Implement a bunch more TargetSelectionDAGInfo infrastructure.

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

diff --git a/lib/Target/PowerPC/PPCTargetMachine.cpp b/lib/Target/PowerPC/PPCTargetMachine.cpp
index 637254279334e322bc47f7539f38a63df2935173..10cd10b9038f8be56bb0bbdc92fb561a3f04ed34 100644 (file)
--- a/lib/Target/PowerPC/PPCTargetMachine.cpp
+++ b/lib/Target/PowerPC/PPCTargetMachine.cpp
@@ -20,7 +20,7 @@
 #include "llvm/Support/FormattedStream.h"
 using namespace llvm;
 
-static const MCAsmInfo *createMCAsmInfo(const Target &T, StringRef TT) {
+static MCAsmInfo *createMCAsmInfo(const Target &T, StringRef TT) {
   Triple TheTriple(TT);
   bool isPPC64 = TheTriple.getArch() == Triple::ppc64;
   if (TheTriple.getOS() == Triple::Darwin)
@@ -44,7 +44,8 @@ PPCTargetMachine::PPCTargetMachine(const Target &T, const std::string &TT,
   : LLVMTargetMachine(T, TT),
     Subtarget(TT, FS, is64Bit),
     DataLayout(Subtarget.getTargetDataString()), InstrInfo(*this),
-    FrameInfo(*this, is64Bit), JITInfo(*this, is64Bit), TLInfo(*this),
+    FrameInfo(*this, is64Bit), JITInfo(*this, is64Bit),
+    TLInfo(*this), TSInfo(*this),
     InstrItins(Subtarget.getInstrItineraryData()) {
 
   if (getRelocationModel() == Reloc::Default) {
@@ -89,33 +90,6 @@ bool PPCTargetMachine::addPreEmitPass(PassManagerBase &PM,
   return false;
 }
 
-bool PPCTargetMachine::addCodeEmitter(PassManagerBase &PM,
-                                      CodeGenOpt::Level OptLevel,
-                                      MachineCodeEmitter &MCE) {
-  // 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(createPPCCodeEmitterPass(*this, MCE));
-
-  return false;
-}
-
 bool PPCTargetMachine::addCodeEmitter(PassManagerBase &PM,
                                       CodeGenOpt::Level OptLevel,
                                       JITCodeEmitter &JCE) {
@@ -142,83 +116,3 @@ bool PPCTargetMachine::addCodeEmitter(PassManagerBase &PM,
 
   return false;
 }
-
-bool PPCTargetMachine::addCodeEmitter(PassManagerBase &PM,
-                                      CodeGenOpt::Level OptLevel,
-                                      ObjectCodeEmitter &OCE) {
-  // 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(createPPCObjectCodeEmitterPass(*this, OCE));
-
-  return false;
-}
-
-bool PPCTargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
-                                            CodeGenOpt::Level OptLevel,
-                                            MachineCodeEmitter &MCE) {
-  // Machine code emitter pass for PowerPC.
-  PM.add(createPPCCodeEmitterPass(*this, MCE));
-  return false;
-}
-
-bool PPCTargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
-                                            CodeGenOpt::Level OptLevel,
-                                            JITCodeEmitter &JCE) {
-  // Machine code emitter pass for PowerPC.
-  PM.add(createPPCJITCodeEmitterPass(*this, JCE));
-  return false;
-}
-
-bool PPCTargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
-                                            CodeGenOpt::Level OptLevel,
-                                            ObjectCodeEmitter &OCE) {
-  // Machine code emitter pass for PowerPC.
-  PM.add(createPPCObjectCodeEmitterPass(*this, OCE));
-  return false;
-}
-
-/// getLSDAEncoding - Returns the LSDA pointer encoding. The choices are 4-byte,
-/// 8-byte, and target default. The CIE is hard-coded to indicate that the LSDA
-/// pointer in the FDE section is an "sdata4", and should be encoded as a 4-byte
-/// pointer by default. However, some systems may require a different size due
-/// to bugs or other conditions. We will default to a 4-byte encoding unless the
-/// system tells us otherwise.
-///
-/// The issue is when the CIE says their is an LSDA. That mandates that every
-/// FDE have an LSDA slot. But if the function does not need an LSDA. There
-/// needs to be some way to signify there is none. The LSDA is encoded as
-/// pc-rel. But you don't look for some magic value after adding the pc. You
-/// have to look for a zero before adding the pc. The problem is that the size
-/// of the zero to look for depends on the encoding. The unwinder bug in SL is
-/// that it always checks for a pointer-size zero. So on x86_64 it looks for 8
-/// bytes of zero. If you have an LSDA, it works fine since the 8-bytes are
-/// non-zero so it goes ahead and then reads the value based on the encoding.
-/// But if you use sdata4 and there is no LSDA, then the test for zero gives a
-/// false negative and the unwinder thinks there is an LSDA.
-///
-/// FIXME: This call-back isn't good! We should be using the correct encoding
-/// regardless of the system. However, there are some systems which have bugs
-/// that prevent this from occuring.
-DwarfLSDAEncoding::Encoding PPCTargetMachine::getLSDAEncoding() const {
-  if (Subtarget.isDarwin() && Subtarget.getDarwinVers() != 10)
-    return DwarfLSDAEncoding::Default;
-
-  return DwarfLSDAEncoding::EightByte;
-}