// Out of line virtual method, so the vtable, etc has a home.
Instruction::~Instruction() {
assert(Parent == 0 && "Instruction still linked in the program!");
- if (hasMetadata())
- removeAllMetadata();
+ if (hasMetadataHashEntry())
+ clearMetadataHashEntries();
}
if (const CallInst *CI = dyn_cast<CallInst>(this))
return CI->isTailCall() == cast<CallInst>(I)->isTailCall() &&
CI->getCallingConv() == cast<CallInst>(I)->getCallingConv() &&
- CI->getAttributes().getRawPointer() ==
- cast<CallInst>(I)->getAttributes().getRawPointer();
+ CI->getAttributes() == cast<CallInst>(I)->getAttributes();
if (const InvokeInst *CI = dyn_cast<InvokeInst>(this))
return CI->getCallingConv() == cast<InvokeInst>(I)->getCallingConv() &&
- CI->getAttributes().getRawPointer() ==
- cast<InvokeInst>(I)->getAttributes().getRawPointer();
+ CI->getAttributes() == cast<InvokeInst>(I)->getAttributes();
if (const InsertValueInst *IVI = dyn_cast<InsertValueInst>(this)) {
if (IVI->getNumIndices() != cast<InsertValueInst>(I)->getNumIndices())
return false;
if (const CallInst *CI = dyn_cast<CallInst>(this))
return CI->isTailCall() == cast<CallInst>(I)->isTailCall() &&
CI->getCallingConv() == cast<CallInst>(I)->getCallingConv() &&
- CI->getAttributes().getRawPointer() ==
- cast<CallInst>(I)->getAttributes().getRawPointer();
+ CI->getAttributes() == cast<CallInst>(I)->getAttributes();
if (const InvokeInst *CI = dyn_cast<InvokeInst>(this))
return CI->getCallingConv() == cast<InvokeInst>(I)->getCallingConv() &&
- CI->getAttributes().getRawPointer() ==
- cast<InvokeInst>(I)->getAttributes().getRawPointer();
+ CI->getAttributes() ==
+ cast<InvokeInst>(I)->getAttributes();
if (const InsertValueInst *IVI = dyn_cast<InsertValueInst>(this)) {
if (IVI->getNumIndices() != cast<InsertValueInst>(I)->getNumIndices())
return false;
/// specified block. Note that PHI nodes are considered to evaluate their
/// operands in the corresponding predecessor block.
bool Instruction::isUsedOutsideOfBlock(const BasicBlock *BB) const {
- for (use_const_iterator UI = use_begin(), E = use_end(); UI != E; ++UI) {
+ for (const_use_iterator UI = use_begin(), E = use_end(); UI != E; ++UI) {
// PHI nodes uses values in the corresponding predecessor block. For other
// instructions, just check to see whether the parent of the use matches up.
- const PHINode *PN = dyn_cast<PHINode>(*UI);
+ const User *U = *UI;
+ const PHINode *PN = dyn_cast<PHINode>(U);
if (PN == 0) {
- if (cast<Instruction>(*UI)->getParent() != BB)
+ if (cast<Instruction>(U)->getParent() != BB)
return true;
continue;
}
///
/// In LLVM, the Add, Mul, And, Or, and Xor operators are associative.
///
-bool Instruction::isAssociative(unsigned Opcode, const Type *Ty) {
+bool Instruction::isAssociative(unsigned Opcode) {
return Opcode == And || Opcode == Or || Opcode == Xor ||
Opcode == Add || Opcode == Mul;
}
}
}
-// Code here matches isMalloc from MemoryBuiltins, which is not in VMCore.
-static bool isMalloc(const Value* I) {
- const CallInst *CI = dyn_cast<CallInst>(I);
- if (!CI) {
- const BitCastInst *BCI = dyn_cast<BitCastInst>(I);
- if (!BCI) return false;
-
- CI = dyn_cast<CallInst>(BCI->getOperand(0));
- }
-
- if (!CI)
- return false;
- Function *Callee = CI->getCalledFunction();
- if (Callee == 0 || !Callee->isDeclaration() || Callee->getName() != "malloc")
- return false;
-
- // Check malloc prototype.
- // FIXME: workaround for PR5130, this will be obsolete when a nobuiltin
- // attribute will exist.
- const FunctionType *FTy = Callee->getFunctionType();
- if (FTy->getNumParams() != 1)
- return false;
- if (IntegerType *ITy = dyn_cast<IntegerType>(FTy->param_begin()->get())) {
- if (ITy->getBitWidth() != 32 && ITy->getBitWidth() != 64)
- return false;
- return true;
- }
-
- return false;
-}
-
bool Instruction::isSafeToSpeculativelyExecute() const {
for (unsigned i = 0, e = getNumOperands(); i != e; ++i)
if (Constant *C = dyn_cast<Constant>(getOperand(i)))
return Op && !Op->isNullValue() && !Op->isAllOnesValue();
}
case Load: {
- if (cast<LoadInst>(this)->isVolatile())
+ const LoadInst *LI = cast<LoadInst>(this);
+ if (LI->isVolatile())
return false;
- if (isa<AllocaInst>(getOperand(0)) || isMalloc(getOperand(0)))
- return true;
- if (GlobalVariable *GV = dyn_cast<GlobalVariable>(getOperand(0)))
- return !GV->hasExternalWeakLinkage();
- // FIXME: Handle cases involving GEPs. We have to be careful because
- // a load of a out-of-bounds GEP has undefined behavior.
- return false;
+ return LI->getPointerOperand()->isDereferenceablePointer();
}
case Call:
return false; // The called function could have undefined behavior or
case Store:
case Ret:
case Br:
+ case IndirectBr:
case Switch:
case Unwind:
case Unreachable: