done

[oota-llvm.git] / lib / Target / X86 / X86TargetMachine.cpp

diff --git a/lib/Target/X86/X86TargetMachine.cpp b/lib/Target/X86/X86TargetMachine.cpp
index b4fc79abcaeaddc4ede5f4f286f75c846e47c959..46e59ac03536801c0c966a91d9fe7bffd06b2bf5 100644 (file)
--- a/lib/Target/X86/X86TargetMachine.cpp
+++ b/lib/Target/X86/X86TargetMachine.cpp
@@ -21,7 +21,6 @@
 #include "llvm/Target/TargetOptions.h"
 #include "llvm/Target/TargetMachineRegistry.h"
 #include "llvm/Transforms/Scalar.h"
-#include <iostream>
 using namespace llvm;
 
 /// X86TargetMachineModule - Note that this is used on hosts that cannot link
@@ -81,6 +80,11 @@ unsigned X86_64TargetMachine::getModuleMatchQuality(const Module &M) {
       TT[3] == '_' && TT[4] == '6' && TT[5] == '4' && TT[6] == '-')
     return 20;
 
+  // We strongly match "amd64-*".
+  if (TT.size() >= 6 && TT[0] == 'a' && TT[1] == 'm' && TT[2] == 'd' &&
+      TT[3] == '6' && TT[4] == '4' && TT[5] == '-')
+    return 20;
+  
   if (M.getEndianness()  == Module::LittleEndian &&
       M.getPointerSize() == Module::Pointer64)
     return 10;                                   // Weak match
@@ -102,19 +106,20 @@ X86_64TargetMachine::X86_64TargetMachine(const Module &M, const std::string &FS)
 
 /// X86TargetMachine ctor - Create an ILP32 architecture model
 ///
-X86TargetMachine::X86TargetMachine(const Module &M, const std::string &FS, bool is64Bit)
+X86TargetMachine::X86TargetMachine(const Module &M, const std::string &FS,
+                                   bool is64Bit)
   : Subtarget(M, FS, is64Bit),
     DataLayout(Subtarget.is64Bit() ?
-               std::string("e-p:64:64-d:32-l:32") :
-               std::string("e-p:32:32-d:32-l:32")),
+               std::string("e-p:64:64-f64:32:64-i64:32:64") :
+               std::string("e-p:32:32-f64:32:64-i64:32:64")),
     FrameInfo(TargetFrameInfo::StackGrowsDown,
               Subtarget.getStackAlignment(), Subtarget.is64Bit() ? -8 : -4),
     InstrInfo(*this), JITInfo(*this), TLInfo(*this) {
   if (getRelocationModel() == Reloc::Default)
-    if (Subtarget.isTargetDarwin())
+    if (Subtarget.isTargetDarwin() || Subtarget.isTargetCygMing())
       setRelocationModel(Reloc::DynamicNoPIC);
     else
-      setRelocationModel(Reloc::PIC_);
+      setRelocationModel(Reloc::Static);
   if (Subtarget.is64Bit()) {
     // No DynamicNoPIC support under X86-64.
     if (getRelocationModel() == Reloc::DynamicNoPIC)
@@ -123,6 +128,19 @@ X86TargetMachine::X86TargetMachine(const Module &M, const std::string &FS, bool
     if (getCodeModel() == CodeModel::Default)
       setCodeModel(CodeModel::Small);
   }
+
+  if (Subtarget.isTargetCygMing())
+    Subtarget.setPICStyle(PICStyle::WinPIC);
+  else if (Subtarget.isTargetDarwin())
+    if (Subtarget.is64Bit())
+      Subtarget.setPICStyle(PICStyle::RIPRel);
+    else
+      Subtarget.setPICStyle(PICStyle::Stub);
+  else if (Subtarget.isTargetELF())
+    if (Subtarget.is64Bit())
+      Subtarget.setPICStyle(PICStyle::RIPRel);
+    else
+      Subtarget.setPICStyle(PICStyle::GOT);
 }
 
 //===----------------------------------------------------------------------===//
@@ -146,20 +164,22 @@ bool X86TargetMachine::addAssemblyEmitter(FunctionPassManager &PM, bool Fast,
   return false;
 }
 
-bool X86TargetMachine::addObjectWriter(FunctionPassManager &PM, bool Fast,
-                                       std::ostream &Out) {
-  if (Subtarget.isTargetELF()) {
-    addX86ELFObjectWriterPass(PM, Out, *this);
-    return false;
-  }
-  return true;
-}
-
 bool X86TargetMachine::addCodeEmitter(FunctionPassManager &PM, bool Fast,
                                       MachineCodeEmitter &MCE) {
   // FIXME: Move this to TargetJITInfo!
   setRelocationModel(Reloc::Static);
+  Subtarget.setPICStyle(PICStyle::None);
   
+  // JIT cannot ensure globals are placed in the lower 4G of address.
+  if (Subtarget.is64Bit())
+    setCodeModel(CodeModel::Large);
+
+  PM.add(createX86CodeEmitterPass(*this, MCE));
+  return false;
+}
+
+bool X86TargetMachine::addSimpleCodeEmitter(FunctionPassManager &PM, bool Fast,
+                                            MachineCodeEmitter &MCE) {
   PM.add(createX86CodeEmitterPass(*this, MCE));
   return false;
 }