summaryrefslogtreecommitdiff
path: root/lib/IR
diff options
context:
space:
mode:
Diffstat (limited to 'lib/IR')
-rw-r--r--lib/IR/Attributes.cpp8
-rw-r--r--lib/IR/AutoUpgrade.cpp17
-rw-r--r--lib/IR/BasicBlock.cpp51
-rw-r--r--lib/IR/Core.cpp8
-rw-r--r--lib/IR/DIBuilder.cpp58
-rw-r--r--lib/IR/Dominators.cpp20
-rw-r--r--lib/IR/Value.cpp2
-rw-r--r--lib/IR/Verifier.cpp58
8 files changed, 118 insertions, 104 deletions
diff --git a/lib/IR/Attributes.cpp b/lib/IR/Attributes.cpp
index c3032f4ffc79..546a98670a29 100644
--- a/lib/IR/Attributes.cpp
+++ b/lib/IR/Attributes.cpp
@@ -190,6 +190,8 @@ std::string Attribute::getAsString(bool InAttrGrp) const {
return "sanitize_address";
if (hasAttribute(Attribute::AlwaysInline))
return "alwaysinline";
+ if (hasAttribute(Attribute::ArgMemOnly))
+ return "argmemonly";
if (hasAttribute(Attribute::Builtin))
return "builtin";
if (hasAttribute(Attribute::ByVal))
@@ -447,6 +449,9 @@ uint64_t AttributeImpl::getAttrMask(Attribute::AttrKind Val) {
llvm_unreachable("dereferenceable_or_null attribute not supported in raw "
"format");
break;
+ case Attribute::ArgMemOnly:
+ llvm_unreachable("argmemonly attribute not supported in raw format");
+ break;
}
llvm_unreachable("Unsupported attribute type");
}
@@ -1356,7 +1361,8 @@ AttrBuilder &AttrBuilder::addRawValue(uint64_t Val) {
for (Attribute::AttrKind I = Attribute::None; I != Attribute::EndAttrKinds;
I = Attribute::AttrKind(I + 1)) {
if (I == Attribute::Dereferenceable ||
- I == Attribute::DereferenceableOrNull)
+ I == Attribute::DereferenceableOrNull ||
+ I == Attribute::ArgMemOnly)
continue;
if (uint64_t A = (Val & AttributeImpl::getAttrMask(I))) {
Attrs[I] = true;
diff --git a/lib/IR/AutoUpgrade.cpp b/lib/IR/AutoUpgrade.cpp
index 70a55186ea9a..f1c6ebd4846e 100644
--- a/lib/IR/AutoUpgrade.cpp
+++ b/lib/IR/AutoUpgrade.cpp
@@ -229,6 +229,7 @@ static bool UpgradeIntrinsicFunction1(Function *F, Function *&NewFn) {
bool llvm::UpgradeIntrinsicFunction(Function *F, Function *&NewFn) {
NewFn = nullptr;
bool Upgraded = UpgradeIntrinsicFunction1(F, NewFn);
+ assert(F != NewFn && "Intrinsic function upgraded to the same function");
// Upgrade intrinsic attributes. This does not change the function.
if (NewFn)
@@ -710,16 +711,14 @@ void llvm::UpgradeCallsToIntrinsic(Function* F) {
// Upgrade the function and check if it is a totaly new function.
Function *NewFn;
if (UpgradeIntrinsicFunction(F, NewFn)) {
- if (NewFn != F) {
- // Replace all uses to the old function with the new one if necessary.
- for (Value::user_iterator UI = F->user_begin(), UE = F->user_end();
- UI != UE; ) {
- if (CallInst *CI = dyn_cast<CallInst>(*UI++))
- UpgradeIntrinsicCall(CI, NewFn);
- }
- // Remove old function, no longer used, from the module.
- F->eraseFromParent();
+ // Replace all uses to the old function with the new one if necessary.
+ for (Value::user_iterator UI = F->user_begin(), UE = F->user_end();
+ UI != UE;) {
+ if (CallInst *CI = dyn_cast<CallInst>(*UI++))
+ UpgradeIntrinsicCall(CI, NewFn);
}
+ // Remove old function, no longer used, from the module.
+ F->eraseFromParent();
}
}
diff --git a/lib/IR/BasicBlock.cpp b/lib/IR/BasicBlock.cpp
index 77cb10d5b6ba..0a0449434a7b 100644
--- a/lib/IR/BasicBlock.cpp
+++ b/lib/IR/BasicBlock.cpp
@@ -163,47 +163,40 @@ CallInst *BasicBlock::getTerminatingMustTailCall() {
}
Instruction* BasicBlock::getFirstNonPHI() {
- BasicBlock::iterator i = begin();
- // All valid basic blocks should have a terminator,
- // which is not a PHINode. If we have an invalid basic
- // block we'll get an assertion failure when dereferencing
- // a past-the-end iterator.
- while (isa<PHINode>(i)) ++i;
- return &*i;
+ for (Instruction &I : *this)
+ if (!isa<PHINode>(I))
+ return &I;
+ return nullptr;
}
Instruction* BasicBlock::getFirstNonPHIOrDbg() {
- BasicBlock::iterator i = begin();
- // All valid basic blocks should have a terminator,
- // which is not a PHINode. If we have an invalid basic
- // block we'll get an assertion failure when dereferencing
- // a past-the-end iterator.
- while (isa<PHINode>(i) || isa<DbgInfoIntrinsic>(i)) ++i;
- return &*i;
+ for (Instruction &I : *this)
+ if (!isa<PHINode>(I) && !isa<DbgInfoIntrinsic>(I))
+ return &I;
+ return nullptr;
}
Instruction* BasicBlock::getFirstNonPHIOrDbgOrLifetime() {
- // All valid basic blocks should have a terminator,
- // which is not a PHINode. If we have an invalid basic
- // block we'll get an assertion failure when dereferencing
- // a past-the-end iterator.
- BasicBlock::iterator i = begin();
- for (;; ++i) {
- if (isa<PHINode>(i) || isa<DbgInfoIntrinsic>(i))
+ for (Instruction &I : *this) {
+ if (isa<PHINode>(I) || isa<DbgInfoIntrinsic>(I))
continue;
- const IntrinsicInst *II = dyn_cast<IntrinsicInst>(i);
- if (!II)
- break;
- if (II->getIntrinsicID() != Intrinsic::lifetime_start &&
- II->getIntrinsicID() != Intrinsic::lifetime_end)
- break;
+ if (auto *II = dyn_cast<IntrinsicInst>(&I))
+ if (II->getIntrinsicID() == Intrinsic::lifetime_start ||
+ II->getIntrinsicID() == Intrinsic::lifetime_end)
+ continue;
+
+ return &I;
}
- return &*i;
+ return nullptr;
}
BasicBlock::iterator BasicBlock::getFirstInsertionPt() {
- iterator InsertPt = getFirstNonPHI();
+ Instruction *FirstNonPHI = getFirstNonPHI();
+ if (!FirstNonPHI)
+ return end();
+
+ iterator InsertPt = FirstNonPHI;
if (isa<LandingPadInst>(InsertPt)) ++InsertPt;
return InsertPt;
}
diff --git a/lib/IR/Core.cpp b/lib/IR/Core.cpp
index 23e923d41126..e0e729d534bd 100644
--- a/lib/IR/Core.cpp
+++ b/lib/IR/Core.cpp
@@ -1691,6 +1691,14 @@ void LLVMDeleteFunction(LLVMValueRef Fn) {
unwrap<Function>(Fn)->eraseFromParent();
}
+LLVMValueRef LLVMGetPersonalityFn(LLVMValueRef Fn) {
+ return wrap(unwrap<Function>(Fn)->getPersonalityFn());
+}
+
+void LLVMSetPersonalityFn(LLVMValueRef Fn, LLVMValueRef PersonalityFn) {
+ unwrap<Function>(Fn)->setPersonalityFn(unwrap<Constant>(PersonalityFn));
+}
+
unsigned LLVMGetIntrinsicID(LLVMValueRef Fn) {
if (Function *F = dyn_cast<Function>(unwrap(Fn)))
return F->getIntrinsicID();
diff --git a/lib/IR/DIBuilder.cpp b/lib/IR/DIBuilder.cpp
index 6a3ff0e8e457..2a90e70af1a3 100644
--- a/lib/IR/DIBuilder.cpp
+++ b/lib/IR/DIBuilder.cpp
@@ -73,37 +73,47 @@ void DIBuilder::trackIfUnresolved(MDNode *N) {
}
void DIBuilder::finalize() {
- if (CUNode) {
- CUNode->replaceEnumTypes(MDTuple::get(VMContext, AllEnumTypes));
-
- SmallVector<Metadata *, 16> RetainValues;
- // Declarations and definitions of the same type may be retained. Some
- // clients RAUW these pairs, leaving duplicates in the retained types
- // list. Use a set to remove the duplicates while we transform the
- // TrackingVHs back into Values.
- SmallPtrSet<Metadata *, 16> RetainSet;
- for (unsigned I = 0, E = AllRetainTypes.size(); I < E; I++)
- if (RetainSet.insert(AllRetainTypes[I]).second)
- RetainValues.push_back(AllRetainTypes[I]);
+ if (!CUNode) {
+ assert(!AllowUnresolvedNodes &&
+ "creating type nodes without a CU is not supported");
+ return;
+ }
+
+ CUNode->replaceEnumTypes(MDTuple::get(VMContext, AllEnumTypes));
+
+ SmallVector<Metadata *, 16> RetainValues;
+ // Declarations and definitions of the same type may be retained. Some
+ // clients RAUW these pairs, leaving duplicates in the retained types
+ // list. Use a set to remove the duplicates while we transform the
+ // TrackingVHs back into Values.
+ SmallPtrSet<Metadata *, 16> RetainSet;
+ for (unsigned I = 0, E = AllRetainTypes.size(); I < E; I++)
+ if (RetainSet.insert(AllRetainTypes[I]).second)
+ RetainValues.push_back(AllRetainTypes[I]);
+
+ if (!RetainValues.empty())
CUNode->replaceRetainedTypes(MDTuple::get(VMContext, RetainValues));
- DISubprogramArray SPs = MDTuple::get(VMContext, AllSubprograms);
+ DISubprogramArray SPs = MDTuple::get(VMContext, AllSubprograms);
+ if (!AllSubprograms.empty())
CUNode->replaceSubprograms(SPs.get());
- for (auto *SP : SPs) {
- if (MDTuple *Temp = SP->getVariables().get()) {
- const auto &PV = PreservedVariables.lookup(SP);
- SmallVector<Metadata *, 4> Variables(PV.begin(), PV.end());
- DINodeArray AV = getOrCreateArray(Variables);
- TempMDTuple(Temp)->replaceAllUsesWith(AV.get());
- }
+
+ for (auto *SP : SPs) {
+ if (MDTuple *Temp = SP->getVariables().get()) {
+ const auto &PV = PreservedVariables.lookup(SP);
+ SmallVector<Metadata *, 4> Variables(PV.begin(), PV.end());
+ DINodeArray AV = getOrCreateArray(Variables);
+ TempMDTuple(Temp)->replaceAllUsesWith(AV.get());
}
+ }
+ if (!AllGVs.empty())
CUNode->replaceGlobalVariables(MDTuple::get(VMContext, AllGVs));
+ if (!AllImportedModules.empty())
CUNode->replaceImportedEntities(MDTuple::get(
VMContext, SmallVector<Metadata *, 16>(AllImportedModules.begin(),
AllImportedModules.end())));
- }
// Now that all temp nodes have been replaced or deleted, resolve remaining
// cycles.
@@ -585,7 +595,7 @@ DILocalVariable *DIBuilder::createLocalVariable(
DIType *Ty, bool AlwaysPreserve, unsigned Flags, unsigned ArgNo) {
// FIXME: Why getNonCompileUnitScope()?
// FIXME: Why is "!Context" okay here?
- // FIXME: WHy doesn't this check for a subprogram or lexical block (AFAICT
+ // FIXME: Why doesn't this check for a subprogram or lexical block (AFAICT
// the only valid scopes)?
DIScope *Context = getNonCompileUnitScope(Scope);
@@ -593,7 +603,7 @@ DILocalVariable *DIBuilder::createLocalVariable(
VMContext, Tag, cast_or_null<DILocalScope>(Context), Name, File, LineNo,
DITypeRef::get(Ty), ArgNo, Flags);
if (AlwaysPreserve) {
- // The optimizer may remove local variable. If there is an interest
+ // The optimizer may remove local variables. If there is an interest
// to preserve variable info in such situation then stash it in a
// named mdnode.
DISubprogram *Fn = getDISubprogram(Scope);
@@ -857,7 +867,7 @@ void DIBuilder::replaceArrays(DICompositeType *&T, DINodeArray Elements,
if (!T->isResolved())
return;
- // If "T" is resolved, it may be due to a self-reference cycle. Track the
+ // If T is resolved, it may be due to a self-reference cycle. Track the
// arrays explicitly if they're unresolved, or else the cycles will be
// orphaned.
if (Elements)
diff --git a/lib/IR/Dominators.cpp b/lib/IR/Dominators.cpp
index e3258895ea5e..b6a8bbcbe5fa 100644
--- a/lib/IR/Dominators.cpp
+++ b/lib/IR/Dominators.cpp
@@ -62,18 +62,14 @@ bool BasicBlockEdge::isSingleEdge() const {
//
//===----------------------------------------------------------------------===//
-TEMPLATE_INSTANTIATION(class llvm::DomTreeNodeBase<BasicBlock>);
-TEMPLATE_INSTANTIATION(class llvm::DominatorTreeBase<BasicBlock>);
-
-#define LLVM_COMMA ,
-TEMPLATE_INSTANTIATION(void llvm::Calculate<Function LLVM_COMMA BasicBlock *>(
- DominatorTreeBase<GraphTraits<BasicBlock *>::NodeType> &DT LLVM_COMMA
- Function &F));
-TEMPLATE_INSTANTIATION(
- void llvm::Calculate<Function LLVM_COMMA Inverse<BasicBlock *> >(
- DominatorTreeBase<GraphTraits<Inverse<BasicBlock *> >::NodeType> &DT
- LLVM_COMMA Function &F));
-#undef LLVM_COMMA
+template class llvm::DomTreeNodeBase<BasicBlock>;
+template class llvm::DominatorTreeBase<BasicBlock>;
+
+template void llvm::Calculate<Function, BasicBlock *>(
+ DominatorTreeBase<GraphTraits<BasicBlock *>::NodeType> &DT, Function &F);
+template void llvm::Calculate<Function, Inverse<BasicBlock *>>(
+ DominatorTreeBase<GraphTraits<Inverse<BasicBlock *>>::NodeType> &DT,
+ Function &F);
// dominates - Return true if Def dominates a use in User. This performs
// the special checks necessary if Def and User are in the same basic block.
diff --git a/lib/IR/Value.cpp b/lib/IR/Value.cpp
index 78d1adb5e700..f554d590284f 100644
--- a/lib/IR/Value.cpp
+++ b/lib/IR/Value.cpp
@@ -39,8 +39,6 @@ using namespace llvm;
//===----------------------------------------------------------------------===//
// Value Class
//===----------------------------------------------------------------------===//
-const unsigned Value::NumUserOperandsBits;
-
static inline Type *checkType(Type *Ty) {
assert(Ty && "Value defined with a null type: Error!");
return Ty;
diff --git a/lib/IR/Verifier.cpp b/lib/IR/Verifier.cpp
index 3c61165768f8..2a0a4ff393ed 100644
--- a/lib/IR/Verifier.cpp
+++ b/lib/IR/Verifier.cpp
@@ -184,12 +184,12 @@ class Verifier : public InstVisitor<Verifier>, VerifierSupport {
/// \brief Track unresolved string-based type references.
SmallDenseMap<const MDString *, const MDNode *, 32> UnresolvedTypeRefs;
- /// \brief Whether we've seen a call to @llvm.frameescape in this function
+ /// \brief Whether we've seen a call to @llvm.localescape in this function
/// already.
bool SawFrameEscape;
- /// Stores the count of how many objects were passed to llvm.frameescape for a
- /// given function and the largest index passed to llvm.framerecover.
+ /// Stores the count of how many objects were passed to llvm.localescape for a
+ /// given function and the largest index passed to llvm.localrecover.
DenseMap<Function *, std::pair<unsigned, unsigned>> FrameEscapeInfo;
public:
@@ -438,6 +438,9 @@ void Verifier::visitGlobalValue(const GlobalValue &GV) {
Assert(GVar && GVar->getValueType()->isArrayTy(),
"Only global arrays can have appending linkage!", GVar);
}
+
+ if (GV.isDeclarationForLinker())
+ Assert(!GV.hasComdat(), "Declaration may not be in a Comdat!", &GV);
}
void Verifier::visitGlobalVariable(const GlobalVariable &GV) {
@@ -1270,7 +1273,8 @@ void Verifier::VerifyAttributeTypes(AttributeSet Attrs, unsigned Idx,
I->getKindAsEnum() == Attribute::Cold ||
I->getKindAsEnum() == Attribute::OptimizeNone ||
I->getKindAsEnum() == Attribute::JumpTable ||
- I->getKindAsEnum() == Attribute::Convergent) {
+ I->getKindAsEnum() == Attribute::Convergent ||
+ I->getKindAsEnum() == Attribute::ArgMemOnly) {
if (!isFunction) {
CheckFailed("Attribute '" + I->getAsString() +
"' only applies to functions!", V);
@@ -1528,8 +1532,9 @@ void Verifier::VerifyStatepoint(ImmutableCallSite CS) {
const Instruction &CI = *CS.getInstruction();
- Assert(!CS.doesNotAccessMemory() && !CS.onlyReadsMemory(),
- "gc.statepoint must read and write memory to preserve "
+ Assert(!CS.doesNotAccessMemory() && !CS.onlyReadsMemory() &&
+ !CS.onlyAccessesArgMemory(),
+ "gc.statepoint must read and write all memory to preserve "
"reordering restrictions required by safepoint semantics",
&CI);
@@ -1666,8 +1671,8 @@ void Verifier::verifyFrameRecoverIndices() {
unsigned EscapedObjectCount = Counts.second.first;
unsigned MaxRecoveredIndex = Counts.second.second;
Assert(MaxRecoveredIndex <= EscapedObjectCount,
- "all indices passed to llvm.framerecover must be less than the "
- "number of arguments passed ot llvm.frameescape in the parent "
+ "all indices passed to llvm.localrecover must be less than the "
+ "number of arguments passed ot llvm.localescape in the parent "
"function",
F);
}
@@ -2535,10 +2540,6 @@ void Verifier::visitGetElementPtrInst(GetElementPtrInst &GEP) {
Assert(isa<PointerType>(TargetTy),
"GEP base pointer is not a vector or a vector of pointers", &GEP);
Assert(GEP.getSourceElementType()->isSized(), "GEP into unsized type!", &GEP);
- Assert(GEP.getPointerOperandType()->isVectorTy() ==
- GEP.getType()->isVectorTy(),
- "Vector GEP must return a vector value", &GEP);
-
SmallVector<Value*, 16> Idxs(GEP.idx_begin(), GEP.idx_end());
Type *ElTy =
GetElementPtrInst::getIndexedType(GEP.getSourceElementType(), Idxs);
@@ -2548,17 +2549,20 @@ void Verifier::visitGetElementPtrInst(GetElementPtrInst &GEP) {
GEP.getResultElementType() == ElTy,
"GEP is not of right type for indices!", &GEP, ElTy);
- if (GEP.getPointerOperandType()->isVectorTy()) {
+ if (GEP.getType()->isVectorTy()) {
// Additional checks for vector GEPs.
- unsigned GepWidth = GEP.getPointerOperandType()->getVectorNumElements();
- Assert(GepWidth == GEP.getType()->getVectorNumElements(),
- "Vector GEP result width doesn't match operand's", &GEP);
+ unsigned GEPWidth = GEP.getType()->getVectorNumElements();
+ if (GEP.getPointerOperandType()->isVectorTy())
+ Assert(GEPWidth == GEP.getPointerOperandType()->getVectorNumElements(),
+ "Vector GEP result width doesn't match operand's", &GEP);
for (unsigned i = 0, e = Idxs.size(); i != e; ++i) {
Type *IndexTy = Idxs[i]->getType();
- Assert(IndexTy->isVectorTy(), "Vector GEP must have vector indices!",
- &GEP);
- unsigned IndexWidth = IndexTy->getVectorNumElements();
- Assert(IndexWidth == GepWidth, "Invalid GEP index vector width", &GEP);
+ if (IndexTy->isVectorTy()) {
+ unsigned IndexWidth = IndexTy->getVectorNumElements();
+ Assert(IndexWidth == GEPWidth, "Invalid GEP index vector width", &GEP);
+ }
+ Assert(IndexTy->getScalarType()->isIntegerTy(),
+ "All GEP indices should be of integer type");
}
}
visitInstruction(GEP);
@@ -3276,32 +3280,32 @@ void Verifier::visitIntrinsicCallSite(Intrinsic::ID ID, CallSite CS) {
"llvm.invariant.end parameter #2 must be a constant integer", CS);
break;
- case Intrinsic::frameescape: {
+ case Intrinsic::localescape: {
BasicBlock *BB = CS.getParent();
Assert(BB == &BB->getParent()->front(),
- "llvm.frameescape used outside of entry block", CS);
+ "llvm.localescape used outside of entry block", CS);
Assert(!SawFrameEscape,
- "multiple calls to llvm.frameescape in one function", CS);
+ "multiple calls to llvm.localescape in one function", CS);
for (Value *Arg : CS.args()) {
if (isa<ConstantPointerNull>(Arg))
continue; // Null values are allowed as placeholders.
auto *AI = dyn_cast<AllocaInst>(Arg->stripPointerCasts());
Assert(AI && AI->isStaticAlloca(),
- "llvm.frameescape only accepts static allocas", CS);
+ "llvm.localescape only accepts static allocas", CS);
}
FrameEscapeInfo[BB->getParent()].first = CS.getNumArgOperands();
SawFrameEscape = true;
break;
}
- case Intrinsic::framerecover: {
+ case Intrinsic::localrecover: {
Value *FnArg = CS.getArgOperand(0)->stripPointerCasts();
Function *Fn = dyn_cast<Function>(FnArg);
Assert(Fn && !Fn->isDeclaration(),
- "llvm.framerecover first "
+ "llvm.localrecover first "
"argument must be function defined in this module",
CS);
auto *IdxArg = dyn_cast<ConstantInt>(CS.getArgOperand(2));
- Assert(IdxArg, "idx argument of llvm.framerecover must be a constant int",
+ Assert(IdxArg, "idx argument of llvm.localrecover must be a constant int",
CS);
auto &Entry = FrameEscapeInfo[Fn];
Entry.second = unsigned(