#include "llvm/ADT/StringExtras.h"
#include "llvm/Analysis/Dominators.h"
#include "llvm/Assembly/Writer.h"
+#include "llvm/DebugInfo.h"
#include "llvm/IR/CallingConv.h"
#include "llvm/IR/Constants.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/PassManager.h"
#include "llvm/Support/CFG.h"
#include "llvm/Support/CallSite.h"
+#include "llvm/Support/CommandLine.h"
#include "llvm/Support/ConstantRange.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/ErrorHandling.h"
#include <cstdarg>
using namespace llvm;
+static cl::opt<bool> DisableDebugInfoVerifier("disable-debug-info-verifier",
+ cl::init(false));
+
namespace { // Anonymous namespace for class
struct PreVerifier : public FunctionPass {
static char ID; // Pass ID, replacement for typeid
for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) {
if (I->empty() || !I->back().isTerminator()) {
- dbgs() << "Basic Block in function '" << F.getName()
+ dbgs() << "Basic Block in function '" << F.getName()
<< "' does not have terminator!\n";
WriteAsOperand(dbgs(), I, true);
dbgs() << "\n";
}
char PreVerifier::ID = 0;
-INITIALIZE_PASS(PreVerifier, "preverify", "Preliminary module verification",
+INITIALIZE_PASS(PreVerifier, "preverify", "Preliminary module verification",
false, false)
static char &PreVerifyID = PreVerifier::ID;
/// the same personality function.
const Value *PersonalityFn;
+ /// Finder keeps track of all debug info MDNodes in a Module.
+ DebugInfoFinder Finder;
+
Verifier()
: FunctionPass(ID), Broken(false),
action(AbortProcessAction), Mod(0), Context(0), DT(0),
bool doInitialization(Module &M) {
Mod = &M;
Context = &M.getContext();
+ Finder.reset();
// We must abort before returning back to the pass manager, or else the
// pass manager may try to run other passes on the broken module.
if (I->isDeclaration()) visitFunction(*I);
}
- for (Module::global_iterator I = M.global_begin(), E = M.global_end();
+ for (Module::global_iterator I = M.global_begin(), E = M.global_end();
I != E; ++I)
visitGlobalVariable(*I);
- for (Module::alias_iterator I = M.alias_begin(), E = M.alias_end();
+ for (Module::alias_iterator I = M.alias_begin(), E = M.alias_end();
I != E; ++I)
visitGlobalAlias(*I);
visitModuleFlags(M);
+ // Verify Debug Info.
+ verifyDebugInfo(M);
+
// If the module is broken, abort at this time.
return abortIfBroken();
}
bool VerifyIntrinsicType(Type *Ty,
ArrayRef<Intrinsic::IITDescriptor> &Infos,
SmallVectorImpl<Type*> &ArgTys);
- void VerifyParameterAttrs(AttributeSet Attrs, uint64_t Idx, Type *Ty,
+ bool VerifyAttributeCount(AttributeSet Attrs, unsigned Params);
+ void VerifyAttributeTypes(AttributeSet Attrs, unsigned Idx,
+ bool isFunction, const Value *V);
+ void VerifyParameterAttrs(AttributeSet Attrs, unsigned Idx, Type *Ty,
bool isReturnValue, const Value *V);
- void VerifyFunctionAttrs(FunctionType *FT, const AttributeSet &Attrs,
+ void VerifyFunctionAttrs(FunctionType *FT, AttributeSet Attrs,
const Value *V);
+ void verifyDebugInfo(Module &M);
+
void WriteValue(const Value *V) {
if (!V) return;
if (isa<Instruction>(V)) {
}
}
+ if (GV.hasName() && (GV.getName() == "llvm.used" ||
+ GV.getName() == "llvm.compiler.used")) {
+ Assert1(!GV.hasInitializer() || GV.hasAppendingLinkage(),
+ "invalid linkage for intrinsic global variable", &GV);
+ Type *GVType = GV.getType()->getElementType();
+ if (ArrayType *ATy = dyn_cast<ArrayType>(GVType)) {
+ PointerType *PTy = dyn_cast<PointerType>(ATy->getElementType());
+ Assert1(PTy, "wrong type for intrinsic global variable", &GV);
+ if (GV.hasInitializer()) {
+ Constant *Init = GV.getInitializer();
+ ConstantArray *InitArray = dyn_cast<ConstantArray>(Init);
+ Assert1(InitArray, "wrong initalizer for intrinsic global variable",
+ Init);
+ for (unsigned i = 0, e = InitArray->getNumOperands(); i != e; ++i) {
+ Value *V = Init->getOperand(i)->stripPointerCastsNoFollowAliases();
+ Assert1(
+ isa<GlobalVariable>(V) || isa<Function>(V) || isa<GlobalAlias>(V),
+ "invalid llvm.used member", V);
+ Assert1(V->hasName(), "members of llvm.used must be named", V);
+ }
+ }
+ }
+ }
+
visitGlobalValue(GV);
}
"Alias and aliasee types should match!", &GA);
Assert1(!GA.hasUnnamedAddr(), "Alias cannot have unnamed_addr!", &GA);
- if (!isa<GlobalValue>(GA.getAliasee())) {
- const ConstantExpr *CE = dyn_cast<ConstantExpr>(GA.getAliasee());
- Assert1(CE &&
+ Constant *Aliasee = GA.getAliasee();
+
+ if (!isa<GlobalValue>(Aliasee)) {
+ ConstantExpr *CE = dyn_cast<ConstantExpr>(Aliasee);
+ Assert1(CE &&
(CE->getOpcode() == Instruction::BitCast ||
CE->getOpcode() == Instruction::GetElementPtr) &&
isa<GlobalValue>(CE->getOperand(0)),
"Aliasee should be either GlobalValue or bitcast of GlobalValue",
&GA);
+
+ if (CE->getOpcode() == Instruction::BitCast) {
+ unsigned SrcAS = CE->getOperand(0)->getType()->getPointerAddressSpace();
+ unsigned DstAS = CE->getType()->getPointerAddressSpace();
+
+ Assert1(SrcAS == DstAS,
+ "Alias bitcasts cannot be between different address spaces",
+ &GA);
+ }
}
- const GlobalValue* Aliasee = GA.resolveAliasedGlobal(/*stopOnWeak*/ false);
- Assert1(Aliasee,
+ const GlobalValue* Resolved = GA.resolveAliasedGlobal(/*stopOnWeak*/ false);
+ Assert1(Resolved,
"Aliasing chain should end with function or global variable", &GA);
visitGlobalValue(GA);
}
}
+void Verifier::VerifyAttributeTypes(AttributeSet Attrs, unsigned Idx,
+ bool isFunction, const Value *V) {
+ unsigned Slot = ~0U;
+ for (unsigned I = 0, E = Attrs.getNumSlots(); I != E; ++I)
+ if (Attrs.getSlotIndex(I) == Idx) {
+ Slot = I;
+ break;
+ }
+
+ assert(Slot != ~0U && "Attribute set inconsistency!");
+
+ for (AttributeSet::iterator I = Attrs.begin(Slot), E = Attrs.end(Slot);
+ I != E; ++I) {
+ if (I->isStringAttribute())
+ continue;
+
+ if (I->getKindAsEnum() == Attribute::NoReturn ||
+ I->getKindAsEnum() == Attribute::NoUnwind ||
+ I->getKindAsEnum() == Attribute::NoInline ||
+ I->getKindAsEnum() == Attribute::AlwaysInline ||
+ I->getKindAsEnum() == Attribute::OptimizeForSize ||
+ I->getKindAsEnum() == Attribute::StackProtect ||
+ I->getKindAsEnum() == Attribute::StackProtectReq ||
+ I->getKindAsEnum() == Attribute::StackProtectStrong ||
+ I->getKindAsEnum() == Attribute::NoRedZone ||
+ I->getKindAsEnum() == Attribute::NoImplicitFloat ||
+ I->getKindAsEnum() == Attribute::Naked ||
+ I->getKindAsEnum() == Attribute::InlineHint ||
+ I->getKindAsEnum() == Attribute::StackAlignment ||
+ I->getKindAsEnum() == Attribute::UWTable ||
+ I->getKindAsEnum() == Attribute::NonLazyBind ||
+ I->getKindAsEnum() == Attribute::ReturnsTwice ||
+ I->getKindAsEnum() == Attribute::SanitizeAddress ||
+ I->getKindAsEnum() == Attribute::SanitizeThread ||
+ I->getKindAsEnum() == Attribute::SanitizeMemory ||
+ I->getKindAsEnum() == Attribute::MinSize ||
+ I->getKindAsEnum() == Attribute::NoDuplicate ||
+ I->getKindAsEnum() == Attribute::Builtin ||
+ I->getKindAsEnum() == Attribute::NoBuiltin ||
+ I->getKindAsEnum() == Attribute::Cold) {
+ if (!isFunction) {
+ CheckFailed("Attribute '" + I->getAsString() +
+ "' only applies to functions!", V);
+ return;
+ }
+ } else if (I->getKindAsEnum() == Attribute::ReadOnly ||
+ I->getKindAsEnum() == Attribute::ReadNone) {
+ if (Idx == 0) {
+ CheckFailed("Attribute '" + I->getAsString() +
+ "' does not apply to function returns");
+ return;
+ }
+ } else if (isFunction) {
+ CheckFailed("Attribute '" + I->getAsString() +
+ "' does not apply to functions!", V);
+ return;
+ }
+ }
+}
+
// VerifyParameterAttrs - Check the given attributes for an argument or return
// value of the specified type. The value V is printed in error messages.
-void Verifier::VerifyParameterAttrs(AttributeSet Attrs, uint64_t Idx, Type *Ty,
+void Verifier::VerifyParameterAttrs(AttributeSet Attrs, unsigned Idx, Type *Ty,
bool isReturnValue, const Value *V) {
if (!Attrs.hasAttributes(Idx))
return;
- Assert1(!Attrs.hasAttribute(Idx, Attribute::NoReturn) &&
- !Attrs.hasAttribute(Idx, Attribute::NoUnwind) &&
- !Attrs.hasAttribute(Idx, Attribute::ReadNone) &&
- !Attrs.hasAttribute(Idx, Attribute::ReadOnly) &&
- !Attrs.hasAttribute(Idx, Attribute::NoInline) &&
- !Attrs.hasAttribute(Idx, Attribute::AlwaysInline) &&
- !Attrs.hasAttribute(Idx, Attribute::OptimizeForSize) &&
- !Attrs.hasAttribute(Idx, Attribute::StackProtect) &&
- !Attrs.hasAttribute(Idx, Attribute::StackProtectReq) &&
- !Attrs.hasAttribute(Idx, Attribute::NoRedZone) &&
- !Attrs.hasAttribute(Idx, Attribute::NoImplicitFloat) &&
- !Attrs.hasAttribute(Idx, Attribute::Naked) &&
- !Attrs.hasAttribute(Idx, Attribute::InlineHint) &&
- !Attrs.hasAttribute(Idx, Attribute::StackAlignment) &&
- !Attrs.hasAttribute(Idx, Attribute::UWTable) &&
- !Attrs.hasAttribute(Idx, Attribute::NonLazyBind) &&
- !Attrs.hasAttribute(Idx, Attribute::ReturnsTwice) &&
- !Attrs.hasAttribute(Idx, Attribute::SanitizeAddress) &&
- !Attrs.hasAttribute(Idx, Attribute::SanitizeThread) &&
- !Attrs.hasAttribute(Idx, Attribute::SanitizeMemory) &&
- !Attrs.hasAttribute(Idx, Attribute::MinSize) &&
- !Attrs.hasAttribute(Idx, Attribute::NoBuiltin),
- "Some attributes in '" + Attrs.getAsString(Idx) +
- "' only apply to functions!", V);
+ VerifyAttributeTypes(Attrs, Idx, false, V);
if (isReturnValue)
Assert1(!Attrs.hasAttribute(Idx, Attribute::ByVal) &&
!Attrs.hasAttribute(Idx, Attribute::Nest) &&
!Attrs.hasAttribute(Idx, Attribute::StructRet) &&
- !Attrs.hasAttribute(Idx, Attribute::NoCapture),
- "Attribute 'byval', 'nest', 'sret', and 'nocapture' "
+ !Attrs.hasAttribute(Idx, Attribute::NoCapture) &&
+ !Attrs.hasAttribute(Idx, Attribute::Returned),
+ "Attribute 'byval', 'nest', 'sret', 'nocapture', and 'returned' "
"do not apply to return values!", V);
// Check for mutually incompatible attributes.
Attrs.hasAttribute(Idx, Attribute::InReg))), "Attributes "
"'byval, nest, and inreg' are incompatible!", V);
+ Assert1(!(Attrs.hasAttribute(Idx, Attribute::StructRet) &&
+ Attrs.hasAttribute(Idx, Attribute::Returned)), "Attributes "
+ "'sret and returned' are incompatible!", V);
+
Assert1(!(Attrs.hasAttribute(Idx, Attribute::ZExt) &&
Attrs.hasAttribute(Idx, Attribute::SExt)), "Attributes "
"'zeroext and signext' are incompatible!", V);
// VerifyFunctionAttrs - Check parameter attributes against a function type.
// The value V is printed in error messages.
-void Verifier::VerifyFunctionAttrs(FunctionType *FT,
- const AttributeSet &Attrs,
+void Verifier::VerifyFunctionAttrs(FunctionType *FT, AttributeSet Attrs,
const Value *V) {
if (Attrs.isEmpty())
return;
bool SawNest = false;
+ bool SawReturned = false;
for (unsigned i = 0, e = Attrs.getNumSlots(); i != e; ++i) {
- unsigned Index = Attrs.getSlotIndex(i);
+ unsigned Idx = Attrs.getSlotIndex(i);
Type *Ty;
- if (Index == 0)
+ if (Idx == 0)
Ty = FT->getReturnType();
- else if (Index-1 < FT->getNumParams())
- Ty = FT->getParamType(Index-1);
+ else if (Idx-1 < FT->getNumParams())
+ Ty = FT->getParamType(Idx-1);
else
break; // VarArgs attributes, verified elsewhere.
- VerifyParameterAttrs(Attrs, Index, Ty, Index == 0, V);
+ VerifyParameterAttrs(Attrs, Idx, Ty, Idx == 0, V);
+
+ if (Idx == 0)
+ continue;
- if (Attrs.hasAttribute(i, Attribute::Nest)) {
+ if (Attrs.hasAttribute(Idx, Attribute::Nest)) {
Assert1(!SawNest, "More than one parameter has attribute nest!", V);
SawNest = true;
}
- if (Attrs.hasAttribute(Index, Attribute::StructRet))
- Assert1(Index == 1, "Attribute sret is not on first parameter!", V);
+ if (Attrs.hasAttribute(Idx, Attribute::Returned)) {
+ Assert1(!SawReturned, "More than one parameter has attribute returned!",
+ V);
+ Assert1(Ty->canLosslesslyBitCastTo(FT->getReturnType()), "Incompatible "
+ "argument and return types for 'returned' attribute", V);
+ SawReturned = true;
+ }
+
+ if (Attrs.hasAttribute(Idx, Attribute::StructRet))
+ Assert1(Idx == 1, "Attribute sret is not on first parameter!", V);
}
if (!Attrs.hasAttributes(AttributeSet::FunctionIndex))
return;
- AttrBuilder NotFn(Attrs, AttributeSet::FunctionIndex);
- NotFn.removeFunctionOnlyAttrs();
- Assert1(NotFn.empty(), "Attributes '" +
- AttributeSet::get(V->getContext(),
- AttributeSet::FunctionIndex,
- NotFn).getAsString(AttributeSet::FunctionIndex) +
- "' do not apply to the function!", V);
-
- // Check for mutually incompatible attributes.
- Assert1(!((Attrs.hasAttribute(AttributeSet::FunctionIndex,
- Attribute::ByVal) &&
- Attrs.hasAttribute(AttributeSet::FunctionIndex,
- Attribute::Nest)) ||
- (Attrs.hasAttribute(AttributeSet::FunctionIndex,
- Attribute::ByVal) &&
- Attrs.hasAttribute(AttributeSet::FunctionIndex,
- Attribute::StructRet)) ||
- (Attrs.hasAttribute(AttributeSet::FunctionIndex,
- Attribute::Nest) &&
- Attrs.hasAttribute(AttributeSet::FunctionIndex,
- Attribute::StructRet))),
- "Attributes 'byval, nest, and sret' are incompatible!", V);
-
- Assert1(!((Attrs.hasAttribute(AttributeSet::FunctionIndex,
- Attribute::ByVal) &&
- Attrs.hasAttribute(AttributeSet::FunctionIndex,
- Attribute::Nest)) ||
- (Attrs.hasAttribute(AttributeSet::FunctionIndex,
- Attribute::ByVal) &&
- Attrs.hasAttribute(AttributeSet::FunctionIndex,
- Attribute::InReg)) ||
- (Attrs.hasAttribute(AttributeSet::FunctionIndex,
- Attribute::Nest) &&
- Attrs.hasAttribute(AttributeSet::FunctionIndex,
- Attribute::InReg))),
- "Attributes 'byval, nest, and inreg' are incompatible!", V);
-
- Assert1(!(Attrs.hasAttribute(AttributeSet::FunctionIndex,
- Attribute::ZExt) &&
- Attrs.hasAttribute(AttributeSet::FunctionIndex,
- Attribute::SExt)),
- "Attributes 'zeroext and signext' are incompatible!", V);
+ VerifyAttributeTypes(Attrs, AttributeSet::FunctionIndex, true, V);
Assert1(!(Attrs.hasAttribute(AttributeSet::FunctionIndex,
Attribute::ReadNone) &&
"Attributes 'noinline and alwaysinline' are incompatible!", V);
}
-static bool VerifyAttributeCount(const AttributeSet &Attrs, unsigned Params) {
+bool Verifier::VerifyAttributeCount(AttributeSet Attrs, unsigned Params) {
if (Attrs.getNumSlots() == 0)
return true;
|| (LastIndex == AttributeSet::FunctionIndex
&& (LastSlot == 0 || Attrs.getSlotIndex(LastSlot - 1) <= Params)))
return true;
-
+
return false;
}
"# formal arguments must match # of arguments for function type!",
&F, FT);
Assert1(F.getReturnType()->isFirstClassType() ||
- F.getReturnType()->isVoidTy() ||
+ F.getReturnType()->isVoidTy() ||
F.getReturnType()->isStructTy(),
"Functions cannot return aggregate values!", &F);
Assert1(!F.hasStructRetAttr() || F.getReturnType()->isVoidTy(),
"Invalid struct return type!", &F);
- const AttributeSet &Attrs = F.getAttributes();
+ AttributeSet Attrs = F.getAttributes();
Assert1(VerifyAttributeCount(Attrs, FT->getNumParams()),
"Attribute after last parameter!", &F);
// Check function attributes.
VerifyFunctionAttrs(FT, Attrs, &F);
+ // On function declarations/definitions, we do not support the builtin
+ // attribute. We do not check this in VerifyFunctionAttrs since that is
+ // checking for Attributes that can/can not ever be on functions.
+ Assert1(!Attrs.hasAttribute(AttributeSet::FunctionIndex,
+ Attribute::Builtin),
+ "Attribute 'builtin' can only be applied to a callsite.", &F);
+
// Check that this function meets the restrictions on this calling convention.
switch (F.getCallingConv()) {
default:
// Verify that this function (which has a body) is not named "llvm.*". It
// is not legal to define intrinsics.
Assert1(!isLLVMdotName, "llvm intrinsics cannot be defined!", &F);
-
+
// Check the entry node
BasicBlock *Entry = &F.getEntryBlock();
Assert1(pred_begin(Entry) == pred_end(Entry),
"Entry block to function must not have predecessors!", Entry);
-
+
// The address of the entry block cannot be taken, unless it is dead.
if (Entry->hasAddressTaken()) {
Assert1(!BlockAddress::get(Entry)->isConstantUsed(),
"blockaddress may not be used with the entry block!", Entry);
}
}
-
+
// If this function is actually an intrinsic, verify that it is only used in
// direct call/invokes, never having its "address taken".
if (F.getIntrinsicID()) {
const User *U;
if (F.hasAddressTaken(&U))
- Assert1(0, "Invalid user of intrinsic instruction!", U);
+ Assert1(0, "Invalid user of intrinsic instruction!", U);
}
}
void Verifier::visitReturnInst(ReturnInst &RI) {
Function *F = RI.getParent()->getParent();
unsigned N = RI.getNumOperands();
- if (F->getReturnType()->isVoidTy())
+ if (F->getReturnType()->isVoidTy())
Assert2(N == 0,
"Found return instr that returns non-void in Function of void "
"return type!", &RI, F->getReturnType());
RangeSetMap[r] = i.getCaseIndex();
}
}
-
+
IntegersSubsetToBB::RangeIterator errItem;
if (!Mapping.verify(errItem)) {
unsigned CaseIndex = RangeSetMap[errItem->first];
SwitchInst::CaseIt i(&SI, CaseIndex);
Assert2(false, "Duplicate integer as switch case", &SI, i.getCaseValueEx());
}
-
+
visitTerminatorInst(SI);
}
// This can be tested by checking whether the instruction before this is
// either nonexistent (because this is begin()) or is a PHI node. If not,
// then there is some other instruction before a PHI.
- Assert2(&PN == &PN.getParent()->front() ||
+ Assert2(&PN == &PN.getParent()->front() ||
isa<PHINode>(--BasicBlock::iterator(&PN)),
"PHI nodes not grouped at top of basic block!",
&PN, PN.getParent());
"Call parameter type does not match function signature!",
CS.getArgument(i), FTy->getParamType(i), I);
- const AttributeSet &Attrs = CS.getAttributes();
+ AttributeSet Attrs = CS.getAttributes();
Assert1(VerifyAttributeCount(Attrs, CS.arg_size()),
"Attribute after last parameter!", I);
// Verify call attributes.
VerifyFunctionAttrs(FTy, Attrs, I);
- if (FTy->isVarArg())
+ if (FTy->isVarArg()) {
+ // FIXME? is 'nest' even legal here?
+ bool SawNest = false;
+ bool SawReturned = false;
+
+ for (unsigned Idx = 1; Idx < 1 + FTy->getNumParams(); ++Idx) {
+ if (Attrs.hasAttribute(Idx, Attribute::Nest))
+ SawNest = true;
+ if (Attrs.hasAttribute(Idx, Attribute::Returned))
+ SawReturned = true;
+ }
+
// Check attributes on the varargs part.
for (unsigned Idx = 1 + FTy->getNumParams(); Idx <= CS.arg_size(); ++Idx) {
- VerifyParameterAttrs(Attrs, Idx, CS.getArgument(Idx-1)->getType(),
- false, I);
+ Type *Ty = CS.getArgument(Idx-1)->getType();
+ VerifyParameterAttrs(Attrs, Idx, Ty, false, I);
+
+ if (Attrs.hasAttribute(Idx, Attribute::Nest)) {
+ Assert1(!SawNest, "More than one parameter has attribute nest!", I);
+ SawNest = true;
+ }
+
+ if (Attrs.hasAttribute(Idx, Attribute::Returned)) {
+ Assert1(!SawReturned, "More than one parameter has attribute returned!",
+ I);
+ Assert1(Ty->canLosslesslyBitCastTo(FTy->getReturnType()),
+ "Incompatible argument and return types for 'returned' "
+ "attribute", I);
+ SawReturned = true;
+ }
Assert1(!Attrs.hasAttribute(Idx, Attribute::StructRet),
"Attribute 'sret' cannot be used for vararg call arguments!", I);
}
+ }
// Verify that there's no metadata unless it's a direct call to an intrinsic.
if (CS.getCalledFunction() == 0 ||
"Function has metadata parameter but isn't an intrinsic", I);
}
+ // If the call site has the 'builtin' attribute, verify that it's applied to a
+ // direct call to a function with the 'nobuiltin' attribute.
+ if (CS.hasFnAttr(Attribute::Builtin))
+ Assert1(CS.getCalledFunction() &&
+ CS.getCalledFunction()->hasFnAttribute(Attribute::NoBuiltin),
+ "Attribute 'builtin' can only be used in a call to a function with "
+ "the 'nobuiltin' attribute.", I);
+
visitInstruction(*I);
}
void Verifier::visitAllocaInst(AllocaInst &AI) {
PointerType *PTy = AI.getType();
- Assert1(PTy->getAddressSpace() == 0,
+ Assert1(PTy->getAddressSpace() == 0,
"Allocation instruction pointer not in the generic address space!",
&AI);
Assert1(PTy->getElementType()->isSized(), "Cannot allocate unsized type",
EVI.getIndices()) ==
EVI.getType(),
"Invalid ExtractValueInst operands!", &EVI);
-
+
visitInstruction(EVI);
}
IVI.getIndices()) ==
IVI.getOperand(1)->getType(),
"Invalid InsertValueInst operands!", &IVI);
-
+
visitInstruction(IVI);
}
// Check that the return value of the instruction is either void or a legal
// value type.
- Assert1(I.getType()->isVoidTy() ||
+ Assert1(I.getType()->isVoidTy() ||
I.getType()->isFirstClassType(),
"Instruction returns a non-scalar type!", &I);
Value *Op0 = MD->getOperand(0);
if (ConstantFP *CFP0 = dyn_cast_or_null<ConstantFP>(Op0)) {
APFloat Accuracy = CFP0->getValueAPF();
- Assert1(Accuracy.isNormal() && !Accuracy.isNegative(),
+ Assert1(Accuracy.isFiniteNonZero() && !Accuracy.isNegative(),
"fpmath accuracy not a positive number!", &I);
} else {
Assert1(false, "invalid fpmath accuracy!", &I);
using namespace Intrinsic;
// If we ran out of descriptors, there are too many arguments.
- if (Infos.empty()) return true;
+ if (Infos.empty()) return true;
IITDescriptor D = Infos.front();
Infos = Infos.slice(1);
-
+
switch (D.Kind) {
case IITDescriptor::Void: return !Ty->isVoidTy();
case IITDescriptor::MMX: return !Ty->isX86_MMXTy();
return PT == 0 || PT->getAddressSpace() != D.Pointer_AddressSpace ||
VerifyIntrinsicType(PT->getElementType(), Infos, ArgTys);
}
-
+
case IITDescriptor::Struct: {
StructType *ST = dyn_cast<StructType>(Ty);
if (ST == 0 || ST->getNumElements() != D.Struct_NumElements)
return true;
-
+
for (unsigned i = 0, e = D.Struct_NumElements; i != e; ++i)
if (VerifyIntrinsicType(ST->getElementType(i), Infos, ArgTys))
return true;
return false;
}
-
+
case IITDescriptor::Argument:
// Two cases here - If this is the second occurrence of an argument, verify
- // that the later instance matches the previous instance.
+ // that the later instance matches the previous instance.
if (D.getArgumentNumber() < ArgTys.size())
- return Ty != ArgTys[D.getArgumentNumber()];
-
+ return Ty != ArgTys[D.getArgumentNumber()];
+
// Otherwise, if this is the first instance of an argument, record it and
// verify the "Any" kind.
assert(D.getArgumentNumber() == ArgTys.size() && "Table consistency error");
ArgTys.push_back(Ty);
-
+
switch (D.getArgumentKind()) {
case IITDescriptor::AK_AnyInteger: return !Ty->isIntOrIntVectorTy();
case IITDescriptor::AK_AnyFloat: return !Ty->isFPOrFPVectorTy();
case IITDescriptor::AK_AnyPointer: return !isa<PointerType>(Ty);
}
llvm_unreachable("all argument kinds not covered");
-
+
case IITDescriptor::ExtendVecArgument:
// This may only be used when referring to a previous vector argument.
return D.getArgumentNumber() >= ArgTys.size() ||
// describe.
FunctionType *IFTy = IF->getFunctionType();
Assert1(!IFTy->isVarArg(), "Intrinsic prototypes are not varargs", IF);
-
+
SmallVector<Intrinsic::IITDescriptor, 8> Table;
getIntrinsicInfoTableEntries(ID, Table);
ArrayRef<Intrinsic::IITDescriptor> TableRef = Table;
// the name.
Assert1(Intrinsic::getName(ID, ArgTys) == IF->getName(),
"Intrinsic name not mangled correctly for type arguments!", 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)
MDNode *MD = cast<MDNode>(CI.getArgOperand(0));
Assert1(MD->getNumOperands() == 1,
"invalid llvm.dbg.declare intrinsic call 2", &CI);
+ if (!DisableDebugInfoVerifier)
+ Finder.processDeclare(cast<DbgDeclareInst>(&CI));
} break;
+ case Intrinsic::dbg_value: { //llvm.dbg.value
+ if (!DisableDebugInfoVerifier) {
+ Assert1(CI.getArgOperand(0) && isa<MDNode>(CI.getArgOperand(0)),
+ "invalid llvm.dbg.value intrinsic call 1", &CI);
+ Finder.processValue(cast<DbgValueInst>(&CI));
+ }
+ break;
+ }
case Intrinsic::memcpy:
case Intrinsic::memmove:
case Intrinsic::memset:
}
}
+void Verifier::verifyDebugInfo(Module &M) {
+ // Verify Debug Info.
+ if (!DisableDebugInfoVerifier) {
+ Finder.processModule(M);
+
+ for (DebugInfoFinder::iterator I = Finder.compile_unit_begin(),
+ E = Finder.compile_unit_end(); I != E; ++I)
+ Assert1(DICompileUnit(*I).Verify(), "DICompileUnit does not Verify!", *I);
+ for (DebugInfoFinder::iterator I = Finder.subprogram_begin(),
+ E = Finder.subprogram_end(); I != E; ++I)
+ Assert1(DISubprogram(*I).Verify(), "DISubprogram does not Verify!", *I);
+ for (DebugInfoFinder::iterator I = Finder.global_variable_begin(),
+ E = Finder.global_variable_end(); I != E; ++I)
+ Assert1(DIGlobalVariable(*I).Verify(),
+ "DIGlobalVariable does not Verify!", *I);
+ for (DebugInfoFinder::iterator I = Finder.type_begin(),
+ E = Finder.type_end(); I != E; ++I)
+ Assert1(DIType(*I).Verify(), "DIType does not Verify!", *I);
+ for (DebugInfoFinder::iterator I = Finder.scope_begin(),
+ E = Finder.scope_end(); I != E; ++I)
+ Assert1(DIScope(*I).Verify(), "DIScope does not Verify!", *I);
+ }
+}
+
//===----------------------------------------------------------------------===//
// Implement the public interfaces to this file...
//===----------------------------------------------------------------------===//
projects / oota-llvm.git / blobdiff