[llvm-commits] [llvm] r92262 - /llvm/trunk/lib/Analysis/DebugInfo.cpp
Chris Lattner
sabre at nondot.org
Tue Dec 29 01:22:47 PST 2009
Author: lattner
Date: Tue Dec 29 03:22:47 2009
New Revision: 92262
URL: http://llvm.org/viewvc/llvm-project?rev=92262&view=rev
Log:
major cleanups, much of this file was incorrectly indented.
Modified:
llvm/trunk/lib/Analysis/DebugInfo.cpp
Modified: llvm/trunk/lib/Analysis/DebugInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Analysis/DebugInfo.cpp?rev=92262&r1=92261&r2=92262&view=diff
==============================================================================
--- llvm/trunk/lib/Analysis/DebugInfo.cpp (original)
+++ llvm/trunk/lib/Analysis/DebugInfo.cpp Tue Dec 29 03:22:47 2009
@@ -46,8 +46,7 @@
if (Version != LLVMDebugVersion && Version != LLVMDebugVersion6)
return false;
- unsigned Tag = DI.getTag();
- switch (Tag) {
+ switch (DI.getTag()) {
case DW_TAG_variable:
assert(DIVariable(N).Verify() && "Invalid DebugInfo value");
break;
@@ -128,18 +127,14 @@
/// 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;
+ assert(!isNull() && "Invalid descriptor!");
+ return getTag() == dwarf::DW_TAG_base_type;
}
/// isDerivedType - Return true if the specified tag is legal for DIDerivedType.
bool DIDescriptor::isDerivedType() const {
- assert (!isNull() && "Invalid descriptor!");
- unsigned Tag = getTag();
-
- switch (Tag) {
+ assert(!isNull() && "Invalid descriptor!");
+ switch (getTag()) {
case dwarf::DW_TAG_typedef:
case dwarf::DW_TAG_pointer_type:
case dwarf::DW_TAG_reference_type:
@@ -158,10 +153,8 @@
/// isCompositeType - Return true if the specified tag is legal for
/// DICompositeType.
bool DIDescriptor::isCompositeType() const {
- assert (!isNull() && "Invalid descriptor!");
- unsigned Tag = getTag();
-
- switch (Tag) {
+ assert(!isNull() && "Invalid descriptor!");
+ switch (getTag()) {
case dwarf::DW_TAG_array_type:
case dwarf::DW_TAG_structure_type:
case dwarf::DW_TAG_union_type:
@@ -177,10 +170,8 @@
/// isVariable - Return true if the specified tag is legal for DIVariable.
bool DIDescriptor::isVariable() const {
- assert (!isNull() && "Invalid descriptor!");
- unsigned Tag = getTag();
-
- switch (Tag) {
+ assert(!isNull() && "Invalid descriptor!");
+ switch (getTag()) {
case dwarf::DW_TAG_auto_variable:
case dwarf::DW_TAG_arg_variable:
case dwarf::DW_TAG_return_variable:
@@ -198,19 +189,15 @@
/// 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;
+ assert(!isNull() && "Invalid descriptor!");
+ return getTag() == 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;
+ assert(!isNull() && "Invalid descriptor!");
+ return getTag() == dwarf::DW_TAG_variable;
}
/// isGlobal - Return true if the specified tag is legal for DIGlobal.
@@ -221,59 +208,47 @@
/// 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:
- case dwarf::DW_TAG_namespace:
- return true;
- default:
- break;
+ assert(!isNull() && "Invalid descriptor!");
+ switch (getTag()) {
+ case dwarf::DW_TAG_compile_unit:
+ case dwarf::DW_TAG_lexical_block:
+ case dwarf::DW_TAG_subprogram:
+ case dwarf::DW_TAG_namespace:
+ 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;
+ assert(!isNull() && "Invalid descriptor!");
+ return getTag() == dwarf::DW_TAG_compile_unit;
}
/// isNameSpace - Return true if the specified tag is DW_TAG_namespace.
bool DIDescriptor::isNameSpace() const {
- assert (!isNull() && "Invalid descriptor!");
- unsigned Tag = getTag();
-
- return Tag == dwarf::DW_TAG_namespace;
+ assert(!isNull() && "Invalid descriptor!");
+ return getTag() == dwarf::DW_TAG_namespace;
}
/// 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;
+ assert(!isNull() && "Invalid descriptor!");
+ return getTag() == 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;
+ assert(!isNull() && "Invalid descriptor!");
+ return getTag() == 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;
+ assert(!isNull() && "Invalid descriptor!");
+ return getTag() == dwarf::DW_TAG_enumerator;
}
//===----------------------------------------------------------------------===//
@@ -288,7 +263,7 @@
}
unsigned DIArray::getNumElements() const {
- assert (DbgNode && "Invalid DIArray");
+ assert(DbgNode && "Invalid DIArray");
return DbgNode->getNumElements();
}
@@ -299,7 +274,7 @@
if (isNull())
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
// legitimate situations where they want to replaceAllUsesWith() on something
@@ -432,7 +407,7 @@
/// describes - Return true if this subprogram provides debugging
/// information for the function F.
bool DISubprogram::describes(const Function *F) {
- assert (F && "Invalid function");
+ assert(F && "Invalid function");
StringRef Name = getLinkageName();
if (Name.empty())
Name = getName();
@@ -444,28 +419,26 @@
StringRef DIScope::getFilename() const {
if (isLexicalBlock())
return DILexicalBlock(DbgNode).getFilename();
- else if (isSubprogram())
+ if (isSubprogram())
return DISubprogram(DbgNode).getFilename();
- else if (isCompileUnit())
+ if (isCompileUnit())
return DICompileUnit(DbgNode).getFilename();
- else if (isNameSpace())
+ if (isNameSpace())
return DINameSpace(DbgNode).getFilename();
- else
- assert (0 && "Invalid DIScope!");
+ assert(0 && "Invalid DIScope!");
return StringRef();
}
StringRef DIScope::getDirectory() const {
if (isLexicalBlock())
return DILexicalBlock(DbgNode).getDirectory();
- else if (isSubprogram())
+ if (isSubprogram())
return DISubprogram(DbgNode).getDirectory();
- else if (isCompileUnit())
+ if (isCompileUnit())
return DICompileUnit(DbgNode).getDirectory();
- else if (isNameSpace())
+ if (isNameSpace())
return DINameSpace(DbgNode).getDirectory();
- else
- assert (0 && "Invalid DIScope!");
+ assert(0 && "Invalid DIScope!");
return StringRef();
}
@@ -1264,270 +1237,267 @@
return true;
}
-namespace llvm {
- /// findStopPoint - Find the stoppoint coressponding to this instruction, that
- /// is the stoppoint that dominates this instruction.
- const DbgStopPointInst *findStopPoint(const Instruction *Inst) {
- if (const DbgStopPointInst *DSI = dyn_cast<DbgStopPointInst>(Inst))
- return DSI;
-
- const BasicBlock *BB = Inst->getParent();
- BasicBlock::const_iterator I = Inst, B;
- while (BB) {
- B = BB->begin();
-
- // A BB consisting only of a terminator can't have a stoppoint.
- while (I != B) {
- --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)
+/// findStopPoint - Find the stoppoint coressponding to this instruction, that
+/// is the stoppoint that dominates this instruction.
+const DbgStopPointInst *llvm::findStopPoint(const Instruction *Inst) {
+ if (const DbgStopPointInst *DSI = dyn_cast<DbgStopPointInst>(Inst))
+ return DSI;
+
+ const BasicBlock *BB = Inst->getParent();
+ BasicBlock::const_iterator I = Inst, B;
+ while (BB) {
+ B = BB->begin();
+
+ // A BB consisting only of a terminator can't have a stoppoint.
+ while (I != B) {
+ --I;
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();
+ // 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)
- return findStopPoint(BB->getTerminator());
-
- return 0;
+ I = BB->getTerminator();
}
- Value *findDbgGlobalDeclare(GlobalVariable *V) {
- 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) {
- 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.
- /// It looks through pointer casts too.
- const DbgDeclareInst *findDbgDeclare(const Value *V, bool stripCasts) {
- if (stripCasts) {
- V = V->stripPointerCasts();
-
- // 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();
- I != E; ++I)
- if (const DbgDeclareInst *DDI = dyn_cast<DbgDeclareInst>(I))
- return DDI;
+ return 0;
+}
- 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 *llvm::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))
+ return DSI;
-bool getLocationInfo(const Value *V, std::string &DisplayName,
- std::string &Type, unsigned &LineNo, std::string &File,
- std::string &Dir) {
- DICompileUnit Unit;
- DIType TypeD;
-
- if (GlobalVariable *GV = dyn_cast<GlobalVariable>(const_cast<Value*>(V))) {
- Value *DIGV = findDbgGlobalDeclare(GV);
- if (!DIGV) return false;
- DIGlobalVariable Var(cast<MDNode>(DIGV));
-
- StringRef D = Var.getDisplayName();
- if (!D.empty())
- DisplayName = D;
- LineNo = Var.getLineNumber();
- Unit = Var.getCompileUnit();
- TypeD = Var.getType();
- } else {
- const DbgDeclareInst *DDI = findDbgDeclare(V);
- if (!DDI) return false;
- DIVariable Var(cast<MDNode>(DDI->getVariable()));
-
- StringRef D = Var.getName();
- if (!D.empty())
- DisplayName = D;
- LineNo = Var.getLineNumber();
- Unit = Var.getCompileUnit();
- TypeD = Var.getType();
- }
+ // 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());
- StringRef T = TypeD.getName();
- if (!T.empty())
- Type = T;
- StringRef F = Unit.getFilename();
- if (!F.empty())
- File = F;
- StringRef D = Unit.getDirectory();
- if (!D.empty())
- Dir = D;
- return true;
- }
+ return 0;
+}
- /// isValidDebugInfoIntrinsic - Return true if SPI is a valid debug
- /// info intrinsic.
- bool isValidDebugInfoIntrinsic(DbgStopPointInst &SPI, unsigned OptLev) {
- return DIDescriptor::ValidDebugInfo(SPI.getContext(), OptLev);
- }
+Value *llvm::findDbgGlobalDeclare(GlobalVariable *V) {
+ const Module *M = V->getParent();
+ NamedMDNode *NMD = M->getNamedMetadata("llvm.dbg.gv");
+ if (!NMD)
+ return 0;
- /// isValidDebugInfoIntrinsic - Return true if FSI is a valid debug
- /// info intrinsic.
- bool isValidDebugInfoIntrinsic(DbgFuncStartInst &FSI, unsigned OptLev) {
- return DIDescriptor::ValidDebugInfo(FSI.getSubprogram(), OptLev);
+ 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;
+}
- /// isValidDebugInfoIntrinsic - Return true if RSI is a valid debug
- /// info intrinsic.
- bool isValidDebugInfoIntrinsic(DbgRegionStartInst &RSI, unsigned OptLev) {
- return DIDescriptor::ValidDebugInfo(RSI.getContext(), OptLev);
- }
+/// Finds the llvm.dbg.declare intrinsic corresponding to this value if any.
+/// It looks through pointer casts too.
+const DbgDeclareInst *llvm::findDbgDeclare(const Value *V, bool stripCasts) {
+ if (stripCasts) {
+ V = V->stripPointerCasts();
- /// isValidDebugInfoIntrinsic - Return true if REI is a valid debug
- /// info intrinsic.
- bool isValidDebugInfoIntrinsic(DbgRegionEndInst &REI, unsigned OptLev) {
- return DIDescriptor::ValidDebugInfo(REI.getContext(), OptLev);
+ // 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();
+ I != E; ++I)
+ if (const DbgDeclareInst *DDI = dyn_cast<DbgDeclareInst>(I))
+ return DDI;
- /// isValidDebugInfoIntrinsic - Return true if DI is a valid debug
- /// info intrinsic.
- bool isValidDebugInfoIntrinsic(DbgDeclareInst &DI, unsigned OptLev) {
- return DIDescriptor::ValidDebugInfo(DI.getVariable(), OptLev);
- }
-
- /// ExtractDebugLocation - Extract debug location information
- /// from llvm.dbg.stoppoint intrinsic.
- DebugLoc ExtractDebugLocation(DbgStopPointInst &SPI,
- DebugLocTracker &DebugLocInfo) {
- DebugLoc DL;
- Value *Context = SPI.getContext();
-
- // If this location is already tracked then use it.
- DebugLocTuple Tuple(cast<MDNode>(Context), NULL, SPI.getLine(),
- SPI.getColumn());
- 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 0;
+}
- return DebugLoc::get(Id);
- }
+bool llvm::getLocationInfo(const Value *V, std::string &DisplayName,
+ std::string &Type, unsigned &LineNo,
+ std::string &File, std::string &Dir) {
+ DICompileUnit Unit;
+ DIType TypeD;
+
+ if (GlobalVariable *GV = dyn_cast<GlobalVariable>(const_cast<Value*>(V))) {
+ Value *DIGV = findDbgGlobalDeclare(GV);
+ if (!DIGV) return false;
+ DIGlobalVariable Var(cast<MDNode>(DIGV));
- /// 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;
+ StringRef D = Var.getDisplayName();
+ if (!D.empty())
+ DisplayName = D;
+ LineNo = Var.getLineNumber();
+ Unit = Var.getCompileUnit();
+ TypeD = Var.getType();
+ } else {
+ const DbgDeclareInst *DDI = findDbgDeclare(V);
+ if (!DDI) return false;
+ DIVariable Var(cast<MDNode>(DDI->getVariable()));
- return DebugLoc::get(Id);
+ StringRef D = Var.getName();
+ if (!D.empty())
+ DisplayName = D;
+ LineNo = Var.getLineNumber();
+ Unit = Var.getCompileUnit();
+ TypeD = Var.getType();
}
- /// 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<MDNode>(SP));
- unsigned Line = Subprogram.getLineNumber();
- DICompileUnit CU(Subprogram.getCompileUnit());
-
- // If this location is already tracked then use it.
- DebugLocTuple Tuple(CU.getNode(), NULL, Line, /* Column */ 0);
- 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);
- }
+ StringRef T = TypeD.getName();
+ if (!T.empty())
+ Type = T;
+ StringRef F = Unit.getFilename();
+ if (!F.empty())
+ File = F;
+ StringRef D = Unit.getDirectory();
+ if (!D.empty())
+ Dir = D;
+ return true;
+}
- /// getDISubprogram - Find subprogram that is enclosing this scope.
- DISubprogram getDISubprogram(MDNode *Scope) {
- DIDescriptor D(Scope);
- if (D.isNull())
- return DISubprogram();
-
- if (D.isCompileUnit())
- return DISubprogram();
-
- if (D.isSubprogram())
- return DISubprogram(Scope);
-
- if (D.isLexicalBlock())
- return getDISubprogram(DILexicalBlock(Scope).getContext().getNode());
-
+/// isValidDebugInfoIntrinsic - Return true if SPI is a valid debug
+/// info intrinsic.
+bool llvm::isValidDebugInfoIntrinsic(DbgStopPointInst &SPI, unsigned OptLev) {
+ return DIDescriptor::ValidDebugInfo(SPI.getContext(), OptLev);
+}
+
+/// isValidDebugInfoIntrinsic - Return true if FSI is a valid debug
+/// info intrinsic.
+bool llvm::isValidDebugInfoIntrinsic(DbgFuncStartInst &FSI, unsigned OptLev) {
+ return DIDescriptor::ValidDebugInfo(FSI.getSubprogram(), 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 REI is a valid debug
+/// info intrinsic.
+bool llvm::isValidDebugInfoIntrinsic(DbgRegionEndInst &REI, unsigned OptLev) {
+ return DIDescriptor::ValidDebugInfo(REI.getContext(), OptLev);
+}
+
+/// isValidDebugInfoIntrinsic - Return true if DI is a valid debug
+/// info intrinsic.
+bool llvm::isValidDebugInfoIntrinsic(DbgDeclareInst &DI, unsigned OptLev) {
+ return DIDescriptor::ValidDebugInfo(DI.getVariable(), OptLev);
+}
+
+/// ExtractDebugLocation - Extract debug location information
+/// from llvm.dbg.stoppoint intrinsic.
+DebugLoc llvm::ExtractDebugLocation(DbgStopPointInst &SPI,
+ DebugLocTracker &DebugLocInfo) {
+ DebugLoc DL;
+ Value *Context = SPI.getContext();
+
+ // If this location is already tracked then use it.
+ DebugLocTuple Tuple(cast<MDNode>(Context), NULL, SPI.getLine(),
+ SPI.getColumn());
+ 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
+/// from DILocation.
+DebugLoc llvm::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
+/// from llvm.dbg.func_start intrinsic.
+DebugLoc llvm::ExtractDebugLocation(DbgFuncStartInst &FSI,
+ DebugLocTracker &DebugLocInfo) {
+ DebugLoc DL;
+ Value *SP = FSI.getSubprogram();
+
+ 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.getNode(), NULL, Line, /* Column */ 0);
+ 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);
+}
+
+/// getDISubprogram - Find subprogram that is enclosing this scope.
+DISubprogram llvm::getDISubprogram(MDNode *Scope) {
+ DIDescriptor D(Scope);
+ if (D.isNull())
return DISubprogram();
- }
+
+ if (D.isCompileUnit())
+ return DISubprogram();
+
+ if (D.isSubprogram())
+ return DISubprogram(Scope);
+
+ if (D.isLexicalBlock())
+ return getDISubprogram(DILexicalBlock(Scope).getContext().getNode());
+
+ return DISubprogram();
+}
- /// getDICompositeType - Find underlying composite type.
- DICompositeType getDICompositeType(DIType T) {
- if (T.isNull())
- return DICompositeType();
-
- if (T.isCompositeType())
- return DICompositeType(T.getNode());
-
- if (T.isDerivedType())
- return getDICompositeType(DIDerivedType(T.getNode()).getTypeDerivedFrom());
-
+/// getDICompositeType - Find underlying composite type.
+DICompositeType llvm::getDICompositeType(DIType T) {
+ if (T.isNull())
return DICompositeType();
- }
+
+ if (T.isCompositeType())
+ return DICompositeType(T.getNode());
+
+ if (T.isDerivedType())
+ return getDICompositeType(DIDerivedType(T.getNode()).getTypeDerivedFrom());
+
+ return DICompositeType();
}
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