#include "llvm/Target/TargetMachine.h"
#include "llvm/PassManager.h"
+#include "llvm/Analysis/Passes.h"
#include "llvm/Analysis/Verifier.h"
#include "llvm/Assembly/PrintModulePass.h"
#include "llvm/CodeGen/AsmPrinter.h"
#include "llvm/Target/TargetLowering.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/MC/MCAsmInfo.h"
+#include "llvm/MC/MCInstrInfo.h"
#include "llvm/MC/MCStreamer.h"
-#include "llvm/Target/TargetAsmInfo.h"
+#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/Target/TargetData.h"
+#include "llvm/Target/TargetInstrInfo.h"
+#include "llvm/Target/TargetLowering.h"
+#include "llvm/Target/TargetLoweringObjectFile.h"
+#include "llvm/Target/TargetRegisterInfo.h"
#include "llvm/Target/TargetRegistry.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/ADT/OwningPtr.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/FormattedStream.h"
-#include "llvm/Support/StandardPasses.h"
using namespace llvm;
namespace llvm {
EnableFastISelOption("fast-isel", cl::Hidden,
cl::desc("Enable the \"fast\" instruction selector"));
-LLVMTargetMachine::LLVMTargetMachine(const Target &T,
- const std::string &Triple)
- : TargetMachine(T), TargetTriple(Triple) {
- AsmInfo = T.createAsmInfo(TargetTriple);
-}
-
-// Set the default code model for the JIT for a generic target.
-// FIXME: Is small right here? or .is64Bit() ? Large : Small?
-void LLVMTargetMachine::setCodeModelForJIT() {
- setCodeModel(CodeModel::Small);
-}
-
-// Set the default code model for static compilation for a generic target.
-void LLVMTargetMachine::setCodeModelForStatic() {
- setCodeModel(CodeModel::Small);
+LLVMTargetMachine::LLVMTargetMachine(const Target &T, StringRef Triple,
+ StringRef CPU, StringRef FS,
+ Reloc::Model RM, CodeModel::Model CM)
+ : TargetMachine(T, Triple, CPU, FS) {
+ CodeGenInfo = T.createMCCodeGenInfo(Triple, RM, CM);
+ AsmInfo = T.createMCAsmInfo(Triple);
}
bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
return true;
assert(Context != 0 && "Failed to get MCContext");
+ if (hasMCSaveTempLabels())
+ Context->setAllowTemporaryLabels(false);
+
const MCAsmInfo &MAI = *getMCAsmInfo();
OwningPtr<MCStreamer> AsmStreamer;
default: return true;
case CGFT_AssemblyFile: {
MCInstPrinter *InstPrinter =
- getTarget().createMCInstPrinter(*this, MAI.getAssemblerDialect(), MAI);
+ getTarget().createMCInstPrinter(MAI.getAssemblerDialect(), MAI);
// Create a code emitter if asked to show the encoding.
MCCodeEmitter *MCE = 0;
TargetAsmBackend *TAB = 0;
if (ShowMCEncoding) {
- MCE = getTarget().createCodeEmitter(*this, *Context);
- TAB = getTarget().createAsmBackend(TargetTriple);
+ const MCSubtargetInfo &STI = getSubtarget<MCSubtargetInfo>();
+ MCE = getTarget().createCodeEmitter(*getInstrInfo(), STI, *Context);
+ TAB = getTarget().createAsmBackend(getTargetTriple());
}
MCStreamer *S = getTarget().createAsmStreamer(*Context, Out,
getVerboseAsm(),
hasMCUseLoc(),
+ hasMCUseCFI(),
InstPrinter,
MCE, TAB,
ShowMCInst);
case CGFT_ObjectFile: {
// Create the code emitter for the target if it exists. If not, .o file
// emission fails.
- MCCodeEmitter *MCE = getTarget().createCodeEmitter(*this, *Context);
- TargetAsmBackend *TAB = getTarget().createAsmBackend(TargetTriple);
+ const MCSubtargetInfo &STI = getSubtarget<MCSubtargetInfo>();
+ MCCodeEmitter *MCE = getTarget().createCodeEmitter(*getInstrInfo(), STI,
+ *Context);
+ TargetAsmBackend *TAB = getTarget().createAsmBackend(getTargetTriple());
if (MCE == 0 || TAB == 0)
return true;
- AsmStreamer.reset(getTarget().createObjectStreamer(TargetTriple, *Context,
- *TAB, Out, MCE,
+ AsmStreamer.reset(getTarget().createObjectStreamer(getTargetTriple(),
+ *Context, *TAB, Out, MCE,
hasMCRelaxAll(),
hasMCNoExecStack()));
AsmStreamer.get()->InitSections();
PM.add(Printer);
- // Make sure the code model is set.
- setCodeModelForStatic();
PM.add(createGCInfoDeleter());
return false;
}
JITCodeEmitter &JCE,
CodeGenOpt::Level OptLevel,
bool DisableVerify) {
- // Make sure the code model is set.
- setCodeModelForJIT();
-
// Add common CodeGen passes.
MCContext *Ctx = 0;
if (addCommonCodeGenPasses(PM, OptLevel, DisableVerify, Ctx))
if (addCommonCodeGenPasses(PM, OptLevel, DisableVerify, Ctx))
return true;
+ if (hasMCSaveTempLabels())
+ Ctx->setAllowTemporaryLabels(false);
+
// Create the code emitter for the target if it exists. If not, .o file
// emission fails.
- MCCodeEmitter *MCE = getTarget().createCodeEmitter(*this, *Ctx);
- TargetAsmBackend *TAB = getTarget().createAsmBackend(TargetTriple);
+ const MCSubtargetInfo &STI = getSubtarget<MCSubtargetInfo>();
+ MCCodeEmitter *MCE = getTarget().createCodeEmitter(*getInstrInfo(),STI, *Ctx);
+ TargetAsmBackend *TAB = getTarget().createAsmBackend(getTargetTriple());
if (MCE == 0 || TAB == 0)
return true;
OwningPtr<MCStreamer> AsmStreamer;
- AsmStreamer.reset(getTarget().createObjectStreamer(TargetTriple, *Ctx,
+ AsmStreamer.reset(getTarget().createObjectStreamer(getTargetTriple(), *Ctx,
*TAB, Out, MCE,
hasMCRelaxAll(),
hasMCNoExecStack()));
PM.add(Printer);
- // Make sure the code model is set.
- setCodeModelForJIT();
-
return false; // success!
}
// Standard LLVM-Level Passes.
// Basic AliasAnalysis support.
- createStandardAliasAnalysisPasses(&PM);
+ // Add TypeBasedAliasAnalysis before BasicAliasAnalysis so that
+ // BasicAliasAnalysis wins if they disagree. This is intended to help
+ // support "obvious" type-punning idioms.
+ PM.add(createTypeBasedAliasAnalysisPass());
+ PM.add(createBasicAliasAnalysisPass());
// Before running any passes, run the verifier to determine if the input
// coming from the front-end and/or optimizer is valid.
PM.add(createSjLjEHPass(getTargetLowering()));
// FALLTHROUGH
case ExceptionHandling::DwarfCFI:
- case ExceptionHandling::DwarfTable:
case ExceptionHandling::ARM:
+ case ExceptionHandling::Win64:
PM.add(createDwarfEHPass(this));
break;
case ExceptionHandling::None:
// Install a MachineModuleInfo class, which is an immutable pass that holds
// all the per-module stuff we're generating, including MCContext.
- TargetAsmInfo *TAI = new TargetAsmInfo(*this);
- MachineModuleInfo *MMI = new MachineModuleInfo(*getMCAsmInfo(), TAI);
+ MachineModuleInfo *MMI = new MachineModuleInfo(*getMCAsmInfo(),
+ *getRegisterInfo(),
+ &getTargetLowering()->getObjFileLowering());
PM.add(MMI);
OutContext = &MMI->getContext(); // Return the MCContext specifically by-ref.
// Expand pseudo-instructions emitted by ISel.
PM.add(createExpandISelPseudosPass());
+ // Pre-ra tail duplication.
+ if (OptLevel != CodeGenOpt::None && !DisableEarlyTailDup) {
+ PM.add(createTailDuplicatePass(true));
+ printAndVerify(PM, "After Pre-RegAlloc TailDuplicate");
+ }
+
// Optimize PHIs before DCE: removing dead PHI cycles may make more
// instructions dead.
if (OptLevel != CodeGenOpt::None)
printAndVerify(PM, "After codegen peephole optimization pass");
}
- // Pre-ra tail duplication.
- if (OptLevel != CodeGenOpt::None && !DisableEarlyTailDup) {
- PM.add(createTailDuplicatePass(true));
- printAndVerify(PM, "After Pre-RegAlloc TailDuplicate");
- }
-
// Run pre-ra passes.
if (addPreRegAlloc(PM, OptLevel))
printAndVerify(PM, "After PreRegAlloc passes");
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