/// Cache of constants visited in search of ConstantExprs.
SmallPtrSet<const Constant *, 32> ConstantExprVisited;
+ void checkAtomicMemAccessSize(const Module *M, Type *Ty,
+ const Instruction *I);
public:
explicit Verifier(raw_ostream &OS)
: VerifierSupport(OS), Context(nullptr), LandingPadResultTy(nullptr),
void visitCleanupPadInst(CleanupPadInst &CPI);
void visitCatchSwitchInst(CatchSwitchInst &CatchSwitch);
void visitCleanupReturnInst(CleanupReturnInst &CRI);
- void visitTerminatePadInst(TerminatePadInst &TPI);
void VerifyCallSite(CallSite CS);
void verifyMustTailCall(CallInst &CI);
I->getKindAsEnum() == Attribute::JumpTable ||
I->getKindAsEnum() == Attribute::Convergent ||
I->getKindAsEnum() == Attribute::ArgMemOnly ||
- I->getKindAsEnum() == Attribute::NoRecurse) {
+ I->getKindAsEnum() == Attribute::NoRecurse ||
+ I->getKindAsEnum() == Attribute::InaccessibleMemOnly ||
+ I->getKindAsEnum() == Attribute::InaccessibleMemOrArgMemOnly) {
if (!isFunction) {
CheckFailed("Attribute '" + I->getAsString() +
"' only applies to functions!", V);
Attrs.hasAttribute(AttributeSet::FunctionIndex, Attribute::ReadOnly)),
"Attributes 'readnone and readonly' are incompatible!", V);
+ Assert(
+ !(Attrs.hasAttribute(AttributeSet::FunctionIndex, Attribute::ReadNone) &&
+ Attrs.hasAttribute(AttributeSet::FunctionIndex,
+ Attribute::InaccessibleMemOrArgMemOnly)),
+ "Attributes 'readnone and inaccessiblemem_or_argmemonly' are incompatible!", V);
+
+ Assert(
+ !(Attrs.hasAttribute(AttributeSet::FunctionIndex, Attribute::ReadNone) &&
+ Attrs.hasAttribute(AttributeSet::FunctionIndex,
+ Attribute::InaccessibleMemOnly)),
+ "Attributes 'readnone and inaccessiblememonly' are incompatible!", V);
+
Assert(
!(Attrs.hasAttribute(AttributeSet::FunctionIndex, Attribute::NoInline) &&
Attrs.hasAttribute(AttributeSet::FunctionIndex,
if (Intrinsic::ID ID = (Intrinsic::ID)F->getIntrinsicID())
visitIntrinsicCallSite(ID, CS);
- // Verify that a callsite has at most one "deopt" operand bundle.
- bool FoundDeoptBundle = false;
+ // Verify that a callsite has at most one "deopt" and one "funclet" operand
+ // bundle.
+ bool FoundDeoptBundle = false, FoundFuncletBundle = false;
for (unsigned i = 0, e = CS.getNumOperandBundles(); i < e; ++i) {
- if (CS.getOperandBundleAt(i).getTagID() == LLVMContext::OB_deopt) {
+ OperandBundleUse BU = CS.getOperandBundleAt(i);
+ uint32_t Tag = BU.getTagID();
+ if (Tag == LLVMContext::OB_deopt) {
Assert(!FoundDeoptBundle, "Multiple deopt operand bundles", I);
FoundDeoptBundle = true;
}
+ if (Tag == LLVMContext::OB_funclet) {
+ Assert(!FoundFuncletBundle, "Multiple funclet operand bundles", I);
+ FoundFuncletBundle = true;
+ Assert(BU.Inputs.size() == 1,
+ "Expected exactly one funclet bundle operand", I);
+ Assert(isa<FuncletPadInst>(BU.Inputs.front()),
+ "Funclet bundle operands should correspond to a FuncletPadInst",
+ I);
+ }
}
visitInstruction(*I);
}
}
+void Verifier::checkAtomicMemAccessSize(const Module *M, Type *Ty,
+ const Instruction *I) {
+ unsigned Size = M->getDataLayout().getTypeSizeInBits(Ty);
+ Assert(Size >= 8, "atomic memory access' size must be byte-sized", Ty, I);
+ Assert(!(Size & (Size - 1)),
+ "atomic memory access' operand must have a power-of-two size", Ty, I);
+}
+
void Verifier::visitLoadInst(LoadInst &LI) {
PointerType *PTy = dyn_cast<PointerType>(LI.getOperand(0)->getType());
Assert(PTy, "Load operand must be a pointer.", &LI);
"Load cannot have Release ordering", &LI);
Assert(LI.getAlignment() != 0,
"Atomic load must specify explicit alignment", &LI);
- if (!ElTy->isPointerTy()) {
- Assert(ElTy->isIntegerTy(), "atomic load operand must have integer type!",
- &LI, ElTy);
- unsigned Size = ElTy->getPrimitiveSizeInBits();
- Assert(Size >= 8 && !(Size & (Size - 1)),
- "atomic load operand must be power-of-two byte-sized integer", &LI,
- ElTy);
- }
+ Assert(ElTy->isIntegerTy() || ElTy->isPointerTy() ||
+ ElTy->isFloatingPointTy(),
+ "atomic load operand must have integer, pointer, or floating point "
+ "type!",
+ ElTy, &LI);
+ checkAtomicMemAccessSize(M, ElTy, &LI);
} else {
Assert(LI.getSynchScope() == CrossThread,
"Non-atomic load cannot have SynchronizationScope specified", &LI);
"Store cannot have Acquire ordering", &SI);
Assert(SI.getAlignment() != 0,
"Atomic store must specify explicit alignment", &SI);
- if (!ElTy->isPointerTy()) {
- Assert(ElTy->isIntegerTy(),
- "atomic store operand must have integer type!", &SI, ElTy);
- unsigned Size = ElTy->getPrimitiveSizeInBits();
- Assert(Size >= 8 && !(Size & (Size - 1)),
- "atomic store operand must be power-of-two byte-sized integer",
- &SI, ElTy);
- }
+ Assert(ElTy->isIntegerTy() || ElTy->isPointerTy() ||
+ ElTy->isFloatingPointTy(),
+ "atomic store operand must have integer, pointer, or floating point "
+ "type!",
+ ElTy, &SI);
+ checkAtomicMemAccessSize(M, ElTy, &SI);
} else {
Assert(SI.getSynchScope() == CrossThread,
"Non-atomic store cannot have SynchronizationScope specified", &SI);
Type *ElTy = PTy->getElementType();
Assert(ElTy->isIntegerTy(), "cmpxchg operand must have integer type!", &CXI,
ElTy);
- unsigned Size = ElTy->getPrimitiveSizeInBits();
- Assert(Size >= 8 && !(Size & (Size - 1)),
- "cmpxchg operand must be power-of-two byte-sized integer", &CXI, ElTy);
+ checkAtomicMemAccessSize(M, ElTy, &CXI);
Assert(ElTy == CXI.getOperand(1)->getType(),
"Expected value type does not match pointer operand type!", &CXI,
ElTy);
Type *ElTy = PTy->getElementType();
Assert(ElTy->isIntegerTy(), "atomicrmw operand must have integer type!",
&RMWI, ElTy);
- unsigned Size = ElTy->getPrimitiveSizeInBits();
- Assert(Size >= 8 && !(Size & (Size - 1)),
- "atomicrmw operand must be power-of-two byte-sized integer", &RMWI,
- ElTy);
+ checkAtomicMemAccessSize(M, ElTy, &RMWI);
Assert(ElTy == RMWI.getOperand(1)->getType(),
"Argument value type does not match pointer operand type!", &RMWI,
ElTy);
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 (!isa<CleanupReturnInst>(TI) && !isa<TerminatePadInst>(TI) &&
- !isa<CatchSwitchInst>(TI)) {
+ } else if (!isa<CleanupReturnInst>(TI) && !isa<CatchSwitchInst>(TI)) {
Assert(false, "EH pad must be jumped to via an unwind edge", &I, TI);
}
}
BasicBlock *UnwindDest;
if (CleanupReturnInst *CRI = dyn_cast<CleanupReturnInst>(U)) {
UnwindDest = CRI->getUnwindDest();
- } else if (isa<CleanupPadInst>(U) || isa<CatchSwitchInst>(U) ||
- isa<TerminatePadInst>(U)) {
+ } else if (isa<CleanupPadInst>(U) || isa<CatchSwitchInst>(U)) {
+ continue;
+ } else if (CallSite(U)) {
continue;
} else {
Assert(false, "bogus cleanuppad use", &CPI);
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);
- }
-
- auto *ParentPad = TPI.getParentPad();
- Assert(isa<CatchSwitchInst>(ParentPad) || isa<ConstantTokenNone>(ParentPad) ||
- isa<CleanupPadInst>(ParentPad) || isa<CatchPadInst>(ParentPad),
- "TerminatePadInst has an invalid parent.", ParentPad);
-
- 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.
projects / oota-llvm.git / blobdiff