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-rw-r--r--lib/Analysis/DebugInfo.cpp1199
1 files changed, 720 insertions, 479 deletions
diff --git a/lib/Analysis/DebugInfo.cpp b/lib/Analysis/DebugInfo.cpp
index 9eecc33..7bb7e9b 100644
--- a/lib/Analysis/DebugInfo.cpp
+++ b/lib/Analysis/DebugInfo.cpp
@@ -18,12 +18,13 @@
#include "llvm/Intrinsics.h"
#include "llvm/IntrinsicInst.h"
#include "llvm/Instructions.h"
+#include "llvm/LLVMContext.h"
#include "llvm/Module.h"
#include "llvm/Analysis/ValueTracking.h"
+#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/Support/Dwarf.h"
#include "llvm/Support/DebugLoc.h"
-#include "llvm/Support/Streams.h"
-
+#include "llvm/Support/raw_ostream.h"
using namespace llvm;
using namespace llvm::dwarf;
@@ -32,18 +33,12 @@ using namespace llvm::dwarf;
//===----------------------------------------------------------------------===//
/// ValidDebugInfo - Return true if V represents valid debug info value.
-bool DIDescriptor::ValidDebugInfo(Value *V, CodeGenOpt::Level OptLevel) {
- if (!V)
- return false;
-
- GlobalVariable *GV = dyn_cast<GlobalVariable>(V->stripPointerCasts());
- if (!GV)
- return false;
-
- if (!GV->hasInternalLinkage () && !GV->hasLinkOnceLinkage())
+/// FIXME : Add DIDescriptor.isValid()
+bool DIDescriptor::ValidDebugInfo(MDNode *N, CodeGenOpt::Level OptLevel) {
+ if (!N)
return false;
- DIDescriptor DI(GV);
+ DIDescriptor DI(N);
// Check current version. Allow Version6 for now.
unsigned Version = DI.getVersion();
@@ -53,13 +48,13 @@ bool DIDescriptor::ValidDebugInfo(Value *V, CodeGenOpt::Level OptLevel) {
unsigned Tag = DI.getTag();
switch (Tag) {
case DW_TAG_variable:
- assert(DIVariable(GV).Verify() && "Invalid DebugInfo value");
+ assert(DIVariable(N).Verify() && "Invalid DebugInfo value");
break;
case DW_TAG_compile_unit:
- assert(DICompileUnit(GV).Verify() && "Invalid DebugInfo value");
+ assert(DICompileUnit(N).Verify() && "Invalid DebugInfo value");
break;
case DW_TAG_subprogram:
- assert(DISubprogram(GV).Verify() && "Invalid DebugInfo value");
+ assert(DISubprogram(N).Verify() && "Invalid DebugInfo value");
break;
case DW_TAG_lexical_block:
// FIXME: This interfers with the quality of generated code during
@@ -74,84 +69,75 @@ bool DIDescriptor::ValidDebugInfo(Value *V, CodeGenOpt::Level OptLevel) {
return true;
}
-DIDescriptor::DIDescriptor(GlobalVariable *GV, unsigned RequiredTag) {
- DbgGV = GV;
-
- // If this is non-null, check to see if the Tag matches. If not, set to null.
- if (GV && getTag() != RequiredTag)
- DbgGV = 0;
-}
+DIDescriptor::DIDescriptor(MDNode *N, unsigned RequiredTag) {
+ DbgNode = N;
-const std::string &
-DIDescriptor::getStringField(unsigned Elt, std::string &Result) const {
- if (DbgGV == 0) {
- Result.clear();
- return Result;
+ // If this is non-null, check to see if the Tag matches. If not, set to null.
+ if (N && getTag() != RequiredTag) {
+ DbgNode = 0;
}
+}
- Constant *C = DbgGV->getInitializer();
- if (C == 0 || Elt >= C->getNumOperands()) {
- Result.clear();
- return Result;
- }
+const char *
+DIDescriptor::getStringField(unsigned Elt) const {
+ if (DbgNode == 0)
+ return NULL;
- // Fills in the string if it succeeds
- if (!GetConstantStringInfo(C->getOperand(Elt), Result))
- Result.clear();
+ if (Elt < DbgNode->getNumElements())
+ if (MDString *MDS = dyn_cast_or_null<MDString>(DbgNode->getElement(Elt)))
+ return MDS->getString().data();
- return Result;
+ return NULL;
}
uint64_t DIDescriptor::getUInt64Field(unsigned Elt) const {
- if (DbgGV == 0) return 0;
-
- Constant *C = DbgGV->getInitializer();
- if (C == 0 || Elt >= C->getNumOperands())
+ if (DbgNode == 0)
return 0;
- if (ConstantInt *CI = dyn_cast<ConstantInt>(C->getOperand(Elt)))
- return CI->getZExtValue();
+ if (Elt < DbgNode->getNumElements())
+ if (ConstantInt *CI = dyn_cast<ConstantInt>(DbgNode->getElement(Elt)))
+ return CI->getZExtValue();
+
return 0;
}
DIDescriptor DIDescriptor::getDescriptorField(unsigned Elt) const {
- if (DbgGV == 0) return DIDescriptor();
-
- Constant *C = DbgGV->getInitializer();
- if (C == 0 || Elt >= C->getNumOperands())
+ if (DbgNode == 0)
return DIDescriptor();
- C = C->getOperand(Elt);
- return DIDescriptor(dyn_cast<GlobalVariable>(C->stripPointerCasts()));
+ if (Elt < DbgNode->getNumElements() && DbgNode->getElement(Elt))
+ return DIDescriptor(dyn_cast<MDNode>(DbgNode->getElement(Elt)));
+
+ return DIDescriptor();
}
GlobalVariable *DIDescriptor::getGlobalVariableField(unsigned Elt) const {
- if (DbgGV == 0) return 0;
-
- Constant *C = DbgGV->getInitializer();
- if (C == 0 || Elt >= C->getNumOperands())
+ if (DbgNode == 0)
return 0;
- C = C->getOperand(Elt);
- return dyn_cast<GlobalVariable>(C->stripPointerCasts());
+ if (Elt < DbgNode->getNumElements())
+ return dyn_cast_or_null<GlobalVariable>(DbgNode->getElement(Elt));
+ return 0;
}
//===----------------------------------------------------------------------===//
-// Simple Descriptor Constructors and other Methods
+// Predicates
//===----------------------------------------------------------------------===//
-// Needed by DIVariable::getType().
-DIType::DIType(GlobalVariable *GV) : DIDescriptor(GV) {
- if (!GV) return;
- unsigned tag = getTag();
- if (tag != dwarf::DW_TAG_base_type && !DIDerivedType::isDerivedType(tag) &&
- !DICompositeType::isCompositeType(tag))
- DbgGV = 0;
+/// isBasicType - Return true if the specified tag is legal for
+/// DIBasicType.
+bool DIDescriptor::isBasicType() const {
+ assert (!isNull() && "Invalid descriptor!");
+ unsigned Tag = getTag();
+
+ return Tag == dwarf::DW_TAG_base_type;
}
-/// isDerivedType - Return true if the specified tag is legal for
-/// DIDerivedType.
-bool DIType::isDerivedType(unsigned Tag) {
+/// isDerivedType - Return true if the specified tag is legal for DIDerivedType.
+bool DIDescriptor::isDerivedType() const {
+ assert (!isNull() && "Invalid descriptor!");
+ unsigned Tag = getTag();
+
switch (Tag) {
case dwarf::DW_TAG_typedef:
case dwarf::DW_TAG_pointer_type:
@@ -163,16 +149,18 @@ bool DIType::isDerivedType(unsigned Tag) {
case dwarf::DW_TAG_inheritance:
return true;
default:
- // FIXME: Even though it doesn't make sense, CompositeTypes are current
- // modelled as DerivedTypes, this should return true for them as well.
- return false;
+ // CompositeTypes are currently modelled as DerivedTypes.
+ return isCompositeType();
}
}
/// isCompositeType - Return true if the specified tag is legal for
/// DICompositeType.
-bool DIType::isCompositeType(unsigned TAG) {
- switch (TAG) {
+bool DIDescriptor::isCompositeType() const {
+ assert (!isNull() && "Invalid descriptor!");
+ unsigned Tag = getTag();
+
+ switch (Tag) {
case dwarf::DW_TAG_array_type:
case dwarf::DW_TAG_structure_type:
case dwarf::DW_TAG_union_type:
@@ -187,7 +175,10 @@ bool DIType::isCompositeType(unsigned TAG) {
}
/// isVariable - Return true if the specified tag is legal for DIVariable.
-bool DIVariable::isVariable(unsigned Tag) {
+bool DIDescriptor::isVariable() const {
+ assert (!isNull() && "Invalid descriptor!");
+ unsigned Tag = getTag();
+
switch (Tag) {
case dwarf::DW_TAG_auto_variable:
case dwarf::DW_TAG_arg_variable:
@@ -198,19 +189,126 @@ bool DIVariable::isVariable(unsigned Tag) {
}
}
+/// isType - Return true if the specified tag is legal for DIType.
+bool DIDescriptor::isType() const {
+ return isBasicType() || isCompositeType() || isDerivedType();
+}
+
+/// isSubprogram - Return true if the specified tag is legal for
+/// DISubprogram.
+bool DIDescriptor::isSubprogram() const {
+ assert (!isNull() && "Invalid descriptor!");
+ unsigned Tag = getTag();
+
+ return Tag == dwarf::DW_TAG_subprogram;
+}
+
+/// isGlobalVariable - Return true if the specified tag is legal for
+/// DIGlobalVariable.
+bool DIDescriptor::isGlobalVariable() const {
+ assert (!isNull() && "Invalid descriptor!");
+ unsigned Tag = getTag();
+
+ return Tag == dwarf::DW_TAG_variable;
+}
+
+/// isGlobal - Return true if the specified tag is legal for DIGlobal.
+bool DIDescriptor::isGlobal() const {
+ return isGlobalVariable();
+}
+
+/// isScope - Return true if the specified tag is one of the scope
+/// related tag.
+bool DIDescriptor::isScope() const {
+ assert (!isNull() && "Invalid descriptor!");
+ unsigned Tag = getTag();
+
+ switch (Tag) {
+ case dwarf::DW_TAG_compile_unit:
+ case dwarf::DW_TAG_lexical_block:
+ case dwarf::DW_TAG_subprogram:
+ return true;
+ default:
+ break;
+ }
+ return false;
+}
+
+/// isCompileUnit - Return true if the specified tag is DW_TAG_compile_unit.
+bool DIDescriptor::isCompileUnit() const {
+ assert (!isNull() && "Invalid descriptor!");
+ unsigned Tag = getTag();
+
+ return Tag == dwarf::DW_TAG_compile_unit;
+}
+
+/// isLexicalBlock - Return true if the specified tag is DW_TAG_lexical_block.
+bool DIDescriptor::isLexicalBlock() const {
+ assert (!isNull() && "Invalid descriptor!");
+ unsigned Tag = getTag();
+
+ return Tag == dwarf::DW_TAG_lexical_block;
+}
+
+/// isSubrange - Return true if the specified tag is DW_TAG_subrange_type.
+bool DIDescriptor::isSubrange() const {
+ assert (!isNull() && "Invalid descriptor!");
+ unsigned Tag = getTag();
+
+ return Tag == dwarf::DW_TAG_subrange_type;
+}
+
+/// isEnumerator - Return true if the specified tag is DW_TAG_enumerator.
+bool DIDescriptor::isEnumerator() const {
+ assert (!isNull() && "Invalid descriptor!");
+ unsigned Tag = getTag();
+
+ return Tag == dwarf::DW_TAG_enumerator;
+}
+
+//===----------------------------------------------------------------------===//
+// Simple Descriptor Constructors and other Methods
+//===----------------------------------------------------------------------===//
+
+DIType::DIType(MDNode *N) : DIDescriptor(N) {
+ if (!N) return;
+ if (!isBasicType() && !isDerivedType() && !isCompositeType()) {
+ DbgNode = 0;
+ }
+}
+
unsigned DIArray::getNumElements() const {
- assert (DbgGV && "Invalid DIArray");
- Constant *C = DbgGV->getInitializer();
- assert (C && "Invalid DIArray initializer");
- return C->getNumOperands();
+ assert (DbgNode && "Invalid DIArray");
+ return DbgNode->getNumElements();
+}
+
+/// replaceAllUsesWith - Replace all uses of debug info referenced by
+/// this descriptor. After this completes, the current debug info value
+/// is erased.
+void DIDerivedType::replaceAllUsesWith(DIDescriptor &D) {
+ if (isNull())
+ return;
+
+ assert (!D.isNull() && "Can not replace with null");
+
+ // Since we use a TrackingVH for the node, its easy for clients to manufacture
+ // legitimate situations where they want to replaceAllUsesWith() on something
+ // which, due to uniquing, has merged with the source. We shield clients from
+ // this detail by allowing a value to be replaced with replaceAllUsesWith()
+ // itself.
+ if (getNode() != D.getNode()) {
+ MDNode *Node = DbgNode;
+ Node->replaceAllUsesWith(D.getNode());
+ delete Node;
+ }
}
/// Verify - Verify that a compile unit is well formed.
bool DICompileUnit::Verify() const {
- if (isNull())
+ if (isNull())
return false;
- std::string Res;
- if (getFilename(Res).empty())
+ const char *N = getFilename();
+ if (!N)
return false;
// It is possible that directory and produce string is empty.
return true;
@@ -218,26 +316,26 @@ bool DICompileUnit::Verify() const {
/// Verify - Verify that a type descriptor is well formed.
bool DIType::Verify() const {
- if (isNull())
+ if (isNull())
return false;
- if (getContext().isNull())
+ if (getContext().isNull())
return false;
DICompileUnit CU = getCompileUnit();
- if (!CU.isNull() && !CU.Verify())
+ if (!CU.isNull() && !CU.Verify())
return false;
return true;
}
/// Verify - Verify that a composite type descriptor is well formed.
bool DICompositeType::Verify() const {
- if (isNull())
+ if (isNull())
return false;
- if (getContext().isNull())
+ if (getContext().isNull())
return false;
DICompileUnit CU = getCompileUnit();
- if (!CU.isNull() && !CU.Verify())
+ if (!CU.isNull() && !CU.Verify())
return false;
return true;
}
@@ -246,12 +344,12 @@ bool DICompositeType::Verify() const {
bool DISubprogram::Verify() const {
if (isNull())
return false;
-
+
if (getContext().isNull())
return false;
DICompileUnit CU = getCompileUnit();
- if (!CU.Verify())
+ if (!CU.Verify())
return false;
DICompositeType Ty = getType();
@@ -264,12 +362,12 @@ bool DISubprogram::Verify() const {
bool DIGlobalVariable::Verify() const {
if (isNull())
return false;
-
+
if (getContext().isNull())
return false;
DICompileUnit CU = getCompileUnit();
- if (!CU.isNull() && !CU.Verify())
+ if (!CU.isNull() && !CU.Verify())
return false;
DIType Ty = getType();
@@ -286,7 +384,7 @@ bool DIGlobalVariable::Verify() const {
bool DIVariable::Verify() const {
if (isNull())
return false;
-
+
if (getContext().isNull())
return false;
@@ -312,15 +410,38 @@ uint64_t DIDerivedType::getOriginalTypeSize() const {
/// information for the function F.
bool DISubprogram::describes(const Function *F) {
assert (F && "Invalid function");
- std::string Name;
- getLinkageName(Name);
- if (Name.empty())
- getName(Name);
- if (!Name.empty() && (strcmp(Name.c_str(), F->getNameStart()) == false))
+ const char *Name = getLinkageName();
+ if (!Name)
+ Name = getName();
+ if (strcmp(F->getName().data(), Name) == 0)
return true;
return false;
}
+const char *DIScope::getFilename() const {
+ if (isLexicalBlock())
+ return DILexicalBlock(DbgNode).getFilename();
+ else if (isSubprogram())
+ return DISubprogram(DbgNode).getFilename();
+ else if (isCompileUnit())
+ return DICompileUnit(DbgNode).getFilename();
+ else
+ assert (0 && "Invalid DIScope!");
+ return NULL;
+}
+
+const char *DIScope::getDirectory() const {
+ if (isLexicalBlock())
+ return DILexicalBlock(DbgNode).getDirectory();
+ else if (isSubprogram())
+ return DISubprogram(DbgNode).getDirectory();
+ else if (isCompileUnit())
+ return DICompileUnit(DbgNode).getDirectory();
+ else
+ assert (0 && "Invalid DIScope!");
+ return NULL;
+}
+
//===----------------------------------------------------------------------===//
// DIDescriptor: dump routines for all descriptors.
//===----------------------------------------------------------------------===//
@@ -328,69 +449,67 @@ bool DISubprogram::describes(const Function *F) {
/// dump - Print descriptor.
void DIDescriptor::dump() const {
- cerr << "[" << dwarf::TagString(getTag()) << "] ";
- cerr << std::hex << "[GV:" << DbgGV << "]" << std::dec;
+ errs() << "[" << dwarf::TagString(getTag()) << "] ";
+ errs().write_hex((intptr_t) &*DbgNode) << ']';
}
/// dump - Print compile unit.
void DICompileUnit::dump() const {
if (getLanguage())
- cerr << " [" << dwarf::LanguageString(getLanguage()) << "] ";
+ errs() << " [" << dwarf::LanguageString(getLanguage()) << "] ";
- std::string Res1, Res2;
- cerr << " [" << getDirectory(Res1) << "/" << getFilename(Res2) << " ]";
+ errs() << " [" << getDirectory() << "/" << getFilename() << " ]";
}
/// dump - Print type.
void DIType::dump() const {
if (isNull()) return;
- std::string Res;
- if (!getName(Res).empty())
- cerr << " [" << Res << "] ";
+ if (const char *Res = getName())
+ errs() << " [" << Res << "] ";
unsigned Tag = getTag();
- cerr << " [" << dwarf::TagString(Tag) << "] ";
+ errs() << " [" << dwarf::TagString(Tag) << "] ";
// TODO : Print context
getCompileUnit().dump();
- cerr << " ["
- << getLineNumber() << ", "
- << getSizeInBits() << ", "
- << getAlignInBits() << ", "
- << getOffsetInBits()
- << "] ";
-
- if (isPrivate())
- cerr << " [private] ";
+ errs() << " ["
+ << getLineNumber() << ", "
+ << getSizeInBits() << ", "
+ << getAlignInBits() << ", "
+ << getOffsetInBits()
+ << "] ";
+
+ if (isPrivate())
+ errs() << " [private] ";
else if (isProtected())
- cerr << " [protected] ";
+ errs() << " [protected] ";
if (isForwardDecl())
- cerr << " [fwd] ";
-
- if (isBasicType(Tag))
- DIBasicType(DbgGV).dump();
- else if (isDerivedType(Tag))
- DIDerivedType(DbgGV).dump();
- else if (isCompositeType(Tag))
- DICompositeType(DbgGV).dump();
+ errs() << " [fwd] ";
+
+ if (isBasicType())
+ DIBasicType(DbgNode).dump();
+ else if (isDerivedType())
+ DIDerivedType(DbgNode).dump();
+ else if (isCompositeType())
+ DICompositeType(DbgNode).dump();
else {
- cerr << "Invalid DIType\n";
+ errs() << "Invalid DIType\n";
return;
}
- cerr << "\n";
+ errs() << "\n";
}
/// dump - Print basic type.
void DIBasicType::dump() const {
- cerr << " [" << dwarf::AttributeEncodingString(getEncoding()) << "] ";
+ errs() << " [" << dwarf::AttributeEncodingString(getEncoding()) << "] ";
}
/// dump - Print derived type.
void DIDerivedType::dump() const {
- cerr << "\n\t Derived From: "; getTypeDerivedFrom().dump();
+ errs() << "\n\t Derived From: "; getTypeDerivedFrom().dump();
}
/// dump - Print composite type.
@@ -398,54 +517,72 @@ void DICompositeType::dump() const {
DIArray A = getTypeArray();
if (A.isNull())
return;
- cerr << " [" << A.getNumElements() << " elements]";
+ errs() << " [" << A.getNumElements() << " elements]";
}
/// dump - Print global.
void DIGlobal::dump() const {
- std::string Res;
- if (!getName(Res).empty())
- cerr << " [" << Res << "] ";
+ if (const char *Res = getName())
+ errs() << " [" << Res << "] ";
unsigned Tag = getTag();
- cerr << " [" << dwarf::TagString(Tag) << "] ";
+ errs() << " [" << dwarf::TagString(Tag) << "] ";
// TODO : Print context
getCompileUnit().dump();
- cerr << " [" << getLineNumber() << "] ";
+ errs() << " [" << getLineNumber() << "] ";
if (isLocalToUnit())
- cerr << " [local] ";
+ errs() << " [local] ";
if (isDefinition())
- cerr << " [def] ";
+ errs() << " [def] ";
- if (isGlobalVariable(Tag))
- DIGlobalVariable(DbgGV).dump();
+ if (isGlobalVariable())
+ DIGlobalVariable(DbgNode).dump();
- cerr << "\n";
+ errs() << "\n";
}
/// dump - Print subprogram.
void DISubprogram::dump() const {
- DIGlobal::dump();
+ if (const char *Res = getName())
+ errs() << " [" << Res << "] ";
+
+ unsigned Tag = getTag();
+ errs() << " [" << dwarf::TagString(Tag) << "] ";
+
+ // TODO : Print context
+ getCompileUnit().dump();
+ errs() << " [" << getLineNumber() << "] ";
+
+ if (isLocalToUnit())
+ errs() << " [local] ";
+
+ if (isDefinition())
+ errs() << " [def] ";
+
+ errs() << "\n";
}
/// dump - Print global variable.
void DIGlobalVariable::dump() const {
- cerr << " ["; getGlobal()->dump(); cerr << "] ";
+ errs() << " [";
+ getGlobal()->dump();
+ errs() << "] ";
}
/// dump - Print variable.
void DIVariable::dump() const {
- std::string Res;
- if (!getName(Res).empty())
- cerr << " [" << Res << "] ";
+ if (const char *Res = getName())
+ errs() << " [" << Res << "] ";
getCompileUnit().dump();
- cerr << " [" << getLineNumber() << "] ";
+ errs() << " [" << getLineNumber() << "] ";
getType().dump();
- cerr << "\n";
+ errs() << "\n";
+
+ // FIXME: Dump complex addresses
}
//===----------------------------------------------------------------------===//
@@ -453,98 +590,46 @@ void DIVariable::dump() const {
//===----------------------------------------------------------------------===//
DIFactory::DIFactory(Module &m)
- : M(m), StopPointFn(0), FuncStartFn(0), RegionStartFn(0), RegionEndFn(0),
+ : M(m), VMContext(M.getContext()), StopPointFn(0), FuncStartFn(0),
+ RegionStartFn(0), RegionEndFn(0),
DeclareFn(0) {
- EmptyStructPtr = PointerType::getUnqual(StructType::get());
-}
-
-/// getCastToEmpty - Return this descriptor as a Constant* with type '{}*'.
-/// This is only valid when the descriptor is non-null.
-Constant *DIFactory::getCastToEmpty(DIDescriptor D) {
- if (D.isNull()) return Constant::getNullValue(EmptyStructPtr);
- return ConstantExpr::getBitCast(D.getGV(), EmptyStructPtr);
+ EmptyStructPtr = PointerType::getUnqual(StructType::get(VMContext));
}
Constant *DIFactory::GetTagConstant(unsigned TAG) {
assert((TAG & LLVMDebugVersionMask) == 0 &&
"Tag too large for debug encoding!");
- return ConstantInt::get(Type::Int32Ty, TAG | LLVMDebugVersion);
-}
-
-Constant *DIFactory::GetStringConstant(const std::string &String) {
- // Check string cache for previous edition.
- Constant *&Slot = StringCache[String];
-
- // Return Constant if previously defined.
- if (Slot) return Slot;
-
- const PointerType *DestTy = PointerType::getUnqual(Type::Int8Ty);
-
- // If empty string then use a i8* null instead.
- if (String.empty())
- return Slot = ConstantPointerNull::get(DestTy);
-
- // Construct string as an llvm constant.
- Constant *ConstStr = ConstantArray::get(String);
-
- // Otherwise create and return a new string global.
- GlobalVariable *StrGV = new GlobalVariable(ConstStr->getType(), true,
- GlobalVariable::InternalLinkage,
- ConstStr, ".str", &M);
- StrGV->setSection("llvm.metadata");
- return Slot = ConstantExpr::getBitCast(StrGV, DestTy);
+ return ConstantInt::get(Type::getInt32Ty(VMContext), TAG | LLVMDebugVersion);
}
//===----------------------------------------------------------------------===//
// DIFactory: Primary Constructors
//===----------------------------------------------------------------------===//
-/// GetOrCreateArray - Create an descriptor for an array of descriptors.
+/// GetOrCreateArray - Create an descriptor for an array of descriptors.
/// This implicitly uniques the arrays created.
DIArray DIFactory::GetOrCreateArray(DIDescriptor *Tys, unsigned NumTys) {
- SmallVector<Constant*, 16> Elts;
-
- for (unsigned i = 0; i != NumTys; ++i)
- Elts.push_back(getCastToEmpty(Tys[i]));
-
- Constant *Init = ConstantArray::get(ArrayType::get(EmptyStructPtr,
- Elts.size()),
- Elts.data(), Elts.size());
- // If we already have this array, just return the uniqued version.
- DIDescriptor &Entry = SimpleConstantCache[Init];
- if (!Entry.isNull()) return DIArray(Entry.getGV());
-
- GlobalVariable *GV = new GlobalVariable(Init->getType(), true,
- GlobalValue::InternalLinkage,
- Init, "llvm.dbg.array", &M);
- GV->setSection("llvm.metadata");
- Entry = DIDescriptor(GV);
- return DIArray(GV);
+ SmallVector<Value*, 16> Elts;
+
+ if (NumTys == 0)
+ Elts.push_back(llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)));
+ else
+ for (unsigned i = 0; i != NumTys; ++i)
+ Elts.push_back(Tys[i].getNode());
+
+ return DIArray(MDNode::get(VMContext,Elts.data(), Elts.size()));
}
/// GetOrCreateSubrange - Create a descriptor for a value range. This
/// implicitly uniques the values returned.
DISubrange DIFactory::GetOrCreateSubrange(int64_t Lo, int64_t Hi) {
- Constant *Elts[] = {
+ Value *Elts[] = {
GetTagConstant(dwarf::DW_TAG_subrange_type),
- ConstantInt::get(Type::Int64Ty, Lo),
- ConstantInt::get(Type::Int64Ty, Hi)
+ ConstantInt::get(Type::getInt64Ty(VMContext), Lo),
+ ConstantInt::get(Type::getInt64Ty(VMContext), Hi)
};
-
- Constant *Init = ConstantStruct::get(Elts, sizeof(Elts)/sizeof(Elts[0]));
-
- // If we already have this range, just return the uniqued version.
- DIDescriptor &Entry = SimpleConstantCache[Init];
- if (!Entry.isNull()) return DISubrange(Entry.getGV());
-
- M.addTypeName("llvm.dbg.subrange.type", Init->getType());
- GlobalVariable *GV = new GlobalVariable(Init->getType(), true,
- GlobalValue::InternalLinkage,
- Init, "llvm.dbg.subrange", &M);
- GV->setSection("llvm.metadata");
- Entry = DIDescriptor(GV);
- return DISubrange(GV);
+ return DISubrange(MDNode::get(VMContext, &Elts[0], 3));
}
@@ -552,92 +637,69 @@ DISubrange DIFactory::GetOrCreateSubrange(int64_t Lo, int64_t Hi) {
/// CreateCompileUnit - Create a new descriptor for the specified compile
/// unit. Note that this does not unique compile units within the module.
DICompileUnit DIFactory::CreateCompileUnit(unsigned LangID,
- const std::string &Filename,
- const std::string &Directory,
- const std::string &Producer,
+ StringRef Filename,
+ StringRef Directory,
+ StringRef Producer,
bool isMain,
bool isOptimized,
const char *Flags,
unsigned RunTimeVer) {
- Constant *Elts[] = {
+ Value *Elts[] = {
GetTagConstant(dwarf::DW_TAG_compile_unit),
- Constant::getNullValue(EmptyStructPtr),
- ConstantInt::get(Type::Int32Ty, LangID),
- GetStringConstant(Filename),
- GetStringConstant(Directory),
- GetStringConstant(Producer),
- ConstantInt::get(Type::Int1Ty, isMain),
- ConstantInt::get(Type::Int1Ty, isOptimized),
- GetStringConstant(Flags),
- ConstantInt::get(Type::Int32Ty, RunTimeVer)
+ llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
+ ConstantInt::get(Type::getInt32Ty(VMContext), LangID),
+ MDString::get(VMContext, Filename),
+ MDString::get(VMContext, Directory),
+ MDString::get(VMContext, Producer),
+ ConstantInt::get(Type::getInt1Ty(VMContext), isMain),
+ ConstantInt::get(Type::getInt1Ty(VMContext), isOptimized),
+ MDString::get(VMContext, Flags),
+ ConstantInt::get(Type::getInt32Ty(VMContext), RunTimeVer)
};
-
- Constant *Init = ConstantStruct::get(Elts, sizeof(Elts)/sizeof(Elts[0]));
-
- M.addTypeName("llvm.dbg.compile_unit.type", Init->getType());
- GlobalVariable *GV = new GlobalVariable(Init->getType(), true,
- GlobalValue::LinkOnceAnyLinkage,
- Init, "llvm.dbg.compile_unit", &M);
- GV->setSection("llvm.metadata");
- return DICompileUnit(GV);
+
+ return DICompileUnit(MDNode::get(VMContext, &Elts[0], 10));
}
/// CreateEnumerator - Create a single enumerator value.
-DIEnumerator DIFactory::CreateEnumerator(const std::string &Name, uint64_t Val){
- Constant *Elts[] = {
+DIEnumerator DIFactory::CreateEnumerator(StringRef Name, uint64_t Val){
+ Value *Elts[] = {
GetTagConstant(dwarf::DW_TAG_enumerator),
- GetStringConstant(Name),
- ConstantInt::get(Type::Int64Ty, Val)
+ MDString::get(VMContext, Name),
+ ConstantInt::get(Type::getInt64Ty(VMContext), Val)
};
-
- Constant *Init = ConstantStruct::get(Elts, sizeof(Elts)/sizeof(Elts[0]));
-
- M.addTypeName("llvm.dbg.enumerator.type", Init->getType());
- GlobalVariable *GV = new GlobalVariable(Init->getType(), true,
- GlobalValue::InternalLinkage,
- Init, "llvm.dbg.enumerator", &M);
- GV->setSection("llvm.metadata");
- return DIEnumerator(GV);
+ return DIEnumerator(MDNode::get(VMContext, &Elts[0], 3));
}
/// CreateBasicType - Create a basic type like int, float, etc.
DIBasicType DIFactory::CreateBasicType(DIDescriptor Context,
- const std::string &Name,
+ StringRef Name,
DICompileUnit CompileUnit,
unsigned LineNumber,
uint64_t SizeInBits,
uint64_t AlignInBits,
uint64_t OffsetInBits, unsigned Flags,
unsigned Encoding) {
- Constant *Elts[] = {
+ Value *Elts[] = {
GetTagConstant(dwarf::DW_TAG_base_type),
- getCastToEmpty(Context),
- GetStringConstant(Name),
- getCastToEmpty(CompileUnit),
- ConstantInt::get(Type::Int32Ty, LineNumber),
- ConstantInt::get(Type::Int64Ty, SizeInBits),
- ConstantInt::get(Type::Int64Ty, AlignInBits),
- ConstantInt::get(Type::Int64Ty, OffsetInBits),
- ConstantInt::get(Type::Int32Ty, Flags),
- ConstantInt::get(Type::Int32Ty, Encoding)
+ Context.getNode(),
+ MDString::get(VMContext, Name),
+ CompileUnit.getNode(),
+ ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
+ ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
+ ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
+ ConstantInt::get(Type::getInt64Ty(VMContext), OffsetInBits),
+ ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
+ ConstantInt::get(Type::getInt32Ty(VMContext), Encoding)
};
-
- Constant *Init = ConstantStruct::get(Elts, sizeof(Elts)/sizeof(Elts[0]));
-
- M.addTypeName("llvm.dbg.basictype.type", Init->getType());
- GlobalVariable *GV = new GlobalVariable(Init->getType(), true,
- GlobalValue::InternalLinkage,
- Init, "llvm.dbg.basictype", &M);
- GV->setSection("llvm.metadata");
- return DIBasicType(GV);
+ return DIBasicType(MDNode::get(VMContext, &Elts[0], 10));
}
/// CreateDerivedType - Create a derived type like const qualified type,
/// pointer, typedef, etc.
DIDerivedType DIFactory::CreateDerivedType(unsigned Tag,
DIDescriptor Context,
- const std::string &Name,
+ StringRef Name,
DICompileUnit CompileUnit,
unsigned LineNumber,
uint64_t SizeInBits,
@@ -645,33 +707,25 @@ DIDerivedType DIFactory::CreateDerivedType(unsigned Tag,
uint64_t OffsetInBits,
unsigned Flags,
DIType DerivedFrom) {
- Constant *Elts[] = {
+ Value *Elts[] = {
GetTagConstant(Tag),
- getCastToEmpty(Context),
- GetStringConstant(Name),
- getCastToEmpty(CompileUnit),
- ConstantInt::get(Type::Int32Ty, LineNumber),
- ConstantInt::get(Type::Int64Ty, SizeInBits),
- ConstantInt::get(Type::Int64Ty, AlignInBits),
- ConstantInt::get(Type::Int64Ty, OffsetInBits),
- ConstantInt::get(Type::Int32Ty, Flags),
- getCastToEmpty(DerivedFrom)
+ Context.getNode(),
+ MDString::get(VMContext, Name),
+ CompileUnit.getNode(),
+ ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
+ ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
+ ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
+ ConstantInt::get(Type::getInt64Ty(VMContext), OffsetInBits),
+ ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
+ DerivedFrom.getNode(),
};
-
- Constant *Init = ConstantStruct::get(Elts, sizeof(Elts)/sizeof(Elts[0]));
-
- M.addTypeName("llvm.dbg.derivedtype.type", Init->getType());
- GlobalVariable *GV = new GlobalVariable(Init->getType(), true,
- GlobalValue::InternalLinkage,
- Init, "llvm.dbg.derivedtype", &M);
- GV->setSection("llvm.metadata");
- return DIDerivedType(GV);
+ return DIDerivedType(MDNode::get(VMContext, &Elts[0], 10));
}
/// CreateCompositeType - Create a composite type like array, struct, etc.
DICompositeType DIFactory::CreateCompositeType(unsigned Tag,
DIDescriptor Context,
- const std::string &Name,
+ StringRef Name,
DICompileUnit CompileUnit,
unsigned LineNumber,
uint64_t SizeInBits,
@@ -682,143 +736,143 @@ DICompositeType DIFactory::CreateCompositeType(unsigned Tag,
DIArray Elements,
unsigned RuntimeLang) {
- Constant *Elts[] = {
+ Value *Elts[] = {
GetTagConstant(Tag),
- getCastToEmpty(Context),
- GetStringConstant(Name),
- getCastToEmpty(CompileUnit),
- ConstantInt::get(Type::Int32Ty, LineNumber),
- ConstantInt::get(Type::Int64Ty, SizeInBits),
- ConstantInt::get(Type::Int64Ty, AlignInBits),
- ConstantInt::get(Type::Int64Ty, OffsetInBits),
- ConstantInt::get(Type::Int32Ty, Flags),
- getCastToEmpty(DerivedFrom),
- getCastToEmpty(Elements),
- ConstantInt::get(Type::Int32Ty, RuntimeLang)
+ Context.getNode(),
+ MDString::get(VMContext, Name),
+ CompileUnit.getNode(),
+ ConstantInt::get(Type::getInt32Ty(VMContext), LineNumber),
+ ConstantInt::get(Type::getInt64Ty(VMContext), SizeInBits),
+ ConstantInt::get(Type::getInt64Ty(VMContext), AlignInBits),
+ ConstantInt::get(Type::getInt64Ty(VMContext), OffsetInBits),
+ ConstantInt::get(Type::getInt32Ty(VMContext), Flags),
+ DerivedFrom.getNode(),
+ Elements.getNode(),
+ ConstantInt::get(Type::getInt32Ty(VMContext), RuntimeLang)
};
-
- Constant *Init = ConstantStruct::get(Elts, sizeof(Elts)/sizeof(Elts[0]));
-
- M.addTypeName("llvm.dbg.composite.type", Init->getType());
- GlobalVariable *GV = new GlobalVariable(Init->getType(), true,
- GlobalValue::InternalLinkage,
- Init, "llvm.dbg.composite", &M);
- GV->setSection("llvm.metadata");
- return DICompositeType(GV);
+ return DICompositeType(MDNode::get(VMContext, &Elts[0], 12));
}
/// CreateSubprogram - Create a new descriptor for the specified subprogram.
/// See comments in DISubprogram for descriptions of these fields. This
/// method does not unique the generated descriptors.
-DISubprogram DIFactory::CreateSubprogram(DIDescriptor Context,
- const std::string &Name,
- const std::string &DisplayName,
- const std::string &LinkageName,
+DISubprogram DIFactory::CreateSubprogram(DIDescriptor Context,
+ StringRef Name,
+ StringRef DisplayName,
+ StringRef LinkageName,
DICompileUnit CompileUnit,
unsigned LineNo, DIType Type,
bool isLocalToUnit,
bool isDefinition) {
- Constant *Elts[] = {
+ Value *Elts[] = {
GetTagConstant(dwarf::DW_TAG_subprogram),
- Constant::getNullValue(EmptyStructPtr),
- getCastToEmpty(Context),
- GetStringConstant(Name),
- GetStringConstant(DisplayName),
- GetStringConstant(LinkageName),
- getCastToEmpty(CompileUnit),
- ConstantInt::get(Type::Int32Ty, LineNo),
- getCastToEmpty(Type),
- ConstantInt::get(Type::Int1Ty, isLocalToUnit),
- ConstantInt::get(Type::Int1Ty, isDefinition)
+ llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
+ Context.getNode(),
+ MDString::get(VMContext, Name),
+ MDString::get(VMContext, DisplayName),
+ MDString::get(VMContext, LinkageName),
+ CompileUnit.getNode(),
+ ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
+ Type.getNode(),
+ ConstantInt::get(Type::getInt1Ty(VMContext), isLocalToUnit),
+ ConstantInt::get(Type::getInt1Ty(VMContext), isDefinition)
};
-
- Constant *Init = ConstantStruct::get(Elts, sizeof(Elts)/sizeof(Elts[0]));
-
- M.addTypeName("llvm.dbg.subprogram.type", Init->getType());
- GlobalVariable *GV = new GlobalVariable(Init->getType(), true,
- GlobalValue::LinkOnceAnyLinkage,
- Init, "llvm.dbg.subprogram", &M);
- GV->setSection("llvm.metadata");
- return DISubprogram(GV);
+ return DISubprogram(MDNode::get(VMContext, &Elts[0], 11));
}
/// CreateGlobalVariable - Create a new descriptor for the specified global.
DIGlobalVariable
-DIFactory::CreateGlobalVariable(DIDescriptor Context, const std::string &Name,
- const std::string &DisplayName,
- const std::string &LinkageName,
+DIFactory::CreateGlobalVariable(DIDescriptor Context, StringRef Name,
+ StringRef DisplayName,
+ StringRef LinkageName,
DICompileUnit CompileUnit,
unsigned LineNo, DIType Type,bool isLocalToUnit,
bool isDefinition, llvm::GlobalVariable *Val) {
- Constant *Elts[] = {
+ Value *Elts[] = {
GetTagConstant(dwarf::DW_TAG_variable),
- Constant::getNullValue(EmptyStructPtr),
- getCastToEmpty(Context),
- GetStringConstant(Name),
- GetStringConstant(DisplayName),
- GetStringConstant(LinkageName),
- getCastToEmpty(CompileUnit),
- ConstantInt::get(Type::Int32Ty, LineNo),
- getCastToEmpty(Type),
- ConstantInt::get(Type::Int1Ty, isLocalToUnit),
- ConstantInt::get(Type::Int1Ty, isDefinition),
- ConstantExpr::getBitCast(Val, EmptyStructPtr)
+ llvm::Constant::getNullValue(Type::getInt32Ty(VMContext)),
+ Context.getNode(),
+ MDString::get(VMContext, Name),
+ MDString::get(VMContext, DisplayName),
+ MDString::get(VMContext, LinkageName),
+ CompileUnit.getNode(),
+ ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
+ Type.getNode(),
+ ConstantInt::get(Type::getInt1Ty(VMContext), isLocalToUnit),
+ ConstantInt::get(Type::getInt1Ty(VMContext), isDefinition),
+ Val
};
-
- Constant *Init = ConstantStruct::get(Elts, sizeof(Elts)/sizeof(Elts[0]));
-
- M.addTypeName("llvm.dbg.global_variable.type", Init->getType());
- GlobalVariable *GV = new GlobalVariable(Init->getType(), true,
- GlobalValue::LinkOnceAnyLinkage,
- Init, "llvm.dbg.global_variable", &M);
- GV->setSection("llvm.metadata");
- return DIGlobalVariable(GV);
+
+ Value *const *Vs = &Elts[0];
+ MDNode *Node = MDNode::get(VMContext,Vs, 12);
+
+ // Create a named metadata so that we do not lose this mdnode.
+ NamedMDNode *NMD = M.getOrInsertNamedMetadata("llvm.dbg.gv");
+ NMD->addElement(Node);
+
+ return DIGlobalVariable(Node);
}
/// CreateVariable - Create a new descriptor for the specified variable.
DIVariable DIFactory::CreateVariable(unsigned Tag, DIDescriptor Context,
- const std::string &Name,
+ StringRef Name,
DICompileUnit CompileUnit, unsigned LineNo,
DIType Type) {
- Constant *Elts[] = {
+ Value *Elts[] = {
GetTagConstant(Tag),
- getCastToEmpty(Context),
- GetStringConstant(Name),
- getCastToEmpty(CompileUnit),
- ConstantInt::get(Type::Int32Ty, LineNo),
- getCastToEmpty(Type)
+ Context.getNode(),
+ MDString::get(VMContext, Name),
+ CompileUnit.getNode(),
+ ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
+ Type.getNode(),
};
-
- Constant *Init = ConstantStruct::get(Elts, sizeof(Elts)/sizeof(Elts[0]));
-
- M.addTypeName("llvm.dbg.variable.type", Init->getType());
- GlobalVariable *GV = new GlobalVariable(Init->getType(), true,
- GlobalValue::InternalLinkage,
- Init, "llvm.dbg.variable", &M);
- GV->setSection("llvm.metadata");
- return DIVariable(GV);
+ return DIVariable(MDNode::get(VMContext, &Elts[0], 6));
+}
+
+
+/// CreateComplexVariable - Create a new descriptor for the specified variable
+/// which has a complex address expression for its address.
+DIVariable DIFactory::CreateComplexVariable(unsigned Tag, DIDescriptor Context,
+ const std::string &Name,
+ DICompileUnit CompileUnit,
+ unsigned LineNo,
+ DIType Type, SmallVector<Value *, 9> &addr) {
+ SmallVector<Value *, 9> Elts;
+ Elts.push_back(GetTagConstant(Tag));
+ Elts.push_back(Context.getNode());
+ Elts.push_back(MDString::get(VMContext, Name));
+ Elts.push_back(CompileUnit.getNode());
+ Elts.push_back(ConstantInt::get(Type::getInt32Ty(VMContext), LineNo));
+ Elts.push_back(Type.getNode());
+ Elts.insert(Elts.end(), addr.begin(), addr.end());
+
+ return DIVariable(MDNode::get(VMContext, &Elts[0], 6+addr.size()));
}
/// CreateBlock - This creates a descriptor for a lexical block with the
-/// specified parent context.
-DIBlock DIFactory::CreateBlock(DIDescriptor Context) {
- Constant *Elts[] = {
+/// specified parent VMContext.
+DILexicalBlock DIFactory::CreateLexicalBlock(DIDescriptor Context) {
+ Value *Elts[] = {
GetTagConstant(dwarf::DW_TAG_lexical_block),
- getCastToEmpty(Context)
+ Context.getNode()
+ };
+ return DILexicalBlock(MDNode::get(VMContext, &Elts[0], 2));
+}
+
+/// CreateLocation - Creates a debug info location.
+DILocation DIFactory::CreateLocation(unsigned LineNo, unsigned ColumnNo,
+ DIScope S, DILocation OrigLoc) {
+ Value *Elts[] = {
+ ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
+ ConstantInt::get(Type::getInt32Ty(VMContext), ColumnNo),
+ S.getNode(),
+ OrigLoc.getNode(),
};
-
- Constant *Init = ConstantStruct::get(Elts, sizeof(Elts)/sizeof(Elts[0]));
-
- M.addTypeName("llvm.dbg.block.type", Init->getType());
- GlobalVariable *GV = new GlobalVariable(Init->getType(), true,
- GlobalValue::InternalLinkage,
- Init, "llvm.dbg.block", &M);
- GV->setSection("llvm.metadata");
- return DIBlock(GV);
+ return DILocation(MDNode::get(VMContext, &Elts[0], 4));
}
@@ -830,17 +884,17 @@ DIBlock DIFactory::CreateBlock(DIDescriptor Context) {
/// inserting it at the end of the specified basic block.
void DIFactory::InsertStopPoint(DICompileUnit CU, unsigned LineNo,
unsigned ColNo, BasicBlock *BB) {
-
+
// Lazily construct llvm.dbg.stoppoint function.
if (!StopPointFn)
- StopPointFn = llvm::Intrinsic::getDeclaration(&M,
+ StopPointFn = llvm::Intrinsic::getDeclaration(&M,
llvm::Intrinsic::dbg_stoppoint);
-
+
// Invoke llvm.dbg.stoppoint
Value *Args[] = {
- llvm::ConstantInt::get(llvm::Type::Int32Ty, LineNo),
- llvm::ConstantInt::get(llvm::Type::Int32Ty, ColNo),
- getCastToEmpty(CU)
+ ConstantInt::get(llvm::Type::getInt32Ty(VMContext), LineNo),
+ ConstantInt::get(llvm::Type::getInt32Ty(VMContext), ColNo),
+ CU.getNode()
};
CallInst::Create(StopPointFn, Args, Args+3, "", BB);
}
@@ -851,9 +905,9 @@ void DIFactory::InsertSubprogramStart(DISubprogram SP, BasicBlock *BB) {
// Lazily construct llvm.dbg.func.start.
if (!FuncStartFn)
FuncStartFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_func_start);
-
+
// Call llvm.dbg.func.start which also implicitly sets a stoppoint.
- CallInst::Create(FuncStartFn, getCastToEmpty(SP), "", BB);
+ CallInst::Create(FuncStartFn, SP.getNode(), "", BB);
}
/// InsertRegionStart - Insert a new llvm.dbg.region.start intrinsic call to
@@ -864,7 +918,7 @@ void DIFactory::InsertRegionStart(DIDescriptor D, BasicBlock *BB) {
RegionStartFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_region_start);
// Call llvm.dbg.func.start.
- CallInst::Create(RegionStartFn, getCastToEmpty(D), "", BB);
+ CallInst::Create(RegionStartFn, D.getNode(), "", BB);
}
/// InsertRegionEnd - Insert a new llvm.dbg.region.end intrinsic call to
@@ -875,19 +929,220 @@ void DIFactory::InsertRegionEnd(DIDescriptor D, BasicBlock *BB) {
RegionEndFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_region_end);
// Call llvm.dbg.region.end.
- CallInst::Create(RegionEndFn, getCastToEmpty(D), "", BB);
+ CallInst::Create(RegionEndFn, D.getNode(), "", BB);
}
/// InsertDeclare - Insert a new llvm.dbg.declare intrinsic call.
-void DIFactory::InsertDeclare(Value *Storage, DIVariable D, BasicBlock *BB) {
+void DIFactory::InsertDeclare(Value *Storage, DIVariable D,
+ Instruction *InsertBefore) {
// Cast the storage to a {}* for the call to llvm.dbg.declare.
- Storage = new BitCastInst(Storage, EmptyStructPtr, "", BB);
-
+ Storage = new BitCastInst(Storage, EmptyStructPtr, "", InsertBefore);
+
if (!DeclareFn)
DeclareFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_declare);
- Value *Args[] = { Storage, getCastToEmpty(D) };
- CallInst::Create(DeclareFn, Args, Args+2, "", BB);
+ Value *Args[] = { Storage, D.getNode() };
+ CallInst::Create(DeclareFn, Args, Args+2, "", InsertBefore);
+}
+
+/// InsertDeclare - Insert a new llvm.dbg.declare intrinsic call.
+void DIFactory::InsertDeclare(Value *Storage, DIVariable D,
+ BasicBlock *InsertAtEnd) {
+ // Cast the storage to a {}* for the call to llvm.dbg.declare.
+ Storage = new BitCastInst(Storage, EmptyStructPtr, "", InsertAtEnd);
+
+ if (!DeclareFn)
+ DeclareFn = Intrinsic::getDeclaration(&M, Intrinsic::dbg_declare);
+
+ Value *Args[] = { Storage, D.getNode() };
+ CallInst::Create(DeclareFn, Args, Args+2, "", InsertAtEnd);
+}
+
+
+//===----------------------------------------------------------------------===//
+// DebugInfoFinder implementations.
+//===----------------------------------------------------------------------===//
+
+/// processModule - Process entire module and collect debug info.
+void DebugInfoFinder::processModule(Module &M) {
+
+#ifdef ATTACH_DEBUG_INFO_TO_AN_INSN
+ MetadataContext &TheMetadata = M.getContext().getMetadata();
+ unsigned MDDbgKind = TheMetadata.getMDKind("dbg");
+#endif
+ for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I)
+ for (Function::iterator FI = (*I).begin(), FE = (*I).end(); FI != FE; ++FI)
+ for (BasicBlock::iterator BI = (*FI).begin(), BE = (*FI).end(); BI != BE;
+ ++BI) {
+ if (DbgStopPointInst *SPI = dyn_cast<DbgStopPointInst>(BI))
+ processStopPoint(SPI);
+ else if (DbgFuncStartInst *FSI = dyn_cast<DbgFuncStartInst>(BI))
+ processFuncStart(FSI);
+ else if (DbgRegionStartInst *DRS = dyn_cast<DbgRegionStartInst>(BI))
+ processRegionStart(DRS);
+ else if (DbgRegionEndInst *DRE = dyn_cast<DbgRegionEndInst>(BI))
+ processRegionEnd(DRE);
+ else if (DbgDeclareInst *DDI = dyn_cast<DbgDeclareInst>(BI))
+ processDeclare(DDI);
+#ifdef ATTACH_DEBUG_INFO_TO_AN_INSN
+ else if (MDDbgKind) {
+ if (MDNode *L = TheMetadata.getMD(MDDbgKind, BI)) {
+ DILocation Loc(L);
+ DIScope S(Loc.getScope().getNode());
+ if (S.isCompileUnit())
+ addCompileUnit(DICompileUnit(S.getNode()));
+ else if (S.isSubprogram())
+ processSubprogram(DISubprogram(S.getNode()));
+ else if (S.isLexicalBlock())
+ processLexicalBlock(DILexicalBlock(S.getNode()));
+ }
+ }
+#endif
+ }
+
+ NamedMDNode *NMD = M.getNamedMetadata("llvm.dbg.gv");
+ if (!NMD)
+ return;
+
+ for (unsigned i = 0, e = NMD->getNumElements(); i != e; ++i) {
+ DIGlobalVariable DIG(cast<MDNode>(NMD->getElement(i)));
+ if (addGlobalVariable(DIG)) {
+ addCompileUnit(DIG.getCompileUnit());
+ processType(DIG.getType());
+ }
+ }
+}
+
+/// processType - Process DIType.
+void DebugInfoFinder::processType(DIType DT) {
+ if (!addType(DT))
+ return;
+
+ addCompileUnit(DT.getCompileUnit());
+ if (DT.isCompositeType()) {
+ DICompositeType DCT(DT.getNode());
+ processType(DCT.getTypeDerivedFrom());
+ DIArray DA = DCT.getTypeArray();
+ if (!DA.isNull())
+ for (unsigned i = 0, e = DA.getNumElements(); i != e; ++i) {
+ DIDescriptor D = DA.getElement(i);
+ DIType TypeE = DIType(D.getNode());
+ if (!TypeE.isNull())
+ processType(TypeE);
+ else
+ processSubprogram(DISubprogram(D.getNode()));
+ }
+ } else if (DT.isDerivedType()) {
+ DIDerivedType DDT(DT.getNode());
+ if (!DDT.isNull())
+ processType(DDT.getTypeDerivedFrom());
+ }
+}
+
+/// processLexicalBlock
+void DebugInfoFinder::processLexicalBlock(DILexicalBlock LB) {
+ if (LB.isNull())
+ return;
+ DIScope Context = LB.getContext();
+ if (Context.isLexicalBlock())
+ return processLexicalBlock(DILexicalBlock(Context.getNode()));
+ else
+ return processSubprogram(DISubprogram(Context.getNode()));
+}
+
+/// processSubprogram - Process DISubprogram.
+void DebugInfoFinder::processSubprogram(DISubprogram SP) {
+ if (SP.isNull())
+ return;
+ if (!addSubprogram(SP))
+ return;
+ addCompileUnit(SP.getCompileUnit());
+ processType(SP.getType());
+}
+
+/// processStopPoint - Process DbgStopPointInst.
+void DebugInfoFinder::processStopPoint(DbgStopPointInst *SPI) {
+ MDNode *Context = dyn_cast<MDNode>(SPI->getContext());
+ addCompileUnit(DICompileUnit(Context));
+}
+
+/// processFuncStart - Process DbgFuncStartInst.
+void DebugInfoFinder::processFuncStart(DbgFuncStartInst *FSI) {
+ MDNode *SP = dyn_cast<MDNode>(FSI->getSubprogram());
+ processSubprogram(DISubprogram(SP));
+}
+
+/// processRegionStart - Process DbgRegionStart.
+void DebugInfoFinder::processRegionStart(DbgRegionStartInst *DRS) {
+ MDNode *SP = dyn_cast<MDNode>(DRS->getContext());
+ processSubprogram(DISubprogram(SP));
+}
+
+/// processRegionEnd - Process DbgRegionEnd.
+void DebugInfoFinder::processRegionEnd(DbgRegionEndInst *DRE) {
+ MDNode *SP = dyn_cast<MDNode>(DRE->getContext());
+ processSubprogram(DISubprogram(SP));
+}
+
+/// processDeclare - Process DbgDeclareInst.
+void DebugInfoFinder::processDeclare(DbgDeclareInst *DDI) {
+ DIVariable DV(cast<MDNode>(DDI->getVariable()));
+ if (DV.isNull())
+ return;
+
+ if (!NodesSeen.insert(DV.getNode()))
+ return;
+
+ addCompileUnit(DV.getCompileUnit());
+ processType(DV.getType());
+}
+
+/// addType - Add type into Tys.
+bool DebugInfoFinder::addType(DIType DT) {
+ if (DT.isNull())
+ return false;
+
+ if (!NodesSeen.insert(DT.getNode()))
+ return false;
+
+ TYs.push_back(DT.getNode());
+ return true;
+}
+
+/// addCompileUnit - Add compile unit into CUs.
+bool DebugInfoFinder::addCompileUnit(DICompileUnit CU) {
+ if (CU.isNull())
+ return false;
+
+ if (!NodesSeen.insert(CU.getNode()))
+ return false;
+
+ CUs.push_back(CU.getNode());
+ return true;
+}
+
+/// addGlobalVariable - Add global variable into GVs.
+bool DebugInfoFinder::addGlobalVariable(DIGlobalVariable DIG) {
+ if (DIG.isNull())
+ return false;
+
+ if (!NodesSeen.insert(DIG.getNode()))
+ return false;
+
+ GVs.push_back(DIG.getNode());
+ return true;
+}
+
+// addSubprogram - Add subprgoram into SPs.
+bool DebugInfoFinder::addSubprogram(DISubprogram SP) {
+ if (SP.isNull())
+ return false;
+
+ if (!NodesSeen.insert(SP.getNode()))
+ return false;
+
+ SPs.push_back(SP.getNode());
+ return true;
}
namespace llvm {
@@ -939,30 +1194,17 @@ namespace llvm {
Value *findDbgGlobalDeclare(GlobalVariable *V) {
const Module *M = V->getParent();
- const Type *Ty = M->getTypeByName("llvm.dbg.global_variable.type");
- if (!Ty) return 0;
-
- Ty = PointerType::get(Ty, 0);
-
- Value *Val = V->stripPointerCasts();
- for (Value::use_iterator I = Val->use_begin(), E = Val->use_end();
- I != E; ++I) {
- if (ConstantExpr *CE = dyn_cast<ConstantExpr>(I)) {
- if (CE->getOpcode() == Instruction::BitCast) {
- Value *VV = CE;
-
- while (VV->hasOneUse())
- VV = *VV->use_begin();
+ NamedMDNode *NMD = M->getNamedMetadata("llvm.dbg.gv");
+ if (!NMD)
+ return 0;
- if (VV->getType() == Ty)
- return VV;
- }
- }
+ for (unsigned i = 0, e = NMD->getNumElements(); i != e; ++i) {
+ DIGlobalVariable DIG(cast_or_null<MDNode>(NMD->getElement(i)));
+ if (DIG.isNull())
+ continue;
+ if (DIG.getGlobal() == V)
+ return DIG.getNode();
}
-
- if (Val->getType() == Ty)
- return Val;
-
return 0;
}
@@ -990,8 +1232,8 @@ namespace llvm {
return 0;
}
- bool getLocationInfo(const Value *V, std::string &DisplayName,
- std::string &Type, unsigned &LineNo, std::string &File,
+bool getLocationInfo(const Value *V, std::string &DisplayName,
+ std::string &Type, unsigned &LineNo, std::string &File,
std::string &Dir) {
DICompileUnit Unit;
DIType TypeD;
@@ -999,81 +1241,56 @@ namespace llvm {
if (GlobalVariable *GV = dyn_cast<GlobalVariable>(const_cast<Value*>(V))) {
Value *DIGV = findDbgGlobalDeclare(GV);
if (!DIGV) return false;
- DIGlobalVariable Var(cast<GlobalVariable>(DIGV));
+ DIGlobalVariable Var(cast<MDNode>(DIGV));
- Var.getDisplayName(DisplayName);
+ if (const char *D = Var.getDisplayName())
+ DisplayName = D;
LineNo = Var.getLineNumber();
Unit = Var.getCompileUnit();
TypeD = Var.getType();
} else {
const DbgDeclareInst *DDI = findDbgDeclare(V);
if (!DDI) return false;
- DIVariable Var(cast<GlobalVariable>(DDI->getVariable()));
+ DIVariable Var(cast<MDNode>(DDI->getVariable()));
- Var.getName(DisplayName);
+ if (const char *D = Var.getName())
+ DisplayName = D;
LineNo = Var.getLineNumber();
Unit = Var.getCompileUnit();
TypeD = Var.getType();
}
- TypeD.getName(Type);
- Unit.getFilename(File);
- Unit.getDirectory(Dir);
+ if (const char *T = TypeD.getName())
+ Type = T;
+ if (const char *F = Unit.getFilename())
+ File = F;
+ if (const char *D = Unit.getDirectory())
+ Dir = D;
return true;
}
- /// CollectDebugInfoAnchors - Collect debugging information anchors.
- void CollectDebugInfoAnchors(Module &M,
- SmallVector<GlobalVariable *, 2> &CUs,
- SmallVector<GlobalVariable *, 4> &GVs,
- SmallVector<GlobalVariable *, 4> &SPs) {
-
- for (Module::global_iterator GVI = M.global_begin(), E = M.global_end();
- GVI != E; GVI++) {
- GlobalVariable *GV = GVI;
- if (GV->hasName() && strncmp(GV->getNameStart(), "llvm.dbg", 8) == 0
- && GV->isConstant() && GV->hasInitializer()) {
- DICompileUnit C(GV);
- if (C.isNull() == false) {
- CUs.push_back(GV);
- continue;
- }
- DIGlobalVariable G(GV);
- if (G.isNull() == false) {
- GVs.push_back(GV);
- continue;
- }
- DISubprogram S(GV);
- if (S.isNull() == false) {
- SPs.push_back(GV);
- continue;
- }
- }
- }
- }
-
- /// isValidDebugInfoIntrinsic - Return true if SPI is a valid debug
+ /// isValidDebugInfoIntrinsic - Return true if SPI is a valid debug
/// info intrinsic.
- bool isValidDebugInfoIntrinsic(DbgStopPointInst &SPI,
+ bool isValidDebugInfoIntrinsic(DbgStopPointInst &SPI,
CodeGenOpt::Level OptLev) {
return DIDescriptor::ValidDebugInfo(SPI.getContext(), OptLev);
}
- /// isValidDebugInfoIntrinsic - Return true if FSI is a valid debug
+ /// isValidDebugInfoIntrinsic - Return true if FSI is a valid debug
/// info intrinsic.
bool isValidDebugInfoIntrinsic(DbgFuncStartInst &FSI,
CodeGenOpt::Level OptLev) {
return DIDescriptor::ValidDebugInfo(FSI.getSubprogram(), OptLev);
}
- /// isValidDebugInfoIntrinsic - Return true if RSI is a valid debug
+ /// isValidDebugInfoIntrinsic - Return true if RSI is a valid debug
/// info intrinsic.
bool isValidDebugInfoIntrinsic(DbgRegionStartInst &RSI,
CodeGenOpt::Level OptLev) {
return DIDescriptor::ValidDebugInfo(RSI.getContext(), OptLev);
}
- /// isValidDebugInfoIntrinsic - Return true if REI is a valid debug
+ /// isValidDebugInfoIntrinsic - Return true if REI is a valid debug
/// info intrinsic.
bool isValidDebugInfoIntrinsic(DbgRegionEndInst &REI,
CodeGenOpt::Level OptLev) {
@@ -1081,14 +1298,14 @@ namespace llvm {
}
- /// isValidDebugInfoIntrinsic - Return true if DI is a valid debug
+ /// isValidDebugInfoIntrinsic - Return true if DI is a valid debug
/// info intrinsic.
bool isValidDebugInfoIntrinsic(DbgDeclareInst &DI,
CodeGenOpt::Level OptLev) {
return DIDescriptor::ValidDebugInfo(DI.getVariable(), OptLev);
}
- /// ExtractDebugLocation - Extract debug location information
+ /// ExtractDebugLocation - Extract debug location information
/// from llvm.dbg.stoppoint intrinsic.
DebugLoc ExtractDebugLocation(DbgStopPointInst &SPI,
DebugLocTracker &DebugLocInfo) {
@@ -1096,7 +1313,7 @@ namespace llvm {
Value *Context = SPI.getContext();
// If this location is already tracked then use it.
- DebugLocTuple Tuple(cast<GlobalVariable>(Context), SPI.getLine(),
+ DebugLocTuple Tuple(cast<MDNode>(Context), NULL, SPI.getLine(),
SPI.getColumn());
DenseMap<DebugLocTuple, unsigned>::iterator II
= DebugLocInfo.DebugIdMap.find(Tuple);
@@ -1107,23 +1324,48 @@ namespace llvm {
unsigned Id = DebugLocInfo.DebugLocations.size();
DebugLocInfo.DebugLocations.push_back(Tuple);
DebugLocInfo.DebugIdMap[Tuple] = Id;
-
+
+ return DebugLoc::get(Id);
+ }
+
+ /// ExtractDebugLocation - Extract debug location information
+ /// from DILocation.
+ DebugLoc ExtractDebugLocation(DILocation &Loc,
+ DebugLocTracker &DebugLocInfo) {
+ DebugLoc DL;
+ MDNode *Context = Loc.getScope().getNode();
+ MDNode *InlinedLoc = NULL;
+ if (!Loc.getOrigLocation().isNull())
+ InlinedLoc = Loc.getOrigLocation().getNode();
+ // If this location is already tracked then use it.
+ DebugLocTuple Tuple(Context, InlinedLoc, Loc.getLineNumber(),
+ Loc.getColumnNumber());
+ DenseMap<DebugLocTuple, unsigned>::iterator II
+ = DebugLocInfo.DebugIdMap.find(Tuple);
+ if (II != DebugLocInfo.DebugIdMap.end())
+ return DebugLoc::get(II->second);
+
+ // Add a new location entry.
+ unsigned Id = DebugLocInfo.DebugLocations.size();
+ DebugLocInfo.DebugLocations.push_back(Tuple);
+ DebugLocInfo.DebugIdMap[Tuple] = Id;
+
return DebugLoc::get(Id);
}
- /// ExtractDebugLocation - Extract debug location information
+ /// ExtractDebugLocation - Extract debug location information
/// from llvm.dbg.func_start intrinsic.
DebugLoc ExtractDebugLocation(DbgFuncStartInst &FSI,
DebugLocTracker &DebugLocInfo) {
DebugLoc DL;
Value *SP = FSI.getSubprogram();
- DISubprogram Subprogram(cast<GlobalVariable>(SP));
+ DISubprogram Subprogram(cast<MDNode>(SP));
unsigned Line = Subprogram.getLineNumber();
DICompileUnit CU(Subprogram.getCompileUnit());
// If this location is already tracked then use it.
- DebugLocTuple Tuple(CU.getGV(), Line, /* Column */ 0);
+ DebugLocTuple Tuple(CU.getNode(), NULL, Line, /* Column */ 0);
DenseMap<DebugLocTuple, unsigned>::iterator II
= DebugLocInfo.DebugIdMap.find(Tuple);
if (II != DebugLocInfo.DebugIdMap.end())
@@ -1133,13 +1375,13 @@ namespace llvm {
unsigned Id = DebugLocInfo.DebugLocations.size();
DebugLocInfo.DebugLocations.push_back(Tuple);
DebugLocInfo.DebugIdMap[Tuple] = Id;
-
+
return DebugLoc::get(Id);
}
/// isInlinedFnStart - Return true if FSI is starting an inlined function.
bool isInlinedFnStart(DbgFuncStartInst &FSI, const Function *CurrentFn) {
- DISubprogram Subprogram(cast<GlobalVariable>(FSI.getSubprogram()));
+ DISubprogram Subprogram(cast<MDNode>(FSI.getSubprogram()));
if (Subprogram.describes(CurrentFn))
return false;
@@ -1148,11 +1390,10 @@ namespace llvm {
/// isInlinedFnEnd - Return true if REI is ending an inlined function.
bool isInlinedFnEnd(DbgRegionEndInst &REI, const Function *CurrentFn) {
- DISubprogram Subprogram(cast<GlobalVariable>(REI.getContext()));
+ DISubprogram Subprogram(cast<MDNode>(REI.getContext()));
if (Subprogram.isNull() || Subprogram.describes(CurrentFn))
return false;
return true;
}
-
}
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