.cpp b/lib/Target/Sparc/SparcTargetMachine.cpp
index 0130face3ff..725d7f047c4 100644
--- a/lib/Target/Sparc/SparcTargetMachine.cpp
+++ b/lib/Target/Sparc/SparcTargetMachine.cpp
@@ -11,9 +11,10 @@
 //===----------------------------------------------------------------------===//
 
 #include "SparcTargetMachine.h"
+#include "SparcTargetObjectFile.h"
 #include "Sparc.h"
 #include "llvm/CodeGen/Passes.h"
-#include "llvm/PassManager.h"
+#include "llvm/IR/LegacyPassManager.h"
 #include "llvm/Support/TargetRegistry.h"
 using namespace llvm;
 
@@ -21,21 +22,52 @@ extern "C" void LLVMInitializeSparcTarget() {
   // Register the target.
   RegisterTargetMachine<SparcV8TargetMachine> X(TheSparcTarget);
   RegisterTargetMachine<SparcV9TargetMachine> Y(TheSparcV9Target);
+  RegisterTargetMachine<SparcelTargetMachine> Z(TheSparcelTarget);
+}
+
+static std::string computeDataLayout(const Triple &T, bool is64Bit) {
+  // Sparc is typically big endian, but some are little.
+  std::string Ret = T.getArch() == Triple::sparcel ? "e" : "E";
+  Ret += "-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";
+
+  if (is64Bit)
+    Ret += "-S128";
+  else
+    Ret += "-S64";
+
+  return Ret;
 }
 
 /// SparcTargetMachine ctor - Create an ILP32 architecture model
 ///
-SparcTargetMachine::SparcTargetMachine(const Target &T, StringRef TT,
+SparcTargetMachine::SparcTargetMachine(const Target &T, const Triple &TT,
                                        StringRef CPU, StringRef FS,
                                        const TargetOptions &Options,
                                        Reloc::Model RM, CodeModel::Model CM,
-                                       CodeGenOpt::Level OL,
-                                       bool is64bit)
-  : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
-    Subtarget(TT, CPU, FS, *this, is64bit) {
+                                       CodeGenOpt::Level OL, bool is64bit)
+    : LLVMTargetMachine(T, computeDataLayout(TT, is64bit), TT, CPU, FS, Options,
+                        RM, CM, OL),
+      TLOF(make_unique<SparcELFTargetObjectFile>()),
+      Subtarget(TT, CPU, FS, *this, is64bit) {
   initAsmInfo();
 }
 
+SparcTargetMachine::~SparcTargetMachine() {}
+
 namespace {
 /// Sparc Code Generator Pass Configuration Options.
 class SparcPassConfig : public TargetPassConfig {
@@ -47,8 +79,9 @@ public:
     return getTM<SparcTargetMachine>();
   }
 
+  void addIRPasses() override;
   bool addInstSelector() override;
-  bool addPreEmitPass() override;
+  void addPreEmitPass() override;
 };
 } // namespace
 
@@ -56,46 +89,44 @@ TargetPassConfig *SparcTargetMachine::createPassConfig(PassManagerBase &PM) {
   return new SparcPassConfig(this, PM);
 }
 
-bool SparcPassConfig::addInstSelector() {
-  addPass(createSparcISelDag(getSparcTargetMachine()));
-  return false;
+void SparcPassConfig::addIRPasses() {
+  addPass(createAtomicExpandPass(&getSparcTargetMachine()));
+
+  TargetPassConfig::addIRPasses();
 }
 
-bool SparcTargetMachine::addCodeEmitter(PassManagerBase &PM,
-                                        JITCodeEmitter &JCE) {
-  // Machine code emitter pass for Sparc.
-  PM.add(createSparcJITCodeEmitterPass(*this, JCE));
+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 SparcPassConfig::addPreEmitPass(){
+void SparcPassConfig::addPreEmitPass(){
   addPass(createSparcDelaySlotFillerPass(getSparcTargetMachine()));
-  return true;
 }
 
 void SparcV8TargetMachine::anchor() { }
 
-SparcV8TargetMachine::SparcV8TargetMachine(const Target &T,
-                                           StringRef TT, StringRef CPU,
-                                           StringRef FS,
+SparcV8TargetMachine::SparcV8TargetMachine(const Target &T, const Triple &TT,
+                                           StringRef CPU, StringRef FS,
                                            const TargetOptions &Options,
-                                           Reloc::Model RM,
-                                           CodeModel::Model CM,
+                                           Reloc::Model RM, CodeModel::Model CM,
                                            CodeGenOpt::Level OL)
-  : SparcTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, false) {
-}
+    : SparcTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, false) {}
 
 void SparcV9TargetMachine::anchor() { }
 
-SparcV9TargetMachine::SparcV9TargetMachine(const Target &T,
-                                           StringRef TT,  StringRef CPU,
-                                           StringRef FS,
+SparcV9TargetMachine::SparcV9TargetMachine(const Target &T, const Triple &TT,
+                                           StringRef CPU, StringRef FS,
                                            const TargetOptions &Options,
-                                           Reloc::Model RM,
-                                           CodeModel::Model CM,
+                                           Reloc::Model RM, CodeModel::Model CM,
                                            CodeGenOpt::Level OL)
-  : SparcTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, true) {
-}
+    : SparcTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL, true) {}
+
+void SparcelTargetMachine::anchor() {}
+
+SparcelTargetMachine::SparcelTargetMachine(const Target &T, const Triple &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) {}