Introduce new headers whose inclusion forces linking and

[oota-llvm.git] / lib / Target / PowerPC / PPCTargetMachine.cpp

diff --git a/lib/Target/PowerPC/PPCTargetMachine.cpp b/lib/Target/PowerPC/PPCTargetMachine.cpp
index d142fd161d6954c17576d833c1a0ab6e7ff34ac3..3e89885a77eb77e67a496d73fb1efda0625974b8 100644 (file)
--- a/lib/Target/PowerPC/PPCTargetMachine.cpp
+++ b/lib/Target/PowerPC/PPCTargetMachine.cpp
@@ -35,6 +35,11 @@ X("ppc32", "PowerPC 32");
 static RegisterTarget<PPC64TargetMachine>
 Y("ppc64", "PowerPC 64");
 
+// Force static initialization when called from llvm/InitializeAllTargets.h
+namespace llvm {
+  void InitializePowerPCTarget() { }
+}
+
 // No assembler printer by default
 PPCTargetMachine::AsmPrinterCtorFn PPCTargetMachine::AsmPrinterCtor = 0;
 
@@ -129,29 +134,33 @@ PPC64TargetMachine::PPC64TargetMachine(const Module &M, const std::string &FS)
 // Pass Pipeline Configuration
 //===----------------------------------------------------------------------===//
 
-bool PPCTargetMachine::addInstSelector(PassManagerBase &PM, bool Fast) {
+bool PPCTargetMachine::addInstSelector(PassManagerBase &PM,
+                                       CodeGenOpt::Level OptLevel) {
   // Install an instruction selector.
   PM.add(createPPCISelDag(*this));
   return false;
 }
 
-bool PPCTargetMachine::addPreEmitPass(PassManagerBase &PM, bool Fast) {
-  
+bool PPCTargetMachine::addPreEmitPass(PassManagerBase &PM,
+                                      CodeGenOpt::Level OptLevel) {
   // Must run branch selection immediately preceding the asm printer.
   PM.add(createPPCBranchSelectionPass());
   return false;
 }
 
-bool PPCTargetMachine::addAssemblyEmitter(PassManagerBase &PM, bool Fast, 
+bool PPCTargetMachine::addAssemblyEmitter(PassManagerBase &PM,
+                                          CodeGenOpt::Level OptLevel,
+                                          bool Verbose,
                                           raw_ostream &Out) {
   assert(AsmPrinterCtor && "AsmPrinter was not linked in");
   if (AsmPrinterCtor)
-    PM.add(AsmPrinterCtor(Out, *this, Fast));
+    PM.add(AsmPrinterCtor(Out, *this, OptLevel, Verbose));
 
   return false;
 }
 
-bool PPCTargetMachine::addCodeEmitter(PassManagerBase &PM, bool Fast,
+bool PPCTargetMachine::addCodeEmitter(PassManagerBase &PM,
+                                      CodeGenOpt::Level OptLevel,
                                       bool DumpAsm, MachineCodeEmitter &MCE) {
   // The JIT should use the static relocation model in ppc32 mode, PIC in ppc64.
   // FIXME: This should be moved to TargetJITInfo!!
@@ -176,21 +185,71 @@ bool PPCTargetMachine::addCodeEmitter(PassManagerBase &PM, bool Fast,
   if (DumpAsm) {
     assert(AsmPrinterCtor && "AsmPrinter was not linked in");
     if (AsmPrinterCtor)
-      PM.add(AsmPrinterCtor(errs(), *this, Fast));
+      PM.add(AsmPrinterCtor(errs(), *this, OptLevel, true));
+  }
+
+  return false;
+}
+
+bool PPCTargetMachine::addCodeEmitter(PassManagerBase &PM,
+                                      CodeGenOpt::Level OptLevel,
+                                      bool DumpAsm, JITCodeEmitter &JCE) {
+  // The JIT should use the static relocation model in ppc32 mode, PIC in ppc64.
+  // FIXME: This should be moved to TargetJITInfo!!
+  if (Subtarget.isPPC64()) {
+    // We use PIC codegen in ppc64 mode, because otherwise we'd have to use many
+    // instructions to materialize arbitrary global variable + function +
+    // constant pool addresses.
+    setRelocationModel(Reloc::PIC_);
+    // Temporary workaround for the inability of PPC64 JIT to handle jump
+    // tables.
+    DisableJumpTables = true;      
+  } else {
+    setRelocationModel(Reloc::Static);
+  }
+  
+  // Inform the subtarget that we are in JIT mode.  FIXME: does this break macho
+  // writing?
+  Subtarget.SetJITMode();
+  
+  // Machine code emitter pass for PowerPC.
+  PM.add(createPPCJITCodeEmitterPass(*this, JCE));
+  if (DumpAsm) {
+    assert(AsmPrinterCtor && "AsmPrinter was not linked in");
+    if (AsmPrinterCtor)
+      PM.add(AsmPrinterCtor(errs(), *this, OptLevel, true));
   }
 
   return false;
 }
 
-bool PPCTargetMachine::addSimpleCodeEmitter(PassManagerBase &PM, bool Fast,
-                                            bool DumpAsm, MachineCodeEmitter &MCE) {
+bool PPCTargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
+                                            CodeGenOpt::Level OptLevel,
+                                            bool DumpAsm, 
+                                            MachineCodeEmitter &MCE) {
   // Machine code emitter pass for PowerPC.
   PM.add(createPPCCodeEmitterPass(*this, MCE));
   if (DumpAsm) {
     assert(AsmPrinterCtor && "AsmPrinter was not linked in");
     if (AsmPrinterCtor)
-      PM.add(AsmPrinterCtor(errs(), *this, Fast));
+      PM.add(AsmPrinterCtor(errs(), *this, OptLevel, true));
   }
 
   return false;
 }
+
+bool PPCTargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
+                                            CodeGenOpt::Level OptLevel,
+                                            bool DumpAsm,
+                                            JITCodeEmitter &JCE) {
+  // Machine code emitter pass for PowerPC.
+  PM.add(createPPCJITCodeEmitterPass(*this, JCE));
+  if (DumpAsm) {
+    assert(AsmPrinterCtor && "AsmPrinter was not linked in");
+    if (AsmPrinterCtor)
+      PM.add(AsmPrinterCtor(errs(), *this, OptLevel, true));
+  }
+
+  return false;
+}
+