X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FTargetMachine.cpp;h=74c90ed54e2f2c96602fcc422436418cbaa70156;hb=b8a45c27986806220c6b112e5b6ee7baa1ab2efe;hp=8ee16f3d3d20c74ae1ba85b0280dbe492899664c;hpb=e67d5fb6fdc4e4d52d7641121557d2fc21df79ee;p=oota-llvm.git

diff --git a/lib/Target/TargetMachine.cpp b/lib/Target/TargetMachine.cpp
index 8ee16f3d3d2..74c90ed54e2 100644
--- a/lib/Target/TargetMachine.cpp
+++ b/lib/Target/TargetMachine.cpp
@@ -1,10 +1,10 @@
 //===-- TargetMachine.cpp - General Target Information ---------------------==//
-// 
+//
 //                     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 describes the general parts of a Target machine.
@@ -12,53 +12,92 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Target/TargetMachine.h"
+#include "llvm/Target/TargetOptions.h"
 #include "llvm/Type.h"
-#include "llvm/CodeGen/IntrinsicLowering.h"
-#include "Support/CommandLine.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 { 
+namespace llvm {
   bool PrintMachineCode;
   bool NoFramePointerElim;
+  bool NoExcessFPPrecision;
+  bool UnsafeFPMath;
+  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> 
+  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<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));
 };
 
 //---------------------------------------------------------------------------
 // TargetMachine Class
 //
-TargetMachine::TargetMachine(const std::string &name, IntrinsicLowering *il,
-                             bool LittleEndian,
+TargetMachine::TargetMachine(const std::string &name, bool LittleEndian,
                              unsigned char PtrSize, unsigned char PtrAl,
                              unsigned char DoubleAl, unsigned char FloatAl,
                              unsigned char LongAl, unsigned char IntAl,
-                             unsigned char ShortAl, unsigned char ByteAl)
+                             unsigned char ShortAl, unsigned char ByteAl,
+                             unsigned char BoolAl)
   : Name(name), DataLayout(name, LittleEndian,
                            PtrSize, PtrAl, DoubleAl, FloatAl, LongAl,
-                           IntAl, ShortAl, ByteAl) {
-  IL = il ? il : new DefaultIntrinsicLowering();
+                           IntAl, ShortAl, ByteAl, BoolAl) {
+}
+
+TargetMachine::TargetMachine(const std::string &name, const TargetData &TD)
+  : Name(name), DataLayout(TD) {
 }
-TargetMachine::TargetMachine(const std::string &name, IntrinsicLowering *il,
-                             const Module &M)
+
+TargetMachine::TargetMachine(const std::string &name, const Module &M)
   : Name(name), DataLayout(name, &M) {
-  IL = il ? il : new DefaultIntrinsicLowering();
 }
 
 TargetMachine::~TargetMachine() {
-  delete IL;
 }
 
+/// 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;
+}
+
+/// setRelocationModel - Sets the code generation relocation model.
+void TargetMachine::setRelocationModel(Reloc::Model Model) {
+  RelocationModel = Model;
+}