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llvm-svn: 66867
This commit is contained in:
Bill Wendling 2009-03-13 04:39:26 +00:00
parent 02a239b837
commit 5499163a0a
14 changed files with 233 additions and 254 deletions
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42
include/llvm/Analysis/DebugInfo.h
View File

@ -40,7 +40,7 @@ namespace llvm {
/// not, the debug info is corrupt and we ignore it.
DIDescriptor(GlobalVariable *GV, unsigned RequiredTag);
const char *getStringField(unsigned Elt) const;
const std::string &getStringField(unsigned Elt, std::string &Result) const;
unsigned getUnsignedField(unsigned Elt) const {
return (unsigned)getUInt64Field(Elt);
}
@ -106,14 +106,14 @@ namespace llvm {
explicit DICompileUnit(GlobalVariable *GV = 0);
unsigned getLanguage() const { return getUnsignedField(2); }
const char *getFilename() const {
return getStringField(3);
const std::string &getFilename(std::string &F) const {
return getStringField(3, F);
}
const char *getDirectory() const {
return getStringField(4);
const std::string &getDirectory(std::string &F) const {
return getStringField(4, F);
}
const char *getProducer() const {
return getStringField(5);
const std::string &getProducer(std::string &F) const {
return getStringField(5, F);
}
/// isMain - Each input file is encoded as a separate compile unit in LLVM
@ -127,7 +127,9 @@ namespace llvm {
bool isMain() const { return getUnsignedField(6); }
bool isOptimized() const { return getUnsignedField(7); }
const char *getFlags() const { return getStringField(8); }
const std::string &getFlags(std::string &F) const {
return getStringField(8, F);
}
unsigned getRunTimeVersion() const { return getUnsignedField(9); }
/// Verify - Verify that a compile unit is well formed.
@ -144,8 +146,8 @@ namespace llvm {
public:
explicit DIEnumerator(GlobalVariable *GV = 0);
const char *getName() const {
return getStringField(1);
const std::string &getName(std::string &F) const {
return getStringField(1, F);
}
uint64_t getEnumValue() const { return getUInt64Field(2); }
};
@ -190,7 +192,9 @@ namespace llvm {
virtual ~DIType() {}
DIDescriptor getContext() const { return getDescriptorField(1); }
const char *getName() const { return getStringField(2); }
const std::string &getName(std::string &F) const {
return getStringField(2, F);
}
DICompileUnit getCompileUnit() const{ return getFieldAs<DICompileUnit>(3); }
unsigned getLineNumber() const { return getUnsignedField(4); }
uint64_t getSizeInBits() const { return getUInt64Field(5); }
@ -272,14 +276,14 @@ namespace llvm {
virtual ~DIGlobal() {}
DIDescriptor getContext() const { return getDescriptorField(2); }
const char *getName() const {
return getStringField(3);
const std::string &getName(std::string &F) const {
return getStringField(3, F);
}
const char *getDisplayName() const {
return getStringField(4);
const std::string &getDisplayName(std::string &F) const {
return getStringField(4, F);
}
const char *getLinkageName() const {
return getStringField(5);
const std::string &getLinkageName(std::string &F) const {
return getStringField(5, F);
}
DICompileUnit getCompileUnit() const{ return getFieldAs<DICompileUnit>(6); }
unsigned getLineNumber() const { return getUnsignedField(7); }
@ -327,8 +331,8 @@ namespace llvm {
explicit DIVariable(GlobalVariable *GV = 0);
DIDescriptor getContext() const { return getDescriptorField(1); }
const char *getName() const {
return getStringField(2);
const std::string &getName(std::string &F) const {
return getStringField(2, F);
}
DICompileUnit getCompileUnit() const{ return getFieldAs<DICompileUnit>(3); }
unsigned getLineNumber() const { return getUnsignedField(4); }

14
include/llvm/Analysis/ValueTracking.h
View File

@ -75,13 +75,13 @@ namespace llvm {
}
/// GetConstantStringInfo - This function computes the length of a
/// null-terminated C string pointed to by V. If successful, it returns the
/// string. If unsuccessful, it returns NUL. If StopAtNul is set to true
/// (the default), the returned string is truncated by a nul character in the
/// global. If StopAtNul is false, the nul character is included in the
/// result string.
const char *GetConstantStringInfo(Value *V, uint64_t Offset = 0,
bool StopAtNul = true);
/// null-terminated C string pointed to by V. If successful, it returns true
/// and returns the string in Str. If unsuccessful, it returns false. If
/// StopAtNul is set to true (the default), the returned string is truncated
/// by a nul character in the global. If StopAtNul is false, the nul
/// character is included in the result string.
bool GetConstantStringInfo(Value *V, std::string &Str, uint64_t Offset = 0,
bool StopAtNul = true);
} // end namespace llvm
#endif

48
lib/Analysis/DbgInfoPrinter.cpp
View File

@ -33,29 +33,31 @@ static cl::opt<bool>
PrintDirectory("print-fullpath", cl::desc("Print fullpath when printing debug info"), cl::Hidden);
namespace {
struct VISIBILITY_HIDDEN PrintDbgInfo : public FunctionPass {
struct VISIBILITY_HIDDEN PrintDbgInfo : public FunctionPass {
private:
raw_ostream &Out;
void printStopPoint(const DbgStopPointInst *DSI);
void printFuncStart(const DbgFuncStartInst *FS);
void printVariableDeclaration(const Value *V);
public:
static char ID; // Pass identification
PrintDbgInfo() : FunctionPass(&ID), Out(outs()) {}
public:
static char ID; // Pass identification
PrintDbgInfo() : FunctionPass(&ID), Out(outs()) {}
virtual bool runOnFunction(Function &F);
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
}
};
char PrintDbgInfo::ID = 0;
static RegisterPass<PrintDbgInfo> X("print-dbginfo",
"Print debug info in human readable form");
virtual bool runOnFunction(Function &F);
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
}
};
char PrintDbgInfo::ID = 0;
static RegisterPass<PrintDbgInfo> X("print-dbginfo",
"Print debug info in human readable form");
}
FunctionPass *llvm::createDbgInfoPrinterPass() { return new PrintDbgInfo(); }
void PrintDbgInfo::printVariableDeclaration(const Value *V) {
void PrintDbgInfo::printVariableDeclaration(const Value *V)
{
std::string DisplayName, File, Directory, Type;
unsigned LineNo;
if (getLocationInfo(V, DisplayName, Type, LineNo, File, Directory)) {
@ -73,22 +75,24 @@ void PrintDbgInfo::printVariableDeclaration(const Value *V) {
void PrintDbgInfo::printStopPoint(const DbgStopPointInst *DSI)
{
if (PrintDirectory) {
const char *Dir = GetConstantStringInfo(DSI->getDirectory());
Out << (Dir ? Dir : "") << "/";
std::string dir;
GetConstantStringInfo(DSI->getDirectory(), dir);
Out << dir << "/";
}
const char *FN = GetConstantStringInfo(DSI->getFileName());
Out << (FN ? FN : "") << ":" << DSI->getLine();
if (unsigned Col = DSI->getColumn())
std::string file;
GetConstantStringInfo(DSI->getFileName(), file);
Out << file << ":" << DSI->getLine();
if (unsigned Col = DSI->getColumn()) {
Out << ":" << Col;
}
}
void PrintDbgInfo::printFuncStart(const DbgFuncStartInst *FS)
{
DISubprogram Subprogram(cast<GlobalVariable>(FS->getSubprogram()));
Out << ";fully qualified function name: " << Subprogram.getDisplayName()
<< " return type: " << Subprogram.getType().getName()
std::string Res1, Res2;
Out << ";fully qualified function name: " << Subprogram.getDisplayName(Res1)
<< " return type: " << Subprogram.getType().getName(Res2)
<< " at line " << Subprogram.getLineNumber()
<< "\n\n";
}

75
lib/Analysis/DebugInfo.cpp
View File

@ -35,16 +35,24 @@ DIDescriptor::DIDescriptor(GlobalVariable *gv, unsigned RequiredTag) {
GV = 0;
}
const char *DIDescriptor::getStringField(unsigned Elt) const {
if (GV == 0)
return 0;
const std::string &
DIDescriptor::getStringField(unsigned Elt, std::string &Result) const {
if (GV == 0) {
Result.clear();
return Result;
}
Constant *C = GV->getInitializer();
if (C == 0 || Elt >= C->getNumOperands())
return 0;
if (C == 0 || Elt >= C->getNumOperands()) {
Result.clear();
return Result;
}
// Fills in the string if it succeeds
return GetConstantStringInfo(C->getOperand(Elt));
if (!GetConstantStringInfo(C->getOperand(Elt), Result))
Result.clear();
return Result;
}
uint64_t DIDescriptor::getUInt64Field(unsigned Elt) const {
@ -182,9 +190,11 @@ unsigned DIArray::getNumElements() const {
bool DICompileUnit::Verify() const {
if (isNull())
return false;
std::string Res;
if (getFilename(Res).empty())
return false;
// It is possible that directory and produce string is empty.
return getFilename();
return true;
}
/// Verify - Verify that a type descriptor is well formed.
@ -495,7 +505,7 @@ DIEnumerator DIFactory::CreateEnumerator(const std::string &Name, uint64_t Val){
/// CreateBasicType - Create a basic type like int, float, etc.
DIBasicType DIFactory::CreateBasicType(DIDescriptor Context,
const std::string &Name,
const std::string &Name,
DICompileUnit CompileUnit,
unsigned LineNumber,
uint64_t SizeInBits,
@ -884,7 +894,8 @@ namespace llvm {
}
bool getLocationInfo(const Value *V, std::string &DisplayName, std::string &Type,
unsigned &LineNo, std::string &File, std::string &Dir) {
unsigned &LineNo, std::string &File, std::string &Dir)
{
DICompileUnit Unit;
DIType TypeD;
if (GlobalVariable *GV = dyn_cast<GlobalVariable>(const_cast<Value*>(V))) {
@ -892,11 +903,7 @@ namespace llvm {
if (!DIGV)
return false;
DIGlobalVariable Var(cast<GlobalVariable>(DIGV));
const char *DN = Var.getDisplayName();
if (DN)
DisplayName = DN;
else
DisplayName.clear();
Var.getDisplayName(DisplayName);
LineNo = Var.getLineNumber();
Unit = Var.getCompileUnit();
TypeD = Var.getType();
@ -905,24 +912,14 @@ namespace llvm {
if (!DDI)
return false;
DIVariable Var(cast<GlobalVariable>(DDI->getVariable()));
const char *DN = Var.getName();
if (DN)
DisplayName = DN;
else
DisplayName.clear();
Var.getName(DisplayName);
LineNo = Var.getLineNumber();
Unit = Var.getCompileUnit();
TypeD = Var.getType();
}
Type.clear();
File.clear();
Dir.clear();
const char *Str = TypeD.getName();
if (Str) Type = Str;
Str = Unit.getFilename();
if (Str) File = Str;
Str = Unit.getDirectory();
if (Str) Dir = Str;
TypeD.getName(Type);
Unit.getFilename(File);
Unit.getDirectory(Dir);
return true;
}
}
@ -932,17 +929,17 @@ void DICompileUnit::dump() const {
if (getLanguage())
cerr << " [" << dwarf::LanguageString(getLanguage()) << "] ";
const char *Dir = getDirectory();
const char *FN = getFilename();
cerr << " [" << (Dir ? Dir : "") << "/" << (FN ? FN : "") << " ]";
std::string Res1, Res2;
cerr << " [" << getDirectory(Res1) << "/" << getFilename(Res2) << " ]";
}
/// dump - print type.
void DIType::dump() const {
if (isNull()) return;
if (const char *N = getName())
cerr << " [" << N << "] ";
std::string Res;
if (!getName(Res).empty())
cerr << " [" << Res << "] ";
unsigned Tag = getTag();
cerr << " [" << dwarf::TagString(Tag) << "] ";
@ -999,8 +996,9 @@ void DICompositeType::dump() const {
/// dump - print global.
void DIGlobal::dump() const {
if (const char *N = getName())
cerr << " [" << N << "] ";
std::string Res;
if (!getName(Res).empty())
cerr << " [" << Res << "] ";
unsigned Tag = getTag();
cerr << " [" << dwarf::TagString(Tag) << "] ";
@ -1033,8 +1031,9 @@ void DIGlobalVariable::dump() const {
/// dump - print variable.
void DIVariable::dump() const {
if (const char *N = getName())
cerr << " [" << N << "] ";
std::string Res;
if (!getName(Res).empty())
cerr << " [" << Res << "] ";
getCompileUnit().dump();
cerr << " [" << getLineNumber() << "] ";

120
lib/Analysis/ValueTracking.cpp
View File

@ -17,10 +17,9 @@
#include "llvm/Instructions.h"
#include "llvm/GlobalVariable.h"
#include "llvm/IntrinsicInst.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Support/GetElementPtrTypeIterator.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Target/TargetData.h"
#include <cstring>
using namespace llvm;
@ -929,7 +928,6 @@ Value *llvm::FindInsertedValue(Value *V, const unsigned *idx_begin,
return FindInsertedValue(I->getAggregateOperand(), Idxs.begin(), Idxs.end(),
InsertBefore);
}
// Otherwise, we don't know (such as, extracting from a function return value
// or load instruction)
return 0;
@ -938,86 +936,55 @@ Value *llvm::FindInsertedValue(Value *V, const unsigned *idx_begin,
/// GetConstantStringInfo - This function computes the length of a
/// null-terminated C string pointed to by V. If successful, it returns true
/// and returns the string in Str. If unsuccessful, it returns false.
const char *llvm::GetConstantStringInfo(Value *V, uint64_t Offset,
bool StopAtNul) {
static DenseMap<Value*, std::string> StringInfoMap;
static DenseMap<Value*, bool> NulMap;
// If we've already determined that the Value is NUL, then return 0.
if (NulMap[V])
return 0;
// Check to see if we've already calculated the string info.
if (StringInfoMap.find(V) != StringInfoMap.end())
return StringInfoMap.lookup(V).c_str();
// If V is NULL then return nul.
if (V == 0) {
NulMap[V] = true;
return 0;
}
std::string *Str = &StringInfoMap.FindAndConstruct(V).second;
Str->clear();
bool llvm::GetConstantStringInfo(Value *V, std::string &Str, uint64_t Offset,
bool StopAtNul) {
// If V is NULL then return false;
if (V == NULL) return false;
// Look through bitcast instructions.
if (BitCastInst *BCI = dyn_cast<BitCastInst>(V))
return GetConstantStringInfo(BCI->getOperand(0), Offset, StopAtNul);
return GetConstantStringInfo(BCI->getOperand(0), Str, Offset, StopAtNul);
// If the value is not a GEP instruction nor a constant expression with a
// GEP instruction, then return false because ConstantArray can't occur
// any other way
User *GEP = 0;
if (GetElementPtrInst *GEPI = dyn_cast<GetElementPtrInst>(V)) {
GEP = GEPI;
} else if (ConstantExpr *CE = dyn_cast<ConstantExpr>(V)) {
if (CE->getOpcode() == Instruction::BitCast)
return GetConstantStringInfo(CE->getOperand(0), Offset, StopAtNul);
if (CE->getOpcode() != Instruction::GetElementPtr) {
NulMap[V] = true;
return 0;
}
return GetConstantStringInfo(CE->getOperand(0), Str, Offset, StopAtNul);
if (CE->getOpcode() != Instruction::GetElementPtr)
return false;
GEP = CE;
}
if (GEP) {
// Make sure the GEP has exactly three arguments.
if (GEP->getNumOperands() != 3) {
NulMap[V] = true;
return 0;
}
if (GEP->getNumOperands() != 3)
return false;
// Make sure the index-ee is a pointer to array of i8.
const PointerType *PT = cast<PointerType>(GEP->getOperand(0)->getType());
const ArrayType *AT = dyn_cast<ArrayType>(PT->getElementType());
if (AT == 0 || AT->getElementType() != Type::Int8Ty) {
NulMap[V] = true;
return 0;
}
if (AT == 0 || AT->getElementType() != Type::Int8Ty)
return false;
// Check to make sure that the first operand of the GEP is an integer and
// has value 0 so that we are sure we're indexing into the initializer.
ConstantInt *FirstIdx = dyn_cast<ConstantInt>(GEP->getOperand(1));
if (FirstIdx == 0 || !FirstIdx->isZero()) {
NulMap[V] = true;
return 0;
}
if (FirstIdx == 0 || !FirstIdx->isZero())
return false;
// If the second index isn't a ConstantInt, then this is a variable index
// into the array. If this occurs, we can't say anything meaningful about
// the string.
uint64_t StartIdx = 0;
if (ConstantInt *CI = dyn_cast<ConstantInt>(GEP->getOperand(2))) {
if (ConstantInt *CI = dyn_cast<ConstantInt>(GEP->getOperand(2)))
StartIdx = CI->getZExtValue();
} else {
NulMap[V] = true;
return 0;
}
return GetConstantStringInfo(GEP->getOperand(0), StartIdx + Offset,
else
return false;
return GetConstantStringInfo(GEP->getOperand(0), Str, StartIdx+Offset,
StopAtNul);
}
@ -1025,53 +992,42 @@ const char *llvm::GetConstantStringInfo(Value *V, uint64_t Offset,
// variable that is a constant and is initialized. The referenced constant
// initializer is the array that we'll use for optimization.
GlobalVariable* GV = dyn_cast<GlobalVariable>(V);
if (!GV || !GV->isConstant() || !GV->hasInitializer()) {
NulMap[V] = true;
return 0;
}
if (!GV || !GV->isConstant() || !GV->hasInitializer())
return false;
Constant *GlobalInit = GV->getInitializer();
// Handle the ConstantAggregateZero case
if (isa<ConstantAggregateZero>(GlobalInit))
if (isa<ConstantAggregateZero>(GlobalInit)) {
// This is a degenerate case. The initializer is constant zero so the
// length of the string must be zero.
return "";
Str.clear();
return true;
}
// Must be a Constant Array
ConstantArray *Array = dyn_cast<ConstantArray>(GlobalInit);
if (Array == 0 || Array->getType()->getElementType() != Type::Int8Ty) {
NulMap[V] = true;
return 0;
}
if (Array == 0 || Array->getType()->getElementType() != Type::Int8Ty)
return false;
// Get the number of elements in the array
uint64_t NumElts = Array->getType()->getNumElements();
if (Offset > NumElts) {
NulMap[V] = true;
return 0;
}
if (Offset > NumElts)
return false;
// Traverse the constant array from 'Offset' which is the place the GEP refers
// to in the array.
Str->reserve(NumElts - Offset);
Str.reserve(NumElts-Offset);
for (unsigned i = Offset; i != NumElts; ++i) {
Constant *Elt = Array->getOperand(i);
ConstantInt *CI = dyn_cast<ConstantInt>(Elt);
if (!CI) { // This array isn't suitable, non-int initializer.
StringInfoMap.erase(V);
NulMap[V] = true;
return 0;
}
if (!CI) // This array isn't suitable, non-int initializer.
return false;
if (StopAtNul && CI->isZero())
return Str->c_str(); // we found end of string, success!
Str->operator+=((char)CI->getZExtValue());
return true; // we found end of string, success!
Str += (char)CI->getZExtValue();
}
// The array isn't null terminated, but maybe this is a memcpy, not a strcpy.
return Str->c_str();
return true;
}

65
lib/CodeGen/AsmPrinter/DwarfWriter.cpp
View File

@ -1619,12 +1619,14 @@ private:
/// ConstructTypeDIE - Construct basic type die from DIBasicType.
void ConstructTypeDIE(CompileUnit *DW_Unit, DIE &Buffer,
DIBasicType BTy) {
// Get core information.
const char *Name = BTy.getName();
std::string Name;
BTy.getName(Name);
Buffer.setTag(DW_TAG_base_type);
AddUInt(&Buffer, DW_AT_encoding, DW_FORM_data1, BTy.getEncoding());
// Add name if not anonymous or intermediate type.
if (Name)
if (!Name.empty())
AddString(&Buffer, DW_AT_name, DW_FORM_string, Name);
uint64_t Size = BTy.getSizeInBits() >> 3;
AddUInt(&Buffer, DW_AT_byte_size, 0, Size);
@ -1633,8 +1635,10 @@ private:
/// ConstructTypeDIE - Construct derived type die from DIDerivedType.
void ConstructTypeDIE(CompileUnit *DW_Unit, DIE &Buffer,
DIDerivedType DTy) {
// Get core information.
const char *Name = DTy.getName();
std::string Name;
DTy.getName(Name);
uint64_t Size = DTy.getSizeInBits() >> 3;
unsigned Tag = DTy.getTag();
@ -1648,7 +1652,7 @@ private:
AddType(DW_Unit, &Buffer, FromTy);
// Add name if not anonymous or intermediate type.
if (Name)
if (!Name.empty())
AddString(&Buffer, DW_AT_name, DW_FORM_string, Name);
// Add size if non-zero (derived types might be zero-sized.)
@ -1665,7 +1669,8 @@ private:
void ConstructTypeDIE(CompileUnit *DW_Unit, DIE &Buffer,
DICompositeType CTy) {
// Get core information.
const char *Name = CTy.getName();
std::string Name;
CTy.getName(Name);
uint64_t Size = CTy.getSizeInBits() >> 3;
unsigned Tag = CTy.getTag();
@ -1741,7 +1746,7 @@ private:
}
// Add name if not anonymous or intermediate type.
if (Name)
if (!Name.empty())
AddString(&Buffer, DW_AT_name, DW_FORM_string, Name);
if (Tag == DW_TAG_enumeration_type || Tag == DW_TAG_structure_type
@ -1806,7 +1811,8 @@ private:
DIE *ConstructEnumTypeDIE(CompileUnit *DW_Unit, DIEnumerator *ETy) {
DIE *Enumerator = new DIE(DW_TAG_enumerator);
const char *Name = ETy->getName();
std::string Name;
ETy->getName(Name);
AddString(Enumerator, DW_AT_name, DW_FORM_string, Name);
int64_t Value = ETy->getEnumValue();
AddSInt(Enumerator, DW_AT_const_value, DW_FORM_sdata, Value);
@ -1817,10 +1823,12 @@ private:
DIE *CreateGlobalVariableDIE(CompileUnit *DW_Unit, const DIGlobalVariable &GV)
{
DIE *GVDie = new DIE(DW_TAG_variable);
const char *Name = GV.getDisplayName();
std::string Name;
GV.getDisplayName(Name);
AddString(GVDie, DW_AT_name, DW_FORM_string, Name);
const char *LinkageName = GV.getLinkageName();
if (LinkageName)
std::string LinkageName;
GV.getLinkageName(LinkageName);
if (!LinkageName.empty())
AddString(GVDie, DW_AT_MIPS_linkage_name, DW_FORM_string, LinkageName);
AddType(DW_Unit, GVDie, GV.getType());
if (!GV.isLocalToUnit())
@ -1832,8 +1840,9 @@ private:
/// CreateMemberDIE - Create new member DIE.
DIE *CreateMemberDIE(CompileUnit *DW_Unit, const DIDerivedType &DT) {
DIE *MemberDie = new DIE(DT.getTag());
const char *Name = DT.getName();
if (Name)
std::string Name;
DT.getName(Name);
if (!Name.empty())
AddString(MemberDie, DW_AT_name, DW_FORM_string, Name);
AddType(DW_Unit, MemberDie, DT.getTypeDerivedFrom());
@ -1876,10 +1885,12 @@ private:
const DISubprogram &SP,
bool IsConstructor = false) {
DIE *SPDie = new DIE(DW_TAG_subprogram);
const char *Name = SP.getName();
std::string Name;
SP.getName(Name);
AddString(SPDie, DW_AT_name, DW_FORM_string, Name);
const char *LinkageName = SP.getLinkageName();
if (LinkageName)
std::string LinkageName;
SP.getLinkageName(LinkageName);
if (!LinkageName.empty())
AddString(SPDie, DW_AT_MIPS_linkage_name, DW_FORM_string,
LinkageName);
AddSourceLine(SPDie, &SP);
@ -1945,7 +1956,8 @@ private:
// Define variable debug information entry.
DIE *VariableDie = new DIE(Tag);
const char *Name = VD.getName();
std::string Name;
VD.getName(Name);
AddString(VariableDie, DW_AT_name, DW_FORM_string, Name);
// Add source line info if available.
@ -2807,23 +2819,24 @@ private:
void ConstructCompileUnit(GlobalVariable *GV) {
DICompileUnit DIUnit(GV);
const char *Dir = DIUnit.getDirectory();
const char *FN = DIUnit.getFilename();
unsigned ID = GetOrCreateSourceID(Dir, FN);
std::string Dir, FN, Prod;
unsigned ID = GetOrCreateSourceID(DIUnit.getDirectory(Dir),
DIUnit.getFilename(FN));
DIE *Die = new DIE(DW_TAG_compile_unit);
AddSectionOffset(Die, DW_AT_stmt_list, DW_FORM_data4,
DWLabel("section_line", 0), DWLabel("section_line", 0),
false);
AddString(Die, DW_AT_producer, DW_FORM_string, DIUnit.getProducer());
AddString(Die, DW_AT_producer, DW_FORM_string, DIUnit.getProducer(Prod));
AddUInt(Die, DW_AT_language, DW_FORM_data1, DIUnit.getLanguage());
AddString(Die, DW_AT_name, DW_FORM_string, FN);
if (Dir)
if (!Dir.empty())
AddString(Die, DW_AT_comp_dir, DW_FORM_string, Dir);
if (DIUnit.isOptimized())
AddUInt(Die, DW_AT_APPLE_optimized, DW_FORM_flag, 1);
const char *Flags = DIUnit.getFlags();
if (Flags)
std::string Flags;
DIUnit.getFlags(Flags);
if (!Flags.empty())
AddString(Die, DW_AT_APPLE_flags, DW_FORM_string, Flags);
unsigned RVer = DIUnit.getRunTimeVersion();
if (RVer)
@ -2882,7 +2895,8 @@ private:
// Add to context owner.
DW_Unit->getDie()->AddChild(VariableDie);
// Expose as global. FIXME - need to check external flag.
DW_Unit->AddGlobal(DI_GV.getName(), VariableDie);
std::string Name;
DW_Unit->AddGlobal(DI_GV.getName(Name), VariableDie);
return true;
}
@ -2934,7 +2948,8 @@ private:
// Add to context owner.
Unit->getDie()->AddChild(SubprogramDie);
// Expose as global.
Unit->AddGlobal(SP.getName(), SubprogramDie);
std::string Name;
Unit->AddGlobal(SP.getName(Name), SubprogramDie);
return true;
}

10
lib/CodeGen/SelectionDAG/FastISel.cpp
View File

@ -319,8 +319,9 @@ bool FastISel::SelectCall(User *I) {
DbgStopPointInst *SPI = cast<DbgStopPointInst>(I);
if (DW && DW->ValidDebugInfo(SPI->getContext())) {
DICompileUnit CU(cast<GlobalVariable>(SPI->getContext()));
unsigned SrcFile = DW->getOrCreateSourceID(CU.getDirectory(),
CU.getFilename());
std::string Dir, FN;
unsigned SrcFile = DW->getOrCreateSourceID(CU.getDirectory(Dir),
CU.getFilename(FN));
unsigned Line = SPI->getLine();
unsigned Col = SPI->getColumn();
unsigned ID = DW->RecordSourceLine(Line, Col, SrcFile);
@ -361,8 +362,9 @@ bool FastISel::SelectCall(User *I) {
// (most?) gdb expects.
DISubprogram Subprogram(cast<GlobalVariable>(SP));
DICompileUnit CompileUnit = Subprogram.getCompileUnit();
unsigned SrcFile = DW->getOrCreateSourceID(CompileUnit.getDirectory(),
CompileUnit.getFilename());
std::string Dir, FN;
unsigned SrcFile = DW->getOrCreateSourceID(CompileUnit.getDirectory(Dir),
CompileUnit.getFilename(FN));
// Record the source line but does not create a label for the normal
// function start. It will be emitted at asm emission time. However,

5
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
View File

@ -1287,8 +1287,9 @@ SDValue SelectionDAGLegalize::LegalizeOp(SDValue Op) {
GlobalVariable *CU_GV = cast<GlobalVariable>(DSP->getCompileUnit());
if (DW && (useDEBUG_LOC || useLABEL) && !CU_GV->isDeclaration()) {
DICompileUnit CU(cast<GlobalVariable>(DSP->getCompileUnit()));
unsigned SrcFile = DW->getOrCreateSourceID(CU.getDirectory(),
CU.getFilename());
std::string Dir, FN;
unsigned SrcFile = DW->getOrCreateSourceID(CU.getDirectory(Dir),
CU.getFilename(FN));
unsigned Line = DSP->getLine();
unsigned Col = DSP->getColumn();

7
lib/CodeGen/SelectionDAG/SelectionDAG.cpp
View File

@ -2931,11 +2931,8 @@ static bool isMemSrcFromString(SDValue Src, std::string &Str) {
return false;
GlobalVariable *GV = dyn_cast<GlobalVariable>(G->getGlobal());
if (GV) {
const char *SI = GetConstantStringInfo(GV, SrcDelta, false);
Str = (SI ? SI : "");
if (!Str.empty()) return true;
}
if (GV && GetConstantStringInfo(GV, Str, SrcDelta, false))
return true;
return false;
}

20
lib/CodeGen/SelectionDAG/SelectionDAGBuild.cpp
View File

@ -335,8 +335,9 @@ void FunctionLoweringInfo::set(Function &fn, MachineFunction &mf,
if (DW && DW->ValidDebugInfo(SPI->getContext())) {
DICompileUnit CU(cast<GlobalVariable>(SPI->getContext()));
unsigned SrcFile = DW->getOrCreateSourceID(CU.getDirectory(),
CU.getFilename());
std::string Dir, FN;
unsigned SrcFile = DW->getOrCreateSourceID(CU.getDirectory(Dir),
CU.getFilename(FN));
unsigned idx = MF->getOrCreateDebugLocID(SrcFile,
SPI->getLine(),
SPI->getColumn());
@ -354,8 +355,9 @@ void FunctionLoweringInfo::set(Function &fn, MachineFunction &mf,
if (DW->ValidDebugInfo(SP)) {
DISubprogram Subprogram(cast<GlobalVariable>(SP));
DICompileUnit CU(Subprogram.getCompileUnit());
unsigned SrcFile = DW->getOrCreateSourceID(CU.getDirectory(),
CU.getFilename());
std::string Dir, FN;
unsigned SrcFile = DW->getOrCreateSourceID(CU.getDirectory(Dir),
CU.getFilename(FN));
unsigned Line = Subprogram.getLineNumber();
DL = DebugLoc::get(MF->getOrCreateDebugLocID(SrcFile, Line, 0));
}
@ -3902,8 +3904,9 @@ SelectionDAGLowering::visitIntrinsicCall(CallInst &I, unsigned Intrinsic) {
SPI.getColumn(),
SPI.getContext()));
DICompileUnit CU(cast<GlobalVariable>(SPI.getContext()));
unsigned SrcFile = DW->getOrCreateSourceID(CU.getDirectory(),
CU.getFilename());
std::string Dir, FN;
unsigned SrcFile = DW->getOrCreateSourceID(CU.getDirectory(Dir),
CU.getFilename(FN));
unsigned idx = MF.getOrCreateDebugLocID(SrcFile,
SPI.getLine(), SPI.getColumn());
setCurDebugLoc(DebugLoc::get(idx));
@ -3947,8 +3950,9 @@ SelectionDAGLowering::visitIntrinsicCall(CallInst &I, unsigned Intrinsic) {
MachineFunction &MF = DAG.getMachineFunction();
DISubprogram Subprogram(cast<GlobalVariable>(SP));
DICompileUnit CompileUnit = Subprogram.getCompileUnit();
unsigned SrcFile = DW->getOrCreateSourceID(CompileUnit.getDirectory(),
CompileUnit.getFilename());
std::string Dir, FN;
unsigned SrcFile = DW->getOrCreateSourceID(CompileUnit.getDirectory(Dir),
CompileUnit.getFilename(FN));
// Record the source line but does not create a label for the normal
// function start. It will be emitted at asm emission time. However,

4
lib/CodeGen/SelectionDAG/SelectionDAGPrinter.cpp
View File

@ -179,8 +179,8 @@ std::string DOTGraphTraits<SelectionDAG*>::getNodeLabel(const SDNode *Node,
}
} else if (const DbgStopPointSDNode *D = dyn_cast<DbgStopPointSDNode>(Node)) {
DICompileUnit CU(cast<GlobalVariable>(D->getCompileUnit()));
const char *FN = CU.getFilename();
Op += ": " + std::string(FN ? FN : "");
std::string FN;
Op += ": " + CU.getFilename(FN);
Op += ":" + utostr(D->getLine());
if (D->getColumn() != 0)
Op += ":" + utostr(D->getColumn());

12
lib/Debugger/ProgramInfo.cpp
View File

@ -117,10 +117,10 @@ SourceFileInfo::SourceFileInfo(const GlobalVariable *Desc,
if (ConstantInt *CUI = dyn_cast<ConstantInt>(CS->getOperand(1)))
Version = CUI->getZExtValue();
const char *SI = GetConstantStringInfo(CS->getOperand(3));
BaseName = (SI ? SI : "");
SI = GetConstantStringInfo(CS->getOperand(4));
Directory = (SI ? SI : "");
if (!GetConstantStringInfo(CS->getOperand(3), BaseName))
BaseName = "";
if (!GetConstantStringInfo(CS->getOperand(4), Directory))
Directory = "";
}
}
@ -160,8 +160,8 @@ SourceFunctionInfo::SourceFunctionInfo(ProgramInfo &PI,
SourceFile = &PI.getSourceFile(GV);
// Entry #2 is the function name.
const char *SI = GetConstantStringInfo(CS->getOperand(2));
Name = (SI ? SI : "");
if (!GetConstantStringInfo(CS->getOperand(2), Name))
Name = "";
}
}

7
lib/Transforms/Scalar/InstructionCombining.cpp
View File

@ -11043,12 +11043,11 @@ static Instruction *InstCombineLoadCast(InstCombiner &IC, LoadInst &LI,
if (ConstantExpr *CE = dyn_cast<ConstantExpr>(CI)) {
// Instead of loading constant c string, use corresponding integer value
// directly if string length is small enough.
const char *Str = GetConstantStringInfo(CE->getOperand(0));
if (Str) {
unsigned len = strlen(Str);
std::string Str;
if (GetConstantStringInfo(CE->getOperand(0), Str) && !Str.empty()) {
unsigned len = Str.length();
const Type *Ty = cast<PointerType>(CE->getType())->getElementType();
unsigned numBits = Ty->getPrimitiveSizeInBits();
// Replace LI with immediate integer store.
if ((numBits >> 3) == len + 1) {
APInt StrVal(numBits, 0);

58
lib/Transforms/Scalar/SimplifyLibCalls.cpp
View File

@ -551,10 +551,9 @@ struct VISIBILITY_HIDDEN StrChrOpt : public LibCallOptimization {
// Otherwise, the character is a constant, see if the first argument is
// a string literal. If so, we can constant fold.
const char *SI = GetConstantStringInfo(SrcStr);
if (!SI)
std::string Str;
if (!GetConstantStringInfo(SrcStr, Str))
return 0;
std::string Str = SI;
// strchr can find the nul character.
Str += '\0';
@ -593,28 +592,27 @@ struct VISIBILITY_HIDDEN StrCmpOpt : public LibCallOptimization {
if (Str1P == Str2P) // strcmp(x,x) -> 0
return ConstantInt::get(CI->getType(), 0);
const char *Str1 = GetConstantStringInfo(Str1P);
const char *Str2 = GetConstantStringInfo(Str1P);
if (Str1) // strcmp("", x) -> *x
std::string Str1, Str2;
bool HasStr1 = GetConstantStringInfo(Str1P, Str1);
bool HasStr2 = GetConstantStringInfo(Str2P, Str2);
if (HasStr1 && Str1.empty()) // strcmp("", x) -> *x
return B.CreateZExt(B.CreateLoad(Str2P, "strcmpload"), CI->getType());
if (Str2) // strcmp(x,"") -> *x
if (HasStr2 && Str2.empty()) // strcmp(x,"") -> *x
return B.CreateZExt(B.CreateLoad(Str1P, "strcmpload"), CI->getType());
// strcmp(x, y) -> cnst (if both x and y are constant strings)
if (Str1 && Str2)
return ConstantInt::get(CI->getType(), strcmp(Str1, Str2));
if (HasStr1 && HasStr2)
return ConstantInt::get(CI->getType(), strcmp(Str1.c_str(),Str2.c_str()));
// strcmp(P, "x") -> memcmp(P, "x", 2)
uint64_t Len1 = GetStringLength(Str1P);
uint64_t Len2 = GetStringLength(Str2P);
if (Len1 || Len2) {
// Choose the smallest Len excluding 0 which means 'unknown'.
if (!Len1 || (Len2 && Len2 < Len1))
Len1 = Len2;
return EmitMemCmp(Str1P, Str2P,
ConstantInt::get(TD->getIntPtrType(), Len1), B);
}
@ -649,21 +647,21 @@ struct VISIBILITY_HIDDEN StrNCmpOpt : public LibCallOptimization {
if (Length == 0) // strncmp(x,y,0) -> 0
return ConstantInt::get(CI->getType(), 0);
const char *Str1 = GetConstantStringInfo(Str1P);
const char *Str2 = GetConstantStringInfo(Str2P);
if (Str1) // strncmp("", x, n) -> *x
std::string Str1, Str2;
bool HasStr1 = GetConstantStringInfo(Str1P, Str1);
bool HasStr2 = GetConstantStringInfo(Str2P, Str2);
if (HasStr1 && Str1.empty()) // strncmp("", x, n) -> *x
return B.CreateZExt(B.CreateLoad(Str2P, "strcmpload"), CI->getType());
if (Str2) // strncmp(x, "", n) -> *x
if (HasStr2 && Str2.empty()) // strncmp(x, "", n) -> *x
return B.CreateZExt(B.CreateLoad(Str1P, "strcmpload"), CI->getType());
// strncmp(x, y) -> cnst (if both x and y are constant strings)
if (Str1 && Str2)
if (HasStr1 && HasStr2)
return ConstantInt::get(CI->getType(),
strncmp(Str1, Str2, Length));
strncmp(Str1.c_str(), Str2.c_str(), Length));
return 0;
}
};
@ -1118,9 +1116,9 @@ struct VISIBILITY_HIDDEN PrintFOpt : public LibCallOptimization {
return 0;
// Check for a fixed format string.
const char *FormatCStr = GetConstantStringInfo(CI->getOperand(1));
if (!FormatCStr) return 0;
std::string FormatStr = FormatCStr;
std::string FormatStr;
if (!GetConstantStringInfo(CI->getOperand(1), FormatStr))
return 0;
// Empty format string -> noop.
if (FormatStr.empty()) // Tolerate printf's declared void.
@ -1178,9 +1176,9 @@ struct VISIBILITY_HIDDEN SPrintFOpt : public LibCallOptimization {
return 0;
// Check for a fixed format string.
const char *FormatCStr = GetConstantStringInfo(CI->getOperand(2));
if (!FormatCStr) return 0;
std::string FormatStr = FormatCStr;
std::string FormatStr;
if (!GetConstantStringInfo(CI->getOperand(2), FormatStr))
return 0;
// If we just have a format string (nothing else crazy) transform it.
if (CI->getNumOperands() == 3) {
@ -1299,9 +1297,9 @@ struct VISIBILITY_HIDDEN FPrintFOpt : public LibCallOptimization {
return 0;
// All the optimizations depend on the format string.
const char *FormatCStr = GetConstantStringInfo(CI->getOperand(2));
if (!FormatCStr) return 0;
std::string FormatStr = FormatCStr;
std::string FormatStr;
if (!GetConstantStringInfo(CI->getOperand(2), FormatStr))
return 0;
// fprintf(F, "foo") --> fwrite("foo", 3, 1, F)
if (CI->getNumOperands() == 3) {