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-rw-r--r--lib/Target/PowerPC/PPCTargetMachine.cpp177
1 files changed, 61 insertions, 116 deletions
diff --git a/lib/Target/PowerPC/PPCTargetMachine.cpp b/lib/Target/PowerPC/PPCTargetMachine.cpp
index e9073d6..3371954 100644
--- a/lib/Target/PowerPC/PPCTargetMachine.cpp
+++ b/lib/Target/PowerPC/PPCTargetMachine.cpp
@@ -12,96 +12,38 @@
//===----------------------------------------------------------------------===//
#include "PPC.h"
-#include "PPCTargetAsmInfo.h"
+#include "PPCMCAsmInfo.h"
#include "PPCTargetMachine.h"
-#include "llvm/Module.h"
#include "llvm/PassManager.h"
-#include "llvm/Target/TargetMachineRegistry.h"
#include "llvm/Target/TargetOptions.h"
-#include "llvm/Support/raw_ostream.h"
+#include "llvm/Target/TargetRegistry.h"
+#include "llvm/Support/FormattedStream.h"
using namespace llvm;
-/// PowerPCTargetMachineModule - Note that this is used on hosts that
-/// cannot link in a library unless there are references into the
-/// library. In particular, it seems that it is not possible to get
-/// things to work on Win32 without this. Though it is unused, do not
-/// remove it.
-extern "C" int PowerPCTargetMachineModule;
-int PowerPCTargetMachineModule = 0;
-
-// Register the targets
-static RegisterTarget<PPC32TargetMachine>
-X("ppc32", "PowerPC 32");
-static RegisterTarget<PPC64TargetMachine>
-Y("ppc64", "PowerPC 64");
-
-// Force static initialization.
-extern "C" void LLVMInitializePowerPCTarget() { }
-
-// No assembler printer by default
-PPCTargetMachine::AsmPrinterCtorFn PPCTargetMachine::AsmPrinterCtor = 0;
-
-const TargetAsmInfo *PPCTargetMachine::createTargetAsmInfo() const {
- if (Subtarget.isDarwin())
- return new PPCDarwinTargetAsmInfo(*this);
- else
- return new PPCLinuxTargetAsmInfo(*this);
-}
-
-unsigned PPC32TargetMachine::getJITMatchQuality() {
-#if defined(__POWERPC__) || defined (__ppc__) || defined(_POWER) || defined(__PPC__)
- if (sizeof(void*) == 4)
- return 10;
-#endif
- return 0;
-}
-unsigned PPC64TargetMachine::getJITMatchQuality() {
-#if defined(__POWERPC__) || defined (__ppc__) || defined(_POWER) || defined(__PPC__)
- 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 the target triple is something non-powerpc, we don't match.
- if (!TT.empty()) return 0;
+static const MCAsmInfo *createMCAsmInfo(const Target &T,
+ const StringRef &TT) {
+ Triple TheTriple(TT);
+ bool isPPC64 = TheTriple.getArch() == Triple::ppc64;
+ if (TheTriple.getOS() == Triple::Darwin)
+ return new PPCMCAsmInfoDarwin(isPPC64);
+ return new PPCLinuxMCAsmInfo(isPPC64);
- 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
+extern "C" void LLVMInitializePowerPCTarget() {
+ // Register the targets
+ RegisterTargetMachine<PPC32TargetMachine> A(ThePPC32Target);
+ RegisterTargetMachine<PPC64TargetMachine> B(ThePPC64Target);
- return getJITMatchQuality()/2;
+ RegisterAsmInfoFn C(ThePPC32Target, createMCAsmInfo);
+ RegisterAsmInfoFn D(ThePPC64Target, createMCAsmInfo);
}
-PPCTargetMachine::PPCTargetMachine(const Module &M, const std::string &FS,
- bool is64Bit)
- : Subtarget(*this, M, FS, is64Bit),
+PPCTargetMachine::PPCTargetMachine(const Target &T, const std::string &TT,
+ const std::string &FS, bool is64Bit)
+ : LLVMTargetMachine(T, TT),
+ Subtarget(TT, FS, is64Bit),
DataLayout(Subtarget.getTargetDataString()), InstrInfo(*this),
FrameInfo(*this, is64Bit), JITInfo(*this, is64Bit), TLInfo(*this),
InstrItins(Subtarget.getInstrItineraryData()), MachOWriterInfo(*this) {
@@ -118,13 +60,15 @@ PPCTargetMachine::PPCTargetMachine(const Module &M, const std::string &FS,
/// groups, which typically degrades performance.
bool PPCTargetMachine::getEnableTailMergeDefault() const { return false; }
-PPC32TargetMachine::PPC32TargetMachine(const Module &M, const std::string &FS)
- : PPCTargetMachine(M, FS, false) {
+PPC32TargetMachine::PPC32TargetMachine(const Target &T, const std::string &TT,
+ const std::string &FS)
+ : PPCTargetMachine(T, TT, FS, false) {
}
-PPC64TargetMachine::PPC64TargetMachine(const Module &M, const std::string &FS)
- : PPCTargetMachine(M, FS, true) {
+PPC64TargetMachine::PPC64TargetMachine(const Target &T, const std::string &TT,
+ const std::string &FS)
+ : PPCTargetMachine(T, TT, FS, true) {
}
@@ -146,20 +90,36 @@ bool PPCTargetMachine::addPreEmitPass(PassManagerBase &PM,
return false;
}
-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, Verbose));
+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,
- bool DumpAsm, MachineCodeEmitter &MCE) {
+ 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()) {
@@ -179,19 +139,14 @@ bool PPCTargetMachine::addCodeEmitter(PassManagerBase &PM,
Subtarget.SetJITMode();
// 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, true));
- }
+ PM.add(createPPCJITCodeEmitterPass(*this, JCE));
return false;
}
bool PPCTargetMachine::addCodeEmitter(PassManagerBase &PM,
CodeGenOpt::Level OptLevel,
- bool DumpAsm, JITCodeEmitter &JCE) {
+ 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()) {
@@ -211,43 +166,33 @@ bool PPCTargetMachine::addCodeEmitter(PassManagerBase &PM,
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, true));
- }
+ PM.add(createPPCObjectCodeEmitterPass(*this, OCE));
return false;
}
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, 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, true));
- }
+ 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;
}
+
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