//
//===----------------------------------------------------------------------===//
-#include "llvm/Transforms/Scalar.h"
-#include "llvm/PassManager.h"
+#include "llvm/Target/TargetMachine.h"
+#include "llvm/ADT/OwningPtr.h"
#include "llvm/CodeGen/AsmPrinter.h"
-#include "llvm/CodeGen/Passes.h"
#include "llvm/CodeGen/MachineFunctionAnalysis.h"
#include "llvm/CodeGen/MachineModuleInfo.h"
-#include "llvm/Target/TargetInstrInfo.h"
-#include "llvm/Target/TargetLowering.h"
-#include "llvm/Target/TargetLoweringObjectFile.h"
-#include "llvm/Target/TargetMachine.h"
-#include "llvm/Target/TargetOptions.h"
-#include "llvm/Target/TargetSubtargetInfo.h"
-#include "llvm/Target/TargetRegisterInfo.h"
+#include "llvm/CodeGen/Passes.h"
+#include "llvm/IR/IRPrintingPasses.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCStreamer.h"
#include "llvm/MC/MCSubtargetInfo.h"
-#include "llvm/ADT/OwningPtr.h"
+#include "llvm/PassManager.h"
#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/FormattedStream.h"
#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/FormattedStream.h"
#include "llvm/Support/TargetRegistry.h"
+#include "llvm/Target/TargetInstrInfo.h"
+#include "llvm/Target/TargetLowering.h"
+#include "llvm/Target/TargetLoweringObjectFile.h"
+#include "llvm/Target/TargetOptions.h"
+#include "llvm/Target/TargetRegisterInfo.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
+#include "llvm/Transforms/Scalar.h"
using namespace llvm;
// Enable or disable FastISel. Both options are needed, because
llvm_unreachable("Invalid verbose asm state");
}
-LLVMTargetMachine::LLVMTargetMachine(const Target &T, StringRef Triple,
- StringRef CPU, StringRef FS,
- TargetOptions Options,
- Reloc::Model RM, CodeModel::Model CM,
- CodeGenOpt::Level OL)
- : TargetMachine(T, Triple, CPU, FS, Options) {
- CodeGenInfo = T.createMCCodeGenInfo(Triple, RM, CM, OL);
- AsmInfo = T.createMCAsmInfo(Triple);
+void LLVMTargetMachine::initAsmInfo() {
+ MCAsmInfo *TmpAsmInfo = TheTarget.createMCAsmInfo(*getRegisterInfo(),
+ TargetTriple);
// TargetSelect.h moved to a different directory between LLVM 2.9 and 3.0,
// and if the old one gets included then MCAsmInfo will be NULL and
// we'll crash later.
// Provide the user with a useful error message about what's wrong.
- assert(AsmInfo && "MCAsmInfo not initialized."
+ assert(TmpAsmInfo && "MCAsmInfo not initialized. "
"Make sure you include the correct TargetSelect.h"
"and that InitializeAllTargetMCs() is being invoked!");
+
+ if (Options.DisableIntegratedAS)
+ TmpAsmInfo->setUseIntegratedAssembler(false);
+
+ AsmInfo = TmpAsmInfo;
}
-/// Turn exception handling constructs into something the code generators can
-/// handle.
-static void addPassesToHandleExceptions(TargetMachine *TM,
- PassManagerBase &PM) {
- switch (TM->getMCAsmInfo()->getExceptionHandlingType()) {
- case ExceptionHandling::SjLj:
- // SjLj piggy-backs on dwarf for this bit. The cleanups done apply to both
- // Dwarf EH prepare needs to be run after SjLj prepare. Otherwise,
- // catch info can get misplaced when a selector ends up more than one block
- // removed from the parent invoke(s). This could happen when a landing
- // pad is shared by multiple invokes and is also a target of a normal
- // edge from elsewhere.
- PM.add(createSjLjEHPass(TM->getTargetLowering()));
- // FALLTHROUGH
- case ExceptionHandling::DwarfCFI:
- case ExceptionHandling::ARM:
- case ExceptionHandling::Win64:
- PM.add(createDwarfEHPass(TM));
- break;
- case ExceptionHandling::None:
- PM.add(createLowerInvokePass(TM->getTargetLowering()));
+LLVMTargetMachine::LLVMTargetMachine(const Target &T, StringRef Triple,
+ StringRef CPU, StringRef FS,
+ TargetOptions Options,
+ Reloc::Model RM, CodeModel::Model CM,
+ CodeGenOpt::Level OL)
+ : TargetMachine(T, Triple, CPU, FS, Options) {
+ CodeGenInfo = T.createMCCodeGenInfo(Triple, RM, CM, OL);
+}
- // The lower invoke pass may create unreachable code. Remove it.
- PM.add(createUnreachableBlockEliminationPass());
- break;
- }
+void LLVMTargetMachine::addAnalysisPasses(PassManagerBase &PM) {
+ PM.add(createBasicTargetTransformInfoPass(this));
}
/// addPassesToX helper drives creation and initialization of TargetPassConfig.
static MCContext *addPassesToGenerateCode(LLVMTargetMachine *TM,
PassManagerBase &PM,
- bool DisableVerify) {
+ bool DisableVerify,
+ AnalysisID StartAfter,
+ AnalysisID StopAfter) {
+ // Add internal analysis passes from the target machine.
+ TM->addAnalysisPasses(PM);
+
// Targets may override createPassConfig to provide a target-specific sublass.
TargetPassConfig *PassConfig = TM->createPassConfig(PM);
+ PassConfig->setStartStopPasses(StartAfter, StopAfter);
// Set PassConfig options provided by TargetMachine.
PassConfig->setDisableVerify(DisableVerify);
+ PM.add(PassConfig);
+
PassConfig->addIRPasses();
- addPassesToHandleExceptions(TM, PM);
+ PassConfig->addCodeGenPrepare();
+
+ PassConfig->addPassesToHandleExceptions();
PassConfig->addISelPrepare();
new MachineModuleInfo(*TM->getMCAsmInfo(), *TM->getRegisterInfo(),
&TM->getTargetLowering()->getObjFileLowering());
PM.add(MMI);
- MCContext *Context = &MMI->getContext(); // Return the MCContext specifically by-ref.
// Set up a MachineFunction for the rest of CodeGen to work on.
PM.add(new MachineFunctionAnalysis(*TM));
PassConfig->addMachinePasses();
- delete PassConfig;
+ PassConfig->setInitialized();
- return Context;
+ return &MMI->getContext();
}
bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
formatted_raw_ostream &Out,
CodeGenFileType FileType,
- bool DisableVerify) {
+ bool DisableVerify,
+ AnalysisID StartAfter,
+ AnalysisID StopAfter) {
// Add common CodeGen passes.
- MCContext *Context = addPassesToGenerateCode(this, PM, DisableVerify);
+ MCContext *Context = addPassesToGenerateCode(this, PM, DisableVerify,
+ StartAfter, StopAfter);
if (!Context)
return true;
+ if (StopAfter) {
+ // FIXME: The intent is that this should eventually write out a YAML file,
+ // containing the LLVM IR, the machine-level IR (when stopping after a
+ // machine-level pass), and whatever other information is needed to
+ // deserialize the code and resume compilation. For now, just write the
+ // LLVM IR.
+ PM.add(createPrintModulePass(Out));
+ return false;
+ }
+
if (hasMCSaveTempLabels())
Context->setAllowTemporaryLabels(false);
const MCAsmInfo &MAI = *getMCAsmInfo();
+ const MCRegisterInfo &MRI = *getRegisterInfo();
+ const MCInstrInfo &MII = *getInstrInfo();
const MCSubtargetInfo &STI = getSubtarget<MCSubtargetInfo>();
OwningPtr<MCStreamer> AsmStreamer;
switch (FileType) {
case CGFT_AssemblyFile: {
MCInstPrinter *InstPrinter =
- getTarget().createMCInstPrinter(MAI.getAssemblerDialect(), MAI, STI);
+ getTarget().createMCInstPrinter(MAI.getAssemblerDialect(), MAI,
+ MII, MRI, STI);
// Create a code emitter if asked to show the encoding.
MCCodeEmitter *MCE = 0;
- MCAsmBackend *MAB = 0;
- if (ShowMCEncoding) {
- const MCSubtargetInfo &STI = getSubtarget<MCSubtargetInfo>();
- MCE = getTarget().createMCCodeEmitter(*getInstrInfo(), STI, *Context);
- MAB = getTarget().createMCAsmBackend(getTargetTriple());
- }
+ if (ShowMCEncoding)
+ MCE = getTarget().createMCCodeEmitter(MII, MRI, STI, *Context);
+ MCAsmBackend *MAB = getTarget().createMCAsmBackend(MRI, getTargetTriple(),
+ TargetCPU);
MCStreamer *S = getTarget().createAsmStreamer(*Context, Out,
getVerboseAsm(),
- hasMCUseLoc(),
hasMCUseCFI(),
hasMCUseDwarfDirectory(),
InstPrinter,
case CGFT_ObjectFile: {
// Create the code emitter for the target if it exists. If not, .o file
// emission fails.
- MCCodeEmitter *MCE = getTarget().createMCCodeEmitter(*getInstrInfo(), STI,
+ MCCodeEmitter *MCE = getTarget().createMCCodeEmitter(MII, MRI, STI,
*Context);
- MCAsmBackend *MAB = getTarget().createMCAsmBackend(getTargetTriple());
+ MCAsmBackend *MAB = getTarget().createMCAsmBackend(MRI, getTargetTriple(),
+ TargetCPU);
if (MCE == 0 || MAB == 0)
return true;
- AsmStreamer.reset(getTarget().createMCObjectStreamer(getTargetTriple(),
- *Context, *MAB, Out,
- MCE, hasMCRelaxAll(),
- hasMCNoExecStack()));
- AsmStreamer.get()->InitSections();
+ AsmStreamer.reset(getTarget().createMCObjectStreamer(
+ getTargetTriple(), *Context, *MAB, Out, MCE, STI, hasMCRelaxAll(),
+ hasMCNoExecStack()));
break;
}
case CGFT_Null:
return true;
// If successful, createAsmPrinter took ownership of AsmStreamer.
- AsmStreamer.take();
+ AsmStreamer.release();
PM.add(Printer);
- PM.add(createGCInfoDeleter());
return false;
}
/// addPassesToEmitMachineCode - Add passes to the specified pass manager to
/// get machine code emitted. This uses a JITCodeEmitter 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
+/// of functions. This method should return true if machine code emission is
/// not supported.
///
bool LLVMTargetMachine::addPassesToEmitMachineCode(PassManagerBase &PM,
JITCodeEmitter &JCE,
bool DisableVerify) {
// Add common CodeGen passes.
- MCContext *Context = addPassesToGenerateCode(this, PM, DisableVerify);
+ MCContext *Context = addPassesToGenerateCode(this, PM, DisableVerify, 0, 0);
if (!Context)
return true;
addCodeEmitter(PM, JCE);
- PM.add(createGCInfoDeleter());
return false; // success!
}
raw_ostream &Out,
bool DisableVerify) {
// Add common CodeGen passes.
- Ctx = addPassesToGenerateCode(this, PM, DisableVerify);
+ Ctx = addPassesToGenerateCode(this, PM, DisableVerify, 0, 0);
if (!Ctx)
return true;
// Create the code emitter for the target if it exists. If not, .o file
// emission fails.
+ const MCRegisterInfo &MRI = *getRegisterInfo();
const MCSubtargetInfo &STI = getSubtarget<MCSubtargetInfo>();
- MCCodeEmitter *MCE = getTarget().createMCCodeEmitter(*getInstrInfo(),STI, *Ctx);
- MCAsmBackend *MAB = getTarget().createMCAsmBackend(getTargetTriple());
+ MCCodeEmitter *MCE = getTarget().createMCCodeEmitter(*getInstrInfo(), MRI,
+ STI, *Ctx);
+ MCAsmBackend *MAB = getTarget().createMCAsmBackend(MRI, getTargetTriple(),
+ TargetCPU);
if (MCE == 0 || MAB == 0)
return true;
OwningPtr<MCStreamer> AsmStreamer;
- AsmStreamer.reset(getTarget().createMCObjectStreamer(getTargetTriple(), *Ctx,
- *MAB, Out, MCE,
- hasMCRelaxAll(),
- hasMCNoExecStack()));
- AsmStreamer.get()->InitSections();
+ AsmStreamer.reset(getTarget().createMCObjectStreamer(
+ getTargetTriple(), *Ctx, *MAB, Out, MCE, STI, hasMCRelaxAll(),
+ hasMCNoExecStack()));
// Create the AsmPrinter, which takes ownership of AsmStreamer if successful.
FunctionPass *Printer = getTarget().createAsmPrinter(*this, *AsmStreamer);
return true;
// If successful, createAsmPrinter took ownership of AsmStreamer.
- AsmStreamer.take();
+ AsmStreamer.release();
PM.add(Printer);
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