Verifier.cpp File Reference

#include "llvm/IR/Verifier.h"
#include "llvm/ADT/APFloat.h"
#include "llvm/ADT/APInt.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/MapVector.h"
#include "llvm/ADT/PostOrderIterator.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/ADT/StringMap.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/Twine.h"
#include "llvm/BinaryFormat/Dwarf.h"
#include "llvm/IR/Argument.h"
#include "llvm/IR/AttributeMask.h"
#include "llvm/IR/Attributes.h"
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/CFG.h"
#include "llvm/IR/CallingConv.h"
#include "llvm/IR/Comdat.h"
#include "llvm/IR/Constant.h"
#include "llvm/IR/ConstantRange.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/ConvergenceVerifier.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/DebugInfo.h"
#include "llvm/IR/DebugInfoMetadata.h"
#include "llvm/IR/DebugLoc.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/Dominators.h"
#include "llvm/IR/EHPersonalities.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/GCStrategy.h"
#include "llvm/IR/GlobalAlias.h"
#include "llvm/IR/GlobalValue.h"
#include "llvm/IR/GlobalVariable.h"
#include "llvm/IR/InlineAsm.h"
#include "llvm/IR/InstVisitor.h"
#include "llvm/IR/InstrTypes.h"
#include "llvm/IR/Instruction.h"
#include "llvm/IR/Instructions.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/IntrinsicsAArch64.h"
#include "llvm/IR/IntrinsicsAMDGPU.h"
#include "llvm/IR/IntrinsicsARM.h"
#include "llvm/IR/IntrinsicsNVPTX.h"
#include "llvm/IR/IntrinsicsWebAssembly.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Metadata.h"
#include "llvm/IR/Module.h"
#include "llvm/IR/ModuleSlotTracker.h"
#include "llvm/IR/PassManager.h"
#include "llvm/IR/Statepoint.h"
#include "llvm/IR/Type.h"
#include "llvm/IR/Use.h"
#include "llvm/IR/User.h"
#include "llvm/IR/VFABIDemangler.h"
#include "llvm/IR/Value.h"
#include "llvm/InitializePasses.h"
#include "llvm/Pass.h"
#include "llvm/Support/AtomicOrdering.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/raw_ostream.h"
#include <algorithm>
#include <cassert>
#include <cstdint>
#include <memory>
#include <optional>
#include <string>
#include <utility>
#include "llvm/IR/Metadata.def"
#include "llvm/IR/Attributes.inc"
#include "llvm/IR/VPIntrinsics.def"
#include "llvm/IR/ConstrainedOps.def"

Go to the source code of this file.

Classes
struct	llvm::VerifierSupport

Namespaces
namespace	llvm
	This is an optimization pass for GlobalISel generic memory operations.

Macros
#define	HANDLE_SPECIALIZED_MDNODE_LEAF(CLASS)   void visit##CLASS(const CLASS &N);
#define	Check(C, ...)
	We know that cond should be true, if not print an error message.
#define	CheckDI(C, ...)
	We know that a debug info condition should be true, if not print an error message.
#define	HANDLE_SPECIALIZED_MDNODE_LEAF(CLASS)
#define	GET_ATTR_NAMES
#define	ATTRIBUTE_ENUM(ENUM_NAME, DISPLAY_NAME)
#define	ATTRIBUTE_STRBOOL(ENUM_NAME, DISPLAY_NAME)
#define	BEGIN_REGISTER_VP_INTRINSIC(VPID, ...)   case Intrinsic::VPID:
#define	INSTRUCTION(NAME, NARGS, ROUND_MODE, INTRINSIC)    case Intrinsic::INTRINSIC:
#define	INSTRUCTION(NAME, NARG, ROUND_MODE, INTRINSIC)
#define	CheckTBAA(C, ...)

Functions
static void	forEachUser (const Value *User, SmallPtrSet< const Value *, 32 > &Visited, llvm::function_ref< bool(const Value *)> Callback)
static bool	isType (const Metadata *MD)
static bool	isScope (const Metadata *MD)
static bool	isDINode (const Metadata *MD)
static bool	hasConflictingReferenceFlags (unsigned Flags)
	Detect mutually exclusive flags.
static Instruction *	getSuccPad (Instruction *Terminator)
static bool	isTypeCongruent (Type *L, Type *R)
	Two types are "congruent" if they are identical, or if they are both pointer types with different pointee types and the same address space.
static AttrBuilder	getParameterABIAttributes (LLVMContext &C, unsigned I, AttributeList Attrs)
static bool	isContiguous (const ConstantRange &A, const ConstantRange &B)
static Value *	getParentPad (Value *EHPad)
static DISubprogram *	getSubprogram (Metadata *LocalScope)
	Carefully grab the subprogram from a local scope.
static bool	IsRootTBAANode (const MDNode *MD)
static bool	IsScalarTBAANodeImpl (const MDNode *MD, SmallPtrSetImpl< const MDNode * > &Visited)
static bool	isNewFormatTBAATypeNode (llvm::MDNode *Type)

Variables
static cl::opt< bool >	VerifyNoAliasScopeDomination ("verify-noalias-scope-decl-dom", cl::Hidden, cl::init(false), cl::desc("Ensure that llvm.experimental.noalias.scope.decl for identical " "scopes are not dominating"))

Macro Definition Documentation

ATTRIBUTE_ENUM

#define ATTRIBUTE_ENUM	(		ENUM_NAME,
			DISPLAY_NAME
	)

ATTRIBUTE_STRBOOL

#define ATTRIBUTE_STRBOOL	(		ENUM_NAME,
			DISPLAY_NAME
	)

Value:

  if (A.getKindAsString() == #DISPLAY_NAME) {                                  \
    auto V = A.getValueAsString();                                             \
    if (!(V.empty() || V == "true" || V == "false"))                           \
      CheckFailed("invalid value for '" #DISPLAY_NAME "' attribute: " + V +    \
                  "");                                                         \
  }

BEGIN_REGISTER_VP_INTRINSIC

#define BEGIN_REGISTER_VP_INTRINSIC	(		VPID,
			...
	)		case Intrinsic::VPID:

Check

#define Check	(		C,
			...
	)

Value:

  do {                                                                         \
    if (!(C)) {                                                                \
      CheckFailed(__VA_ARGS__);                                                \
      return;                                                                  \
    }                                                                          \
  } while (false)

We know that cond should be true, if not print an error message.

Definition at line 662 of file Verifier.cpp.

CheckDI

#define CheckDI	(		C,
			...
	)

Value:

  do {                                                                         \
    if (!(C)) {                                                                \
      DebugInfoCheckFailed(__VA_ARGS__);                                       \
      return;                                                                  \
    }                                                                          \
  } while (false)

We know that a debug info condition should be true, if not print an error message.

Definition at line 672 of file Verifier.cpp.

CheckTBAA

#define CheckTBAA	(		C,
			...
	)

Value:

  do {                                                                         \
    if (!(C)) {                                                                \
      CheckFailed(__VA_ARGS__);                                                \
      return false;                                                            \
    }                                                                          \
  } while (false)

Definition at line 7125 of file Verifier.cpp.

GET_ATTR_NAMES

#define GET_ATTR_NAMES

HANDLE_SPECIALIZED_MDNODE_LEAF [1/2]

#define HANDLE_SPECIALIZED_MDNODE_LEAF

(

CLASS

)

void visit##CLASS(const CLASS &N);

Definition at line 538 of file Verifier.cpp.

HANDLE_SPECIALIZED_MDNODE_LEAF [2/2]

#define HANDLE_SPECIALIZED_MDNODE_LEAF

(

CLASS

)

Value:

  case Metadata::CLASS##Kind:                                                  \
    visit##CLASS(cast<CLASS>(MD));                                             \
    break;

Definition at line 538 of file Verifier.cpp.

INSTRUCTION [1/2]

#define INSTRUCTION	(		NAME,
			NARG,
			ROUND_MODE,
			INTRINSIC
	)

Value:

  case Intrinsic::INTRINSIC:                                                   \
    NumOperands = NARG;                                                        \
    HasRoundingMD = ROUND_MODE;                                                \
    break;

INSTRUCTION [2/2]

#define INSTRUCTION	(		NAME,
			NARGS,
			ROUND_MODE,
			INTRINSIC
	)		case Intrinsic::INTRINSIC:

Function Documentation

forEachUser()

static void forEachUser ( const Value *  User, SmallPtrSet< const Value *, 32 > &  Visited, llvm::function_ref< bool(const Value *)>  Callback  )

static

Definition at line 713 of file Verifier.cpp.

References llvm::append_range(), llvm::SmallVectorBase< Size_T >::empty(), llvm::SmallPtrSetImpl< PtrType >::insert(), llvm::Value::materialized_users(), and llvm::SmallVectorImpl< T >::pop_back_val().

getParameterABIAttributes()

static AttrBuilder getParameterABIAttributes ( LLVMContext &  C, unsigned  I, AttributeList  Attrs  )

static

Definition at line 3755 of file Verifier.cpp.

References llvm::CallingConv::C, I, and llvm::Attribute::isValid().

getParentPad()

static Value * getParentPad ( Value *  EHPad )

static

Definition at line 4317 of file Verifier.cpp.

getSubprogram()

static DISubprogram * getSubprogram ( Metadata *  LocalScope )

static

Carefully grab the subprogram from a local scope.

This carefully grabs the subprogram from a local scope, avoiding the built-in assertions that would typically fire.

Definition at line 6281 of file Verifier.cpp.

References assert(), and getSubprogram().

Referenced by getSubprogram().

getSuccPad()

static Instruction * getSuccPad ( Instruction *  Terminator )

static

Definition at line 2634 of file Verifier.cpp.

References llvm::BasicBlock::getFirstNonPHI().

hasConflictingReferenceFlags()

static bool hasConflictingReferenceFlags ( unsigned  Flags )

static

Detect mutually exclusive flags.

Definition at line 1279 of file Verifier.cpp.

isContiguous()

static bool isContiguous ( const ConstantRange &  A, const ConstantRange &  B  )

static

Definition at line 4073 of file Verifier.cpp.

References A, and B.

isDINode()

static bool isDINode ( const Metadata *  MD )

static

Definition at line 1131 of file Verifier.cpp.

isNewFormatTBAATypeNode()

static bool isNewFormatTBAATypeNode ( llvm::MDNode *  Type )

static

Definition at line 7347 of file Verifier.cpp.

Referenced by llvm::TBAAVerifier::visitTBAAMetadata().

IsRootTBAANode()

static bool IsRootTBAANode ( const MDNode *  MD )

static

Definition at line 7266 of file Verifier.cpp.

References llvm::MDNode::getNumOperands().

Referenced by IsScalarTBAANodeImpl(), and llvm::TBAAVerifier::visitTBAAMetadata().

IsScalarTBAANodeImpl()

static bool IsScalarTBAANodeImpl ( const MDNode *  MD, SmallPtrSetImpl< const MDNode * > &  Visited  )

static

Definition at line 7270 of file Verifier.cpp.

References llvm::MDNode::getNumOperands(), llvm::MDNode::getOperand(), llvm::SmallPtrSetImpl< PtrType >::insert(), IsRootTBAANode(), IsScalarTBAANodeImpl(), and llvm::Offset.

Referenced by IsScalarTBAANodeImpl().

isScope()

static bool isScope ( const Metadata *  MD )

static

Definition at line 1130 of file Verifier.cpp.

isType()

static bool isType ( const Metadata *  MD )

static

Definition at line 1129 of file Verifier.cpp.

isTypeCongruent()

static bool isTypeCongruent ( Type *  L, Type *  R  )

static

Two types are "congruent" if they are identical, or if they are both pointer types with different pointee types and the same address space.

Definition at line 3745 of file Verifier.cpp.

Variable Documentation

VerifyNoAliasScopeDomination

cl::opt< bool > VerifyNoAliasScopeDomination("verify-noalias-scope-decl-dom", cl::Hidden, cl::init(false), cl::desc("Ensure that llvm.experimental.noalias.scope.decl for identical " "scopes are not dominating")) ( "verify-noalias-scope-decl-dom"  , cl::Hidden  , cl::init(false)  , cl::desc("Ensure that llvm.experimental.noalias.scope.decl for identical " "scopes are not dominating")    )

static