using namespace llvm;
-namespace llvm {
-extern cl::opt<bool> EnableStackMapLiveness;
-extern cl::opt<bool> EnablePatchPointLiveness;
-}
-
static cl::opt<bool> DisablePostRA("disable-post-ra", cl::Hidden,
cl::desc("Disable Post Regalloc"));
static cl::opt<bool> DisableBranchFold("disable-branch-fold", cl::Hidden,
cl::desc("Disable Machine Sinking"));
static cl::opt<bool> DisableLSR("disable-lsr", cl::Hidden,
cl::desc("Disable Loop Strength Reduction Pass"));
+static cl::opt<bool> DisableConstantHoisting("disable-constant-hoisting",
+ cl::Hidden, cl::desc("Disable ConstantHoisting"));
static cl::opt<bool> DisableCGP("disable-cgp", cl::Hidden,
cl::desc("Disable Codegen Prepare"));
static cl::opt<bool> DisableCopyProp("disable-copyprop", cl::Hidden,
cl::desc("Disable Copy Propagation pass"));
+static cl::opt<bool> DisablePartialLibcallInlining("disable-partial-libcall-inlining",
+ cl::Hidden, cl::desc("Disable Partial Libcall Inlining"));
static cl::opt<bool> PrintLSR("print-lsr-output", cl::Hidden,
cl::desc("Print LLVM IR produced by the loop-reduce pass"));
static cl::opt<bool> PrintISelInput("print-isel-input", cl::Hidden,
cl::desc("Dump garbage collector data"));
static cl::opt<bool> VerifyMachineCode("verify-machineinstrs", cl::Hidden,
cl::desc("Verify generated machine code"),
- cl::init(getenv("LLVM_VERIFY_MACHINEINSTRS")!=NULL));
+ cl::init(getenv("LLVM_VERIFY_MACHINEINSTRS")!=nullptr));
static cl::opt<std::string>
PrintMachineInstrs("print-machineinstrs", cl::ValueOptional,
cl::desc("Print machine instrs"),
// Temporary option to allow experimenting with MachineScheduler as a post-RA
// scheduler. Targets can "properly" enable this with
-// substitutePass(&PostRASchedulerID, &MachineSchedulerID); Ideally it wouldn't
-// be part of the standard pass pipeline, and the target would just add a PostRA
-// scheduling pass wherever it wants.
+// substitutePass(&PostRASchedulerID, &PostMachineSchedulerID); Ideally it
+// wouldn't be part of the standard pass pipeline, and the target would just add
+// a PostRA scheduling pass wherever it wants.
static cl::opt<bool> MISchedPostRA("misched-postra", cl::Hidden,
cl::desc("Run MachineScheduler post regalloc (independent of preRA sched)"));
static cl::opt<bool> EarlyLiveIntervals("early-live-intervals", cl::Hidden,
cl::desc("Run live interval analysis earlier in the pipeline"));
+static cl::opt<bool> UseCFLAA("use-cfl-aa-in-codegen",
+ cl::init(false), cl::Hidden,
+ cl::desc("Enable the new, experimental CFL alias analysis in CodeGen"));
+
/// Allow standard passes to be disabled by command line options. This supports
/// simple binary flags that either suppress the pass or do nothing.
/// i.e. -disable-mypass=false has no effect.
case cl::BOU_TRUE:
if (TargetID.isValid())
return TargetID;
- if (StandardID == 0)
+ if (StandardID == nullptr)
report_fatal_error("Target cannot enable pass");
return StandardID;
case cl::BOU_FALSE:
// Out of line constructor provides default values for pass options and
// registers all common codegen passes.
TargetPassConfig::TargetPassConfig(TargetMachine *tm, PassManagerBase &pm)
- : ImmutablePass(ID), PM(&pm), StartAfter(0), StopAfter(0),
- Started(true), Stopped(false), TM(tm), Impl(0), Initialized(false),
+ : ImmutablePass(ID), PM(&pm), StartAfter(nullptr), StopAfter(nullptr),
+ Started(true), Stopped(false), TM(tm), Impl(nullptr), Initialized(false),
DisableVerify(false),
EnableTailMerge(true) {
}
TargetPassConfig::TargetPassConfig()
- : ImmutablePass(ID), PM(0) {
+ : ImmutablePass(ID), PM(nullptr) {
llvm_unreachable("TargetPassConfig should not be constructed on-the-fly");
}
IdentifyingPassPtr TargetID = getPassSubstitution(PassID);
IdentifyingPassPtr FinalPtr = overridePass(PassID, TargetID);
if (!FinalPtr.isValid())
- return 0;
+ return nullptr;
Pass *P;
if (FinalPtr.isInstance())
// Add TypeBasedAliasAnalysis before BasicAliasAnalysis so that
// BasicAliasAnalysis wins if they disagree. This is intended to help
// support "obvious" type-punning idioms.
+ if (UseCFLAA)
+ addPass(createCFLAliasAnalysisPass());
addPass(createTypeBasedAliasAnalysisPass());
+ addPass(createScopedNoAliasAAPass());
addPass(createBasicAliasAnalysisPass());
// Before running any passes, run the verifier to determine if the input
// coming from the front-end and/or optimizer is valid.
- if (!DisableVerify)
+ if (!DisableVerify) {
addPass(createVerifierPass());
+ addPass(createDebugInfoVerifierPass());
+ }
// Run loop strength reduction before anything else.
if (getOptLevel() != CodeGenOpt::None && !DisableLSR) {
// Make sure that no unreachable blocks are instruction selected.
addPass(createUnreachableBlockEliminationPass());
+
+ // Prepare expensive constants for SelectionDAG.
+ if (getOptLevel() != CodeGenOpt::None && !DisableConstantHoisting)
+ addPass(createConstantHoistingPass());
+
+ if (getOptLevel() != CodeGenOpt::None && !DisablePartialLibcallInlining)
+ addPass(createPartiallyInlineLibCallsPass());
}
/// Turn exception handling constructs into something the code generators can
// FALLTHROUGH
case ExceptionHandling::DwarfCFI:
case ExceptionHandling::ARM:
- case ExceptionHandling::Win64:
+ case ExceptionHandling::WinEH:
addPass(createDwarfEHPass(TM));
break;
case ExceptionHandling::None:
- addPass(createLowerInvokePass(TM));
+ addPass(createLowerInvokePass());
// The lower invoke pass may create unreachable code. Remove it.
addPass(createUnreachableBlockEliminationPass());
void TargetPassConfig::addISelPrepare() {
addPreISel();
+ // Need to verify DebugInfo *before* creating the stack protector analysis.
+ // It's a function pass, and verifying between it and its users causes a
+ // crash.
+ if (!DisableVerify)
+ addPass(createDebugInfoVerifierPass());
+
addPass(createStackProtectorPass(TM));
if (PrintISelInput)
if (addPreEmitPass())
printAndVerify("After PreEmit passes");
- if (EnableStackMapLiveness || EnablePatchPointLiveness)
- addPass(&StackMapLivenessID);
+ addPass(&StackMapLivenessID);
}
/// Add passes that optimize machine instructions in SSA form.
printAndVerify("After Machine LICM, CSE and Sinking passes");
addPass(&PeepholeOptimizerID);
+ // Clean-up the dead code that may have been generated by peephole
+ // rewriting.
+ addPass(&DeadMachineInstructionElimID);
printAndVerify("After codegen peephole optimization pass");
}
/// A dummy default pass factory indicates whether the register allocator is
/// overridden on the command line.
-static FunctionPass *useDefaultRegisterAllocator() { return 0; }
+static FunctionPass *useDefaultRegisterAllocator() { return nullptr; }
static RegisterRegAlloc
defaultRegAlloc("default",
"pick register allocator based on -O option",
projects / oota-llvm.git / blobdiff