/// constant subsystem, which can be used in environments where this memory
/// is otherwise reported as a leak.
static void clearAllValueMaps();
+
+ /// getStringValue - Turn an LLVM constant pointer that eventually points to a
+ /// global into a string value. Return an empty string if we can't do it.
+ ///
+ std::string getStringValue(unsigned Offset = 0);
};
} // End llvm namespace
/// NewType - Create a new type DIE.
///
DIE *DwarfWriter::NewType(DIE *Context, TypeDesc *TyDesc) {
- // FIXME - hack to get around NULL types short term.
if (!TyDesc) return NewBasicType(Context, Type::IntTy);
// FIXME - Should handle other contexts that compile units.
return Result;
}
-/// getStringValue - Turn an LLVM constant pointer that eventually points to a
-/// global into a string value. Return an empty string if we can't do it.
-///
-static const std::string getStringValue(Value *V, unsigned Offset = 0) {
- if (GlobalVariable *GV = dyn_cast<GlobalVariable>(V)) {
- if (GV->hasInitializer() && isa<ConstantArray>(GV->getInitializer())) {
- ConstantArray *Init = cast<ConstantArray>(GV->getInitializer());
- if (Init->isString()) {
- std::string Result = Init->getAsString();
- if (Offset < Result.size()) {
- // If we are pointing INTO The string, erase the beginning...
- Result.erase(Result.begin(), Result.begin()+Offset);
-
- // Take off the null terminator, and any string fragments after it.
- std::string::size_type NullPos = Result.find_first_of((char)0);
- if (NullPos != std::string::npos)
- Result.erase(Result.begin()+NullPos, Result.end());
- return Result;
- }
- }
- }
- } else if (Constant *C = dyn_cast<Constant>(V)) {
- if (GlobalValue *GV = dyn_cast<GlobalValue>(C))
- return getStringValue(GV, Offset);
- else if (ConstantExpr *CE = dyn_cast<ConstantExpr>(C)) {
- if (CE->getOpcode() == Instruction::GetElementPtr) {
- // Turn a gep into the specified offset.
- if (CE->getNumOperands() == 3 &&
- cast<Constant>(CE->getOperand(1))->isNullValue() &&
- isa<ConstantInt>(CE->getOperand(2))) {
- return getStringValue(CE->getOperand(0),
- Offset+cast<ConstantInt>(CE->getOperand(2))->getRawValue());
- }
- }
- }
- }
- return "";
-}
-
/// isStringValue - Return true if the given value can be coerced to a string.
///
static bool isStringValue(Value *V) {
}
virtual void Apply(std::string &Field) {
Constant *C = CI->getOperand(I++);
- Field = getStringValue(C);
+ Field = C->getStringValue();
}
virtual void Apply(DebugInfoDesc *&Field) {
Constant *C = CI->getOperand(I++);
/// getDescString - Return a string used to compose global names and labels. A
/// A global variable name needs to be defined for each debug descriptor that is
-/// anchored. NOTE: that each global variable name here also needs to be added
+/// anchored. NOTE: that each global variable named here also needs to be added
/// to the list of names left external in the internalizer.
/// ExternalNames.insert("llvm.dbg.compile_units");
/// ExternalNames.insert("llvm.dbg.global_variables");
CurMBB->getParent()->getFrameInfo()->CreateVariableSizedObject();
}
-/// getStringValue - Turn an LLVM constant pointer that eventually points to a
-/// global into a string value. Return an empty string if we can't do it.
-///
-static std::string getStringValue(GlobalVariable *GV, unsigned Offset = 0) {
- if (GV->hasInitializer() && isa<ConstantArray>(GV->getInitializer())) {
- ConstantArray *Init = cast<ConstantArray>(GV->getInitializer());
- if (Init->isString()) {
- std::string Result = Init->getAsString();
- if (Offset < Result.size()) {
- // If we are pointing INTO The string, erase the beginning...
- Result.erase(Result.begin(), Result.begin()+Offset);
- return Result;
- }
- }
- }
- return "";
-}
-
void SelectionDAGLowering::visitLoad(LoadInst &I) {
SDOperand Ptr = getValue(I.getOperand(0));
if (G) {
GlobalVariable *GV = dyn_cast<GlobalVariable>(G->getGlobal());
if (GV) {
- Str = getStringValue(GV);
+ Str = GV->getStringValue();
if (!Str.empty()) {
CopyFromStr = true;
SrcOff += SrcDelta;
}
}
-/// getStringValue - Turn an LLVM constant pointer that eventually points to a
-/// global into a string value. Return an empty string if we can't do it.
-///
-static std::string getStringValue(Value *V, unsigned Offset = 0) {
- if (GlobalVariable *GV = dyn_cast<GlobalVariable>(V)) {
- if (GV->hasInitializer() && isa<ConstantArray>(GV->getInitializer())) {
- ConstantArray *Init = cast<ConstantArray>(GV->getInitializer());
- if (Init->isString()) {
- std::string Result = Init->getAsString();
- if (Offset < Result.size()) {
- // If we are pointing INTO The string, erase the beginning...
- Result.erase(Result.begin(), Result.begin()+Offset);
-
- // Take off the null terminator, and any string fragments after it.
- std::string::size_type NullPos = Result.find_first_of((char)0);
- if (NullPos != std::string::npos)
- Result.erase(Result.begin()+NullPos, Result.end());
- return Result;
- }
- }
- }
- } else if (Constant *C = dyn_cast<Constant>(V)) {
- if (GlobalValue *GV = dyn_cast<GlobalValue>(C))
- return getStringValue(GV, Offset);
- else if (ConstantExpr *CE = dyn_cast<ConstantExpr>(C)) {
- if (CE->getOpcode() == Instruction::GetElementPtr) {
- // Turn a gep into the specified offset.
- if (CE->getNumOperands() == 3 &&
- cast<Constant>(CE->getOperand(1))->isNullValue() &&
- isa<ConstantInt>(CE->getOperand(2))) {
- return getStringValue(CE->getOperand(0),
- Offset+cast<ConstantInt>(CE->getOperand(2))->getRawValue());
- }
- }
- }
- }
- return "";
-}
-
/// getNextStopPoint - Follow the def-use chains of the specified LLVM value,
/// traversing the use chains until we get to a stoppoint. When we do, return
/// the source location of the stoppoint. If we don't find a stoppoint, return
if (ConstantUInt *CUI = dyn_cast<ConstantUInt>(CS->getOperand(1)))
Version = CUI->getValue();
- BaseName = getStringValue(CS->getOperand(3));
- Directory = getStringValue(CS->getOperand(4));
+ BaseName = CS->getOperand(3)->getStringValue();
+ Directory = CS->getOperand(4)->getStringValue();
}
}
SourceFile = &PI.getSourceFile(GV);
// Entry #2 is the function name.
- Name = getStringValue(CS->getOperand(2));
+ Name = CS->getOperand(2)->getStringValue();
}
}
(*I)->destroyConstantImpl();
Constants.clear();
}
+
+/// getStringValue - Turn an LLVM constant pointer that eventually points to a
+/// global into a string value. Return an empty string if we can't do it.
+///
+std::string Constant::getStringValue(unsigned Offset) {
+ if (GlobalVariable *GV = dyn_cast<GlobalVariable>(this)) {
+ if (GV->hasInitializer() && isa<ConstantArray>(GV->getInitializer())) {
+ ConstantArray *Init = cast<ConstantArray>(GV->getInitializer());
+ if (Init->isString()) {
+ std::string Result = Init->getAsString();
+ if (Offset < Result.size()) {
+ // If we are pointing INTO The string, erase the beginning...
+ Result.erase(Result.begin(), Result.begin()+Offset);
+
+ // Take off the null terminator, and any string fragments after it.
+ std::string::size_type NullPos = Result.find_first_of((char)0);
+ if (NullPos != std::string::npos)
+ Result.erase(Result.begin()+NullPos, Result.end());
+ return Result;
+ }
+ }
+ }
+ } else if (Constant *C = dyn_cast<Constant>(this)) {
+ if (GlobalValue *GV = dyn_cast<GlobalValue>(C))
+ return GV->getStringValue(Offset);
+ else if (ConstantExpr *CE = dyn_cast<ConstantExpr>(C)) {
+ if (CE->getOpcode() == Instruction::GetElementPtr) {
+ // Turn a gep into the specified offset.
+ if (CE->getNumOperands() == 3 &&
+ cast<Constant>(CE->getOperand(1))->isNullValue() &&
+ isa<ConstantInt>(CE->getOperand(2))) {
+ Offset += cast<ConstantInt>(CE->getOperand(2))->getRawValue();
+ return CE->getOperand(0)->getStringValue(Offset);
+ }
+ }
+ }
+ }
+ return "";
+}
+