//===----------------------------------------------------------------------===//
#include "ARMTargetMachine.h"
-#include "ARMTargetAsmInfo.h"
-#include "ARMFrameInfo.h"
+#include "ARMFrameLowering.h"
#include "ARM.h"
-#include "llvm/Module.h"
#include "llvm/PassManager.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/FormattedStream.h"
-#include "llvm/Target/TargetMachineRegistry.h"
#include "llvm/Target/TargetOptions.h"
+#include "llvm/Target/TargetRegistry.h"
using namespace llvm;
-static cl::opt<bool> DisableLdStOpti("disable-arm-loadstore-opti", cl::Hidden,
- cl::desc("Disable load store optimization pass"));
-static cl::opt<bool> DisableIfConversion("disable-arm-if-conversion",cl::Hidden,
- cl::desc("Disable if-conversion pass"));
+// This is duplicated code. Refactor this.
+static MCStreamer *createMCStreamer(const Target &T, const std::string &TT,
+ MCContext &Ctx, TargetAsmBackend &TAB,
+ raw_ostream &OS,
+ MCCodeEmitter *Emitter,
+ bool RelaxAll,
+ bool NoExecStack) {
+ Triple TheTriple(TT);
+
+ if (TheTriple.isOSDarwin())
+ return createMachOStreamer(Ctx, TAB, OS, Emitter, RelaxAll);
+
+ if (TheTriple.isOSWindows()) {
+ llvm_unreachable("ARM does not support Windows COFF format");
+ return NULL;
+ }
+
+ return createELFStreamer(Ctx, TAB, OS, Emitter, RelaxAll, NoExecStack);
+}
-/// ARMTargetMachineModule - 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 ARMTargetMachineModule;
-int ARMTargetMachineModule = 0;
+extern "C" void LLVMInitializeARMTarget() {
+ // Register the target.
+ RegisterTargetMachine<ARMTargetMachine> X(TheARMTarget);
+ RegisterTargetMachine<ThumbTargetMachine> Y(TheThumbTarget);
-// Register the target.
-extern Target TheARMTarget;
-static RegisterTarget<ARMTargetMachine> X(TheARMTarget, "arm", "ARM");
+ // Register the MC Code Emitter
+ TargetRegistry::RegisterCodeEmitter(TheARMTarget, createARMMCCodeEmitter);
+ TargetRegistry::RegisterCodeEmitter(TheThumbTarget, createARMMCCodeEmitter);
-extern Target TheThumbTarget;
-static RegisterTarget<ThumbTargetMachine> Y(TheThumbTarget, "thumb", "Thumb");
+ // Register the asm backend.
+ TargetRegistry::RegisterAsmBackend(TheARMTarget, createARMAsmBackend);
+ TargetRegistry::RegisterAsmBackend(TheThumbTarget, createARMAsmBackend);
-// Force static initialization.
-extern "C" void LLVMInitializeARMTarget() { }
+ // Register the object streamer.
+ TargetRegistry::RegisterObjectStreamer(TheARMTarget, createMCStreamer);
+ TargetRegistry::RegisterObjectStreamer(TheThumbTarget, createMCStreamer);
+
+}
/// TargetMachine ctor - Create an ARM architecture model.
///
-ARMBaseTargetMachine::ARMBaseTargetMachine(const Target &T,
- const Module &M,
- const std::string &FS,
- bool isThumb)
- : LLVMTargetMachine(T),
- Subtarget(M, FS, isThumb),
- FrameInfo(Subtarget),
+ARMBaseTargetMachine::ARMBaseTargetMachine(const Target &T, StringRef TT,
+ StringRef CPU, StringRef FS,
+ Reloc::Model RM)
+ : LLVMTargetMachine(T, TT, CPU, FS, RM),
+ Subtarget(TT, CPU, FS),
JITInfo(),
InstrItins(Subtarget.getInstrItineraryData()) {
- DefRelocModel = getRelocationModel();
+ // Default to soft float ABI
+ if (FloatABIType == FloatABI::Default)
+ FloatABIType = FloatABI::Soft;
}
-ARMTargetMachine::ARMTargetMachine(const Target &T, const Module &M,
- const std::string &FS)
- : ARMBaseTargetMachine(T, M, FS, false), InstrInfo(Subtarget),
+ARMTargetMachine::ARMTargetMachine(const Target &T, StringRef TT,
+ StringRef CPU, StringRef FS,
+ Reloc::Model RM)
+ : ARMBaseTargetMachine(T, TT, CPU, FS, RM), InstrInfo(Subtarget),
DataLayout(Subtarget.isAPCS_ABI() ?
- std::string("e-p:32:32-f64:32:32-i64:32:32") :
- std::string("e-p:32:32-f64:64:64-i64:64:64")),
- TLInfo(*this) {
+ std::string("e-p:32:32-f64:32:64-i64:32:64-"
+ "v128:32:128-v64:32:64-n32") :
+ std::string("e-p:32:32-f64:64:64-i64:64:64-"
+ "v128:64:128-v64:64:64-n32")),
+ ELFWriterInfo(*this),
+ TLInfo(*this),
+ TSInfo(*this),
+ FrameLowering(Subtarget) {
+ if (!Subtarget.hasARMOps())
+ report_fatal_error("CPU: '" + Subtarget.getCPUString() + "' does not "
+ "support ARM mode execution!");
}
-ThumbTargetMachine::ThumbTargetMachine(const Target &T, const Module &M,
- const std::string &FS)
- : ARMBaseTargetMachine(T, M, FS, true),
+ThumbTargetMachine::ThumbTargetMachine(const Target &T, StringRef TT,
+ StringRef CPU, StringRef FS,
+ Reloc::Model RM)
+ : ARMBaseTargetMachine(T, TT, CPU, FS, RM),
+ InstrInfo(Subtarget.hasThumb2()
+ ? ((ARMBaseInstrInfo*)new Thumb2InstrInfo(Subtarget))
+ : ((ARMBaseInstrInfo*)new Thumb1InstrInfo(Subtarget))),
DataLayout(Subtarget.isAPCS_ABI() ?
- std::string("e-p:32:32-f64:32:32-i64:32:32-"
- "i16:16:32-i8:8:32-i1:8:32-a:0:32") :
+ std::string("e-p:32:32-f64:32:64-i64:32:64-"
+ "i16:16:32-i8:8:32-i1:8:32-"
+ "v128:32:128-v64:32:64-a:0:32-n32") :
std::string("e-p:32:32-f64:64:64-i64:64:64-"
- "i16:16:32-i8:8:32-i1:8:32-a:0:32")),
- TLInfo(*this) {
- // Create the approriate type of Thumb InstrInfo
- if (Subtarget.hasThumb2())
- InstrInfo = new Thumb2InstrInfo(Subtarget);
- else
- InstrInfo = new Thumb1InstrInfo(Subtarget);
+ "i16:16:32-i8:8:32-i1:8:32-"
+ "v128:64:128-v64:64:64-a:0:32-n32")),
+ ELFWriterInfo(*this),
+ TLInfo(*this),
+ TSInfo(*this),
+ FrameLowering(Subtarget.hasThumb2()
+ ? new ARMFrameLowering(Subtarget)
+ : (ARMFrameLowering*)new Thumb1FrameLowering(Subtarget)) {
}
+// Pass Pipeline Configuration
+bool ARMBaseTargetMachine::addPreISel(PassManagerBase &PM,
+ CodeGenOpt::Level OptLevel) {
+ if (OptLevel != CodeGenOpt::None)
+ PM.add(createARMGlobalMergePass(getTargetLowering()));
-const TargetAsmInfo *ARMBaseTargetMachine::createTargetAsmInfo() const {
- switch (Subtarget.TargetType) {
- case ARMSubtarget::isDarwin:
- return new ARMDarwinTargetAsmInfo(*this);
- case ARMSubtarget::isELF:
- return new ARMELFTargetAsmInfo(*this);
- default:
- return new ARMGenericTargetAsmInfo(*this);
- }
+ return false;
}
-
-// Pass Pipeline Configuration
bool ARMBaseTargetMachine::addInstSelector(PassManagerBase &PM,
CodeGenOpt::Level OptLevel) {
- PM.add(createARMISelDag(*this));
+ PM.add(createARMISelDag(*this, OptLevel));
return false;
}
bool ARMBaseTargetMachine::addPreRegAlloc(PassManagerBase &PM,
CodeGenOpt::Level OptLevel) {
- // FIXME: temporarily disabling load / store optimization pass for Thumb mode.
- if (OptLevel != CodeGenOpt::None && !DisableLdStOpti && !Subtarget.isThumb())
+ // FIXME: temporarily disabling load / store optimization pass for Thumb1.
+ if (OptLevel != CodeGenOpt::None && !Subtarget.isThumb1Only())
PM.add(createARMLoadStoreOptimizationPass(true));
+ if (OptLevel != CodeGenOpt::None && Subtarget.isCortexA9())
+ PM.add(createMLxExpansionPass());
+
return true;
}
-bool ARMBaseTargetMachine::addPreEmitPass(PassManagerBase &PM,
- CodeGenOpt::Level OptLevel) {
- // FIXME: temporarily disabling load / store optimization pass for Thumb mode.
- if (OptLevel != CodeGenOpt::None && !DisableLdStOpti && !Subtarget.isThumb())
- PM.add(createARMLoadStoreOptimizationPass());
+bool ARMBaseTargetMachine::addPreSched2(PassManagerBase &PM,
+ CodeGenOpt::Level OptLevel) {
+ // FIXME: temporarily disabling load / store optimization pass for Thumb1.
+ if (OptLevel != CodeGenOpt::None) {
+ if (!Subtarget.isThumb1Only())
+ PM.add(createARMLoadStoreOptimizationPass());
+ if (Subtarget.hasNEON())
+ PM.add(createNEONMoveFixPass());
+ }
- if (OptLevel != CodeGenOpt::None &&
- !DisableIfConversion && !Subtarget.isThumb())
- PM.add(createIfConverterPass());
+ // Expand some pseudo instructions into multiple instructions to allow
+ // proper scheduling.
+ PM.add(createARMExpandPseudoPass());
+ if (OptLevel != CodeGenOpt::None) {
+ if (!Subtarget.isThumb1Only())
+ PM.add(createIfConverterPass());
+ }
if (Subtarget.isThumb2())
PM.add(createThumb2ITBlockPass());
- PM.add(createARMConstantIslandPass());
return true;
}
-bool ARMBaseTargetMachine::addAssemblyEmitter(PassManagerBase &PM,
- CodeGenOpt::Level OptLevel,
- bool Verbose,
- formatted_raw_ostream &Out) {
- FunctionPass *Printer = getTarget().createAsmPrinter(Out, *this, Verbose);
- if (!Printer)
- llvm_report_error("unable to create assembly printer");
- PM.add(Printer);
- return false;
-}
-
-
-bool ARMBaseTargetMachine::addCodeEmitter(PassManagerBase &PM,
- CodeGenOpt::Level OptLevel,
- MachineCodeEmitter &MCE) {
- // FIXME: Move this to TargetJITInfo!
- if (DefRelocModel == Reloc::Default)
- setRelocationModel(Reloc::Static);
+bool ARMBaseTargetMachine::addPreEmitPass(PassManagerBase &PM,
+ CodeGenOpt::Level OptLevel) {
+ if (Subtarget.isThumb2() && !Subtarget.prefers32BitThumb())
+ PM.add(createThumb2SizeReductionPass());
- // Machine code emitter pass for ARM.
- PM.add(createARMCodeEmitterPass(*this, MCE));
- return false;
+ PM.add(createARMConstantIslandPass());
+ return true;
}
bool ARMBaseTargetMachine::addCodeEmitter(PassManagerBase &PM,
CodeGenOpt::Level OptLevel,
JITCodeEmitter &JCE) {
- // FIXME: Move this to TargetJITInfo!
- if (DefRelocModel == Reloc::Default)
- setRelocationModel(Reloc::Static);
-
// Machine code emitter pass for ARM.
PM.add(createARMJITCodeEmitterPass(*this, JCE));
return false;
}
-
-bool ARMBaseTargetMachine::addCodeEmitter(PassManagerBase &PM,
- CodeGenOpt::Level OptLevel,
- ObjectCodeEmitter &OCE) {
- // FIXME: Move this to TargetJITInfo!
- if (DefRelocModel == Reloc::Default)
- setRelocationModel(Reloc::Static);
-
- // Machine code emitter pass for ARM.
- PM.add(createARMObjectCodeEmitterPass(*this, OCE));
- return false;
-}
-
-bool ARMBaseTargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
- CodeGenOpt::Level OptLevel,
- MachineCodeEmitter &MCE) {
- // Machine code emitter pass for ARM.
- PM.add(createARMCodeEmitterPass(*this, MCE));
- return false;
-}
-
-bool ARMBaseTargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
- CodeGenOpt::Level OptLevel,
- JITCodeEmitter &JCE) {
- // Machine code emitter pass for ARM.
- PM.add(createARMJITCodeEmitterPass(*this, JCE));
- return false;
-}
-
-bool ARMBaseTargetMachine::addSimpleCodeEmitter(PassManagerBase &PM,
- CodeGenOpt::Level OptLevel,
- ObjectCodeEmitter &OCE) {
- // Machine code emitter pass for ARM.
- PM.add(createARMObjectCodeEmitterPass(*this, OCE));
- return false;
-}
-
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