//
// 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 is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
//===----------------------------------------------------------------------===//
#include "PPC.h"
-#include "PPCTargetAsmInfo.h"
#include "PPCTargetMachine.h"
-#include "llvm/Module.h"
#include "llvm/PassManager.h"
-#include "llvm/Target/TargetMachineRegistry.h"
+#include "llvm/MC/MCStreamer.h"
+#include "llvm/Target/TargetOptions.h"
+#include "llvm/Support/FormattedStream.h"
+#include "llvm/Support/TargetRegistry.h"
using namespace llvm;
-namespace {
+extern "C" void LLVMInitializePowerPCTarget() {
// Register the targets
- RegisterTarget<PPC32TargetMachine>
- X("ppc32", " PowerPC 32");
- RegisterTarget<PPC64TargetMachine>
- Y("ppc64", " PowerPC 64");
+ RegisterTargetMachine<PPC32TargetMachine> A(ThePPC32Target);
+ RegisterTargetMachine<PPC64TargetMachine> B(ThePPC64Target);
}
-const TargetAsmInfo *PPCTargetMachine::createTargetAsmInfo() const {
- return new DarwinTargetAsmInfo(*this);
-}
-
-unsigned PPC32TargetMachine::getJITMatchQuality() {
-#if defined(__POWERPC__) || defined (__ppc__) || defined(_POWER)
- if (sizeof(void*) == 4)
- return 10;
-#endif
- return 0;
-}
-unsigned PPC64TargetMachine::getJITMatchQuality() {
-#if defined(__POWERPC__) || defined (__ppc__) || defined(_POWER)
- if (sizeof(void*) == 8)
- return 10;
-#endif
- return 0;
-}
-
-unsigned PPC32TargetMachine::getModuleMatchQuality(const Module &M) {
- // We strongly match "powerpc-*".
- std::string TT = M.getTargetTriple();
- if (TT.size() >= 8 && std::string(TT.begin(), TT.begin()+8) == "powerpc-")
- return 20;
-
- if (M.getEndianness() == Module::BigEndian &&
- M.getPointerSize() == Module::Pointer32)
- return 10; // Weak match
- else if (M.getEndianness() != Module::AnyEndianness ||
- M.getPointerSize() != Module::AnyPointerSize)
- return 0; // Match for some other target
-
- return getJITMatchQuality()/2;
-}
-
-unsigned PPC64TargetMachine::getModuleMatchQuality(const Module &M) {
- // We strongly match "powerpc64-*".
- std::string TT = M.getTargetTriple();
- if (TT.size() >= 10 && std::string(TT.begin(), TT.begin()+10) == "powerpc64-")
- return 20;
-
- if (M.getEndianness() == Module::BigEndian &&
- M.getPointerSize() == Module::Pointer64)
- return 10; // Weak match
- else if (M.getEndianness() != Module::AnyEndianness ||
- M.getPointerSize() != Module::AnyPointerSize)
- return 0; // Match for some other target
-
- return getJITMatchQuality()/2;
-}
-
-
-PPCTargetMachine::PPCTargetMachine(const Module &M, const std::string &FS,
+PPCTargetMachine::PPCTargetMachine(const Target &T, StringRef TT,
+ StringRef CPU, StringRef FS,
+ Reloc::Model RM, CodeModel::Model CM,
bool is64Bit)
- : Subtarget(M, FS, is64Bit),
+ : LLVMTargetMachine(T, TT, CPU, FS, RM, CM),
+ Subtarget(TT, CPU, FS, is64Bit),
DataLayout(Subtarget.getTargetDataString()), InstrInfo(*this),
- FrameInfo(*this, is64Bit), JITInfo(*this, is64Bit), TLInfo(*this),
+ FrameLowering(Subtarget), JITInfo(*this, is64Bit),
+ TLInfo(*this), TSInfo(*this),
InstrItins(Subtarget.getInstrItineraryData()) {
-
- if (getRelocationModel() == Reloc::Default)
- if (Subtarget.isDarwin())
- setRelocationModel(Reloc::DynamicNoPIC);
- else
- setRelocationModel(Reloc::PIC_);
}
-PPC32TargetMachine::PPC32TargetMachine(const Module &M, const std::string &FS)
- : PPCTargetMachine(M, FS, false) {
+/// Override this for PowerPC. Tail merging happily breaks up instruction issue
+/// groups, which typically degrades performance.
+bool PPCTargetMachine::getEnableTailMergeDefault() const { return false; }
+
+PPC32TargetMachine::PPC32TargetMachine(const Target &T, StringRef TT,
+ StringRef CPU, StringRef FS,
+ Reloc::Model RM, CodeModel::Model CM)
+ : PPCTargetMachine(T, TT, CPU, FS, RM, CM, false) {
}
-PPC64TargetMachine::PPC64TargetMachine(const Module &M, const std::string &FS)
- : PPCTargetMachine(M, FS, true) {
+PPC64TargetMachine::PPC64TargetMachine(const Target &T, StringRef TT,
+ StringRef CPU, StringRef FS,
+ Reloc::Model RM, CodeModel::Model CM)
+ : PPCTargetMachine(T, TT, CPU, FS, RM, CM, true) {
}
// Pass Pipeline Configuration
//===----------------------------------------------------------------------===//
-bool PPCTargetMachine::addInstSelector(FunctionPassManager &PM, bool Fast) {
+bool PPCTargetMachine::addInstSelector(PassManagerBase &PM,
+ CodeGenOpt::Level OptLevel) {
// Install an instruction selector.
PM.add(createPPCISelDag(*this));
return false;
}
-bool PPCTargetMachine::addPreEmitPass(FunctionPassManager &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(FunctionPassManager &PM, bool Fast,
- std::ostream &Out) {
- PM.add(createPPCAsmPrinterPass(Out, *this));
- return false;
-}
-
-bool PPCTargetMachine::addObjectWriter(FunctionPassManager &PM, bool Fast,
- std::ostream &Out) {
- // FIXME: support PPC ELF files at some point
- addPPCMachOObjectWriterPass(PM, Out, *this);
- return false;
-}
-
-bool PPCTargetMachine::addCodeEmitter(FunctionPassManager &PM, bool Fast,
- MachineCodeEmitter &MCE) {
- // The JIT should use the static relocation model.
+bool PPCTargetMachine::addCodeEmitter(PassManagerBase &PM,
+ CodeGenOpt::Level OptLevel,
+ JITCodeEmitter &JCE) {
// FIXME: This should be moved to TargetJITInfo!!
- setRelocationModel(Reloc::Static);
+ if (Subtarget.isPPC64())
+ // Temporary workaround for the inability of PPC64 JIT to handle jump
+ // tables.
+ DisableJumpTables = true;
+
+ // 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));
+ PM.add(createPPCJITCodeEmitterPass(*this, JCE));
+
return false;
}
-
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