-//===-- PowerPCTargetMachine.cpp - Define TargetMachine for PowerPC -------===//
+//===-- PPCTargetMachine.cpp - Define TargetMachine for PowerPC -----------===//
//
// The LLVM Compiler Infrastructure
//
//
//===----------------------------------------------------------------------===//
-#include "PowerPC.h"
-#include "PowerPCFrameInfo.h"
-#include "PPC32TargetMachine.h"
-#include "PPC32JITInfo.h"
+#include "PPC.h"
+#include "PPCFrameInfo.h"
+#include "PPCTargetMachine.h"
+#include "PPCJITInfo.h"
#include "llvm/Module.h"
#include "llvm/PassManager.h"
#include "llvm/Analysis/Verifier.h"
-#include "llvm/CodeGen/IntrinsicLowering.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/Target/TargetOptions.h"
using namespace llvm;
namespace {
- const char *PPC32ID = "PowerPC/32bit";
-
- static cl::opt<bool> DisablePPCDAGDAG("disable-ppc-dag-isel", cl::Hidden,
- cl::desc("Disable DAG-to-DAG isel for PPC"));
-
// Register the targets
RegisterTarget<PPC32TargetMachine>
- X("ppc32", " PowerPC 32-bit");
-}
-
-PowerPCTargetMachine::PowerPCTargetMachine(const std::string &name,
- IntrinsicLowering *IL,
- const Module &M,
- const std::string &FS,
- const TargetData &TD,
- const PowerPCFrameInfo &TFI)
-: TargetMachine(name, IL, TD), FrameInfo(TFI), Subtarget(M, FS) {
- if (TargetDefault == PPCTarget) {
- if (Subtarget.isAIX()) PPCTarget = TargetAIX;
- if (Subtarget.isDarwin()) PPCTarget = TargetDarwin;
- }
+ X("ppc32", " PowerPC 32");
+ RegisterTarget<PPC64TargetMachine>
+ Y("ppc64", " PowerPC 64");
}
unsigned PPC32TargetMachine::getJITMatchQuality() {
#if defined(__POWERPC__) || defined (__ppc__) || defined(_POWER)
- return 10;
-#else
+ 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,
+ bool is64Bit)
+ : TargetMachine("PowerPC"), Subtarget(M, FS, is64Bit),
+ DataLayout(Subtarget.getTargetDataString()), InstrInfo(*this),
+ FrameInfo(*this, false), JITInfo(*this), TLInfo(*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) {
+}
+
+
+PPC64TargetMachine::PPC64TargetMachine(const Module &M, const std::string &FS)
+ : PPCTargetMachine(M, FS, true) {
}
/// addPassesToEmitFile - Add passes to the specified pass manager to implement
/// a static compiler for this target.
///
-bool PowerPCTargetMachine::addPassesToEmitFile(PassManager &PM,
- std::ostream &Out,
- CodeGenFileType FileType) {
- if (FileType != TargetMachine::AssemblyFile) return true;
-
+bool PPCTargetMachine::addPassesToEmitFile(PassManager &PM, std::ostream &Out,
+ CodeGenFileType FileType,
+ bool Fast) {
+ if (FileType != TargetMachine::AssemblyFile &&
+ FileType != TargetMachine::ObjectFile) return true;
+
// Run loop strength reduction before anything else.
- PM.add(createLoopStrengthReducePass());
+ if (!Fast) PM.add(createLoopStrengthReducePass(&TLInfo));
// FIXME: Implement efficient support for garbage collection intrinsics.
PM.add(createLowerGCPass());
PM.add(createLowerInvokePass());
// Clean up after other passes, e.g. merging critical edges.
- PM.add(createCFGSimplificationPass());
-
- // FIXME: Implement the switch instruction in the instruction selector!
- PM.add(createLowerSwitchPass());
+ if (!Fast) PM.add(createCFGSimplificationPass());
// Make sure that no unreachable blocks are instruction selected.
PM.add(createUnreachableBlockEliminationPass());
// Install an instruction selector.
- if (!DisablePPCDAGDAG)
- PM.add(createPPC32ISelDag(*this));
- else
- PM.add(createPPC32ISelPattern(*this));
+ PM.add(createPPCISelDag(*this));
if (PrintMachineCode)
PM.add(createMachineFunctionPrinterPass(&std::cerr));
// Must run branch selection immediately preceding the asm printer
PM.add(createPPCBranchSelectionPass());
- // Decide which asm printer to use. If the user has not specified one on
- // the command line, choose whichever one matches the default (current host).
- switch (PPCTarget) {
- case TargetAIX:
- PM.add(createAIXAsmPrinter(Out, *this));
- break;
- case TargetDefault:
- case TargetDarwin:
+ if (FileType == TargetMachine::AssemblyFile)
PM.add(createDarwinAsmPrinter(Out, *this));
- break;
- }
+ else
+ // FIXME: support PPC ELF files at some point
+ addPPCMachOObjectWriterPass(PM, Out, *this);
PM.add(createMachineCodeDeleter());
return false;
}
-void PowerPCJITInfo::addPassesToJITCompile(FunctionPassManager &PM) {
- // The JIT does not support or need PIC.
- PICEnabled = false;
+void PPCJITInfo::addPassesToJITCompile(FunctionPassManager &PM) {
+ // The JIT should use the static relocation model.
+ TM.setRelocationModel(Reloc::Static);
// Run loop strength reduction before anything else.
- PM.add(createLoopStrengthReducePass());
+ PM.add(createLoopStrengthReducePass(TM.getTargetLowering()));
// FIXME: Implement efficient support for garbage collection intrinsics.
PM.add(createLowerGCPass());
// Clean up after other passes, e.g. merging critical edges.
PM.add(createCFGSimplificationPass());
- // FIXME: Implement the switch instruction in the instruction selector!
- PM.add(createLowerSwitchPass());
-
// Make sure that no unreachable blocks are instruction selected.
PM.add(createUnreachableBlockEliminationPass());
// Install an instruction selector.
- if (!DisablePPCDAGDAG)
- PM.add(createPPC32ISelDag(TM));
- else
- PM.add(createPPC32ISelPattern(TM));
+ PM.add(createPPCISelDag(TM));
PM.add(createRegisterAllocator());
PM.add(createPrologEpilogCodeInserter());
PM.add(createMachineFunctionPrinterPass(&std::cerr));
}
-/// PowerPCTargetMachine ctor - Create an ILP32 architecture model
+/// addPassesToEmitMachineCode - Add passes to the specified pass manager to get
+/// machine code emitted. This uses a MachineCodeEmitter object to handle
+/// actually outputting the machine code and resolving things like the address
+/// of functions. This method should returns true if machine code emission is
+/// not supported.
///
-PPC32TargetMachine::PPC32TargetMachine(const Module &M, IntrinsicLowering *IL,
- const std::string &FS)
- : PowerPCTargetMachine(PPC32ID, IL, M, FS,
- TargetData(PPC32ID,false,4,4,4,4,4,4,2,1,1),
- PowerPCFrameInfo(*this, false)), JITInfo(*this) {}
-
-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;
+bool PPCTargetMachine::addPassesToEmitMachineCode(FunctionPassManager &PM,
+ MachineCodeEmitter &MCE) {
+ // Machine code emitter pass for PowerPC
+ PM.add(createPPCCodeEmitterPass(*this, MCE));
+ // Delete machine code for this function after emitting it
+ PM.add(createMachineCodeDeleter());
+ return false;
}
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