//===----------------------------------------------------------------------===//
#include "ARMTargetMachine.h"
-#include "ARMMCAsmInfo.h"
-#include "ARMFrameInfo.h"
+#include "ARMFrameLowering.h"
#include "ARM.h"
#include "llvm/PassManager.h"
#include "llvm/CodeGen/Passes.h"
+#include "llvm/Support/CommandLine.h"
#include "llvm/Support/FormattedStream.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/Target/TargetRegistry.h"
using namespace llvm;
-static MCAsmInfo *createMCAsmInfo(const Target &T, StringRef TT) {
+// 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);
- switch (TheTriple.getOS()) {
- case Triple::Darwin:
- return new ARMMCAsmInfoDarwin();
- default:
- return new ARMELFMCAsmInfo();
+
+ 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);
+}
extern "C" void LLVMInitializeARMTarget() {
// Register the target.
RegisterTargetMachine<ARMTargetMachine> X(TheARMTarget);
RegisterTargetMachine<ThumbTargetMachine> Y(TheThumbTarget);
- // Register the target asm info.
- RegisterAsmInfoFn A(TheARMTarget, createMCAsmInfo);
- RegisterAsmInfoFn B(TheThumbTarget, createMCAsmInfo);
+ // Register the MC Code Emitter
+ TargetRegistry::RegisterCodeEmitter(TheARMTarget, createARMMCCodeEmitter);
+ TargetRegistry::RegisterCodeEmitter(TheThumbTarget, createARMMCCodeEmitter);
+
+ // Register the asm backend.
+ TargetRegistry::RegisterAsmBackend(TheARMTarget, createARMAsmBackend);
+ TargetRegistry::RegisterAsmBackend(TheThumbTarget, createARMAsmBackend);
+
+ // 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 std::string &TT,
- const std::string &FS,
- bool isThumb)
- : LLVMTargetMachine(T, TT),
- Subtarget(TT, 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 std::string &TT,
- const std::string &FS)
- : ARMBaseTargetMachine(T, TT, 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-f64:32:64-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) {
+ 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 std::string &TT,
- const std::string &FS)
- : ARMBaseTargetMachine(T, TT, 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-"
+ 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-"
"v128:64:128-v64:64:64-a:0:32-n32")),
+ ELFWriterInfo(*this),
TLInfo(*this),
- TSInfo(*this) {
+ TSInfo(*this),
+ FrameLowering(Subtarget.hasThumb2()
+ ? new ARMFrameLowering(Subtarget)
+ : (ARMFrameLowering*)new Thumb1FrameLowering(Subtarget)) {
}
// Pass Pipeline Configuration
bool ARMBaseTargetMachine::addPreRegAlloc(PassManagerBase &PM,
CodeGenOpt::Level OptLevel) {
- if (Subtarget.hasNEON())
- PM.add(createNEONPreAllocPass());
-
// 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) {
- if (Subtarget.isThumb2())
+ if (Subtarget.isThumb2() && !Subtarget.prefers32BitThumb())
PM.add(createThumb2SizeReductionPass());
PM.add(createARMConstantIslandPass());
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;
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