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-rw-r--r--lib/IR/Verifier.cpp308
1 files changed, 239 insertions, 69 deletions
diff --git a/lib/IR/Verifier.cpp b/lib/IR/Verifier.cpp
index f8774bc..0eda97f 100644
--- a/lib/IR/Verifier.cpp
+++ b/lib/IR/Verifier.cpp
@@ -53,8 +53,10 @@
#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/DataLayout.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/InlineAsm.h"
#include "llvm/IR/IntrinsicInst.h"
@@ -66,6 +68,7 @@
#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"
@@ -74,6 +77,9 @@
#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
@@ -93,7 +99,7 @@ namespace { // Anonymous namespace for class
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";
@@ -110,7 +116,7 @@ namespace { // Anonymous namespace for class
}
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;
@@ -123,6 +129,7 @@ namespace {
Module *Mod; // Module we are verifying right now
LLVMContext *Context; // Context within which we are verifying
DominatorTree *DT; // Dominator Tree, caution can be null!
+ const DataLayout *DL;
std::string Messages;
raw_string_ostream MessagesStr;
@@ -142,21 +149,27 @@ namespace {
/// 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),
+ action(AbortProcessAction), Mod(0), Context(0), DT(0), DL(0),
MessagesStr(Messages), PersonalityFn(0) {
initializeVerifierPass(*PassRegistry::getPassRegistry());
}
explicit Verifier(VerifierFailureAction ctn)
: FunctionPass(ID), Broken(false), action(ctn), Mod(0),
- Context(0), DT(0), MessagesStr(Messages), PersonalityFn(0) {
+ Context(0), DT(0), DL(0), MessagesStr(Messages), PersonalityFn(0) {
initializeVerifierPass(*PassRegistry::getPassRegistry());
}
bool doInitialization(Module &M) {
Mod = &M;
Context = &M.getContext();
+ Finder.reset();
+
+ DL = getAnalysisIfAvailable<DataLayout>();
// 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.
@@ -188,11 +201,11 @@ namespace {
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);
@@ -202,6 +215,9 @@ namespace {
visitModuleFlags(M);
+ // Verify Debug Info.
+ verifyDebugInfo(M);
+
// If the module is broken, abort at this time.
return abortIfBroken();
}
@@ -309,6 +325,11 @@ namespace {
void VerifyFunctionAttrs(FunctionType *FT, AttributeSet Attrs,
const Value *V);
+ void VerifyBitcastType(const Value *V, Type *DestTy, Type *SrcTy);
+ void VerifyConstantExprBitcastType(const ConstantExpr *CE);
+
+ void verifyDebugInfo(Module &M);
+
void WriteValue(const Value *V) {
if (!V) return;
if (isa<Instruction>(V)) {
@@ -450,7 +471,7 @@ void Verifier::visitGlobalVariable(GlobalVariable &GV) {
}
if (GV.hasName() && (GV.getName() == "llvm.used" ||
- GV.getName() == "llvm.compiler_used")) {
+ GV.getName() == "llvm.compiler.used")) {
Assert1(!GV.hasInitializer() || GV.hasAppendingLinkage(),
"invalid linkage for intrinsic global variable", &GV);
Type *GVType = GV.getType()->getElementType();
@@ -473,6 +494,33 @@ void Verifier::visitGlobalVariable(GlobalVariable &GV) {
}
}
+ if (!GV.hasInitializer()) {
+ visitGlobalValue(GV);
+ return;
+ }
+
+ // Walk any aggregate initializers looking for bitcasts between address spaces
+ SmallPtrSet<const Value *, 4> Visited;
+ SmallVector<const Value *, 4> WorkStack;
+ WorkStack.push_back(cast<Value>(GV.getInitializer()));
+
+ while (!WorkStack.empty()) {
+ const Value *V = WorkStack.pop_back_val();
+ if (!Visited.insert(V))
+ continue;
+
+ if (const User *U = dyn_cast<User>(V)) {
+ for (unsigned I = 0, N = U->getNumOperands(); I != N; ++I)
+ WorkStack.push_back(U->getOperand(I));
+ }
+
+ if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(V)) {
+ VerifyConstantExprBitcastType(CE);
+ if (Broken)
+ return;
+ }
+ }
+
visitGlobalValue(GV);
}
@@ -488,18 +536,29 @@ void Verifier::visitGlobalAlias(GlobalAlias &GA) {
"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);
@@ -654,7 +713,7 @@ void Verifier::visitModuleFlag(MDNode *Op, DenseMap<MDString*, MDNode*>&SeenIDs,
}
void Verifier::VerifyAttributeTypes(AttributeSet Attrs, unsigned Idx,
- bool isFunction, const Value* V) {
+ bool isFunction, const Value *V) {
unsigned Slot = ~0U;
for (unsigned I = 0, E = Attrs.getNumSlots(); I != E; ++I)
if (Attrs.getSlotIndex(I) == Idx) {
@@ -671,8 +730,6 @@ void Verifier::VerifyAttributeTypes(AttributeSet Attrs, unsigned Idx,
if (I->getKindAsEnum() == Attribute::NoReturn ||
I->getKindAsEnum() == Attribute::NoUnwind ||
- I->getKindAsEnum() == Attribute::ReadNone ||
- I->getKindAsEnum() == Attribute::ReadOnly ||
I->getKindAsEnum() == Attribute::NoInline ||
I->getKindAsEnum() == Attribute::AlwaysInline ||
I->getKindAsEnum() == Attribute::OptimizeForSize ||
@@ -692,16 +749,25 @@ void Verifier::VerifyAttributeTypes(AttributeSet Attrs, unsigned Idx,
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->getKindAsString() +
- "' only applies to functions!", V);
- return;
- } else if (isFunction) {
- CheckFailed("Attribute '" + I->getKindAsString() +
- "' does not apply to functions!", V);
+ 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;
}
}
}
@@ -833,6 +899,52 @@ void Verifier::VerifyFunctionAttrs(FunctionType *FT, AttributeSet Attrs,
"Attributes 'noinline and alwaysinline' are incompatible!", V);
}
+void Verifier::VerifyBitcastType(const Value *V, Type *DestTy, Type *SrcTy) {
+ // Get the size of the types in bits, we'll need this later
+ unsigned SrcBitSize = SrcTy->getPrimitiveSizeInBits();
+ unsigned DestBitSize = DestTy->getPrimitiveSizeInBits();
+
+ // BitCast implies a no-op cast of type only. No bits change.
+ // However, you can't cast pointers to anything but pointers.
+ Assert1(SrcTy->isPointerTy() == DestTy->isPointerTy(),
+ "Bitcast requires both operands to be pointer or neither", V);
+ Assert1(SrcBitSize == DestBitSize,
+ "Bitcast requires types of same width", V);
+
+ // Disallow aggregates.
+ Assert1(!SrcTy->isAggregateType(),
+ "Bitcast operand must not be aggregate", V);
+ Assert1(!DestTy->isAggregateType(),
+ "Bitcast type must not be aggregate", V);
+
+ // Without datalayout, assume all address spaces are the same size.
+ // Don't check if both types are not pointers.
+ // Skip casts between scalars and vectors.
+ if (!DL ||
+ !SrcTy->isPtrOrPtrVectorTy() ||
+ !DestTy->isPtrOrPtrVectorTy() ||
+ SrcTy->isVectorTy() != DestTy->isVectorTy()) {
+ return;
+ }
+
+ unsigned SrcAS = SrcTy->getPointerAddressSpace();
+ unsigned DstAS = DestTy->getPointerAddressSpace();
+
+ unsigned SrcASSize = DL->getPointerSizeInBits(SrcAS);
+ unsigned DstASSize = DL->getPointerSizeInBits(DstAS);
+ Assert1(SrcASSize == DstASSize,
+ "Bitcasts between pointers of different address spaces must have "
+ "the same size pointers, otherwise use PtrToInt/IntToPtr.", V);
+}
+
+void Verifier::VerifyConstantExprBitcastType(const ConstantExpr *CE) {
+ if (CE->getOpcode() == Instruction::BitCast) {
+ Type *SrcTy = CE->getOperand(0)->getType();
+ Type *DstTy = CE->getType();
+ VerifyBitcastType(CE, DstTy, SrcTy);
+ }
+}
+
bool Verifier::VerifyAttributeCount(AttributeSet Attrs, unsigned Params) {
if (Attrs.getNumSlots() == 0)
return true;
@@ -843,7 +955,7 @@ bool Verifier::VerifyAttributeCount(AttributeSet Attrs, unsigned Params) {
|| (LastIndex == AttributeSet::FunctionIndex
&& (LastSlot == 0 || Attrs.getSlotIndex(LastSlot - 1) <= Params)))
return true;
-
+
return false;
}
@@ -862,7 +974,7 @@ void Verifier::visitFunction(Function &F) {
"# 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);
@@ -877,6 +989,13 @@ void Verifier::visitFunction(Function &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:
@@ -922,25 +1041,25 @@ void Verifier::visitFunction(Function &F) {
// 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);
}
}
@@ -1015,7 +1134,7 @@ void Verifier::visitBranchInst(BranchInst &BI) {
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());
@@ -1048,14 +1167,14 @@ void Verifier::visitSwitchInst(SwitchInst &SI) {
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);
}
@@ -1310,26 +1429,9 @@ void Verifier::visitIntToPtrInst(IntToPtrInst &I) {
}
void Verifier::visitBitCastInst(BitCastInst &I) {
- // Get the source and destination types
Type *SrcTy = I.getOperand(0)->getType();
Type *DestTy = I.getType();
-
- // Get the size of the types in bits, we'll need this later
- unsigned SrcBitSize = SrcTy->getPrimitiveSizeInBits();
- unsigned DestBitSize = DestTy->getPrimitiveSizeInBits();
-
- // BitCast implies a no-op cast of type only. No bits change.
- // However, you can't cast pointers to anything but pointers.
- Assert1(SrcTy->isPointerTy() == DestTy->isPointerTy(),
- "Bitcast requires both operands to be pointer or neither", &I);
- Assert1(SrcBitSize == DestBitSize, "Bitcast requires types of same width",&I);
-
- // Disallow aggregates.
- Assert1(!SrcTy->isAggregateType(),
- "Bitcast operand must not be aggregate", &I);
- Assert1(!DestTy->isAggregateType(),
- "Bitcast type must not be aggregate", &I);
-
+ VerifyBitcastType(&I, DestTy, SrcTy);
visitInstruction(I);
}
@@ -1340,7 +1442,7 @@ void Verifier::visitPHINode(PHINode &PN) {
// 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());
@@ -1404,9 +1506,9 @@ void Verifier::VerifyCallSite(CallSite CS) {
// Check attributes on the varargs part.
for (unsigned Idx = 1 + FTy->getNumParams(); Idx <= CS.arg_size(); ++Idx) {
- Type *Ty = CS.getArgument(Idx-1)->getType();
+ 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;
@@ -1435,6 +1537,14 @@ void Verifier::VerifyCallSite(CallSite CS) {
"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);
}
@@ -1719,7 +1829,7 @@ void Verifier::visitStoreInst(StoreInst &SI) {
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",
@@ -1791,7 +1901,7 @@ void Verifier::visitExtractValueInst(ExtractValueInst &EVI) {
EVI.getIndices()) ==
EVI.getType(),
"Invalid ExtractValueInst operands!", &EVI);
-
+
visitInstruction(EVI);
}
@@ -1800,7 +1910,7 @@ void Verifier::visitInsertValueInst(InsertValueInst &IVI) {
IVI.getIndices()) ==
IVI.getOperand(1)->getType(),
"Invalid InsertValueInst operands!", &IVI);
-
+
visitInstruction(IVI);
}
@@ -1887,7 +1997,7 @@ void Verifier::visitInstruction(Instruction &I) {
// 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);
@@ -1945,6 +2055,27 @@ void Verifier::visitInstruction(Instruction &I) {
Assert1((i + 1 == e && isa<CallInst>(I)) ||
(i + 3 == e && isa<InvokeInst>(I)),
"Cannot take the address of an inline asm!", &I);
+ } else if (ConstantExpr *CE = dyn_cast<ConstantExpr>(I.getOperand(i))) {
+ if (CE->getType()->isPtrOrPtrVectorTy()) {
+ // If we have a ConstantExpr pointer, we need to see if it came from an
+ // illegal bitcast (inttoptr <constant int> )
+ SmallVector<const ConstantExpr *, 4> Stack;
+ SmallPtrSet<const ConstantExpr *, 4> Visited;
+ Stack.push_back(CE);
+
+ while (!Stack.empty()) {
+ const ConstantExpr *V = Stack.pop_back_val();
+ if (!Visited.insert(V))
+ continue;
+
+ VerifyConstantExprBitcastType(V);
+
+ for (unsigned I = 0, N = V->getNumOperands(); I != N; ++I) {
+ if (ConstantExpr *Op = dyn_cast<ConstantExpr>(V->getOperand(I)))
+ Stack.push_back(Op);
+ }
+ }
+ }
}
}
@@ -1955,7 +2086,7 @@ void Verifier::visitInstruction(Instruction &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);
@@ -1965,6 +2096,11 @@ void Verifier::visitInstruction(Instruction &I) {
MDNode *MD = I.getMetadata(LLVMContext::MD_range);
Assert1(!MD || isa<LoadInst>(I), "Ranges are only for loads!", &I);
+ if (!DisableDebugInfoVerifier) {
+ MD = I.getMetadata(LLVMContext::MD_dbg);
+ Finder.processLocation(DILocation(MD));
+ }
+
InstsInThisBlock.insert(&I);
}
@@ -1979,10 +2115,10 @@ bool Verifier::VerifyIntrinsicType(Type *Ty,
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();
@@ -2001,29 +2137,29 @@ bool Verifier::VerifyIntrinsicType(Type *Ty,
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();
@@ -2031,7 +2167,7 @@ bool Verifier::VerifyIntrinsicType(Type *Ty,
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() ||
@@ -2060,7 +2196,7 @@ void Verifier::visitIntrinsicFunctionCall(Intrinsic::ID ID, CallInst &CI) {
// 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;
@@ -2079,7 +2215,7 @@ void Verifier::visitIntrinsicFunctionCall(Intrinsic::ID ID, CallInst &CI) {
// 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)
@@ -2101,7 +2237,17 @@ void Verifier::visitIntrinsicFunctionCall(Intrinsic::ID ID, CallInst &CI) {
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:
@@ -2163,6 +2309,30 @@ void Verifier::visitIntrinsicFunctionCall(Intrinsic::ID ID, CallInst &CI) {
}
}
+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...
//===----------------------------------------------------------------------===//
generated by cgit v1.1 at 2025-07-03 08:58:36 +0000