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Change some functions to take const pointers.

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llvm-svn: 169812
This commit is contained in:
Rafael Espindola 2012-12-11 03:10:43 +00:00
parent a13f64ff50
commit caab8c1242
2 changed files with 26 additions and 24 deletions
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32
tools/lto/LTOModule.cpp
View File

@ -320,8 +320,9 @@ MemoryBuffer *LTOModule::makeBuffer(const void *mem, size_t length) {
}
/// objcClassNameFromExpression - Get string that the data pointer points to.
bool LTOModule::objcClassNameFromExpression(Constant *c, std::string &name) {
if (ConstantExpr *ce = dyn_cast<ConstantExpr>(c)) {
bool
LTOModule::objcClassNameFromExpression(const Constant *c, std::string &name) {
if (const ConstantExpr *ce = dyn_cast<ConstantExpr>(c)) {
Constant *op = ce->getOperand(0);
if (GlobalVariable *gvn = dyn_cast<GlobalVariable>(op)) {
Constant *cn = gvn->getInitializer();
@ -337,8 +338,8 @@ bool LTOModule::objcClassNameFromExpression(Constant *c, std::string &name) {
}
/// addObjCClass - Parse i386/ppc ObjC class data structure.
void LTOModule::addObjCClass(GlobalVariable *clgv) {
ConstantStruct *c = dyn_cast<ConstantStruct>(clgv->getInitializer());
void LTOModule::addObjCClass(const GlobalVariable *clgv) {
const ConstantStruct *c = dyn_cast<ConstantStruct>(clgv->getInitializer());
if (!c) return;
// second slot in __OBJC,__class is pointer to superclass name
@ -374,8 +375,8 @@ void LTOModule::addObjCClass(GlobalVariable *clgv) {
}
/// addObjCCategory - Parse i386/ppc ObjC category data structure.
void LTOModule::addObjCCategory(GlobalVariable *clgv) {
ConstantStruct *c = dyn_cast<ConstantStruct>(clgv->getInitializer());
void LTOModule::addObjCCategory(const GlobalVariable *clgv) {
const ConstantStruct *c = dyn_cast<ConstantStruct>(clgv->getInitializer());
if (!c) return;
// second slot in __OBJC,__category is pointer to target class name
@ -399,7 +400,7 @@ void LTOModule::addObjCCategory(GlobalVariable *clgv) {
}
/// addObjCClassRef - Parse i386/ppc ObjC class list data structure.
void LTOModule::addObjCClassRef(GlobalVariable *clgv) {
void LTOModule::addObjCClassRef(const GlobalVariable *clgv) {
std::string targetclassName;
if (!objcClassNameFromExpression(clgv->getInitializer(), targetclassName))
return;
@ -419,7 +420,7 @@ void LTOModule::addObjCClassRef(GlobalVariable *clgv) {
}
/// addDefinedDataSymbol - Add a data symbol as defined to the list.
void LTOModule::addDefinedDataSymbol(GlobalValue *v) {
void LTOModule::addDefinedDataSymbol(const GlobalValue *v) {
// Add to list of defined symbols.
addDefinedSymbol(v, false);
@ -448,34 +449,34 @@ void LTOModule::addDefinedDataSymbol(GlobalValue *v) {
// special case if this data blob is an ObjC class definition
if (v->getSection().compare(0, 15, "__OBJC,__class,") == 0) {
if (GlobalVariable *gv = dyn_cast<GlobalVariable>(v)) {
if (const GlobalVariable *gv = dyn_cast<GlobalVariable>(v)) {
addObjCClass(gv);
}
}
// special case if this data blob is an ObjC category definition
else if (v->getSection().compare(0, 18, "__OBJC,__category,") == 0) {
if (GlobalVariable *gv = dyn_cast<GlobalVariable>(v)) {
if (const GlobalVariable *gv = dyn_cast<GlobalVariable>(v)) {
addObjCCategory(gv);
}
}
// special case if this data blob is the list of referenced classes
else if (v->getSection().compare(0, 18, "__OBJC,__cls_refs,") == 0) {
if (GlobalVariable *gv = dyn_cast<GlobalVariable>(v)) {
if (const GlobalVariable *gv = dyn_cast<GlobalVariable>(v)) {
addObjCClassRef(gv);
}
}
}
/// addDefinedFunctionSymbol - Add a function symbol as defined to the list.
void LTOModule::addDefinedFunctionSymbol(Function *f) {
void LTOModule::addDefinedFunctionSymbol(const Function *f) {
// add to list of defined symbols
addDefinedSymbol(f, true);
}
/// addDefinedSymbol - Add a defined symbol to the list.
void LTOModule::addDefinedSymbol(GlobalValue *def, bool isFunction) {
void LTOModule::addDefinedSymbol(const GlobalValue *def, bool isFunction) {
// ignore all llvm.* symbols
if (def->getName().startswith("llvm."))
return;
@ -492,7 +493,7 @@ void LTOModule::addDefinedSymbol(GlobalValue *def, bool isFunction) {
if (isFunction) {
attr |= LTO_SYMBOL_PERMISSIONS_CODE;
} else {
GlobalVariable *gv = dyn_cast<GlobalVariable>(def);
const GlobalVariable *gv = dyn_cast<GlobalVariable>(def);
if (gv && gv->isConstant())
attr |= LTO_SYMBOL_PERMISSIONS_RODATA;
else
@ -607,7 +608,8 @@ void LTOModule::addAsmGlobalSymbolUndef(const char *name) {
/// addPotentialUndefinedSymbol - Add a symbol which isn't defined just yet to a
/// list to be resolved later.
void LTOModule::addPotentialUndefinedSymbol(GlobalValue *decl, bool isFunc) {
void
LTOModule::addPotentialUndefinedSymbol(const GlobalValue *decl, bool isFunc) {
// ignore all llvm.* symbols
if (decl->getName().startswith("llvm."))
return;

18
tools/lto/LTOModule.h
View File

@ -44,7 +44,7 @@ private:
const char *name;
uint32_t attributes;
bool isFunction;
llvm::GlobalValue *symbol;
const llvm::GlobalValue *symbol;
};
llvm::OwningPtr<llvm::Module> _module;
@ -138,16 +138,16 @@ private:
/// addPotentialUndefinedSymbol - Add a symbol which isn't defined just yet
/// to a list to be resolved later.
void addPotentialUndefinedSymbol(llvm::GlobalValue *dcl, bool isFunc);
void addPotentialUndefinedSymbol(const llvm::GlobalValue *dcl, bool isFunc);
/// addDefinedSymbol - Add a defined symbol to the list.
void addDefinedSymbol(llvm::GlobalValue *def, bool isFunction);
void addDefinedSymbol(const llvm::GlobalValue *def, bool isFunction);
/// addDefinedFunctionSymbol - Add a function symbol as defined to the list.
void addDefinedFunctionSymbol(llvm::Function *f);
void addDefinedFunctionSymbol(const llvm::Function *f);
/// addDefinedDataSymbol - Add a data symbol as defined to the list.
void addDefinedDataSymbol(llvm::GlobalValue *v);
void addDefinedDataSymbol(const llvm::GlobalValue *v);
/// addAsmGlobalSymbols - Add global symbols from module-level ASM to the
/// defined or undefined lists.
@ -162,17 +162,17 @@ private:
void addAsmGlobalSymbolUndef(const char *);
/// addObjCClass - Parse i386/ppc ObjC class data structure.
void addObjCClass(llvm::GlobalVariable *clgv);
void addObjCClass(const llvm::GlobalVariable *clgv);
/// addObjCCategory - Parse i386/ppc ObjC category data structure.
void addObjCCategory(llvm::GlobalVariable *clgv);
void addObjCCategory(const llvm::GlobalVariable *clgv);
/// addObjCClassRef - Parse i386/ppc ObjC class list data structure.
void addObjCClassRef(llvm::GlobalVariable *clgv);
void addObjCClassRef(const llvm::GlobalVariable *clgv);
/// objcClassNameFromExpression - Get string that the data pointer points
/// to.
bool objcClassNameFromExpression(llvm::Constant* c, std::string &name);
bool objcClassNameFromExpression(const llvm::Constant* c, std::string &name);
/// isTargetMatch - Returns 'true' if the memory buffer is for the specified
/// target triple.