EnableFastISelOption("fast-isel", cl::Hidden,
cl::desc("Enable the \"fast\" instruction selector"));
-// Enable or disable an experimental optimization to split GEPs
-// and run a special GVN pass which does not examine loads, in
-// an effort to factor out redundancy implicit in complex GEPs.
-static cl::opt<bool> EnableSplitGEPGVN("split-gep-gvn", cl::Hidden,
- cl::desc("Split GEPs and run no-load GVN"));
-
LLVMTargetMachine::LLVMTargetMachine(const Target &T,
const std::string &Triple)
: TargetMachine(T), TargetTriple(Triple) {
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(MAI.getAssemblerDialect(), MAI);
+ getTarget().createMCInstPrinter(*this, MAI.getAssemblerDialect(), MAI);
// Create a code emitter if asked to show the encoding.
MCCodeEmitter *MCE = 0;
AsmStreamer.reset(getTarget().createObjectStreamer(TargetTriple, *Context,
*TAB, Out, MCE,
- hasMCRelaxAll()));
+ hasMCRelaxAll(),
+ hasMCNoExecStack()));
AsmStreamer.get()->InitSections();
break;
}
///
bool LLVMTargetMachine::addPassesToEmitMC(PassManagerBase &PM,
MCContext *&Ctx,
+ raw_ostream &Out,
CodeGenOpt::Level OptLevel,
bool DisableVerify) {
// Add common CodeGen passes.
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);
+ if (MCE == 0 || TAB == 0)
+ return true;
+
+ OwningPtr<MCStreamer> AsmStreamer;
+ AsmStreamer.reset(getTarget().createObjectStreamer(TargetTriple, *Ctx,
+ *TAB, Out, MCE,
+ hasMCRelaxAll(),
+ hasMCNoExecStack()));
+ AsmStreamer.get()->InitSections();
+
+ // Create the AsmPrinter, which takes ownership of AsmStreamer if successful.
+ FunctionPass *Printer = getTarget().createAsmPrinter(*this, *AsmStreamer);
+ if (Printer == 0)
+ return true;
+
+ // If successful, createAsmPrinter took ownership of AsmStreamer.
+ AsmStreamer.take();
+
+ PM.add(Printer);
+
// Make sure the code model is set.
setCodeModelForJIT();
PM.add(createMachineFunctionPrinterPass(dbgs(), Banner));
if (VerifyMachineCode)
- PM.add(createMachineVerifierPass());
+ PM.add(createMachineVerifierPass(Banner));
}
/// addCommonCodeGenPasses - Add standard LLVM codegen passes used for both
if (!DisableVerify)
PM.add(createVerifierPass());
- // Optionally, tun split-GEPs and no-load GVN.
- if (EnableSplitGEPGVN) {
- PM.add(createGEPSplitterPass());
- PM.add(createGVNPass(/*NoLoads=*/true));
- }
-
// Run loop strength reduction before anything else.
if (OptLevel != CodeGenOpt::None && !DisableLSR) {
PM.add(createLoopStrengthReducePass(getTargetLowering()));
// edge from elsewhere.
PM.add(createSjLjEHPass(getTargetLowering()));
// FALLTHROUGH
- case ExceptionHandling::Dwarf:
+ case ExceptionHandling::DwarfCFI:
+ case ExceptionHandling::DwarfTable:
+ case ExceptionHandling::ARM:
PM.add(createDwarfEHPass(this));
break;
case ExceptionHandling::None: