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-rw-r--r--lib/VMCore/Verifier.cpp148
1 files changed, 12 insertions, 136 deletions
diff --git a/lib/VMCore/Verifier.cpp b/lib/VMCore/Verifier.cpp
index 139e035..b146b89 100644
--- a/lib/VMCore/Verifier.cpp
+++ b/lib/VMCore/Verifier.cpp
@@ -49,7 +49,6 @@
#include "llvm/Module.h"
#include "llvm/Pass.h"
#include "llvm/PassManager.h"
-#include "llvm/TypeSymbolTable.h"
#include "llvm/Analysis/Dominators.h"
#include "llvm/Assembly/Writer.h"
#include "llvm/CodeGen/ValueTypes.h"
@@ -109,54 +108,6 @@ INITIALIZE_PASS(PreVerifier, "preverify", "Preliminary module verification",
static char &PreVerifyID = PreVerifier::ID;
namespace {
- class TypeSet : public AbstractTypeUser {
- public:
- TypeSet() {}
-
- /// Insert a type into the set of types.
- bool insert(const Type *Ty) {
- if (!Types.insert(Ty))
- return false;
- if (Ty->isAbstract())
- Ty->addAbstractTypeUser(this);
- return true;
- }
-
- // Remove ourselves as abstract type listeners for any types that remain
- // abstract when the TypeSet is destroyed.
- ~TypeSet() {
- for (SmallSetVector<const Type *, 16>::iterator I = Types.begin(),
- E = Types.end(); I != E; ++I) {
- const Type *Ty = *I;
- if (Ty->isAbstract())
- Ty->removeAbstractTypeUser(this);
- }
- }
-
- // Abstract type user interface.
-
- /// Remove types from the set when refined. Do not insert the type it was
- /// refined to because that type hasn't been verified yet.
- void refineAbstractType(const DerivedType *OldTy, const Type *NewTy) {
- Types.remove(OldTy);
- OldTy->removeAbstractTypeUser(this);
- }
-
- /// Stop listening for changes to a type which is no longer abstract.
- void typeBecameConcrete(const DerivedType *AbsTy) {
- AbsTy->removeAbstractTypeUser(this);
- }
-
- void dump() const {}
-
- private:
- SmallSetVector<const Type *, 16> Types;
-
- // Disallow copying.
- TypeSet(const TypeSet &);
- TypeSet &operator=(const TypeSet &);
- };
-
struct Verifier : public FunctionPass, public InstVisitor<Verifier> {
static char ID; // Pass ID, replacement for typeid
bool Broken; // Is this module found to be broken?
@@ -176,9 +127,6 @@ namespace {
/// an instruction in the same block.
SmallPtrSet<Instruction*, 16> InstsInThisBlock;
- /// Types - keep track of the types that have been checked already.
- TypeSet Types;
-
/// MDNodes - keep track of the metadata nodes that have been checked
/// already.
SmallPtrSet<MDNode *, 32> MDNodes;
@@ -199,7 +147,6 @@ namespace {
bool doInitialization(Module &M) {
Mod = &M;
Context = &M.getContext();
- verifyTypeSymbolTable(M.getTypeSymbolTable());
// If this is a real pass, in a pass manager, we must abort before
// returning back to the pass manager, or else the pass manager may try to
@@ -285,7 +232,6 @@ namespace {
// Verification methods...
- void verifyTypeSymbolTable(TypeSymbolTable &ST);
void visitGlobalValue(GlobalValue &GV);
void visitGlobalVariable(GlobalVariable &GV);
void visitGlobalAlias(GlobalAlias &GA);
@@ -345,7 +291,6 @@ namespace {
bool isReturnValue, const Value *V);
void VerifyFunctionAttrs(const FunctionType *FT, const AttrListPtr &Attrs,
const Value *V);
- void VerifyType(const Type *Ty);
void WriteValue(const Value *V) {
if (!V) return;
@@ -359,8 +304,7 @@ namespace {
void WriteType(const Type *T) {
if (!T) return;
- MessagesStr << ' ';
- WriteTypeSymbolic(MessagesStr, T, Mod);
+ MessagesStr << ' ' << *T;
}
@@ -568,11 +512,6 @@ void Verifier::visitMDNode(MDNode &MD, Function *F) {
}
}
-void Verifier::verifyTypeSymbolTable(TypeSymbolTable &ST) {
- for (TypeSymbolTable::iterator I = ST.begin(), E = ST.end(); I != E; ++I)
- VerifyType(I->second);
-}
-
// 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(Attributes Attrs, const Type *Ty,
@@ -1139,9 +1078,6 @@ void Verifier::visitPHINode(PHINode &PN) {
for (unsigned i = 0, e = PN.getNumIncomingValues(); i != e; ++i) {
Assert1(PN.getType() == PN.getIncomingValue(i)->getType(),
"PHI node operands are not the same type as the result!", &PN);
- Assert1(isa<BasicBlock>(PN.getOperand(
- PHINode::getOperandNumForIncomingBlock(i))),
- "PHI node incoming block is not a BasicBlock!", &PN);
}
// All other PHI node constraints are checked in the visitBasicBlock method.
@@ -1195,11 +1131,11 @@ void Verifier::VerifyCallSite(CallSite CS) {
}
// Verify that there's no metadata unless it's a direct call to an intrinsic.
- if (!CS.getCalledFunction() ||
+ if (CS.getCalledFunction() == 0 ||
!CS.getCalledFunction()->getName().startswith("llvm.")) {
for (FunctionType::param_iterator PI = FTy->param_begin(),
PE = FTy->param_end(); PI != PE; ++PI)
- Assert1(!PI->get()->isMetadataTy(),
+ Assert1(!(*PI)->isMetadataTy(),
"Function has metadata parameter but isn't an intrinsic", I);
}
@@ -1382,7 +1318,7 @@ void Verifier::visitAllocaInst(AllocaInst &AI) {
void Verifier::visitExtractValueInst(ExtractValueInst &EVI) {
Assert1(ExtractValueInst::getIndexedType(EVI.getAggregateOperand()->getType(),
- EVI.idx_begin(), EVI.idx_end()) ==
+ EVI.getIndices()) ==
EVI.getType(),
"Invalid ExtractValueInst operands!", &EVI);
@@ -1391,7 +1327,7 @@ void Verifier::visitExtractValueInst(ExtractValueInst &EVI) {
void Verifier::visitInsertValueInst(InsertValueInst &IVI) {
Assert1(ExtractValueInst::getIndexedType(IVI.getAggregateOperand()->getType(),
- IVI.idx_begin(), IVI.idx_end()) ==
+ IVI.getIndices()) ==
IVI.getOperand(1)->getType(),
"Invalid InsertValueInst operands!", &IVI);
@@ -1482,8 +1418,10 @@ void Verifier::visitInstruction(Instruction &I) {
// PHI nodes differ from other nodes because they actually "use" the
// value in the predecessor basic blocks they correspond to.
BasicBlock *UseBlock = BB;
- if (isa<PHINode>(I))
- UseBlock = dyn_cast<BasicBlock>(I.getOperand(i+1));
+ if (PHINode *PN = dyn_cast<PHINode>(&I)) {
+ unsigned j = PHINode::getIncomingValueNumForOperand(i);
+ UseBlock = PN->getIncomingBlock(j);
+ }
Assert2(UseBlock, "Invoke operand is PHI node with bad incoming-BB",
Op, &I);
@@ -1515,10 +1453,11 @@ void Verifier::visitInstruction(Instruction &I) {
return;
}
}
- } else if (isa<PHINode>(I)) {
+ } else if (PHINode *PN = dyn_cast<PHINode>(&I)) {
// PHI nodes are more difficult than other nodes because they actually
// "use" the value in the predecessor basic blocks they correspond to.
- BasicBlock *PredBB = dyn_cast<BasicBlock>(I.getOperand(i+1));
+ unsigned j = PHINode::getIncomingValueNumForOperand(i);
+ BasicBlock *PredBB = PN->getIncomingBlock(j);
Assert2(PredBB && (DT->dominates(OpBlock, PredBB) ||
!DT->isReachableFromEntry(PredBB)),
"Instruction does not dominate all uses!", Op, &I);
@@ -1542,69 +1481,6 @@ void Verifier::visitInstruction(Instruction &I) {
}
}
InstsInThisBlock.insert(&I);
-
- VerifyType(I.getType());
-}
-
-/// VerifyType - Verify that a type is well formed.
-///
-void Verifier::VerifyType(const Type *Ty) {
- if (!Types.insert(Ty)) return;
-
- Assert1(Context == &Ty->getContext(),
- "Type context does not match Module context!", Ty);
-
- switch (Ty->getTypeID()) {
- case Type::FunctionTyID: {
- const FunctionType *FTy = cast<FunctionType>(Ty);
-
- const Type *RetTy = FTy->getReturnType();
- Assert2(FunctionType::isValidReturnType(RetTy),
- "Function type with invalid return type", RetTy, FTy);
- VerifyType(RetTy);
-
- for (unsigned i = 0, e = FTy->getNumParams(); i != e; ++i) {
- const Type *ElTy = FTy->getParamType(i);
- Assert2(FunctionType::isValidArgumentType(ElTy),
- "Function type with invalid parameter type", ElTy, FTy);
- VerifyType(ElTy);
- }
- break;
- }
- case Type::StructTyID: {
- const StructType *STy = cast<StructType>(Ty);
- for (unsigned i = 0, e = STy->getNumElements(); i != e; ++i) {
- const Type *ElTy = STy->getElementType(i);
- Assert2(StructType::isValidElementType(ElTy),
- "Structure type with invalid element type", ElTy, STy);
- VerifyType(ElTy);
- }
- break;
- }
- case Type::ArrayTyID: {
- const ArrayType *ATy = cast<ArrayType>(Ty);
- Assert1(ArrayType::isValidElementType(ATy->getElementType()),
- "Array type with invalid element type", ATy);
- VerifyType(ATy->getElementType());
- break;
- }
- case Type::PointerTyID: {
- const PointerType *PTy = cast<PointerType>(Ty);
- Assert1(PointerType::isValidElementType(PTy->getElementType()),
- "Pointer type with invalid element type", PTy);
- VerifyType(PTy->getElementType());
- break;
- }
- case Type::VectorTyID: {
- const VectorType *VTy = cast<VectorType>(Ty);
- Assert1(VectorType::isValidElementType(VTy->getElementType()),
- "Vector type with invalid element type", VTy);
- VerifyType(VTy->getElementType());
- break;
- }
- default:
- break;
- }
}
// Flags used by TableGen to mark intrinsic parameters with the
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