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major cleanups, much of this file was incorrectly indented.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92262 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-12-29 09:22:47 +00:00
parent 784b850e32
commit 099b779a02
1 changed files with 287 additions and 317 deletions
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604
lib/Analysis/DebugInfo.cpp
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@ -46,8 +46,7 @@ bool DIDescriptor::ValidDebugInfo(MDNode *N, unsigned OptLevel) {
if (Version != LLVMDebugVersion && Version != LLVMDebugVersion6) if (Version != LLVMDebugVersion && Version != LLVMDebugVersion6)
return false; return false;
unsigned Tag = DI.getTag(); switch (DI.getTag()) {
switch (Tag) {
case DW_TAG_variable: case DW_TAG_variable:
assert(DIVariable(N).Verify() && "Invalid DebugInfo value"); assert(DIVariable(N).Verify() && "Invalid DebugInfo value");
break; break;
@ -128,18 +127,14 @@ GlobalVariable *DIDescriptor::getGlobalVariableField(unsigned Elt) const {
/// isBasicType - Return true if the specified tag is legal for /// isBasicType - Return true if the specified tag is legal for
/// DIBasicType. /// DIBasicType.
bool DIDescriptor::isBasicType() const { bool DIDescriptor::isBasicType() const {
assert (!isNull() && "Invalid descriptor!"); assert(!isNull() && "Invalid descriptor!");
unsigned Tag = getTag(); return getTag() == dwarf::DW_TAG_base_type;
return Tag == dwarf::DW_TAG_base_type;
} }
/// isDerivedType - Return true if the specified tag is legal for DIDerivedType. /// isDerivedType - Return true if the specified tag is legal for DIDerivedType.
bool DIDescriptor::isDerivedType() const { bool DIDescriptor::isDerivedType() const {
assert (!isNull() && "Invalid descriptor!"); assert(!isNull() && "Invalid descriptor!");
unsigned Tag = getTag(); switch (getTag()) {
switch (Tag) {
case dwarf::DW_TAG_typedef: case dwarf::DW_TAG_typedef:
case dwarf::DW_TAG_pointer_type: case dwarf::DW_TAG_pointer_type:
case dwarf::DW_TAG_reference_type: case dwarf::DW_TAG_reference_type:
@ -158,10 +153,8 @@ bool DIDescriptor::isDerivedType() const {
/// isCompositeType - Return true if the specified tag is legal for /// isCompositeType - Return true if the specified tag is legal for
/// DICompositeType. /// DICompositeType.
bool DIDescriptor::isCompositeType() const { bool DIDescriptor::isCompositeType() const {
assert (!isNull() && "Invalid descriptor!"); assert(!isNull() && "Invalid descriptor!");
unsigned Tag = getTag(); switch (getTag()) {
switch (Tag) {
case dwarf::DW_TAG_array_type: case dwarf::DW_TAG_array_type:
case dwarf::DW_TAG_structure_type: case dwarf::DW_TAG_structure_type:
case dwarf::DW_TAG_union_type: case dwarf::DW_TAG_union_type:
@ -177,10 +170,8 @@ bool DIDescriptor::isCompositeType() const {
/// isVariable - Return true if the specified tag is legal for DIVariable. /// isVariable - Return true if the specified tag is legal for DIVariable.
bool DIDescriptor::isVariable() const { bool DIDescriptor::isVariable() const {
assert (!isNull() && "Invalid descriptor!"); assert(!isNull() && "Invalid descriptor!");
unsigned Tag = getTag(); switch (getTag()) {
switch (Tag) {
case dwarf::DW_TAG_auto_variable: case dwarf::DW_TAG_auto_variable:
case dwarf::DW_TAG_arg_variable: case dwarf::DW_TAG_arg_variable:
case dwarf::DW_TAG_return_variable: case dwarf::DW_TAG_return_variable:
@ -198,19 +189,15 @@ bool DIDescriptor::isType() const {
/// isSubprogram - Return true if the specified tag is legal for /// isSubprogram - Return true if the specified tag is legal for
/// DISubprogram. /// DISubprogram.
bool DIDescriptor::isSubprogram() const { bool DIDescriptor::isSubprogram() const {
assert (!isNull() && "Invalid descriptor!"); assert(!isNull() && "Invalid descriptor!");
unsigned Tag = getTag(); return getTag() == dwarf::DW_TAG_subprogram;
return Tag == dwarf::DW_TAG_subprogram;
} }
/// isGlobalVariable - Return true if the specified tag is legal for /// isGlobalVariable - Return true if the specified tag is legal for
/// DIGlobalVariable. /// DIGlobalVariable.
bool DIDescriptor::isGlobalVariable() const { bool DIDescriptor::isGlobalVariable() const {
assert (!isNull() && "Invalid descriptor!"); assert(!isNull() && "Invalid descriptor!");
unsigned Tag = getTag(); return getTag() == dwarf::DW_TAG_variable;
return Tag == dwarf::DW_TAG_variable;
} }
/// isGlobal - Return true if the specified tag is legal for DIGlobal. /// isGlobal - Return true if the specified tag is legal for DIGlobal.
@ -221,59 +208,47 @@ bool DIDescriptor::isGlobal() const {
/// isScope - Return true if the specified tag is one of the scope /// isScope - Return true if the specified tag is one of the scope
/// related tag. /// related tag.
bool DIDescriptor::isScope() const { bool DIDescriptor::isScope() const {
assert (!isNull() && "Invalid descriptor!"); assert(!isNull() && "Invalid descriptor!");
unsigned Tag = getTag(); switch (getTag()) {
case dwarf::DW_TAG_compile_unit:
switch (Tag) { case dwarf::DW_TAG_lexical_block:
case dwarf::DW_TAG_compile_unit: case dwarf::DW_TAG_subprogram:
case dwarf::DW_TAG_lexical_block: case dwarf::DW_TAG_namespace:
case dwarf::DW_TAG_subprogram: return true;
case dwarf::DW_TAG_namespace: default:
return true; break;
default:
break;
} }
return false; return false;
} }
/// isCompileUnit - Return true if the specified tag is DW_TAG_compile_unit. /// isCompileUnit - Return true if the specified tag is DW_TAG_compile_unit.
bool DIDescriptor::isCompileUnit() const { bool DIDescriptor::isCompileUnit() const {
assert (!isNull() && "Invalid descriptor!"); assert(!isNull() && "Invalid descriptor!");
unsigned Tag = getTag(); return getTag() == dwarf::DW_TAG_compile_unit;
return Tag == dwarf::DW_TAG_compile_unit;
} }
/// isNameSpace - Return true if the specified tag is DW_TAG_namespace. /// isNameSpace - Return true if the specified tag is DW_TAG_namespace.
bool DIDescriptor::isNameSpace() const { bool DIDescriptor::isNameSpace() const {
assert (!isNull() && "Invalid descriptor!"); assert(!isNull() && "Invalid descriptor!");
unsigned Tag = getTag(); return getTag() == dwarf::DW_TAG_namespace;
return Tag == dwarf::DW_TAG_namespace;
} }
/// isLexicalBlock - Return true if the specified tag is DW_TAG_lexical_block. /// isLexicalBlock - Return true if the specified tag is DW_TAG_lexical_block.
bool DIDescriptor::isLexicalBlock() const { bool DIDescriptor::isLexicalBlock() const {
assert (!isNull() && "Invalid descriptor!"); assert(!isNull() && "Invalid descriptor!");
unsigned Tag = getTag(); return getTag() == dwarf::DW_TAG_lexical_block;
return Tag == dwarf::DW_TAG_lexical_block;
} }
/// isSubrange - Return true if the specified tag is DW_TAG_subrange_type. /// isSubrange - Return true if the specified tag is DW_TAG_subrange_type.
bool DIDescriptor::isSubrange() const { bool DIDescriptor::isSubrange() const {
assert (!isNull() && "Invalid descriptor!"); assert(!isNull() && "Invalid descriptor!");
unsigned Tag = getTag(); return getTag() == dwarf::DW_TAG_subrange_type;
return Tag == dwarf::DW_TAG_subrange_type;
} }
/// isEnumerator - Return true if the specified tag is DW_TAG_enumerator. /// isEnumerator - Return true if the specified tag is DW_TAG_enumerator.
bool DIDescriptor::isEnumerator() const { bool DIDescriptor::isEnumerator() const {
assert (!isNull() && "Invalid descriptor!"); assert(!isNull() && "Invalid descriptor!");
unsigned Tag = getTag(); return getTag() == dwarf::DW_TAG_enumerator;
return Tag == dwarf::DW_TAG_enumerator;
} }
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
@ -288,7 +263,7 @@ DIType::DIType(MDNode *N) : DIDescriptor(N) {
} }
unsigned DIArray::getNumElements() const { unsigned DIArray::getNumElements() const {
assert (DbgNode && "Invalid DIArray"); assert(DbgNode && "Invalid DIArray");
return DbgNode->getNumElements(); return DbgNode->getNumElements();
} }
@ -299,7 +274,7 @@ void DIDerivedType::replaceAllUsesWith(DIDescriptor &D) {
if (isNull()) if (isNull())
return; return;
assert (!D.isNull() && "Can not replace with null"); assert(!D.isNull() && "Can not replace with null");
// Since we use a TrackingVH for the node, its easy for clients to manufacture // Since we use a TrackingVH for the node, its easy for clients to manufacture
// legitimate situations where they want to replaceAllUsesWith() on something // legitimate situations where they want to replaceAllUsesWith() on something
@ -432,7 +407,7 @@ uint64_t DIDerivedType::getOriginalTypeSize() const {
/// describes - Return true if this subprogram provides debugging /// describes - Return true if this subprogram provides debugging
/// information for the function F. /// information for the function F.
bool DISubprogram::describes(const Function *F) { bool DISubprogram::describes(const Function *F) {
assert (F && "Invalid function"); assert(F && "Invalid function");
StringRef Name = getLinkageName(); StringRef Name = getLinkageName();
if (Name.empty()) if (Name.empty())
Name = getName(); Name = getName();
@ -444,28 +419,26 @@ bool DISubprogram::describes(const Function *F) {
StringRef DIScope::getFilename() const { StringRef DIScope::getFilename() const {
if (isLexicalBlock()) if (isLexicalBlock())
return DILexicalBlock(DbgNode).getFilename(); return DILexicalBlock(DbgNode).getFilename();
else if (isSubprogram()) if (isSubprogram())
return DISubprogram(DbgNode).getFilename(); return DISubprogram(DbgNode).getFilename();
else if (isCompileUnit()) if (isCompileUnit())
return DICompileUnit(DbgNode).getFilename(); return DICompileUnit(DbgNode).getFilename();
else if (isNameSpace()) if (isNameSpace())
return DINameSpace(DbgNode).getFilename(); return DINameSpace(DbgNode).getFilename();
else assert(0 && "Invalid DIScope!");
assert (0 && "Invalid DIScope!");
return StringRef(); return StringRef();
} }
StringRef DIScope::getDirectory() const { StringRef DIScope::getDirectory() const {
if (isLexicalBlock()) if (isLexicalBlock())
return DILexicalBlock(DbgNode).getDirectory(); return DILexicalBlock(DbgNode).getDirectory();
else if (isSubprogram()) if (isSubprogram())
return DISubprogram(DbgNode).getDirectory(); return DISubprogram(DbgNode).getDirectory();
else if (isCompileUnit()) if (isCompileUnit())
return DICompileUnit(DbgNode).getDirectory(); return DICompileUnit(DbgNode).getDirectory();
else if (isNameSpace()) if (isNameSpace())
return DINameSpace(DbgNode).getDirectory(); return DINameSpace(DbgNode).getDirectory();
else assert(0 && "Invalid DIScope!");
assert (0 && "Invalid DIScope!");
return StringRef(); return StringRef();
} }
@ -1264,270 +1237,267 @@ bool DebugInfoFinder::addSubprogram(DISubprogram SP) {
return true; return true;
} }
namespace llvm { /// findStopPoint - Find the stoppoint coressponding to this instruction, that
/// findStopPoint - Find the stoppoint coressponding to this instruction, that /// is the stoppoint that dominates this instruction.
/// is the stoppoint that dominates this instruction. const DbgStopPointInst *llvm::findStopPoint(const Instruction *Inst) {
const DbgStopPointInst *findStopPoint(const Instruction *Inst) { if (const DbgStopPointInst *DSI = dyn_cast<DbgStopPointInst>(Inst))
if (const DbgStopPointInst *DSI = dyn_cast<DbgStopPointInst>(Inst)) return DSI;
return DSI;
const BasicBlock *BB = Inst->getParent(); const BasicBlock *BB = Inst->getParent();
BasicBlock::const_iterator I = Inst, B; BasicBlock::const_iterator I = Inst, B;
while (BB) { while (BB) {
B = BB->begin(); B = BB->begin();
// A BB consisting only of a terminator can't have a stoppoint. // A BB consisting only of a terminator can't have a stoppoint.
while (I != B) { while (I != B) {
--I; --I;
if (const DbgStopPointInst *DSI = dyn_cast<DbgStopPointInst>(I))
return DSI;
}
// This BB didn't have a stoppoint: if there is only one predecessor, look
// for a stoppoint there. We could use getIDom(), but that would require
// dominator info.
BB = I->getParent()->getUniquePredecessor();
if (BB)
I = BB->getTerminator();
}
return 0;
}
/// findBBStopPoint - Find the stoppoint corresponding to first real
/// (non-debug intrinsic) instruction in this Basic Block, and return the
/// stoppoint for it.
const DbgStopPointInst *findBBStopPoint(const BasicBlock *BB) {
for(BasicBlock::const_iterator I = BB->begin(), E = BB->end(); I != E; ++I)
if (const DbgStopPointInst *DSI = dyn_cast<DbgStopPointInst>(I)) if (const DbgStopPointInst *DSI = dyn_cast<DbgStopPointInst>(I))
return DSI; return DSI;
}
// Fallback to looking for stoppoint of unique predecessor. Useful if this // This BB didn't have a stoppoint: if there is only one predecessor, look
// BB contains no stoppoints, but unique predecessor does. // for a stoppoint there. We could use getIDom(), but that would require
BB = BB->getUniquePredecessor(); // dominator info.
BB = I->getParent()->getUniquePredecessor();
if (BB) if (BB)
return findStopPoint(BB->getTerminator()); I = BB->getTerminator();
return 0;
} }
Value *findDbgGlobalDeclare(GlobalVariable *V) { return 0;
const Module *M = V->getParent(); }
NamedMDNode *NMD = M->getNamedMetadata("llvm.dbg.gv");
if (!NMD)
return 0;
for (unsigned i = 0, e = NMD->getNumElements(); i != e; ++i) { /// findBBStopPoint - Find the stoppoint corresponding to first real
DIGlobalVariable DIG(cast_or_null<MDNode>(NMD->getElement(i))); /// (non-debug intrinsic) instruction in this Basic Block, and return the
if (DIG.isNull()) /// stoppoint for it.
continue; const DbgStopPointInst *llvm::findBBStopPoint(const BasicBlock *BB) {
if (DIG.getGlobal() == V) for(BasicBlock::const_iterator I = BB->begin(), E = BB->end(); I != E; ++I)
return DIG.getNode(); if (const DbgStopPointInst *DSI = dyn_cast<DbgStopPointInst>(I))
} return DSI;
// Fallback to looking for stoppoint of unique predecessor. Useful if this
// BB contains no stoppoints, but unique predecessor does.
BB = BB->getUniquePredecessor();
if (BB)
return findStopPoint(BB->getTerminator());
return 0;
}
Value *llvm::findDbgGlobalDeclare(GlobalVariable *V) {
const Module *M = V->getParent();
NamedMDNode *NMD = M->getNamedMetadata("llvm.dbg.gv");
if (!NMD)
return 0; return 0;
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();
} }
return 0;
}
/// Finds the llvm.dbg.declare intrinsic corresponding to this value if any. /// Finds the llvm.dbg.declare intrinsic corresponding to this value if any.
/// It looks through pointer casts too. /// It looks through pointer casts too.
const DbgDeclareInst *findDbgDeclare(const Value *V, bool stripCasts) { const DbgDeclareInst *llvm::findDbgDeclare(const Value *V, bool stripCasts) {
if (stripCasts) { if (stripCasts) {
V = V->stripPointerCasts(); V = V->stripPointerCasts();
// Look for the bitcast. // Look for the bitcast.
for (Value::use_const_iterator I = V->use_begin(), E =V->use_end();
I != E; ++I)
if (isa<BitCastInst>(I)) {
const DbgDeclareInst *DDI = findDbgDeclare(*I, false);
if (DDI) return DDI;
}
return 0;
}
// Find llvm.dbg.declare among uses of the instruction.
for (Value::use_const_iterator I = V->use_begin(), E =V->use_end(); for (Value::use_const_iterator I = V->use_begin(), E =V->use_end();
I != E; ++I) I != E; ++I)
if (const DbgDeclareInst *DDI = dyn_cast<DbgDeclareInst>(I)) if (isa<BitCastInst>(I)) {
return DDI; const DbgDeclareInst *DDI = findDbgDeclare(*I, false);
if (DDI) return DDI;
}
return 0; return 0;
} }
bool getLocationInfo(const Value *V, std::string &DisplayName, // Find llvm.dbg.declare among uses of the instruction.
std::string &Type, unsigned &LineNo, std::string &File, for (Value::use_const_iterator I = V->use_begin(), E =V->use_end();
std::string &Dir) { I != E; ++I)
DICompileUnit Unit; if (const DbgDeclareInst *DDI = dyn_cast<DbgDeclareInst>(I))
DIType TypeD; return DDI;
if (GlobalVariable *GV = dyn_cast<GlobalVariable>(const_cast<Value*>(V))) { return 0;
Value *DIGV = findDbgGlobalDeclare(GV); }
if (!DIGV) return false;
DIGlobalVariable Var(cast<MDNode>(DIGV)); bool llvm::getLocationInfo(const Value *V, std::string &DisplayName,
std::string &Type, unsigned &LineNo,
StringRef D = Var.getDisplayName(); std::string &File, std::string &Dir) {
if (!D.empty()) DICompileUnit Unit;
DisplayName = D; DIType TypeD;
LineNo = Var.getLineNumber();
Unit = Var.getCompileUnit(); if (GlobalVariable *GV = dyn_cast<GlobalVariable>(const_cast<Value*>(V))) {
TypeD = Var.getType(); Value *DIGV = findDbgGlobalDeclare(GV);
} else { if (!DIGV) return false;
const DbgDeclareInst *DDI = findDbgDeclare(V); DIGlobalVariable Var(cast<MDNode>(DIGV));
if (!DDI) return false;
DIVariable Var(cast<MDNode>(DDI->getVariable())); StringRef D = Var.getDisplayName();
if (!D.empty())
StringRef D = Var.getName(); DisplayName = D;
if (!D.empty()) LineNo = Var.getLineNumber();
DisplayName = D; Unit = Var.getCompileUnit();
LineNo = Var.getLineNumber(); TypeD = Var.getType();
Unit = Var.getCompileUnit(); } else {
TypeD = Var.getType(); const DbgDeclareInst *DDI = findDbgDeclare(V);
} if (!DDI) return false;
DIVariable Var(cast<MDNode>(DDI->getVariable()));
StringRef T = TypeD.getName();
if (!T.empty()) StringRef D = Var.getName();
Type = T; if (!D.empty())
StringRef F = Unit.getFilename(); DisplayName = D;
if (!F.empty()) LineNo = Var.getLineNumber();
File = F; Unit = Var.getCompileUnit();
StringRef D = Unit.getDirectory(); TypeD = Var.getType();
if (!D.empty()) }
Dir = D;
return true; StringRef T = TypeD.getName();
} if (!T.empty())
Type = T;
/// isValidDebugInfoIntrinsic - Return true if SPI is a valid debug StringRef F = Unit.getFilename();
/// info intrinsic. if (!F.empty())
bool isValidDebugInfoIntrinsic(DbgStopPointInst &SPI, unsigned OptLev) { File = F;
return DIDescriptor::ValidDebugInfo(SPI.getContext(), OptLev); StringRef D = Unit.getDirectory();
} if (!D.empty())
Dir = D;
/// isValidDebugInfoIntrinsic - Return true if FSI is a valid debug return true;
/// info intrinsic. }
bool isValidDebugInfoIntrinsic(DbgFuncStartInst &FSI, unsigned OptLev) {
return DIDescriptor::ValidDebugInfo(FSI.getSubprogram(), OptLev); /// isValidDebugInfoIntrinsic - Return true if SPI is a valid debug
} /// info intrinsic.
bool llvm::isValidDebugInfoIntrinsic(DbgStopPointInst &SPI, unsigned OptLev) {
/// isValidDebugInfoIntrinsic - Return true if RSI is a valid debug return DIDescriptor::ValidDebugInfo(SPI.getContext(), OptLev);
/// info intrinsic. }
bool isValidDebugInfoIntrinsic(DbgRegionStartInst &RSI, unsigned OptLev) {
return DIDescriptor::ValidDebugInfo(RSI.getContext(), OptLev); /// isValidDebugInfoIntrinsic - Return true if FSI is a valid debug
} /// info intrinsic.
bool llvm::isValidDebugInfoIntrinsic(DbgFuncStartInst &FSI, unsigned OptLev) {
/// isValidDebugInfoIntrinsic - Return true if REI is a valid debug return DIDescriptor::ValidDebugInfo(FSI.getSubprogram(), OptLev);
/// info intrinsic. }
bool isValidDebugInfoIntrinsic(DbgRegionEndInst &REI, unsigned OptLev) {
return DIDescriptor::ValidDebugInfo(REI.getContext(), OptLev); /// isValidDebugInfoIntrinsic - Return true if RSI is a valid debug
} /// info intrinsic.
bool llvm::isValidDebugInfoIntrinsic(DbgRegionStartInst &RSI, unsigned OptLev) {
return DIDescriptor::ValidDebugInfo(RSI.getContext(), OptLev);
/// isValidDebugInfoIntrinsic - Return true if DI is a valid debug }
/// info intrinsic.
bool isValidDebugInfoIntrinsic(DbgDeclareInst &DI, unsigned OptLev) { /// isValidDebugInfoIntrinsic - Return true if REI is a valid debug
return DIDescriptor::ValidDebugInfo(DI.getVariable(), OptLev); /// info intrinsic.
} bool llvm::isValidDebugInfoIntrinsic(DbgRegionEndInst &REI, unsigned OptLev) {
return DIDescriptor::ValidDebugInfo(REI.getContext(), OptLev);
/// ExtractDebugLocation - Extract debug location information }
/// from llvm.dbg.stoppoint intrinsic.
DebugLoc ExtractDebugLocation(DbgStopPointInst &SPI, /// isValidDebugInfoIntrinsic - Return true if DI is a valid debug
DebugLocTracker &DebugLocInfo) { /// info intrinsic.
DebugLoc DL; bool llvm::isValidDebugInfoIntrinsic(DbgDeclareInst &DI, unsigned OptLev) {
Value *Context = SPI.getContext(); return DIDescriptor::ValidDebugInfo(DI.getVariable(), OptLev);
}
// If this location is already tracked then use it.
DebugLocTuple Tuple(cast<MDNode>(Context), NULL, SPI.getLine(), /// ExtractDebugLocation - Extract debug location information
SPI.getColumn()); /// from llvm.dbg.stoppoint intrinsic.
DenseMap<DebugLocTuple, unsigned>::iterator II DebugLoc llvm::ExtractDebugLocation(DbgStopPointInst &SPI,
= DebugLocInfo.DebugIdMap.find(Tuple); DebugLocTracker &DebugLocInfo) {
if (II != DebugLocInfo.DebugIdMap.end()) DebugLoc DL;
return DebugLoc::get(II->second); Value *Context = SPI.getContext();
// Add a new location entry. // If this location is already tracked then use it.
unsigned Id = DebugLocInfo.DebugLocations.size(); DebugLocTuple Tuple(cast<MDNode>(Context), NULL, SPI.getLine(),
DebugLocInfo.DebugLocations.push_back(Tuple); SPI.getColumn());
DebugLocInfo.DebugIdMap[Tuple] = Id; DenseMap<DebugLocTuple, unsigned>::iterator II
= DebugLocInfo.DebugIdMap.find(Tuple);
return DebugLoc::get(Id); if (II != DebugLocInfo.DebugIdMap.end())
} return DebugLoc::get(II->second);
/// ExtractDebugLocation - Extract debug location information // Add a new location entry.
/// from DILocation. unsigned Id = DebugLocInfo.DebugLocations.size();
DebugLoc ExtractDebugLocation(DILocation &Loc, DebugLocInfo.DebugLocations.push_back(Tuple);
DebugLocTracker &DebugLocInfo) { DebugLocInfo.DebugIdMap[Tuple] = Id;
DebugLoc DL;
MDNode *Context = Loc.getScope().getNode(); return DebugLoc::get(Id);
MDNode *InlinedLoc = NULL; }
if (!Loc.getOrigLocation().isNull())
InlinedLoc = Loc.getOrigLocation().getNode(); /// ExtractDebugLocation - Extract debug location information
// If this location is already tracked then use it. /// from DILocation.
DebugLocTuple Tuple(Context, InlinedLoc, Loc.getLineNumber(), DebugLoc llvm::ExtractDebugLocation(DILocation &Loc,
Loc.getColumnNumber()); DebugLocTracker &DebugLocInfo) {
DenseMap<DebugLocTuple, unsigned>::iterator II DebugLoc DL;
= DebugLocInfo.DebugIdMap.find(Tuple); MDNode *Context = Loc.getScope().getNode();
if (II != DebugLocInfo.DebugIdMap.end()) MDNode *InlinedLoc = NULL;
return DebugLoc::get(II->second); if (!Loc.getOrigLocation().isNull())
InlinedLoc = Loc.getOrigLocation().getNode();
// Add a new location entry. // If this location is already tracked then use it.
unsigned Id = DebugLocInfo.DebugLocations.size(); DebugLocTuple Tuple(Context, InlinedLoc, Loc.getLineNumber(),
DebugLocInfo.DebugLocations.push_back(Tuple); Loc.getColumnNumber());
DebugLocInfo.DebugIdMap[Tuple] = Id; DenseMap<DebugLocTuple, unsigned>::iterator II
= DebugLocInfo.DebugIdMap.find(Tuple);
return DebugLoc::get(Id); if (II != DebugLocInfo.DebugIdMap.end())
} return DebugLoc::get(II->second);
/// ExtractDebugLocation - Extract debug location information // Add a new location entry.
/// from llvm.dbg.func_start intrinsic. unsigned Id = DebugLocInfo.DebugLocations.size();
DebugLoc ExtractDebugLocation(DbgFuncStartInst &FSI, DebugLocInfo.DebugLocations.push_back(Tuple);
DebugLocTracker &DebugLocInfo) { DebugLocInfo.DebugIdMap[Tuple] = Id;
DebugLoc DL;
Value *SP = FSI.getSubprogram(); return DebugLoc::get(Id);
}
DISubprogram Subprogram(cast<MDNode>(SP));
unsigned Line = Subprogram.getLineNumber(); /// ExtractDebugLocation - Extract debug location information
DICompileUnit CU(Subprogram.getCompileUnit()); /// from llvm.dbg.func_start intrinsic.
DebugLoc llvm::ExtractDebugLocation(DbgFuncStartInst &FSI,
// If this location is already tracked then use it. DebugLocTracker &DebugLocInfo) {
DebugLocTuple Tuple(CU.getNode(), NULL, Line, /* Column */ 0); DebugLoc DL;
DenseMap<DebugLocTuple, unsigned>::iterator II Value *SP = FSI.getSubprogram();
= DebugLocInfo.DebugIdMap.find(Tuple);
if (II != DebugLocInfo.DebugIdMap.end()) DISubprogram Subprogram(cast<MDNode>(SP));
return DebugLoc::get(II->second); unsigned Line = Subprogram.getLineNumber();
DICompileUnit CU(Subprogram.getCompileUnit());
// Add a new location entry.
unsigned Id = DebugLocInfo.DebugLocations.size(); // If this location is already tracked then use it.
DebugLocInfo.DebugLocations.push_back(Tuple); DebugLocTuple Tuple(CU.getNode(), NULL, Line, /* Column */ 0);
DebugLocInfo.DebugIdMap[Tuple] = Id; DenseMap<DebugLocTuple, unsigned>::iterator II
= DebugLocInfo.DebugIdMap.find(Tuple);
return DebugLoc::get(Id); if (II != DebugLocInfo.DebugIdMap.end())
} return DebugLoc::get(II->second);
/// getDISubprogram - Find subprogram that is enclosing this scope. // Add a new location entry.
DISubprogram getDISubprogram(MDNode *Scope) { unsigned Id = DebugLocInfo.DebugLocations.size();
DIDescriptor D(Scope); DebugLocInfo.DebugLocations.push_back(Tuple);
if (D.isNull()) DebugLocInfo.DebugIdMap[Tuple] = Id;
return DISubprogram();
return DebugLoc::get(Id);
if (D.isCompileUnit()) }
return DISubprogram();
/// getDISubprogram - Find subprogram that is enclosing this scope.
if (D.isSubprogram()) DISubprogram llvm::getDISubprogram(MDNode *Scope) {
return DISubprogram(Scope); DIDescriptor D(Scope);
if (D.isNull())
if (D.isLexicalBlock()) return DISubprogram();
return getDISubprogram(DILexicalBlock(Scope).getContext().getNode());
if (D.isCompileUnit())
return DISubprogram(); return DISubprogram();
}
if (D.isSubprogram())
/// getDICompositeType - Find underlying composite type. return DISubprogram(Scope);
DICompositeType getDICompositeType(DIType T) {
if (T.isNull()) if (D.isLexicalBlock())
return DICompositeType(); return getDISubprogram(DILexicalBlock(Scope).getContext().getNode());
if (T.isCompositeType()) return DISubprogram();
return DICompositeType(T.getNode()); }
if (T.isDerivedType()) /// getDICompositeType - Find underlying composite type.
return getDICompositeType(DIDerivedType(T.getNode()).getTypeDerivedFrom()); DICompositeType llvm::getDICompositeType(DIType T) {
if (T.isNull())
return DICompositeType(); return DICompositeType();
}
if (T.isCompositeType())
return DICompositeType(T.getNode());
if (T.isDerivedType())
return getDICompositeType(DIDerivedType(T.getNode()).getTypeDerivedFrom());
return DICompositeType();
} }