// only by the unwind edge of an invoke instruction.
// * A landingpad instruction must be the first non-PHI instruction in the
// block.
-// * All landingpad instructions must use the same personality function with
-// the same function.
+// * Landingpad instructions must be in a function with a personality function.
// * All other things that are tested by asserts spread about the code...
//
//===----------------------------------------------------------------------===//
: OS(OS), M(nullptr), Broken(false) {}
private:
+ template <class NodeTy> void Write(const ilist_iterator<NodeTy> &I) {
+ Write(&*I);
+ }
+
void Write(const Value *V) {
if (!V)
return;
OS << '\n';
}
}
+ void Write(ImmutableCallSite CS) {
+ Write(CS.getInstruction());
+ }
void Write(const Metadata *MD) {
if (!MD)
/// \brief Track unresolved string-based type references.
SmallDenseMap<const MDString *, const MDNode *, 32> UnresolvedTypeRefs;
- /// \brief The personality function referenced by the LandingPadInsts.
- /// All LandingPadInsts within the same function must use the same
- /// personality function.
- const Value *PersonalityFn;
+ /// \brief The result type for a landingpad.
+ Type *LandingPadResultTy;
- /// \brief Whether we've seen a call to @llvm.frameescape in this function
+ /// \brief Whether we've seen a call to @llvm.localescape in this function
/// already.
bool SawFrameEscape;
- /// Stores the count of how many objects were passed to llvm.frameescape for a
- /// given function and the largest index passed to llvm.framerecover.
+ /// Stores the count of how many objects were passed to llvm.localescape for a
+ /// given function and the largest index passed to llvm.localrecover.
DenseMap<Function *, std::pair<unsigned, unsigned>> FrameEscapeInfo;
public:
explicit Verifier(raw_ostream &OS)
- : VerifierSupport(OS), Context(nullptr), PersonalityFn(nullptr),
+ : VerifierSupport(OS), Context(nullptr), LandingPadResultTy(nullptr),
SawFrameEscape(false) {}
bool verify(const Function &F) {
// FIXME: We strip const here because the inst visitor strips const.
visit(const_cast<Function &>(F));
InstsInThisBlock.clear();
- PersonalityFn = nullptr;
+ LandingPadResultTy = nullptr;
SawFrameEscape = false;
return !Broken;
void visitFunction(const Function &F);
void visitBasicBlock(BasicBlock &BB);
void visitRangeMetadata(Instruction& I, MDNode* Range, Type* Ty);
+ void visitDereferenceableMetadata(Instruction& I, MDNode* MD);
template <class Ty> bool isValidMetadataArray(const MDTuple &N);
#define HANDLE_SPECIALIZED_MDNODE_LEAF(CLASS) void visit##CLASS(const CLASS &N);
#include "llvm/IR/Metadata.def"
void visitDIScope(const DIScope &N);
- void visitDIDerivedTypeBase(const DIDerivedTypeBase &N);
void visitDIVariable(const DIVariable &N);
void visitDILexicalBlockBase(const DILexicalBlockBase &N);
void visitDITemplateParameter(const DITemplateParameter &N);
void visitSelectInst(SelectInst &SI);
void visitUserOp1(Instruction &I);
void visitUserOp2(Instruction &I) { visitUserOp1(I); }
- void visitIntrinsicFunctionCall(Intrinsic::ID ID, CallInst &CI);
+ void visitIntrinsicCallSite(Intrinsic::ID ID, CallSite CS);
template <class DbgIntrinsicTy>
void visitDbgIntrinsic(StringRef Kind, DbgIntrinsicTy &DII);
void visitAtomicCmpXchgInst(AtomicCmpXchgInst &CXI);
void visitAllocaInst(AllocaInst &AI);
void visitExtractValueInst(ExtractValueInst &EVI);
void visitInsertValueInst(InsertValueInst &IVI);
+ void visitEHPadPredecessors(Instruction &I);
void visitLandingPadInst(LandingPadInst &LPI);
+ void visitCatchPadInst(CatchPadInst &CPI);
+ void visitCatchEndPadInst(CatchEndPadInst &CEPI);
+ void visitCleanupPadInst(CleanupPadInst &CPI);
+ void visitCleanupEndPadInst(CleanupEndPadInst &CEPI);
+ void visitCleanupReturnInst(CleanupReturnInst &CRI);
+ void visitTerminatePadInst(TerminatePadInst &TPI);
void VerifyCallSite(CallSite CS);
void verifyMustTailCall(CallInst &CI);
bool isReturnValue, const Value *V);
void VerifyFunctionAttrs(FunctionType *FT, AttributeSet Attrs,
const Value *V);
+ void VerifyFunctionMetadata(
+ const SmallVector<std::pair<unsigned, MDNode *>, 4> MDs);
void VerifyConstantExprBitcastType(const ConstantExpr *CE);
void VerifyStatepoint(ImmutableCallSite CS);
Assert(GVar && GVar->getValueType()->isArrayTy(),
"Only global arrays can have appending linkage!", GVar);
}
+
+ if (GV.isDeclarationForLinker())
+ Assert(!GV.hasComdat(), "Declaration may not be in a Comdat!", &GV);
}
void Verifier::visitGlobalVariable(const GlobalVariable &GV) {
GV.getName() == "llvm.compiler.used")) {
Assert(!GV.hasInitializer() || GV.hasAppendingLinkage(),
"invalid linkage for intrinsic global variable", &GV);
- Type *GVType = GV.getType()->getElementType();
+ Type *GVType = GV.getValueType();
if (ArrayType *ATy = dyn_cast<ArrayType>(GVType)) {
PointerType *PTy = dyn_cast<PointerType>(ATy->getElementType());
Assert(PTy, "wrong type for intrinsic global variable", &GV);
}
void Verifier::visitGlobalAlias(const GlobalAlias &GA) {
- Assert(!GA.getName().empty(), "Alias name cannot be empty!", &GA);
Assert(GlobalAlias::isValidLinkage(GA.getLinkage()),
"Alias should have private, internal, linkonce, weak, linkonce_odr, "
"weak_odr, or external linkage!",
"invalid tag", &N);
}
-void Verifier::visitDIDerivedTypeBase(const DIDerivedTypeBase &N) {
+void Verifier::visitDIDerivedType(const DIDerivedType &N) {
// Common scope checks.
visitDIScope(N);
- Assert(isScopeRef(N, N.getScope()), "invalid scope", &N, N.getScope());
- Assert(isTypeRef(N, N.getBaseType()), "invalid base type", &N,
- N.getBaseType());
-
- // FIXME: Sink this into the subclass verifies.
- if (!N.getFile() || N.getFile()->getFilename().empty()) {
- // Check whether the filename is allowed to be empty.
- uint16_t Tag = N.getTag();
- Assert(
- Tag == dwarf::DW_TAG_const_type || Tag == dwarf::DW_TAG_volatile_type ||
- Tag == dwarf::DW_TAG_pointer_type ||
- Tag == dwarf::DW_TAG_ptr_to_member_type ||
- Tag == dwarf::DW_TAG_reference_type ||
- Tag == dwarf::DW_TAG_rvalue_reference_type ||
- Tag == dwarf::DW_TAG_restrict_type ||
- Tag == dwarf::DW_TAG_array_type ||
- Tag == dwarf::DW_TAG_enumeration_type ||
- Tag == dwarf::DW_TAG_subroutine_type ||
- Tag == dwarf::DW_TAG_inheritance || Tag == dwarf::DW_TAG_friend ||
- Tag == dwarf::DW_TAG_structure_type ||
- Tag == dwarf::DW_TAG_member || Tag == dwarf::DW_TAG_typedef,
- "derived/composite type requires a filename", &N, N.getFile());
- }
-}
-
-void Verifier::visitDIDerivedType(const DIDerivedType &N) {
- // Common derived type checks.
- visitDIDerivedTypeBase(N);
-
Assert(N.getTag() == dwarf::DW_TAG_typedef ||
N.getTag() == dwarf::DW_TAG_pointer_type ||
N.getTag() == dwarf::DW_TAG_ptr_to_member_type ||
Assert(isTypeRef(N, N.getExtraData()), "invalid pointer to member type", &N,
N.getExtraData());
}
+
+ Assert(isScopeRef(N, N.getScope()), "invalid scope", &N, N.getScope());
+ Assert(isTypeRef(N, N.getBaseType()), "invalid base type", &N,
+ N.getBaseType());
}
static bool hasConflictingReferenceFlags(unsigned Flags) {
}
void Verifier::visitDICompositeType(const DICompositeType &N) {
- // Common derived type checks.
- visitDIDerivedTypeBase(N);
+ // Common scope checks.
+ visitDIScope(N);
Assert(N.getTag() == dwarf::DW_TAG_array_type ||
N.getTag() == dwarf::DW_TAG_structure_type ||
N.getTag() == dwarf::DW_TAG_union_type ||
N.getTag() == dwarf::DW_TAG_enumeration_type ||
- N.getTag() == dwarf::DW_TAG_subroutine_type ||
N.getTag() == dwarf::DW_TAG_class_type,
"invalid tag", &N);
+ Assert(isScopeRef(N, N.getScope()), "invalid scope", &N, N.getScope());
+ Assert(isTypeRef(N, N.getBaseType()), "invalid base type", &N,
+ N.getBaseType());
+
Assert(!N.getRawElements() || isa<MDTuple>(N.getRawElements()),
"invalid composite elements", &N, N.getRawElements());
Assert(isTypeRef(N, N.getRawVTableHolder()), "invalid vtable holder", &N,
&N);
if (auto *Params = N.getRawTemplateParams())
visitTemplateParams(N, *Params);
+
+ if (N.getTag() == dwarf::DW_TAG_class_type ||
+ N.getTag() == dwarf::DW_TAG_union_type) {
+ Assert(N.getFile() && !N.getFile()->getFilename().empty(),
+ "class/union requires a filename", &N, N.getFile());
+ }
}
void Verifier::visitDISubroutineType(const DISubroutineType &N) {
}
void Verifier::visitDICompileUnit(const DICompileUnit &N) {
+ Assert(N.isDistinct(), "compile units must be distinct", &N);
Assert(N.getTag() == dwarf::DW_TAG_compile_unit, "invalid tag", &N);
// Don't bother verifying the compilation directory or producer string
Assert(!hasConflictingReferenceFlags(N.getFlags()), "invalid reference flags",
&N);
+ if (N.isDefinition())
+ Assert(N.isDistinct(), "subprogram definitions must be distinct", &N);
+
auto *F = N.getFunction();
if (!F)
return;
Assert(isa<DIScope>(S), "invalid scope ref", &N, S);
}
+void Verifier::visitDIModule(const DIModule &N) {
+ Assert(N.getTag() == dwarf::DW_TAG_module, "invalid tag", &N);
+ Assert(!N.getName().empty(), "anonymous module", &N);
+}
+
void Verifier::visitDITemplateParameter(const DITemplateParameter &N) {
Assert(isTypeRef(N, N.getType()), "invalid type ref", &N, N.getType());
}
// Checks common to all variables.
visitDIVariable(N);
- Assert(N.getTag() == dwarf::DW_TAG_auto_variable ||
- N.getTag() == dwarf::DW_TAG_arg_variable,
- "invalid tag", &N);
+ Assert(N.getTag() == dwarf::DW_TAG_variable, "invalid tag", &N);
Assert(N.getRawScope() && isa<DILocalScope>(N.getRawScope()),
"local variable requires a valid scope", &N, N.getRawScope());
}
void Verifier::visitDIObjCProperty(const DIObjCProperty &N) {
Assert(N.getTag() == dwarf::DW_TAG_APPLE_property, "invalid tag", &N);
if (auto *T = N.getRawType())
- Assert(isa<DIType>(T), "invalid type ref", &N, T);
+ Assert(isTypeRef(N, T), "invalid type ref", &N, T);
if (auto *F = N.getRawFile())
Assert(isa<DIFile>(F), "invalid file", &N, F);
}
I->getKindAsEnum() == Attribute::StackProtect ||
I->getKindAsEnum() == Attribute::StackProtectReq ||
I->getKindAsEnum() == Attribute::StackProtectStrong ||
+ I->getKindAsEnum() == Attribute::SafeStack ||
I->getKindAsEnum() == Attribute::NoRedZone ||
I->getKindAsEnum() == Attribute::NoImplicitFloat ||
I->getKindAsEnum() == Attribute::Naked ||
I->getKindAsEnum() == Attribute::NoBuiltin ||
I->getKindAsEnum() == Attribute::Cold ||
I->getKindAsEnum() == Attribute::OptimizeNone ||
- I->getKindAsEnum() == Attribute::JumpTable) {
+ I->getKindAsEnum() == Attribute::JumpTable ||
+ I->getKindAsEnum() == Attribute::Convergent ||
+ I->getKindAsEnum() == Attribute::ArgMemOnly) {
if (!isFunction) {
CheckFailed("Attribute '" + I->getAsString() +
"' only applies to functions!", V);
V);
if (PointerType *PTy = dyn_cast<PointerType>(Ty)) {
- SmallPtrSet<const Type*, 4> Visited;
+ SmallPtrSet<Type*, 4> Visited;
if (!PTy->getElementType()->isSized(&Visited)) {
Assert(!Attrs.hasAttribute(Idx, Attribute::ByVal) &&
!Attrs.hasAttribute(Idx, Attribute::InAlloca),
}
}
+void Verifier::VerifyFunctionMetadata(
+ const SmallVector<std::pair<unsigned, MDNode *>, 4> MDs) {
+ if (MDs.empty())
+ return;
+
+ for (unsigned i = 0; i < MDs.size(); i++) {
+ if (MDs[i].first == LLVMContext::MD_prof) {
+ MDNode *MD = MDs[i].second;
+ Assert(MD->getNumOperands() == 2,
+ "!prof annotations should have exactly 2 operands", MD);
+
+ // Check first operand.
+ Assert(MD->getOperand(0) != nullptr, "first operand should not be null",
+ MD);
+ Assert(isa<MDString>(MD->getOperand(0)),
+ "expected string with name of the !prof annotation", MD);
+ MDString *MDS = cast<MDString>(MD->getOperand(0));
+ StringRef ProfName = MDS->getString();
+ Assert(ProfName.equals("function_entry_count"),
+ "first operand should be 'function_entry_count'", MD);
+
+ // Check second operand.
+ Assert(MD->getOperand(1) != nullptr, "second operand should not be null",
+ MD);
+ Assert(isa<ConstantAsMetadata>(MD->getOperand(1)),
+ "expected integer argument to function_entry_count", MD);
+ }
+ }
+}
+
void Verifier::VerifyConstantExprBitcastType(const ConstantExpr *CE) {
if (CE->getOpcode() != Instruction::BitCast)
return;
const Instruction &CI = *CS.getInstruction();
- Assert(!CS.doesNotAccessMemory() && !CS.onlyReadsMemory(),
- "gc.statepoint must read and write memory to preserve "
+ Assert(!CS.doesNotAccessMemory() && !CS.onlyReadsMemory() &&
+ !CS.onlyAccessesArgMemory(),
+ "gc.statepoint must read and write all memory to preserve "
"reordering restrictions required by safepoint semantics",
&CI);
- const Value *Target = CS.getArgument(0);
- const PointerType *PT = dyn_cast<PointerType>(Target->getType());
+ const Value *IDV = CS.getArgument(0);
+ Assert(isa<ConstantInt>(IDV), "gc.statepoint ID must be a constant integer",
+ &CI);
+
+ const Value *NumPatchBytesV = CS.getArgument(1);
+ Assert(isa<ConstantInt>(NumPatchBytesV),
+ "gc.statepoint number of patchable bytes must be a constant integer",
+ &CI);
+ const int64_t NumPatchBytes =
+ cast<ConstantInt>(NumPatchBytesV)->getSExtValue();
+ assert(isInt<32>(NumPatchBytes) && "NumPatchBytesV is an i32!");
+ Assert(NumPatchBytes >= 0, "gc.statepoint number of patchable bytes must be "
+ "positive",
+ &CI);
+
+ const Value *Target = CS.getArgument(2);
+ auto *PT = dyn_cast<PointerType>(Target->getType());
Assert(PT && PT->getElementType()->isFunctionTy(),
"gc.statepoint callee must be of function pointer type", &CI, Target);
FunctionType *TargetFuncType = cast<FunctionType>(PT->getElementType());
- const Value *NumCallArgsV = CS.getArgument(1);
+ const Value *NumCallArgsV = CS.getArgument(3);
Assert(isa<ConstantInt>(NumCallArgsV),
"gc.statepoint number of arguments to underlying call "
"must be constant integer",
Assert(NumCallArgs == NumParams,
"gc.statepoint mismatch in number of call args", &CI);
- const Value *FlagsV = CS.getArgument(2);
+ const Value *FlagsV = CS.getArgument(4);
Assert(isa<ConstantInt>(FlagsV),
"gc.statepoint flags must be constant integer", &CI);
const uint64_t Flags = cast<ConstantInt>(FlagsV)->getZExtValue();
// the type of the wrapped callee.
for (int i = 0; i < NumParams; i++) {
Type *ParamType = TargetFuncType->getParamType(i);
- Type *ArgType = CS.getArgument(3+i)->getType();
+ Type *ArgType = CS.getArgument(5 + i)->getType();
Assert(ArgType == ParamType,
"gc.statepoint call argument does not match wrapped "
"function type",
&CI);
}
- const int EndCallArgsInx = 2+NumCallArgs;
+
+ const int EndCallArgsInx = 4 + NumCallArgs;
const Value *NumTransitionArgsV = CS.getArgument(EndCallArgsInx+1);
Assert(isa<ConstantInt>(NumTransitionArgsV),
&CI);
const int ExpectedNumArgs =
- 5 + NumCallArgs + NumTransitionArgs + NumDeoptArgs;
+ 7 + NumCallArgs + NumTransitionArgs + NumDeoptArgs;
Assert(ExpectedNumArgs <= (int)CS.arg_size(),
"gc.statepoint too few arguments according to length fields", &CI);
unsigned EscapedObjectCount = Counts.second.first;
unsigned MaxRecoveredIndex = Counts.second.second;
Assert(MaxRecoveredIndex <= EscapedObjectCount,
- "all indices passed to llvm.framerecover must be less than the "
- "number of arguments passed ot llvm.frameescape in the parent "
+ "all indices passed to llvm.localrecover must be less than the "
+ "number of arguments passed ot llvm.localescape in the parent "
"function",
F);
}
FT->getParamType(i));
Assert(I->getType()->isFirstClassType(),
"Function arguments must have first-class types!", I);
- if (!isLLVMdotName)
+ if (!isLLVMdotName) {
Assert(!I->getType()->isMetadataTy(),
"Function takes metadata but isn't an intrinsic", I, &F);
+ Assert(!I->getType()->isTokenTy(),
+ "Function takes token but isn't an intrinsic", I, &F);
+ }
}
+ if (!isLLVMdotName)
+ Assert(!F.getReturnType()->isTokenTy(),
+ "Functions returns a token but isn't an intrinsic", &F);
+
// Get the function metadata attachments.
SmallVector<std::pair<unsigned, MDNode *>, 4> MDs;
F.getAllMetadata(MDs);
assert(F.hasMetadata() != MDs.empty() && "Bit out-of-sync");
+ VerifyFunctionMetadata(MDs);
if (F.isMaterializable()) {
// Function has a body somewhere we can't see.
"invalid linkage type for function declaration", &F);
Assert(MDs.empty(), "function without a body cannot have metadata", &F,
MDs.empty() ? nullptr : MDs.front().second);
+ Assert(!F.hasPersonalityFn(),
+ "Function declaration shouldn't have a personality routine", &F);
} else {
// Verify that this function (which has a body) is not named "llvm.*". It
// is not legal to define intrinsics.
}
// Visit metadata attachments.
- for (const auto &I : MDs)
+ for (const auto &I : MDs) {
+ // Verify that the attachment is legal.
+ switch (I.first) {
+ default:
+ break;
+ case LLVMContext::MD_dbg:
+ Assert(isa<DISubprogram>(I.second),
+ "function !dbg attachment must be a subprogram", &F, I.second);
+ break;
+ }
+
+ // Verify the metadata itself.
visitMDNode(*I.second);
+ }
}
// If this function is actually an intrinsic, verify that it is only used in
isa<PHINode>(--BasicBlock::iterator(&PN)),
"PHI nodes not grouped at top of basic block!", &PN, PN.getParent());
+ // Check that a PHI doesn't yield a Token.
+ Assert(!PN.getType()->isTokenTy(), "PHI nodes cannot have token type!");
+
// Check that all of the values of the PHI node have the same type as the
// result, and that the incoming blocks are really basic blocks.
for (Value *IncValue : PN.incoming_values()) {
// Verify that there's no metadata unless it's a direct call to an intrinsic.
if (CS.getCalledFunction() == nullptr ||
!CS.getCalledFunction()->getName().startswith("llvm.")) {
- for (FunctionType::param_iterator PI = FTy->param_begin(),
- PE = FTy->param_end(); PI != PE; ++PI)
- Assert(!(*PI)->isMetadataTy(),
+ for (Type *ParamTy : FTy->params()) {
+ Assert(!ParamTy->isMetadataTy(),
"Function has metadata parameter but isn't an intrinsic", I);
+ Assert(!ParamTy->isTokenTy(),
+ "Function has token parameter but isn't an intrinsic", I);
+ }
}
+ // Verify that indirect calls don't return tokens.
+ if (CS.getCalledFunction() == nullptr)
+ Assert(!FTy->getReturnType()->isTokenTy(),
+ "Return type cannot be token for indirect call!");
+
+ if (Function *F = CS.getCalledFunction())
+ if (Intrinsic::ID ID = (Intrinsic::ID)F->getIntrinsicID())
+ visitIntrinsicCallSite(ID, CS);
+
visitInstruction(*I);
}
if (CI.isMustTailCall())
verifyMustTailCall(CI);
-
- if (Function *F = CI.getCalledFunction())
- if (Intrinsic::ID ID = (Intrinsic::ID)F->getIntrinsicID())
- visitIntrinsicFunctionCall(ID, CI);
}
void Verifier::visitInvokeInst(InvokeInst &II) {
VerifyCallSite(&II);
- // Verify that there is a landingpad instruction as the first non-PHI
- // instruction of the 'unwind' destination.
- Assert(II.getUnwindDest()->isLandingPad(),
- "The unwind destination does not have a landingpad instruction!", &II);
-
- if (Function *F = II.getCalledFunction())
- // TODO: Ideally we should use visitIntrinsicFunction here. But it uses
- // CallInst as an input parameter. It not woth updating this whole
- // function only to support statepoint verification.
- if (F->getIntrinsicID() == Intrinsic::experimental_gc_statepoint)
- VerifyStatepoint(ImmutableCallSite(&II));
+ // Verify that the first non-PHI instruction of the unwind destination is an
+ // exception handling instruction.
+ Assert(
+ II.getUnwindDest()->isEHPad(),
+ "The unwind destination does not have an exception handling instruction!",
+ &II);
visitTerminatorInst(II);
}
Assert(isa<PointerType>(TargetTy),
"GEP base pointer is not a vector or a vector of pointers", &GEP);
Assert(GEP.getSourceElementType()->isSized(), "GEP into unsized type!", &GEP);
- Assert(GEP.getPointerOperandType()->isVectorTy() ==
- GEP.getType()->isVectorTy(),
- "Vector GEP must return a vector value", &GEP);
-
SmallVector<Value*, 16> Idxs(GEP.idx_begin(), GEP.idx_end());
Type *ElTy =
GetElementPtrInst::getIndexedType(GEP.getSourceElementType(), Idxs);
GEP.getResultElementType() == ElTy,
"GEP is not of right type for indices!", &GEP, ElTy);
- if (GEP.getPointerOperandType()->isVectorTy()) {
+ if (GEP.getType()->isVectorTy()) {
// Additional checks for vector GEPs.
- unsigned GepWidth = GEP.getPointerOperandType()->getVectorNumElements();
- Assert(GepWidth == GEP.getType()->getVectorNumElements(),
- "Vector GEP result width doesn't match operand's", &GEP);
+ unsigned GEPWidth = GEP.getType()->getVectorNumElements();
+ if (GEP.getPointerOperandType()->isVectorTy())
+ Assert(GEPWidth == GEP.getPointerOperandType()->getVectorNumElements(),
+ "Vector GEP result width doesn't match operand's", &GEP);
for (unsigned i = 0, e = Idxs.size(); i != e; ++i) {
Type *IndexTy = Idxs[i]->getType();
- Assert(IndexTy->isVectorTy(), "Vector GEP must have vector indices!",
- &GEP);
- unsigned IndexWidth = IndexTy->getVectorNumElements();
- Assert(IndexWidth == GepWidth, "Invalid GEP index vector width", &GEP);
+ if (IndexTy->isVectorTy()) {
+ unsigned IndexWidth = IndexTy->getVectorNumElements();
+ Assert(IndexWidth == GEPWidth, "Invalid GEP index vector width", &GEP);
+ }
+ Assert(IndexTy->getScalarType()->isIntegerTy(),
+ "All GEP indices should be of integer type");
}
}
visitInstruction(GEP);
}
void Verifier::visitAllocaInst(AllocaInst &AI) {
- SmallPtrSet<const Type*, 4> Visited;
+ SmallPtrSet<Type*, 4> Visited;
PointerType *PTy = AI.getType();
Assert(PTy->getAddressSpace() == 0,
"Allocation instruction pointer not in the generic address space!",
visitInstruction(IVI);
}
-void Verifier::visitLandingPadInst(LandingPadInst &LPI) {
- BasicBlock *BB = LPI.getParent();
+void Verifier::visitEHPadPredecessors(Instruction &I) {
+ assert(I.isEHPad());
+
+ BasicBlock *BB = I.getParent();
+ Function *F = BB->getParent();
+
+ Assert(BB != &F->getEntryBlock(), "EH pad cannot be in entry block.", &I);
+
+ if (auto *LPI = dyn_cast<LandingPadInst>(&I)) {
+ // The landingpad instruction defines its parent as a landing pad block. The
+ // landing pad block may be branched to only by the unwind edge of an
+ // invoke.
+ for (BasicBlock *PredBB : predecessors(BB)) {
+ const auto *II = dyn_cast<InvokeInst>(PredBB->getTerminator());
+ Assert(II && II->getUnwindDest() == BB && II->getNormalDest() != BB,
+ "Block containing LandingPadInst must be jumped to "
+ "only by the unwind edge of an invoke.",
+ LPI);
+ }
+ return;
+ }
+ for (BasicBlock *PredBB : predecessors(BB)) {
+ TerminatorInst *TI = PredBB->getTerminator();
+ if (auto *II = dyn_cast<InvokeInst>(TI))
+ Assert(II->getUnwindDest() == BB && II->getNormalDest() != BB,
+ "EH pad must be jumped to via an unwind edge", &I, II);
+ else if (auto *CPI = dyn_cast<CatchPadInst>(TI))
+ Assert(CPI->getUnwindDest() == BB && CPI->getNormalDest() != BB,
+ "EH pad must be jumped to via an unwind edge", &I, CPI);
+ else if (isa<CatchEndPadInst>(TI))
+ ;
+ else if (isa<CleanupReturnInst>(TI))
+ ;
+ else if (isa<CleanupEndPadInst>(TI))
+ ;
+ else if (isa<TerminatePadInst>(TI))
+ ;
+ else
+ Assert(false, "EH pad must be jumped to via an unwind edge", &I, TI);
+ }
+}
+
+void Verifier::visitLandingPadInst(LandingPadInst &LPI) {
// The landingpad instruction is ill-formed if it doesn't have any clauses and
// isn't a cleanup.
Assert(LPI.getNumClauses() > 0 || LPI.isCleanup(),
"LandingPadInst needs at least one clause or to be a cleanup.", &LPI);
- // The landingpad instruction defines its parent as a landing pad block. The
- // landing pad block may be branched to only by the unwind edge of an invoke.
- for (pred_iterator I = pred_begin(BB), E = pred_end(BB); I != E; ++I) {
- const InvokeInst *II = dyn_cast<InvokeInst>((*I)->getTerminator());
- Assert(II && II->getUnwindDest() == BB && II->getNormalDest() != BB,
- "Block containing LandingPadInst must be jumped to "
- "only by the unwind edge of an invoke.",
+ visitEHPadPredecessors(LPI);
+
+ if (!LandingPadResultTy)
+ LandingPadResultTy = LPI.getType();
+ else
+ Assert(LandingPadResultTy == LPI.getType(),
+ "The landingpad instruction should have a consistent result type "
+ "inside a function.",
&LPI);
- }
+
+ Function *F = LPI.getParent()->getParent();
+ Assert(F->hasPersonalityFn(),
+ "LandingPadInst needs to be in a function with a personality.", &LPI);
// The landingpad instruction must be the first non-PHI instruction in the
// block.
"LandingPadInst not the first non-PHI instruction in the block.",
&LPI);
- // The personality functions for all landingpad instructions within the same
- // function should match.
- if (PersonalityFn)
- Assert(LPI.getPersonalityFn() == PersonalityFn,
- "Personality function doesn't match others in function", &LPI);
- PersonalityFn = LPI.getPersonalityFn();
-
- // All operands must be constants.
- Assert(isa<Constant>(PersonalityFn), "Personality function is not constant!",
- &LPI);
for (unsigned i = 0, e = LPI.getNumClauses(); i < e; ++i) {
Constant *Clause = LPI.getClause(i);
if (LPI.isCatch(i)) {
visitInstruction(LPI);
}
+void Verifier::visitCatchPadInst(CatchPadInst &CPI) {
+ visitEHPadPredecessors(CPI);
+
+ BasicBlock *BB = CPI.getParent();
+ Function *F = BB->getParent();
+ Assert(F->hasPersonalityFn(),
+ "CatchPadInst needs to be in a function with a personality.", &CPI);
+
+ // The catchpad instruction must be the first non-PHI instruction in the
+ // block.
+ Assert(BB->getFirstNonPHI() == &CPI,
+ "CatchPadInst not the first non-PHI instruction in the block.",
+ &CPI);
+
+ if (!BB->getSinglePredecessor())
+ for (BasicBlock *PredBB : predecessors(BB)) {
+ Assert(!isa<CatchPadInst>(PredBB->getTerminator()),
+ "CatchPadInst with CatchPadInst predecessor cannot have any other "
+ "predecessors.",
+ &CPI);
+ }
+
+ BasicBlock *UnwindDest = CPI.getUnwindDest();
+ Instruction *I = UnwindDest->getFirstNonPHI();
+ Assert(
+ isa<CatchPadInst>(I) || isa<CatchEndPadInst>(I),
+ "CatchPadInst must unwind to a CatchPadInst or a CatchEndPadInst.",
+ &CPI);
+
+ visitTerminatorInst(CPI);
+}
+
+void Verifier::visitCatchEndPadInst(CatchEndPadInst &CEPI) {
+ visitEHPadPredecessors(CEPI);
+
+ BasicBlock *BB = CEPI.getParent();
+ Function *F = BB->getParent();
+ Assert(F->hasPersonalityFn(),
+ "CatchEndPadInst needs to be in a function with a personality.",
+ &CEPI);
+
+ // The catchendpad instruction must be the first non-PHI instruction in the
+ // block.
+ Assert(BB->getFirstNonPHI() == &CEPI,
+ "CatchEndPadInst not the first non-PHI instruction in the block.",
+ &CEPI);
+
+ unsigned CatchPadsSeen = 0;
+ for (BasicBlock *PredBB : predecessors(BB))
+ if (isa<CatchPadInst>(PredBB->getTerminator()))
+ ++CatchPadsSeen;
+
+ Assert(CatchPadsSeen <= 1, "CatchEndPadInst must have no more than one "
+ "CatchPadInst predecessor.",
+ &CEPI);
+
+ if (BasicBlock *UnwindDest = CEPI.getUnwindDest()) {
+ Instruction *I = UnwindDest->getFirstNonPHI();
+ Assert(
+ I->isEHPad() && !isa<LandingPadInst>(I),
+ "CatchEndPad must unwind to an EH block which is not a landingpad.",
+ &CEPI);
+ }
+
+ visitTerminatorInst(CEPI);
+}
+
+void Verifier::visitCleanupPadInst(CleanupPadInst &CPI) {
+ visitEHPadPredecessors(CPI);
+
+ BasicBlock *BB = CPI.getParent();
+
+ Function *F = BB->getParent();
+ Assert(F->hasPersonalityFn(),
+ "CleanupPadInst needs to be in a function with a personality.", &CPI);
+
+ // The cleanuppad instruction must be the first non-PHI instruction in the
+ // block.
+ Assert(BB->getFirstNonPHI() == &CPI,
+ "CleanupPadInst not the first non-PHI instruction in the block.",
+ &CPI);
+
+ User *FirstUser = nullptr;
+ BasicBlock *FirstUnwindDest = nullptr;
+ for (User *U : CPI.users()) {
+ BasicBlock *UnwindDest;
+ if (CleanupReturnInst *CRI = dyn_cast<CleanupReturnInst>(U)) {
+ UnwindDest = CRI->getUnwindDest();
+ } else {
+ UnwindDest = cast<CleanupEndPadInst>(U)->getUnwindDest();
+ }
+
+ if (!FirstUser) {
+ FirstUser = U;
+ FirstUnwindDest = UnwindDest;
+ } else {
+ Assert(UnwindDest == FirstUnwindDest,
+ "Cleanuprets/cleanupendpads from the same cleanuppad must "
+ "have the same unwind destination",
+ FirstUser, U);
+ }
+ }
+
+ visitInstruction(CPI);
+}
+
+void Verifier::visitCleanupEndPadInst(CleanupEndPadInst &CEPI) {
+ visitEHPadPredecessors(CEPI);
+
+ BasicBlock *BB = CEPI.getParent();
+ Function *F = BB->getParent();
+ Assert(F->hasPersonalityFn(),
+ "CleanupEndPadInst needs to be in a function with a personality.",
+ &CEPI);
+
+ // The cleanupendpad instruction must be the first non-PHI instruction in the
+ // block.
+ Assert(BB->getFirstNonPHI() == &CEPI,
+ "CleanupEndPadInst not the first non-PHI instruction in the block.",
+ &CEPI);
+
+ if (BasicBlock *UnwindDest = CEPI.getUnwindDest()) {
+ Instruction *I = UnwindDest->getFirstNonPHI();
+ Assert(
+ I->isEHPad() && !isa<LandingPadInst>(I),
+ "CleanupEndPad must unwind to an EH block which is not a landingpad.",
+ &CEPI);
+ }
+
+ visitTerminatorInst(CEPI);
+}
+
+void Verifier::visitCleanupReturnInst(CleanupReturnInst &CRI) {
+ if (BasicBlock *UnwindDest = CRI.getUnwindDest()) {
+ Instruction *I = UnwindDest->getFirstNonPHI();
+ Assert(I->isEHPad() && !isa<LandingPadInst>(I),
+ "CleanupReturnInst must unwind to an EH block which is not a "
+ "landingpad.",
+ &CRI);
+ }
+
+ visitTerminatorInst(CRI);
+}
+
+void Verifier::visitTerminatePadInst(TerminatePadInst &TPI) {
+ visitEHPadPredecessors(TPI);
+
+ BasicBlock *BB = TPI.getParent();
+ Function *F = BB->getParent();
+ Assert(F->hasPersonalityFn(),
+ "TerminatePadInst needs to be in a function with a personality.",
+ &TPI);
+
+ // The terminatepad instruction must be the first non-PHI instruction in the
+ // block.
+ Assert(BB->getFirstNonPHI() == &TPI,
+ "TerminatePadInst not the first non-PHI instruction in the block.",
+ &TPI);
+
+ if (BasicBlock *UnwindDest = TPI.getUnwindDest()) {
+ Instruction *I = UnwindDest->getFirstNonPHI();
+ Assert(I->isEHPad() && !isa<LandingPadInst>(I),
+ "TerminatePadInst must unwind to an EH block which is not a "
+ "landingpad.",
+ &TPI);
+ }
+
+ visitTerminatorInst(TPI);
+}
+
void Verifier::verifyDominatesUse(Instruction &I, unsigned i) {
Instruction *Op = cast<Instruction>(I.getOperand(i));
// If the we have an invalid invoke, don't try to compute the dominance.
"Instruction does not dominate all uses!", Op, &I);
}
+void Verifier::visitDereferenceableMetadata(Instruction& I, MDNode* MD) {
+ Assert(I.getType()->isPointerTy(), "dereferenceable, dereferenceable_or_null "
+ "apply only to pointer types", &I);
+ Assert(isa<LoadInst>(I),
+ "dereferenceable, dereferenceable_or_null apply only to load"
+ " instructions, use attributes for calls or invokes", &I);
+ Assert(MD->getNumOperands() == 1, "dereferenceable, dereferenceable_or_null "
+ "take one operand!", &I);
+ ConstantInt *CI = mdconst::dyn_extract<ConstantInt>(MD->getOperand(0));
+ Assert(CI && CI->getType()->isIntegerTy(64), "dereferenceable, "
+ "dereferenceable_or_null metadata value must be an i64!", &I);
+}
+
/// verifyInstruction - Verify that an instruction is well formed.
///
void Verifier::visitInstruction(Instruction &I) {
&I);
}
+ if (MDNode *MD = I.getMetadata(LLVMContext::MD_dereferenceable))
+ visitDereferenceableMetadata(I, MD);
+
+ if (MDNode *MD = I.getMetadata(LLVMContext::MD_dereferenceable_or_null))
+ visitDereferenceableMetadata(I, MD);
+
+ if (MDNode *AlignMD = I.getMetadata(LLVMContext::MD_align)) {
+ Assert(I.getType()->isPointerTy(), "align applies only to pointer types",
+ &I);
+ Assert(isa<LoadInst>(I), "align applies only to load instructions, "
+ "use attributes for calls or invokes", &I);
+ Assert(AlignMD->getNumOperands() == 1, "align takes one operand!", &I);
+ ConstantInt *CI = mdconst::dyn_extract<ConstantInt>(AlignMD->getOperand(0));
+ Assert(CI && CI->getType()->isIntegerTy(64),
+ "align metadata value must be an i64!", &I);
+ uint64_t Align = CI->getZExtValue();
+ Assert(isPowerOf2_64(Align),
+ "align metadata value must be a power of 2!", &I);
+ Assert(Align <= Value::MaximumAlignment,
+ "alignment is larger that implementation defined limit", &I);
+ }
+
if (MDNode *N = I.getDebugLoc().getAsMDNode()) {
Assert(isa<DILocation>(N), "invalid !dbg metadata attachment", &I, N);
visitMDNode(*N);
case IITDescriptor::Void: return !Ty->isVoidTy();
case IITDescriptor::VarArg: return true;
case IITDescriptor::MMX: return !Ty->isX86_MMXTy();
+ case IITDescriptor::Token: return !Ty->isTokenTy();
case IITDescriptor::Metadata: return !Ty->isMetadataTy();
case IITDescriptor::Half: return !Ty->isHalfTy();
case IITDescriptor::Float: return !Ty->isFloatTy();
return true;
}
-/// visitIntrinsicFunction - Allow intrinsics to be verified in different ways.
-///
-void Verifier::visitIntrinsicFunctionCall(Intrinsic::ID ID, CallInst &CI) {
- Function *IF = CI.getCalledFunction();
+/// Allow intrinsics to be verified in different ways.
+void Verifier::visitIntrinsicCallSite(Intrinsic::ID ID, CallSite CS) {
+ Function *IF = CS.getCalledFunction();
Assert(IF->isDeclaration(), "Intrinsic functions should never be defined!",
IF);
// If the intrinsic takes MDNode arguments, verify that they are either global
// or are local to *this* function.
- for (unsigned i = 0, e = CI.getNumArgOperands(); i != e; ++i)
- if (auto *MD = dyn_cast<MetadataAsValue>(CI.getArgOperand(i)))
- visitMetadataAsValue(*MD, CI.getParent()->getParent());
+ for (Value *V : CS.args())
+ if (auto *MD = dyn_cast<MetadataAsValue>(V))
+ visitMetadataAsValue(*MD, CS.getCaller());
switch (ID) {
default:
break;
case Intrinsic::ctlz: // llvm.ctlz
case Intrinsic::cttz: // llvm.cttz
- Assert(isa<ConstantInt>(CI.getArgOperand(1)),
+ Assert(isa<ConstantInt>(CS.getArgOperand(1)),
"is_zero_undef argument of bit counting intrinsics must be a "
"constant int",
- &CI);
+ CS);
break;
case Intrinsic::dbg_declare: // llvm.dbg.declare
- Assert(isa<MetadataAsValue>(CI.getArgOperand(0)),
- "invalid llvm.dbg.declare intrinsic call 1", &CI);
- visitDbgIntrinsic("declare", cast<DbgDeclareInst>(CI));
+ Assert(isa<MetadataAsValue>(CS.getArgOperand(0)),
+ "invalid llvm.dbg.declare intrinsic call 1", CS);
+ visitDbgIntrinsic("declare", cast<DbgDeclareInst>(*CS.getInstruction()));
break;
case Intrinsic::dbg_value: // llvm.dbg.value
- visitDbgIntrinsic("value", cast<DbgValueInst>(CI));
+ visitDbgIntrinsic("value", cast<DbgValueInst>(*CS.getInstruction()));
break;
case Intrinsic::memcpy:
case Intrinsic::memmove:
case Intrinsic::memset: {
- ConstantInt *AlignCI = dyn_cast<ConstantInt>(CI.getArgOperand(3));
+ ConstantInt *AlignCI = dyn_cast<ConstantInt>(CS.getArgOperand(3));
Assert(AlignCI,
"alignment argument of memory intrinsics must be a constant int",
- &CI);
+ CS);
const APInt &AlignVal = AlignCI->getValue();
Assert(AlignCI->isZero() || AlignVal.isPowerOf2(),
- "alignment argument of memory intrinsics must be a power of 2", &CI);
- Assert(isa<ConstantInt>(CI.getArgOperand(4)),
+ "alignment argument of memory intrinsics must be a power of 2", CS);
+ Assert(isa<ConstantInt>(CS.getArgOperand(4)),
"isvolatile argument of memory intrinsics must be a constant int",
- &CI);
+ CS);
break;
}
case Intrinsic::gcroot:
case Intrinsic::gcread:
if (ID == Intrinsic::gcroot) {
AllocaInst *AI =
- dyn_cast<AllocaInst>(CI.getArgOperand(0)->stripPointerCasts());
- Assert(AI, "llvm.gcroot parameter #1 must be an alloca.", &CI);
- Assert(isa<Constant>(CI.getArgOperand(1)),
- "llvm.gcroot parameter #2 must be a constant.", &CI);
+ dyn_cast<AllocaInst>(CS.getArgOperand(0)->stripPointerCasts());
+ Assert(AI, "llvm.gcroot parameter #1 must be an alloca.", CS);
+ Assert(isa<Constant>(CS.getArgOperand(1)),
+ "llvm.gcroot parameter #2 must be a constant.", CS);
if (!AI->getAllocatedType()->isPointerTy()) {
- Assert(!isa<ConstantPointerNull>(CI.getArgOperand(1)),
+ Assert(!isa<ConstantPointerNull>(CS.getArgOperand(1)),
"llvm.gcroot parameter #1 must either be a pointer alloca, "
"or argument #2 must be a non-null constant.",
- &CI);
+ CS);
}
}
- Assert(CI.getParent()->getParent()->hasGC(),
- "Enclosing function does not use GC.", &CI);
+ Assert(CS.getParent()->getParent()->hasGC(),
+ "Enclosing function does not use GC.", CS);
break;
case Intrinsic::init_trampoline:
- Assert(isa<Function>(CI.getArgOperand(1)->stripPointerCasts()),
+ Assert(isa<Function>(CS.getArgOperand(1)->stripPointerCasts()),
"llvm.init_trampoline parameter #2 must resolve to a function.",
- &CI);
+ CS);
break;
case Intrinsic::prefetch:
- Assert(isa<ConstantInt>(CI.getArgOperand(1)) &&
- isa<ConstantInt>(CI.getArgOperand(2)) &&
- cast<ConstantInt>(CI.getArgOperand(1))->getZExtValue() < 2 &&
- cast<ConstantInt>(CI.getArgOperand(2))->getZExtValue() < 4,
- "invalid arguments to llvm.prefetch", &CI);
+ Assert(isa<ConstantInt>(CS.getArgOperand(1)) &&
+ isa<ConstantInt>(CS.getArgOperand(2)) &&
+ cast<ConstantInt>(CS.getArgOperand(1))->getZExtValue() < 2 &&
+ cast<ConstantInt>(CS.getArgOperand(2))->getZExtValue() < 4,
+ "invalid arguments to llvm.prefetch", CS);
break;
case Intrinsic::stackprotector:
- Assert(isa<AllocaInst>(CI.getArgOperand(1)->stripPointerCasts()),
- "llvm.stackprotector parameter #2 must resolve to an alloca.", &CI);
+ Assert(isa<AllocaInst>(CS.getArgOperand(1)->stripPointerCasts()),
+ "llvm.stackprotector parameter #2 must resolve to an alloca.", CS);
break;
case Intrinsic::lifetime_start:
case Intrinsic::lifetime_end:
case Intrinsic::invariant_start:
- Assert(isa<ConstantInt>(CI.getArgOperand(0)),
+ Assert(isa<ConstantInt>(CS.getArgOperand(0)),
"size argument of memory use markers must be a constant integer",
- &CI);
+ CS);
break;
case Intrinsic::invariant_end:
- Assert(isa<ConstantInt>(CI.getArgOperand(1)),
- "llvm.invariant.end parameter #2 must be a constant integer", &CI);
+ Assert(isa<ConstantInt>(CS.getArgOperand(1)),
+ "llvm.invariant.end parameter #2 must be a constant integer", CS);
break;
- case Intrinsic::frameescape: {
- BasicBlock *BB = CI.getParent();
+ case Intrinsic::localescape: {
+ BasicBlock *BB = CS.getParent();
Assert(BB == &BB->getParent()->front(),
- "llvm.frameescape used outside of entry block", &CI);
+ "llvm.localescape used outside of entry block", CS);
Assert(!SawFrameEscape,
- "multiple calls to llvm.frameescape in one function", &CI);
- for (Value *Arg : CI.arg_operands()) {
+ "multiple calls to llvm.localescape in one function", CS);
+ for (Value *Arg : CS.args()) {
if (isa<ConstantPointerNull>(Arg))
continue; // Null values are allowed as placeholders.
auto *AI = dyn_cast<AllocaInst>(Arg->stripPointerCasts());
Assert(AI && AI->isStaticAlloca(),
- "llvm.frameescape only accepts static allocas", &CI);
+ "llvm.localescape only accepts static allocas", CS);
}
- FrameEscapeInfo[BB->getParent()].first = CI.getNumArgOperands();
+ FrameEscapeInfo[BB->getParent()].first = CS.getNumArgOperands();
SawFrameEscape = true;
break;
}
- case Intrinsic::framerecover: {
- Value *FnArg = CI.getArgOperand(0)->stripPointerCasts();
+ case Intrinsic::localrecover: {
+ Value *FnArg = CS.getArgOperand(0)->stripPointerCasts();
Function *Fn = dyn_cast<Function>(FnArg);
Assert(Fn && !Fn->isDeclaration(),
- "llvm.framerecover first "
+ "llvm.localrecover first "
"argument must be function defined in this module",
- &CI);
- auto *IdxArg = dyn_cast<ConstantInt>(CI.getArgOperand(2));
- Assert(IdxArg, "idx argument of llvm.framerecover must be a constant int",
- &CI);
+ CS);
+ auto *IdxArg = dyn_cast<ConstantInt>(CS.getArgOperand(2));
+ Assert(IdxArg, "idx argument of llvm.localrecover must be a constant int",
+ CS);
auto &Entry = FrameEscapeInfo[Fn];
Entry.second = unsigned(
std::max(uint64_t(Entry.second), IdxArg->getLimitedValue(~0U) + 1));
}
case Intrinsic::experimental_gc_statepoint:
- Assert(!CI.isInlineAsm(),
- "gc.statepoint support for inline assembly unimplemented", &CI);
- Assert(CI.getParent()->getParent()->hasGC(),
- "Enclosing function does not use GC.", &CI);
+ Assert(!CS.isInlineAsm(),
+ "gc.statepoint support for inline assembly unimplemented", CS);
+ Assert(CS.getParent()->getParent()->hasGC(),
+ "Enclosing function does not use GC.", CS);
- VerifyStatepoint(ImmutableCallSite(&CI));
+ VerifyStatepoint(CS);
break;
case Intrinsic::experimental_gc_result_int:
case Intrinsic::experimental_gc_result_float:
case Intrinsic::experimental_gc_result_ptr:
case Intrinsic::experimental_gc_result: {
- Assert(CI.getParent()->getParent()->hasGC(),
- "Enclosing function does not use GC.", &CI);
+ Assert(CS.getParent()->getParent()->hasGC(),
+ "Enclosing function does not use GC.", CS);
// Are we tied to a statepoint properly?
- CallSite StatepointCS(CI.getArgOperand(0));
+ CallSite StatepointCS(CS.getArgOperand(0));
const Function *StatepointFn =
StatepointCS.getInstruction() ? StatepointCS.getCalledFunction() : nullptr;
Assert(StatepointFn && StatepointFn->isDeclaration() &&
StatepointFn->getIntrinsicID() ==
Intrinsic::experimental_gc_statepoint,
- "gc.result operand #1 must be from a statepoint", &CI,
- CI.getArgOperand(0));
+ "gc.result operand #1 must be from a statepoint", CS,
+ CS.getArgOperand(0));
// Assert that result type matches wrapped callee.
- const Value *Target = StatepointCS.getArgument(0);
- const PointerType *PT = cast<PointerType>(Target->getType());
- const FunctionType *TargetFuncType =
- cast<FunctionType>(PT->getElementType());
- Assert(CI.getType() == TargetFuncType->getReturnType(),
- "gc.result result type does not match wrapped callee", &CI);
+ const Value *Target = StatepointCS.getArgument(2);
+ auto *PT = cast<PointerType>(Target->getType());
+ auto *TargetFuncType = cast<FunctionType>(PT->getElementType());
+ Assert(CS.getType() == TargetFuncType->getReturnType(),
+ "gc.result result type does not match wrapped callee", CS);
break;
}
case Intrinsic::experimental_gc_relocate: {
- Assert(CI.getNumArgOperands() == 3, "wrong number of arguments", &CI);
+ Assert(CS.getNumArgOperands() == 3, "wrong number of arguments", CS);
// Check that this relocate is correctly tied to the statepoint
// This is case for relocate on the unwinding path of an invoke statepoint
if (ExtractValueInst *ExtractValue =
- dyn_cast<ExtractValueInst>(CI.getArgOperand(0))) {
+ dyn_cast<ExtractValueInst>(CS.getArgOperand(0))) {
Assert(isa<LandingPadInst>(ExtractValue->getAggregateOperand()),
"gc relocate on unwind path incorrectly linked to the statepoint",
- &CI);
+ CS);
const BasicBlock *InvokeBB =
ExtractValue->getParent()->getUniquePredecessor();
// In all other cases relocate should be tied to the statepoint directly.
// This covers relocates on a normal return path of invoke statepoint and
// relocates of a call statepoint
- auto Token = CI.getArgOperand(0);
+ auto Token = CS.getArgOperand(0);
Assert(isa<Instruction>(Token) && isStatepoint(cast<Instruction>(Token)),
- "gc relocate is incorrectly tied to the statepoint", &CI, Token);
+ "gc relocate is incorrectly tied to the statepoint", CS, Token);
}
// Verify rest of the relocate arguments
- GCRelocateOperands Ops(&CI);
+ GCRelocateOperands Ops(CS);
ImmutableCallSite StatepointCS(Ops.getStatepoint());
// Both the base and derived must be piped through the safepoint
- Value* Base = CI.getArgOperand(1);
+ Value* Base = CS.getArgOperand(1);
Assert(isa<ConstantInt>(Base),
- "gc.relocate operand #2 must be integer offset", &CI);
+ "gc.relocate operand #2 must be integer offset", CS);
- Value* Derived = CI.getArgOperand(2);
+ Value* Derived = CS.getArgOperand(2);
Assert(isa<ConstantInt>(Derived),
- "gc.relocate operand #3 must be integer offset", &CI);
+ "gc.relocate operand #3 must be integer offset", CS);
const int BaseIndex = cast<ConstantInt>(Base)->getZExtValue();
const int DerivedIndex = cast<ConstantInt>(Derived)->getZExtValue();
// Check the bounds
Assert(0 <= BaseIndex && BaseIndex < (int)StatepointCS.arg_size(),
- "gc.relocate: statepoint base index out of bounds", &CI);
+ "gc.relocate: statepoint base index out of bounds", CS);
Assert(0 <= DerivedIndex && DerivedIndex < (int)StatepointCS.arg_size(),
- "gc.relocate: statepoint derived index out of bounds", &CI);
+ "gc.relocate: statepoint derived index out of bounds", CS);
// Check that BaseIndex and DerivedIndex fall within the 'gc parameters'
// section of the statepoint's argument
Assert(StatepointCS.arg_size() > 0,
"gc.statepoint: insufficient arguments");
- Assert(isa<ConstantInt>(StatepointCS.getArgument(1)),
+ Assert(isa<ConstantInt>(StatepointCS.getArgument(3)),
"gc.statement: number of call arguments must be constant integer");
const unsigned NumCallArgs =
- cast<ConstantInt>(StatepointCS.getArgument(1))->getZExtValue();
- Assert(StatepointCS.arg_size() > NumCallArgs+3,
+ cast<ConstantInt>(StatepointCS.getArgument(3))->getZExtValue();
+ Assert(StatepointCS.arg_size() > NumCallArgs + 5,
"gc.statepoint: mismatch in number of call arguments");
- Assert(isa<ConstantInt>(StatepointCS.getArgument(NumCallArgs+3)),
+ Assert(isa<ConstantInt>(StatepointCS.getArgument(NumCallArgs + 5)),
"gc.statepoint: number of transition arguments must be "
"a constant integer");
const int NumTransitionArgs =
- cast<ConstantInt>(StatepointCS.getArgument(NumCallArgs + 3))->getZExtValue();
- const int DeoptArgsStart = 2 + NumCallArgs + 1 + NumTransitionArgs + 1;
+ cast<ConstantInt>(StatepointCS.getArgument(NumCallArgs + 5))
+ ->getZExtValue();
+ const int DeoptArgsStart = 4 + NumCallArgs + 1 + NumTransitionArgs + 1;
Assert(isa<ConstantInt>(StatepointCS.getArgument(DeoptArgsStart)),
"gc.statepoint: number of deoptimization arguments must be "
"a constant integer");
Assert(GCParamArgsStart <= BaseIndex && BaseIndex < GCParamArgsEnd,
"gc.relocate: statepoint base index doesn't fall within the "
"'gc parameters' section of the statepoint call",
- &CI);
+ CS);
Assert(GCParamArgsStart <= DerivedIndex && DerivedIndex < GCParamArgsEnd,
"gc.relocate: statepoint derived index doesn't fall within the "
"'gc parameters' section of the statepoint call",
- &CI);
-
- // gc_relocate does not need to be the same type as the relocated pointer.
- // It can casted to the correct type later if it's desired
+ CS);
+
+ // Relocated value must be a pointer type, but gc_relocate does not need to return the
+ // same pointer type as the relocated pointer. It can be casted to the correct type later
+ // if it's desired. However, they must have the same address space.
+ GCRelocateOperands Operands(CS);
+ Assert(Operands.getDerivedPtr()->getType()->isPointerTy(),
+ "gc.relocate: relocated value must be a gc pointer", CS);
+
+ // gc_relocate return type must be a pointer type, and is verified earlier in
+ // VerifyIntrinsicType().
+ Assert(cast<PointerType>(CS.getType())->getAddressSpace() ==
+ cast<PointerType>(Operands.getDerivedPtr()->getType())->getAddressSpace(),
+ "gc.relocate: relocating a pointer shouldn't change its address space", CS);
+ break;
+ }
+ case Intrinsic::eh_exceptioncode:
+ case Intrinsic::eh_exceptionpointer: {
+ Assert(isa<CatchPadInst>(CS.getArgOperand(0)),
+ "eh.exceptionpointer argument must be a catchpad", CS);
break;
}
};
for (auto *CU : CUs->operands())
if (auto Ts = cast<DICompileUnit>(CU)->getRetainedTypes())
for (DIType *Op : Ts)
- if (auto *T = dyn_cast<DICompositeType>(Op))
+ if (auto *T = dyn_cast_or_null<DICompositeType>(Op))
if (auto *S = T->getRawIdentifier()) {
UnresolvedTypeRefs.erase(S);
TypeRefs.insert(std::make_pair(S, T));
projects / oota-llvm.git / blobdiff